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Allemaal risico Werkzaamheid Nieuws

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Hazard - Block (T22-0521) at Curlew D safety zone



During debris recovery, a large block was observed by the ROV. Large block with dimensions of 4.0m x 2.2m x 0.5m found in position 


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Hazard - Boulder (T22-0938) North of Fulmar



During debris recovery, a large boulder was observed by the ROV. Boulder dimension 3.0m x.1.6m x 0.6m.


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Ensco 92 move to North West Bell Well



Chrysaor (a Harbour Energy company) plan to move the Ensco 92 Jack-up drilling rig to the North West Bell field location to perform abandonment operations on the North West Bell 49/22-20Y development well. Throughout well abandonment operations there will be a dedicated ERRV on location monitoring the surrounding sea area.


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Decommissioning - Amethyst A2D



Please be advised that decommissioning activity will be taking place on the Amethyst A2D. Arrival and siting of jack up barge alongside the platform for rendering the platform hydrocarbon free in preparation for the removal of the platform. Earliest Start date 10th July 2022 estimated completion 22nd September 2022.


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Platform Removal Operations - Murdoch



During the 2022 summer season the Murdoch Platform complex shall be removed. The Murdoch complex consists of three bridge linked platforms, as depicted below and is surrounded by a statutory 500m safety exclusion zone. Infield operations shall remain ongoing for a period of ~30 days, commencing in field from ~1st July 2022


Heerema Marine Contractors shall utilise the Heavy Lift Vessel Sleipnir to remove the facilities. Offshore operations
shall be supported by three flat top barges and associated towing vessels. All structures shall be transported to the
disposal yard located at ABLE UK, Teesside.

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Survey - Leverett Field (Ref: 1422)



A 15 Day Site Survey at the Leverett Field using vessel Ocean Reliance call sign: HP6391 between 25th July 2022 - 30th October 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline

Ocean Reliance

HP6391

N/A

25/07/2022 - 30/10/2022

For 15 Days

21

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NUI NavAid Installation - Brent Charlie



Commencing August 2022 - a new NUI (normally unmanned installation) NavAid system will be installed on the Brent Charlie Oil and Gas Installation


Brent Charlie is a manned production platform which served the Brent and Penguins reservoirs. The installation has now entered the Cessation of Production (CoP) phase and is due to down staff in late 2022. From August 2022 a NUI NavAid lighting system will be in operation, through to mid-2023. The specification of the system is as follows:-

 

Two off main white lanterns with a minimum range of 10NM to be mounted in the north-east and south-west corners of the platform. Both lanterns will be synchronised and exhibit flashing a Morse ‘U’ character every 15 seconds. A photocell shall be provided to ensure the lanterns operate within the required period of 15 minutes before sunset to sunrise and whenever visibility is below 2NM. Each lantern shall have a backup in case of failure of the main lantern. The main white lanterns shall have an IALA Category 1 availability factor (99.8%).

 

It is proposed that that the installation and subsequent commissioning of the new NUI NavAid lighting system will commence around the 8th August 2022. Once successful commissioning has been executed, it the existing lighting as detailed in the CtL permit (CL/110/6 V1) will be switched off permanently. This will effectively mean that only the NUI NavAid lighting will be in operation from August 2022 (install date) to the date of topsides lift (mid 2023). Should a fault occur with the new NUI  NavAid lighting system, the existing system will be reenergised until such time as the new NUI NavAid is repaired and is back in service. The current foghorn capability as detailed in CL/110/6 V1 will be retained until down staff in December 2022 (current date). Foghorns will be switched off at down staff (there will be no power generation capability available after down staff).  

 

Further notifications as required by CL/110/7 V2 will be submitted in due course.

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Rig - Valaris Norway



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Well-Safe Guardian



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Transocean Endurance



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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2022 Inspection Campaign - North Sea



Atlantis Dweller (Call Sign C6DX6) will be carrying out Subsea Asset Inspection work both within and between (along pipeline routes) the locations noted below: Start Date = around 8th August 2022. Duration expected to be approx. 40 Days


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Rig - Valaris 120



Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending hundreds of metres outside this zone.


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Elgin-Franklin GWA Surveys



PGS Ramform Atlas (Call Sign C6AX2) will be carrying out Streamer 4D Seismic Survey work between the locations noted below: The Vessel will be towing 15 x 5000m streamers and will have limited manoeuvrability; please keep 3Nm minimum CPA. Seismic Source Volume = 3150cu.in source at 2000 psi operating pressure. Start Date = around 1st August 2022. Duration expected to be approx. 2 months to end-September


PGS Ramform Atlas (Call Sign C6AX2) will be carrying out Streamer 4D Seismic Survey work between the locations noted below:

The Vessel will be towing 15 x 5000m streamers and will have limited manoeuvrability; please keep 3Nm minimum CPA.

Seismic Source Volume = 3150cu.in source at 2000 psi operating pressure.

Start Date = around 1st August 2022.  Duration expected to be approx. 2 months to end-September

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Survey - Teal West Field



Survey activity on the Teal West Field in the UKCS. The MV GeoOcean V will be mobilising to the field to acquire Multibeam bathymetric data, single channel sub-bottom profiler data and 2D high-resolution seismic data (as a single-pass operation).   The vessel is due to arrive in the field 6th July. 


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New Safety Zone: Tolmount East Drill Centre, Tolmount East, Block 42/28d



A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 20th July 2022. Installation NOT Stationed at the time this order is made.


may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release v44

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New Safety Zone: Manifold M12, Foinaven, Block 204/24a



A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 20th July 2022. Installation Stationed at the time this order is made.


This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release v44

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ROV Inspection of Pipelines - Langeled



Remote operated vehicle inspection of pipeline sections on UKCS. Inspection of pipeline sections by Remote Operated Vehicle (ROV) deployed from survey vessel Edda Flora (including camera and multibeam sensor): Edda Flora call sign - LAJW3 from 29th June 2022 until 18th July 2022


Inspection of pipeline sections by Remote Operated Vehicle (ROV) deployed from survey vessel Edda Flora (including camera and multibeam sensor):

 

Edda Flora call sign - LAJW3

  • Martin Linge section - planned for 29th June - *completed*
  • Utsira High section - planned for 29th June - *completed*
  • Vesterled section - planed for 30th June - *completed*
  • Langeled section - planned commencement 7th July
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Well Abandonment - Ettrick E4



COSL Innovator abandoning Ettrick E4


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Mariner Field 4D Seismic Survey



Multi vessel 4D seismic survey of the Mariner Field area: Main survey vessel SW Amazon Warrior (call sign 3FNE9) will be supported by the SW Cook, Mainport Pine and Apollo Moon


4D Seismic survey of Mariner Field area using vessels listed below planned for commencement August 2022:

 

The towed array from the Amazon Warrior (diagram attached) will be up to 525m wide and extend up to 3600m from the stern of the vessel. The guard vessel Apollo Moon will support during the duration of the survey and issue warnings as required.

 

Vessel Name Call Sign IMO Purpose
SW Amazon Warrior 3FNE9 9662394 Main seismic vessel
SW Cook 5BPC2 9488554 Secondary seismic vessel / source vessel for undershooting
Mainport Pine V7ZH8 9659335 Supply vessel
Apollo Moon HP9796 9305829 Guard vessel

 

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Diving Operations in the Beryl Area



DSV Seven Kestrel will be carrying out diving operations in the Beryl Area from 15 July 2022 for 27 days. These operations will be within the Beryl Alpha platform 500m zone and Garten 500m zones.


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Southwark to Thames Pipeline Installation Operations



IOG PLC have installed a 24 -inch diameter gas pipeline in the southern North Sea from the Southwark Gas Field to a tie-in point on the existing Thames pipeline. The trenching vessel is scheduled to bury the pipeline in mid-July. In the meantime the pipeline will remain surface laid.


The trenching Grand Canyon III will be on site from approximately 12th July to trench the pipeline into the seabed.  The operations are expected to take approximately 5 days to complete.

 

Call-sign : LACJ8

MMSI: 257 010 590

Length and Breadth : 128m x 25m

 

The vessel will have an ROV on the seabed which will restrict its ability to manoeuvre.  It is requested that all vessels operating within the area keep a safe distance (500m) and pass at reduced speed.

 

Operations will be conducted on a 24-hour basis.

 

PLEASE NOTE: Between the lay and the completion of the trenching activities the pipeline will be on the surface of the seabed and there is the potential for spans at any point along its length.  All vessels with interaction with the seabed are requested to keep clear until the completion of the trenching operations.

 

Throughout this period Safety Messages will be transmitted on ch16 by a vessel monitoring marine traffic in the vicinity.

 

The trenching operations are scheduled to be completed by 20th July but will be confirmed by the cancellation of this notice.

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BP-7 spool and jumper installation - Western Isles South Drill Centre manifold



The new BP-7 wellhead will be tied in to the existing Western Isles South Drill Centre manifold with new flowlines and hydraulic/chemical electrical jumpers, which will be protected with new concrete mattresses and grout bags.


The tie-in work will be conducted by a DSV and divers. The flowlines and jumpers will be laid on the seabed and connected to the BP-7 tree and the South Drill Centre manifold. The new infrastructure will then be protected with new concrete mattresses and grout bags. The works will be entirely within the existing South Drill Centre 500 m safety exlcusion zone.

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Anasuria Field Pipeline works - Riser removal/recovery



A DSV will be on location to conduct the second phase of riser recovery and replacement operations within the 500m zone of the Anasuria FPSO, located within UKCS block 21/25 in the central North Sea, approximately 157km east of the Scottish coastline. Heading Control Tugs will also be in field.


The DSV is scheduled to mobilise in Aberdeen on 4th August 2022 . The activities are expected to take ca. 25 days to complete.  All activities will take place within the existing 500 m safety zone of the FPSO.

 

The activities are to recover and replace the test production riser and production riser. Grout bags will be installed to support the weight of the replacement risers.  

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Debris & Clearance Survey - Anglia A



Debris and Clearance using ROV operations from 4th July 2022 until 14th July 20222.


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Survey - Ninian North



Mariners are advised that an environmental and geophysical survey will be conducted at the Ninian North site in the Northern North Sea, using vessel Ocean Endeavour starting around the 3rd July 2022 and will continue for 35 days (estimated).


Mariners are advised that an environmental and geophysical survey will be conducted at the Ninian North site in the Northern North Sea using vessel Ocean Endeavour starting around the 3rd July 2022 and will continue for 35 days (estimated).

 

Survey operations shall be conducted for CNR International (UK) Ltd. The survey will involve survey vessel MV Ocean Endeavour conducting environmental and geophysical survey operations. The surveys will consist of multibeam echo sounder, side scan sonar, and grab/camera sampling equipment. The side scan sonar sonar will be towed up to 600m behind the vessel and m above the seabed.

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Well Drilling Campaign - Catcher Infill (Burgman)



Notice to alert sea users to drilling activity within the Catcher Area in block 28/09a, at the Burgman template location, using the Maersk Innovator MODU. The Maersk Innovator jackup drilling rig is currently on location in the Catcher Area, at the Catcher North template.  It is due to complete operations on the current well in late July 2022, then move to the Burgman template location.


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Survey - Strathspey



Mariners are advised that environmental sampling and a geophysical survey will be conducted at the Strathspey site in the Northern North Sea, 94nm off the coast of Lerwick, using vessel Ocean Endeavour starting around the 3rd July 2022 and will continue for 21 days (estimated).


Mariners are advised that an environmental and geophysical survey will be conducted at the Strathspey site in the Northern North Sea, 94nm off the coast of Lerwick, using vessel Ocean Endeavour starting around the 3rd July 2022 and will continue for 21 days (estimated).

 

Survey operations shall be conducted for CNR International (UK) Ltd. The survey will involve survey vessel MV Ocean Endeavour conducting environmental and geophysical survey operations. The surveys will consist of multibeam echo sounder, side scan sonar, and grab/camera sampling equipment. The side scan sonar sonar will be towed up to 600m behind the vessel and m above the seabed.

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Well Drilling Campaign - Catcher Infill



Notice to alert sea users to drilling activity within the Catcher Area using the Maersk Innovator MODU in Block 28/9. The Maersk Innovator Drilling Rig is due mobilise from Denmark to the Catcher Area in February 2022 and should be on location at the Catcher North drilling template in early March 2022. 


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Construction Support Vessel -Saturn Banks Development



EDT Hercules CSV will be undertaking various activities to support the installation of the Saturn Banks Development


Subsea 7, on behalf of IOG, will be undertaking various construction support activities across the development from the vessel EDT Hercules.  This work will include installing mattresses at locations along the pipelines:

•    Blythe Export Pipeline (PL4956),  •    Saturn Banks Export Pipeline (PL5152).  

 

The vessel will also undertake FCGT and metrology activities on the newly laid section of PL5152 in the Southwark field.  

The vessel will be using a crane to install mattresses and deploying a remotely operated vehicle (ROV) in the water, severely restricting her ability to manoeuvre.

 

Whilst performing these activities the vessel shall either be static or moving at a maximum speed of <1 knot.  Vessel heading may not be indicative of direction of travel and operations will be conducted on a 24-hour basis.

 

It is requested that no marine activities occur within 500 metres of the vessel during this operational period.

 

Vessels in transit are also requested to maintain a minimum distance of 500 metres when passing the construction vessel.

 

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Survey - Dunlin Alpha (Ref: 1417)



A 30 Day Route Survey using the vessel Atlantis Dweller call sign: 8PAB3 between 8th July 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro

Atlantis Dweller

8PAB3

N/A

19/07/2022 - 31/08/2022

For 30 Days

211

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Survey - Ben Lawers Site Survey (Ref: 1421)



A 9 Day Site Survey using the vessel Stril Explorer call sign: LAZT7 between 19th July 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Ocean Infinity

Stril Explorer

LAZT7

N/A

19/07/2022 - 31/08/2022

For 9 Days

204

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Survey - Schiehallion Site Survey (Ref: 1420)



A 13 Day Site Survey using the vessel Stril Explorer call sign: LAZT7 between 19th July 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Ocean Infinity

Stril Explorer

LAZT7

N/A

19/07/2022 - 31/08/2022

For 13 Days

204

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Dropped Pipeline - Carrack QA Platform



Dropped Pipeline 16 mtr x 4" section of redundant Pipeline resting on seabed. Plans to recover


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Survey - Schooner 500m Zone & Schooner Pipeline (Ref: 1419)



A 10 Day Route Survey using the vessel Normand Superior call sign: LATJ7 between 27th June 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Ocean Infinity

Normand Superior

LATJ7

N/A

27/06/2022 - 31/12/2022

For 10 Days

44

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Survey - Ketch 500m Zone & Ketch Pipeline (Ref: 1418)



A 82.5 Day Route Survey using the vessel Normand Superior call sign: LATJ7 between 27th June 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Ocean Infinity

Normand Superior

LATJ7

N/A

27/06/2022 - 31/12/2022

For 82.5 Days

44

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Development - Pierce Field



Installation of Gas Export Riser & Preparatory activities ahead of tying of the new riser.


Vessel activity scheduled for late June in the Pierce field.

 

CSV – (7 Oceanic) Pierce Field Development – Infield  28/06/21 – Depart Field 05/07/21

  • Installation of Gas Export Riser

 

DSV (Kestrel) – Pierce Field Development  – Infield  02/07/21 – Depart Field 09/07/21

  • Preparatory activities ahead of the tying in of the new riser
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Rig - Valaris Gorilla V



Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Seafox 2



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Polymer Injection Flowline Installation - Captain EOR



A polymer injection flexible flowline will be installed between the Captain BLPA and the Captain Area B UTM structure (well b28). As part of the Captain EOR Stage 2 project a new 6" polymer injection flowline will be installed.  It will be installed between the Captain BLPA and the Captain Area B UTM structure (well b28). The flowline will be installed from a construction vessel and will be jet trenched for protection using ROV.


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Pipeline Installation - Abigail Project



A 12km 6”/10” pipe in pipe production pipeline with a piggybacked 3” gas lift pipeline, and an umbilical will be installed as part of the Abigail project. They will be installed between a new Abigail drill center manifold and the existing Greater Stella Area Main Drill Centre manifold. The pipeline installation is due to commence 10th June and complete by 30th June.  The pipelines will be installed by reel lay and will then be trenched and buried. A survey vessel will also be in-field.


As part of the Abigail project we will be installing a 12km 6”/10” pipe in pipe production pipeline with a piggybacked 3” gas lift pipeline. The pipelines will be installed between the Abigail drill centre (a new manifold will be installed and one production well initially) and the existing Greater Stella Area Main Drill Centre Manifold.  The pipelines will be installed using a reel lay vessel and will then be trenched and buried for protection.  The current project schedule indicates that the installation workscope is due to commence offshore in May 2022.

 

The pipeline coordinates for the start and end points are summarised in the table below.  The pipeline crosses the existing Ithaca Stella Gas Export Pipeline (trenched and buried), and the crossing will be rockdumped for protection, the location is also detailed in the table below.  The installation is planned to commence in May and conclude end of August/September.  The initial planned campaigns are structure installation early May, followed by pipeline installation, pipeline trenching, umbilical installation (into the trench) and then backfilling.  The Dive Support Vessel is the last workscope and mobilises in August to perform the spoolpiece tie-ins and leaktesting.

 

The pipeline installation is due to commence 10th June and complete by 30th June.  The pipelines will be installed by reel lay and will then be trenched and buried.

 

 

Easting

Northing

Comment

Abigail Manifold

432650

6294950

Planned location

Pipeline Crossing (Stella Gas Export)

443995

6294585

Crossing of existing Stella Gas Export Pipeline (trenched and buried)

Stella Main Drill Centre Manifold

444500

6294649

Existing

 

*coordinates are Universal Transverse Mercator (UTM) Zone 31 using international spheroid (ED 50), central meridian 3º East.

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Spirit Energy East Irish Sea Marine Survey



Spirit Energy, in conjunction with Harbour Energy, has contracted the Fugro-operated Fugro Mercator survey vessel to undertake a combined geophysical and environmental site survey of certain surface and subsea assets in the vicinity of the North Morecambe and South Morecambe gas fields (and associated fields) located in the east Irish Sea. An inshore section of the Calder pipeline will also be surveyed.


The geophysical component of the survey will involve multibeam echosounder and sidescan sonar techniques (with the vessel underway and towing survey apparatus). A sub-bottom profiler will also be used at Millom W. The environmental component of the survey will involve seabed (benthic) sediment ‘grab’ sampling, and seabed photo / videography techniques being undertaken at approximately 76 stations (with the vessel stationary).  The geophysical component of the survey will involve multibeam echosounder and sidescan sonar techniques (with the vessel underway and towing survey apparatus). A sub-bottom profiler will also be used at Millom W. The environmental component of the survey will involve seabed (benthic) sediment ‘grab’ sampling, and seabed photo / videography techniques being undertaken at approximately 76 stations (with the vessel stationary).  The geophysical component of the survey will involve multibeam echosounder and sidescan sonar techniques (with the vessel underway and towing survey apparatus). A sub-bottom profiler will also be used at Millom W. The environmental component of the survey will involve seabed (benthic) sediment ‘grab’ sampling, and seabed photo / videography techniques being undertaken at approximately 76 stations (with the vessel stationary).  

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Subsea Pipeline Activities - Pickerill



Perenco Gas UK Ltd is planning to cut and remove the decommissioned Pickerill A and Pickerill B pipeline ends. All pipeline operations are to be undertaken within the Pickerill A and Pickerill B 50 m safety zones. The Maersk Achiever will mobilise from the port of Blyth in the UK on the 4th July for a 12 days campaign


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Central North Sea Electrification Project - Cable Route Survey and Habitat Assessment



Harbour Energy intend to mobilise the survey vessel m/v "Geograph" (Gardline Ltd) on ~01/08/22, to execute a cable route survey in support of future Central North Sea electrification scopes. The near shore section shall be facilitated by Titan Surveys post 15/08/2022. Survey activity will include geophysical, environmental baseline (benthic) & habitat assessment components of the offshore cable corridor, the intertidal cable corridor, the connection cable corridors and the offshore hub area.


The PfS UK cable to the CNSE Offshore Hub will be approximately 224.4 km in length extending from a landfall location by Peterhead on the Scottish coast to the offshore hub location in the Central Graben area of the North Sea. The proposed coordinates of the offshore hub and UK landfall locations are provided below.

Power from Shore UK - 210km

Easting (m)

ED50 TM0

Northing (m)

ED50 TM0

Latitude (DD)

WGS84

Longitude (DD)

WGS84

Latitude (DMS)

WGS84

Longitude (DMS)

WGS84

Latitude (DMS)

ED50

Longitude (DMS)

ED50

CNSE Hub Location

600685.04

6333603.06

57.133

1.662

57° 07' 57.810" N

01° 39' 42.643" E

57° 08' 00.164" N

01° 39' 48.218" E

Peterhead

NA

NA

57.478

-1.789

57° 28' 40.800" N

01° 47' 20.400" W

57° 28' 43.263" N

01° 47' 14.450" W

 

Planned routing is between the following platforms;

Landfall near Peterhead ref attached charting

Offshore Hub location near Shearwater

Shearwater Platform

Judy Platform

Elgin Platform

Gannet A Platform

Etap Platform

 

Ref attached chartlet and coordinate list for further details of proposed routing.

 

Please contact the undersigned for further information.

 

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Greater Britannia Area Shallow Seismic Survey Operations



Harbour Energy PLC shall be mobilising the survey vessel Ocean Reliance to conduct 3DHR & 2DHR Shallow Seismic Survey Operations within the Greater Britannia Area from approx. 11th July 2022. Campaign duration approx 22 days


Site surveys shall be conducted at;

 

Balmoral Area                 - Commencement ~ 11/07/2022 for 10 days

Callanish Manifold Area  - Commencement ~ 22/07/2022 for 7 days

Leverett Area                   - Commencement ~ 29/07/2022 for 7 Days

 

Vessel shall utilise a 1200m streamer and be restricted in ability to manouvre all vessel requested to maintain a wide berth

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Dismantling & Removal - Brae Bravo Jacket



Please be advised that the SSCV Sleipnir is expected to leave the current Brae Bravo 500m Safety Zone on 25th June 2022 following removal of the Brae Bravo upper jacket. Only the footings and cuttings piles will remain, at an elevation of approximately 28m from the seabed.


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Stena Spey (MODU) on Site (Block 15/21a)



Stena Spey on location to carry out decommissioning operations to plug and abandon the 15/21a-51 Well. The Stena Spey is expected to arrive at the 15/21a-51 Well location to carry out P&A operations and remove the well head. The work scope is planned to take approximately 30 days. The MODU will be anchored utilising prelaid anchors, with a guard vessel in place.


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Sevan Hummingbird FPSO Offstation



Sevan Hummingbird FPSO Disconnect, Tow and Mooring Line Recovery. Sevan Hummingbird FPSO is currently being disconnected from her moorings. She will be under tow Friday 24/06/22 - Wednesday 28/06/22 from her field position to Port of Nigg, Cromarty Firth. The mooring lines will be recovered from the field location starting Friday 24/06/22 for up to 14 days. The 12 Suction anchors and a portion of ground chain shall remain thereafter to be recovered later in 2022.


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BP-7 wellhead and Xmas tree



BP-7 is a new subsea oil well. The wellhead supports a Xmas tree and integrated "fishing friendly" wellhead protection structure. BP-7 is a new subsea oil well. The wellhead supports a Xmas tree and integrated wellhead protection structure. The wellhead protection structure has legs that penetrate the seabed and a ‘fishing friendly’ profile with sloping sides designed to deflect trawls and offer protection against dropped objects


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Rig - Valaris Viking



This oil & gas drilling rig has moved to this new position. Rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Valaris 123



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Deepsea Stavanger



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Surveys - Culzean GWA Area



Olympic Taurus – Node Handling (Call Sign: LDXA3) and Sanco Star – Source Vessel (Call Sign: ZDIT8) will will be carrying out OBN (Ocean Bottom Node) 4D Seismic Survey work. Seismic Source Volume = 3790cu.in source at 2000 psi operating pressure. Start Date = around 23rd June 2022. Sanco Star has restricted manoeuvrability, please keep 3Nm minimum CPA. Duration expected to be approx. 2 months to mid-august (but planning to be complete by end-July).


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Ocean Endeavor Rig - Pan West Well



The Ocean Endeavor rig will be drilling the Pan West Well in the Penguins fields. The will be moored with 12 anchors. Some of these anchors extend outside of the rig 500m exclusion zone.


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Platform Navaids Maintenance - Shearwater



The Shearwater platform will be undergoing a period of maintenance/changeout of the Navaids from 10th June to 8th July. There will be periods of reduced Navaid operations. This has been approved in an updated Consent to Locate.


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Survey - Anglia Field (Ref: 1414)



A 10 Day Survey using the vessel VOS Star call sign: PDCT between 17th June 2022 - 31st July 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
ROVCO

VOS Star

PDCT

N/A

17/06/2022 - 31/07/2022

For 10 Days

48

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Rig - Maersk Reacher



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Maersk Resilient



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Foinaven FPSO Transit from station West of Shetland to Hunterston Port



The Foinaven FPSO will be transiting from it's station West of Shetland to Hunterston Port for redelivery to owner on the 15th of August and arriving at Hunterston Port on the 20th of August.  These dates are subject to change due to weather windows etc. which will be updated if they change.


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Paul B. Loyd Jr (PBLJ) MODU on Site (Block 3/24c)



PBLJ on location to carry out exploration drilling. The PBLJ is expected to arrive at North Eigg (Block 3/24c -NE1) to carry out exploration drilling . The work scope is planned to take approximately 4 months. The MODU will be anchored utilising prelaid anchors.


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Rig - Island Innovator



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Scarabeo 8



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Swift 10



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Maersk Resolute



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Umbilical Trenching Operations - Forvie



Due to a delay the trenching work between the locations noted below will now be undertaken on 1st June 2022 with a planned duration of 10 Days. 7/6/22: Further Delayed until mid July.


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Subsea preparation work - New temporary precautionary areas.



Equinor will conduct subsea construction work at the tie-in areas for the new oil export pipeline which will be installed between Gina Krog and Sleipner A. The affected areas are located east of Gina Krog and north of Sleipner A.


Subsea preparation work at areas for tie-in of new pipeline section between Gina Krog and Sleipner A.

New temporary precautionary areas.

 

Between 20.06.2022 and 15.08.2022, Equinor will conduct subsea construction work at the tie-in areas for the new oil export pipeline which will be installed between Gina Krog and Sleipner A. The affected areas are located east of Gina Krog and north of Sleipner A.

 

The new pipeline will be designed to be overtrawlable when in operation, but trawl / bottom fishing activities near these construction areas must be avoided during parts of the construction period. Equinor will therefore establish temporary precaution areas at these locations which will be surveilled to prevent damages to fishing equipment and subsea infrastructure.

 

The zones have a radius of 500 m with centre as given in the table below.      

 

Positions (WGS84) of temporary precautionary areas / surveillance zones at the tie-in locations

 

Location

Latitude

Longitude

Gina Krog tie-in area

58° 34.349’ N

1° 42.524’ E

Sleipner Øst tie-in area

58° 23.735’ N

1° 54.962’ E

 

Sleipner Øst tie-in area will be overtrawlable after August 2023

Gina Krog tie-in area will be overtrawlable after October 2024

 

Questions can be directed to Equinor Marin:

+47 55 14 32 78, opcse@equinor.com, or VHF ch 14.

 

Vessels which will be involved in marine construction activities at the temporary precautionary areas

Vessel name

Activity

Period

Apache II

Subsea construction work – preparations of tie-in locations

July 2022

 

 

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Drilling Operations - Central North Sea 22/11b



Capricorn are the license Holder for License P2379 in the Central North Sea, approximately 174km East of Aberdeen. On the 16th of May, we are planning to begin exploration drilling activities within UKCS block 22/11b (please see location map below). Drilling operations are planned to take 72 days (dry hole case) and 102 days (success case). However, permits have been requested until the 30th of November 2022 to account for any unforeseen delays.


Please also note that the start date of the 16th of May is subject to our drilling rig finishing its current operations as planned and this date may slip. 

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Rig - Safe Caledonia



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Noble Sam Turner



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Well Suspension Activity - Foinaven Field



As part of well suspension activity in the Foinaven Field, five transponders are to be placed on the seabed on a temporary basis. Block 204/19, 204/24 and 204/25. Total seabed footprint of 20m2. 


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Survey - Christian/Bligh Site Survey



A 10 Day Site Survey at the Christian/Bligh Field using vessel Geo Ocean V call sign: LXGV between 1st June 2022 - 30th November 2022.


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Survey - Greenwell Site Survey



A 12 Day Site Survey at the Greenwell Field using vessel Geo Ocean V call sign: LXGV between 1st June 2022 - 30th November 2022.


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Rig Move - Deepsea Atlantic



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Survey - Finlaggen Site Survey (Ref: 1402)



A 8 Day Site Survey at Finlaggen using vessel Geo Ocean V call sign: LXGV between 27th May 2022 - 30th November 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GEOxyz Offshore

Geo Ocean V

LXGV

N/A

27/05/2022 - 30/11/2022

For 8 Days

21, 15

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Rig - Maersk Integrator



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Survey - West of Shetlands



A 3 month Survey using vessels Subsea Viking, Veritas Viking, Artemis Odyssey, Marianne-G between 1st June 2022 - 30th September 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

PXGeo

Subsea Viking

Veritas Viking

Artemis Odyssey

Marianne-G

N/A

01/05/2022 - 01/08/2022 for 28 Days

Q204/20, 204/15, 204/18, Q204/19, Q204/24, Q204/25, Q205/16, Q205/21

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Survey - Former Guinevere Platform 48/17-Post Decom (Ref: 1408)



A 28 Former Guinevere Platform 48/17-Post Decom between 1st June - 31st October 2022


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Perenco UK Limited

TBA

N/A

01/06/2022 - 31/10/2022

For 28 Days

48

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Survey - Callanish Site Survey (Ref: 1399)



A 15 Day Site Survey at Callanish using vessel Ocean Reliance call sign: HP6391 between 1st June 2022 - 30th September 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Ltd

Ocean Reliance

HP6391

N/A

01/06/2022 - 30/09/2022

For 15 Days

15, 21

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Survey - Offshore Pipelines & wells (Ref: 1396)



A 31 Day Offshore Pipelines & Wells Survey using vessel Boka Atlantis call sign: V7SG3 between 12th May 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Bosakalis Subsea Services Ltd

Aberdeen (TBC)

Boka Atlantis

V7SG3

N/A

12/05/2022 - 31/12/2022

For 31 Days

48, 52

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Survey - Hewett Pipelines (Ref: 1398)



A 5 Day EBS & Habitat Assessment along Hewett Pipelines using vessel Boka Atlantis call sign: V7SG3 between 12th May 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Bosakalis (TBC)

Boka Atlantis

V7SG3

N/A

12/05/2022 - 31/12/2022

For 5 Days

48, 52

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Survey - Nearshore Pipeline Inspection PL20 & PL21 (Ref: 1397)



A 5 Day Nearshore Pipeline Inspection PL20 & PL21 using vessel Boka Atlantis call sign: V7SG3 between 12th May 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Bosakalis (TBC)

Boka Atlantis

V7SG3

N/A

12/05/2022 - 31/12/2022

For 5 Days

48, 52

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Survey - Site Survey Well 15/21a-51 (Ref: 1380)



A 5 Day Site Survey Well 15/21a-51 using vessel Noordhoek Pathfinder call sign: PBYN between 18th April 2022 - 31st July 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
N-Sea

Noordhoek Pathfinder

PBYN

N/A

18/04/2022 - 31/07/2022

For 5 Days

15

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Deployment of Buoys - Beryl SPM-3



Apache have installed to two cardinal buoys at the following locations. It would be appreciated to advise if any other stakeholder should be inform of the installation.


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Rig - West Phoenix



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - West Linus



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Well Operations - Orlando 3/3b-13Y



PFML are due to conduct well intervention operations at the Orlando 3/3b-13Y well using the Island Innovator rig, pre-lay of 8 anchor mooring spread commencing 20th May 2022. Guard vessel is on location prior to the MODUs arrival in early June 2022 (provisionally 12-60 days post pre-lay operations). Stevpris MK VI anchor type and maximum of 2,680m of chain/fibre rope/wire per anchor.


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COSL Pioneer MODU - Captain Field



COSLPioneer MODU will be drilling in the Captain field for Ithaca Energy for approximately 128 days, with the anchors being pre-laid approximately two to four weeks prior to the rig arriving onsite. Activity will take place from 16th May until 14th November 2022.


Ithaca Energy (UK) Ltd is planning to use the COSLPioneer to drill UB05P well and suspend A2Y at Captain Drill Centre C.  The activity will last approximately 150 days (including anchor pre-lay).  The Captain platform ERRV will act as a guard vessel at the location from when the anchors are pre-laid until the COSLPioneer arrives.

The field lies within the United Kingdom Continental Shelf (UKCS) Block 13/22a, approximately 91 km North of Aberdeen and 191 km from the UK/Norway median line.

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Anchor Pre-Lay at Ettrick Location



Normand Prosper AHV to pre-lay 8x anchors at Ettrick Location. 8x anchors will be laid in the Ettrick field, prior to rig mobilisation forecast for 14th May. 8x anchors will remain laid for Ettrick campaign.


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Drilling - Diadem Exploration Well



Capricorn Energy UK Ltd are drilling the Diadem exploration well using the Valaris 123 jack-up rig.


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Rig - Ocean Patriot



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Deepsea Aberdeen



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Prospector 5



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Pipeline Installation - Evelyn Field



Tailwind Mistral Ltd intends to install pipelines and umbilicals from the existing Evelyn Well EV01 to the GEEBB Manifold and the Triton riser base, this will comprise: 8" production line with 3" piggyback gas lift line, Control umbilical line.


The Evelyn field is located within UK licence P1792 approximately 7.5km to the South West of the Dana Operated Triton FPSO. The development will consist of a single gas lifted production well EV01.

 

The 8" Pipeline route runs from the Evelyn valve skid (EVVS) drill centre tie-in structure in a north east direction to a comingling tie-in structure (GEEBB) which will comingle production fluids from Gannet E, Evelyn and Bittern. The GEEBB structure will be located outside the Triton swing circle, but inside its 500m safety zone. The 8-inch pipeline will be trenched and buried using trench backfill material. Areas which are not trenched at the Evelyn and Triton approaches will be protected from fishing gear interaction and/or dropped objects by a combination of rock placement and concrete protection mattresses.

 

The 3" Pipeline route runs in a south westerly direction between the GEEBB tie-in and distribution structure to the Evelyn valve skid (EVVS) drill centre tie-in structure. The GEEBB structure will be located outside the Triton swing circle but inside its 500m safety zone.  The 3-inch gas lift pipeline will be piggybacked to the larger 8-inch production pipeline and will be trenched and buried using trench backfill material. Areas which are not trenched at the Evelyn and Triton approaches will be protected from fishing gear interaction and/or dropped objects by a combination of rock placement and concrete protection mattresses.

 

The 9.5 km control umbilical will be installed from the EVVS to the umbilical riser base at Triton FPSO.  The umbilical will contain a total of 16 cores and will provide hydraulic, electrical and chemical supplies from the Triton dynamic umbilical at riser base SY9516A to the EVVS and wells

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Completion of Platform Decommissioning Activity - Ketch Field (44/28) and Snagging Hazard



Ketch platform decommissioning completed and the Sleipnir Heavy Lift Vessel has left the area (05:35 BST on 22nd April 2022). Snagging hazard remains and an EERV / Guard vessel will be on-station until July 2022 when the riser stub will be removed as part of the DNO North Sea Limited Pipeline decommissioning operation. Please also note that an 18” riser stub remains protruding approximately 1.5m above seabed level close to the platform location.


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Rig - Maersk Resolve



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Subsea Structure - Gannet E Tie-In Valve Skid (GETVS)



Tailwind Mistral Ltd intends to install the Gannet E Tie-In Valve Skid at the Gannet E Field


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Pipeline Installation - Gannet E Expansion



Tailwind Mistal Ltd intends to install pipelines between the Existing Gannet E Manifold (GEM) to the new Gannet E Tie-in Valve Skid (GETVS) and a 9" production line between the GETVS to the GEEBB Manifold.


Pipeline route runs from the Gannet E Tie in Valve Skid (GETVS) structure at the drill centre in an easterly direction to a comingling tie-in the GEEBB manifold. 

The GEEBB manifold will be located outside the Triton swing circle, but inside the 500m safety zone.

 

The 9-inch flexible flowline will be trenched and buried using trench backfill material. Areas which are not trenched at the Gannet E and Triton approaches will be protected from fishing gear interaction and/or dropped objects by a combination of rock placement and concrete protection mattresses.

 

Methanol will be delivered from the Gannet E Manifold (GEM) to the Gannet E Tie-in Valve Skid (GETVS) via a dedicated 3/4" thermoplastic hose within the GEM to GETVS chemical/hydraulic jumper bundle.  The jumper bundle containing the methanol hose and will be protected from fishing gear interaction and/or dropped objects by a concrete protection mattresses and additional grout bags where concrete mattress placement is not practical. 

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Subsea Structures - Evelyn Valve Skid



Tailwind Mistral Ltd intent to Install the Evelyn Valve Skid Located near the Evelyn EV01 Well


The Evelyn Valve Skid (EVVS) is part of the Evelyn field development, consisting of a gas lift flowline piggy-backed onto a new production pipeline and a new umbilical for carrying control, power, hydraulic lines and chemicals from Triton FPSO to Evelyn. 

 

Evelyn will be connected to Triton via the existing Triton P1 Bittern production riser. 

 

The Evelyn valve skid (EVVS), will be installed at Evelyn, near the location of the EV-01 well, it will be connected to the EVVS from the EV01 xmas tree by the rigid production and gas lift spools pipeline and electrical and umbilical jumper bundles.  A 9.5 km control umbilical will be installed to the EV01 well via the EVVS to the umbilical riser base at Triton FPSO.  The umbilical will provide hydraulic, electrical and chemical supplies from the Triton dynamic umbilical at riser base SY9516A to the EVVS and wells.

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Survey - North Sea (Ref: 1357)



CGG will acquire ~1800 km² of multi-client 3D seismic data in UK Quad 3 between May and September 2022. Two survey vessels will tow up to 14 8km long hydrophone streamers and a seismic source. The source will emit acoustic energy into the sub-surface that is reflected back to the streamers. The survey is part of a larger ~9000 km² program in Norwegian waters to be acquired concurrently. The UK survey duration is estimated to be 45 days, with 31 days of active source effort.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater GeoServices AS

Amazon Warrior

3FNE9

Linde-G

V7A2093

Mainport Pine

V7ZH8

Amazon Conqueror

3EBI3

Astra G

HP8210

Mainport Cedar

V7ZH7

8400m

8m

01/05/2022 - 30/09/2022

For 45 Days (in UK)

210,211

2,4

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Partially Exposed Conductor Stump - Ketch



Following Operational challenges during the Ketch conductor severance and removal campaign, the 26 inch conductor for KA08 has been severed at a shallower depth of -8ft, leaving a partially exposed stump. ROV footage has observed a crater around the conductor with approximately 2 ft of conductor sitting above the base of the crater. The crater is estimated to be 4 m in diameter with a maximum depth of10 ft.


The crater is known to be naturally backfilling with seabed sediment and is expected to continue to do so, particularly during winter months. The incremental risk posed by the 2 ft conductor stump is considered to be negligible.

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Rig - Prospector 1



This oil & gas drilling rig has moved to this new position. Rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Seafox 4



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Survey - Tolmount East Site Survey (Ref: 1373)



A 2 Day Site Survey at Tolmount East using the vessel MV Ocean Resolution call sign: 3EIPG between 25th April 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Ltd

MV Ocean Resolution

3EIPG

N/A

25/04/2022 - 31/08/2022

For 2 Days

42

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Survey - Hunter HK-1 Site Survey(Ref: 1369)



A 2 Day Site Survey at Hunter HK-1 using the vessel MV Ocean Resolution call sign: 3EIPG between 25th April 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Ltd

MV Ocean Resolution

3EIPG

N/A

25/04/2022 - 31/08/2022

For 2 Days

44

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Survey - Bell ZX, Victor JM and Kelvin TM Site Survey(Ref: 1368)



A 6 Day Site Survey at Bell ZX, Victor JM and Kelvin TM using the vessel MV Ocean Resolution call sign: 3EIPG or MV Kommandor call sign: MCJO2 between 25th April 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Ltd

MV Ocean Resolution

3EIPG or

MV Kommandor

MCJ02

N/A

25/04/2022 - 31/08/2022

For 6 Days

49, 44

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Fishing Advisory Zone - Ninian North



Seabed snagging hazards following the removal of the Ninian North jacket in April 2022 and the removal of the automatic 500-metre Safety Zone.


Following removal of the jacket structure below sea level, there remain a significant number number of seabed structures & items that are potential snagging hazards, within approx. 200 metres of the jacket position. These include:

  • Jacket footings (to 46 metres above seabed)
  • SSIV structure
  • 12 impressed current anodes and associated cables
  • Umbilicals
  • Pipeline crossings, spans, exposed flanges/bolts
  • Pipeline repair clamps with exposed bolts.
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Survey - Storr 3 Debris Survey (Ref: 1362)



A 1 Day Debris site survey at Storr 3 using the vessel MV Kommandor call sign: MCJO2 between 9th April 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Geosurvey Limited

MV Kommandor

MCJO2

1250m

3m

09/04/2022 - 31/12/2022

For 1 Day

9

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Survey - Storr Field Survey (Ref: 1367)



A 1 Day Storr Field Survey using the vessel MV Kommandor call sign: MCJO2 between 24th March 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Geosurvey Limited

MV Kommandor

MCJ02

N/A

24/03/2022 - 30/08/2022

For 1 Days

9

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Noble Hans Duel Drilling Rig



The Drilling Rig Noble Hans Duel will be located next to the Southwark Platform for approximately 200 days from April 2022. The drilling rig Noble Hans Duel is locating to the south face of the Southwark Platform. The rig is expected to be on site in the region of 200 days.  It will be fully within the platform's 500m safety zone.


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Cement Overspill at Jacky Field



Cement over spill from historic drilling campaign. Noticed when Jacky platform was removed. This item could potential snag. Approximate size 4m x 5m. 2m in height.


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Rig - Erda



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Seafox 7



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Confirmation of Cardinal Buoys Deployment – at the Pickerill A Jacket



On the 29th March 2022, Leask Marine's C-Force completed its buoy deployment at 11:00 . The vessel Departed Pickerill A Field at 13:00 for transit to Great Yarmouth after the completion of work and arrived alongside at 20:00 the same day. This is a final notification to confirm the 4 cardinal buoys are in their final position and will remain in place until 30th June 2024 as per approval from ML/784/0.


Pickerill A former Platform Lat: 53° 32’ 57.0875” N Long: 01° 04’ 33.3425” E

 

The cardinal buoys will be deployed within the Pickerill 500 m zone at the following coordinates:

 

UPDATE: The latest version of the marine Licence accepts the 4 buoys final location is precisely as above.

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Survey - Greater Schiehallion (Ref: 1360)



A 100 Day site survey at the Greater Schiehallion using the vessels Subsea Viking call sign: LCPX, Veritas Viking call sign: LMIB3, Maria-G call sign: 3FMM5, Artemis Odyssey call sign: LNUT3 between 1st April 2022 - 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

PXGeo

Subsea Viking

LCPX

Veritas Viking

LMIB3

Maria-G

3FMM5

Artemis Odyssey

LNUT3

160m

8m

01/04/2022 - 30/08/2022

For 100 Days

204, 205

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Survey - Diadem Exploration Well (Ref: 1353)



VSP will be used to characterise the Diadem exploration well which will involve the use of a seismic array from the drilling rig. will involve a three-gun array suspended from the rig (3 x 250 cubic inch guns). The VSP will be undertaken for 7 days on the 16" section, 13 days on the 12¼" section and 8 days on the 8½ section. The temporary 500 m exclusion zone of the drilling rig has been assumed as the working radius. Between 1st April 2022 and 30th November 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Capricorn Energy UK Limited

N/A

N/A

01/04/2022 - 30/11/2022

For 1 Day1

22

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Rig - Askepott



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Stena Spey



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Survey - Liverpool Bay Reservoir Survey (Ref: 1324)



A 99 Day reservoir survey in Liverpool Bay between 15th March 2022 - 15th July 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI

 

 

15/03/2022 - 15/07/2022

For 99 Days

110

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Rig - West Elara



This oil & gas drilling rig has moved to this new position. Rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Decommissioning Activity at the Indefatigable 18A Installation



Decommissioning related activities – HCF Campaign at the Indefatigable 18A Installation. Planned HCF works are due to commence on the Indefatigable 18A Platform (UKCS 49/18A). The Jack up Barge Haeva, departed from Bessemer on 9th February 2022 and transited to the Indefatigable field, where it has been holding for a suitable weather window to come alongside the platform.


The HCF operations will commence around  8th March 2022 following the interface activities .The HCF campaign duration is 142 days and finish approximately 25th July 2022.

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Drilling Activity - Valaris 122 at Edinburgh



The Valaris 122 (jack up drilling rig) will be conducting drilling operations at the Edinburgh field on the 30/14a-Edinburgh well. The Valaris 122 will be drilling at a standalone location in the Edinburgh field on a single well campaign. The total duration of drilling and completion activities is expected to last approximately 160 days.


Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone. 

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Subsea Clearance Project - Ex Northern Producer FPF 500m Zone



EnQuest Heather Ltd intends to undertake the seabed clearance works in the ex Northern Producer FPF 500m zone in relation to Dons Field decommissioning works commencing 01 April 2022.


The workscope comprises of several ROV Construction Support Vessels (CSV) performing the seabed clearance of the risers, Mid Water Arch, Riser Base Structure and surface laid spoolpieces, pipelines and umbilicals up to the point of burial.

 

Initially an ROV Construction Support Vessel (CSV) will perform the recovery of the concrete protection mattresses from over the surface laid spoolpieces, pipelines and umbilicals and will perform the cuts on these items up to their point of burial at full trench depth or start of rockdump. This will be followed by an Anchor Handling Tug (AHT) which will recover the Flexible risers and the surface sections of the flowlines and umbilicals before releasing the Mid Water Arch (MWA) and floating it to the surface. The MWA will then be towed to Lerwick in the Shetland Isles for disposal.

 

Finally another CSV will be in field to perform the recovery of the MWA clump weights, Riser Base Structure, rigid spoolpiece and pipeline sections along with any remaining concrete protection mattresses and grout bags. The 500m zone will then be surveyed for debris, the debris will be recovered and a final 500m zone MBES clearance survey will be performed to confirm the 500m zone is clear of any oil field related debris and that no snag hazards remain. An over trawl survey will then be performed by the SFF to confirm there are no snag hazards before issuing a seabed clearance certificate and opening up the area to fishing activity.

 

All the vessels will be positioned within the ex Northern Producer FPF 500m Zone during these activities with the AHT also towing the MWA to Lerwick along a predetermined tow route.

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Survey - Goldeneye Seabed Clearance Survey (Ref: 1344)



A 0.5 Day Seabed Clearance Survey at the Goldeneye using the vessel Edda Flora call sign: LAJW3 between 01st February 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

DeepOcean AS

Edda Flora

LAJW3

N/A

01/02/2022 - 31/12/2022

For 0.5 Day

14

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New Safety Zone: Kyle/Curlew DUTU Structure



A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 1st March 2022.


This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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Survey - Minke & Orca Survey (Ref: 1355)



A 4 Day survey Minke & Orca using the vessel MV Kommandor call sign: MCJO2 03rd March 2022 - 31st July 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Ltd 

MV Kommandor

MCJO2

N/A

03/03/2022 - 31/07/2022

For 4 Day

44

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Abandoned Well - 15/24b-5



No structure left on the seabed – decommissioned fully.


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Anchors on seabed - Tybalt Well



12 pre-laid anchors will be left on the seabed complete with lengths of chain when the rig departs location late December and as such may cause a hazard to fishing vessels. Anchors will be on location for 2-3 months until the rig returns. Update: Due to a change in well sequence, the expected duration of storage has been extended to Summer 2022.


As laid anchor pattern with rig in position attached, notice will be updated after rig departure to show only the remaining equipment.

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Rig - Valaris 72



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Noble Lloyd Noble



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Maersk Intrepid



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Rowan Stavanger



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - 590021



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Rig - Valaris Gorilla VI



This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Survey - Curlew Pipeline and Seabed Clearance Survey (Ref: 1335)



A 5 Day Clearance survey at Curlew B,C,D and pipeline and umbilical routes using the vessel Edda Flora call sign: LAJW3 between 01st February 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

DeepOcean AS

Edda Flora

LAJW3

N/A

01/02/2022 - 31/12/2022

For 5 Days

29

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Survey - Kingfisher PL & Umbilical Seabed Clearance Survey (Ref: 1340)



A 2 Day Clearance survey at Kingfisher PL & Umbilical using the vessel Edda Flora call sign: LAJW3 between 01st February 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

DeepOcean AS

Edda Flora

LAJW3

N/A

01/02/2022 - 31/12/2022

For 2 Days

16

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Snagging hazard - Near Well 3/03-12



Unidentified snagging hazard at, or close to, the location of well 3/03-12.


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Snagging Hazards - Decommissioned Murchison jacket footings - Fishing Advisory Zone



600m x 600m box covering the remaining jacket footings post-decommissioning. Area inside this region has NOT been verified by overtrawl survey.


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Seabed hazards following removal of Banff FPSO anchors & moorings



A series of deep, steep sided trenches at mooring line touchdown points and areas of disturbed seabed with clay boulders at the anchor locations, caused during recovery of the anchors. Moorings and anchors have been removed, leaving the seabed features.


10 mooring line trenches, varying in length from 70m to 180m; up to 8 metres wide and up to 9 metres deep. These trenches are steep-sided (in many cases vertical, cut into the clay seabed).

 

10 anchor scars, consisting of shallow trenches (20-90 metres long), shallow-sided depressions (less than 2 metres deep) but with areas of significantly disturbed seabed, including clay boulders up to 3 metres in size.

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MetOcean Buoys - NEP Project



7 MetOcean buoys will be installed to monitor the local metocean conditions within the NEP carbon capture project area. Each location shall have a seabed frame with a navigation buoy on the surface.


The 7 units will have the following equipment:

Units 1, 3, 4, 5, 6 & 7 - Seabed Frame with attached acoutstic release mechanism & surface navigation buoy within 150m of the seabed frame

Unit 2 - Seabed Frame with attached acoutstic release mechanism & surface navigation buoy within 150m of the seabed frame. This unti will also have a second surface buoy attached to the seabed frame to measure additional information.

It is advised to give 200m clearance to these units

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NW Schooner Subsea Well - Missing Debris Cap



The Debris Cap for the NW Schooner subsea well has been identified as missing, leaving the wellhead more vulnerable to snagging on fishing nets. The Debris Cap is 4.5m x 3.9m x 1.4m and approx 3.5 tonnes, whilst the wellhead stands 6m off the seabed.


The approximate dimensions of the Debris Cap is 4.5m x 3.9m x 1.4m with a weight of approximately 3.5 tonnes. It is not known whether the Debris Cap is lying within a 500m zone of the well. A 200m x 200m area centred on the well has been searched, with no sight of it. Therefore the exact location of the Debris Cap is unknown. The loss of the Debris Cap leaves the NW Schooner wellhead more vulnerable to snagging from trawler/fishing nets. The approximate size of the tree with over trawl legs deployed is 7.8m x 7.8m x 6m high.

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Rig Move – Valaris 121 to Judy field



Chrysaor (a Harbour Energy company) plan to move the Valaris 121 Jack-up drilling rig from the Dunnottar field location to the Judy Riser Platform to perform drilling operations on the Judy 30/07a-RD development well. Throughout well operations there will be a dedicated ERRV on location monitoring the surrounding sea area.


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Rig Move - Maersk Inspirer



Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Deployment of Spherical Directional Waverider Buoy - Northern North Sea



Shell deployed a new wave buoy in the Northern North Sea on 05-October-2021. Colour: Yellow, Size: 0.9 diameter, Fl: 5 10s


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Rig - Haven



Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.


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Anchor Listing for Safe Caledonia at Elgin PUQ



The Flotel Safe Caledonia is alongside ELGIN PUQ – within 500m zone. Providing additional accommodation for ongoing fabric maintenance campaign. Anchor Location Listing


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Safe Caledonia at Elgin PUQ



The Flotel Safe Caledonia is alongside ELGIN PUQ – within 500m zone. Providing additional accommodation for ongoing fabric maintenance campaign. Duration extended to over Winter at site and recommence work in Spring 2022 to Oct 2022


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Fishing Hazard - Dons Fields Decommissioning Works



The Northern Producer FPF has been removed from it’s moorings and towed to port for decommissioning but the subsea assets within the Northern Producer FPF 500m zone will remain in place on the seabed and could pose a snag hazard to fishermen


The Northern Producer FPF has been removed from it’s moorings and towed to port for decommissioning but the subsea assets within the Northern Producer FPF 500m zone will remain in place on the seabed and could pose a snag hazard to fishermen therefore the Thistle Alpha Platform ERRV will act as a guard vessel until the 500m zone clearance is performed in 2022.

 

This includes the 8 No Risers draped over the Mid Water Arch (MWA), the MWA Clumpweight Guide Frame, the Riser Base Structure (RBS) and the surface laid pipelines / Umbilicals.  The MWA will remain in the water column at a depth of 112m and will remain tethered to the seabed via the clumpweight guide frame. The risers will remain draped over the MWA with one end on the seabed and the other end will remain connected to the RBS so that they remain stable. The existing stabilisation mattresses will remain in place over the surface laid pipelines/umbilicals.

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Survey - Devil's Hole Horst (Ref: 1290)



A 71 Days Site Survey at Devil's Hole Horst using vessel Akademik Nemchinov call sign: UETM between 1st September 2021 - 31st July 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

North Sea Natural Resources Ltd

Akademik Nemchinov

UETM

N/A

01/09/2021 - 31/07/2022

For 71 Days

27, 28

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Application for Offshore Development Area - Seagull Umbilical



Neptune E&P UK Ltd would like to request to establish an additional offshore development area in Block 22/29C for the Seagull Umbilical location.


The Seagull Field is located on UK licence P1622 Block 22/29C. 17km south of the Eastern Trough area Project (ETAP) Central Production Facility (CPF). Neptune will develop the Seagull reservoir as a subsea tie‐back to existing seabed infrastructure over the BP operated ETAP CPF. The development is high pressure and high temperature and Neptune is the Operator for the subsea development. Neptune will also drill and complete the Seagull Wells and shall retain overall Project responsibility.

The Seagull development will require installation of new subsea equipment as follows: Four Xmas Trees; a 4 slot manifold; a 17km control umbilical (including hydraulic, electrical and chemical supplies) direct from ETAP to Seagull; a 5km 10” production pipeline; a 5km 3.5” wash water pipeline from Seagull to the existing Egret manifold; and a Wye manifold adjacent to the existing Egret manifold, through which the new Seagull production pipeline will connect with the Heron cluster pipeline system connected back to the ETAP CPF. From ETAP CPF Seagull oil and gas will be exported to shore through the GAEL and FPS pipeline systems to the Kinneil Terminal onshore.

 

We already have an ODA established covering the Seagull drill centre and the Egret manifold and would like to request to extend the ODA to incorporate the entire Seagull works area. The extended Offshore development area will be required commencing from September 2021 ‐ March 2023.

 

 

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Survey - Dunnottar Exploration Well VSP (Ref: 1270)



A 1 Day Vertical Seismic Survey between 31st August 2021 and 31st August 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Chrysaor Petroleum

Company U.K Limited

 

5m

31/08/2021 - 31/08/2022

For 1 Day

30

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Pipeline Span - Dunbar to Alwyn: PL1043



Significant free-spans have been identified along the PL1043 Dunbar to Alwyn pipeline


Significant free-spans have been identified along the PL1043 Dunbar to Alwyn pipeline : Please exercise caution in these areas

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Plugged and Abandoned Well : Sween



Sween UKCS 3/30 : Abandoned Wellhead (3/30-7)


No overtrawlability trial done yet, rough ground may be experienced.

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Plugged and Abandoned Well : Balvenie



Balvenie UKCS 3/14: Abandoned Wellhead (3/14d-18)


No overtrawlability trial done yet, rough ground may be experienced.

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