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DSV Seven Pegasus - Marine Installation Activity (Blythe, Elgood and Thames Pipeline)



Diving and construction activities being undertaken by DSV Seven Pegasus around Blythe, Elgood and the Thames Pipeline. The vessel will be undertaking dive operations in the vicinity of Blythe, Elgood and the Thames Pipeline.  The vessel will perform various installation, tie-in, mattress laying and metrology activities using divers and ROV. All activities will be performed by the dynamically positioned Dive Support Vessel Seven Pegasus.


The vessel will be undertaking dive operations in the vicinity of Blythe, Elgood and the Thames Pipeline.  The vessel will perform various installation, tie-in, mattress laying and metrology activities using divers and ROV

 

All activities will be performed by the dynamically positioned Dive Support Vessel Seven Pegasus

 

Call-sign: A8SH2, MMSI: 636 014 212

LOA: 132 metres, Breadth: 22 metres

 

The vessel will be using twin diving bells to deploy the divers and the crane to manoeuvre and install subsea equipment.  The vessel will also be using a remotely operated vehicle (ROV) in the water.  These activities this will severely restrict her ability to manoeuvre.

 

During all diving operations, the vessel will be flying flag Alpha with restricted movement and unable to perform course changes or manoeuvring.

See detailed map on our bulletin website

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Survey - Golden Eagle Site Survey (Ref: 1265)



A 17.5 day geophysical site survey in Blocks 13/30, 14/26, 14/27, 14/28, 19/5, 20/1, 20/2, 20/3, 19/10, 20/6, 20/7 and 20/8. Using Vessel MV Kommandor between 20th August - 30th September 2021


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CNOOC Petroleum

 Europe Limited

Kommandor

N/A

20/08/2021 - 30/09/2021

For 17.5 Day

13, 14, 19, 20

See detailed map on our bulletin website

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Jack-up rig "Noble Hans Deul" (NHnD) at the Southwark Location



NHnD will be carrying well operation at the Southwark location. This operation covers two well operations at the Southwark.


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Geotechnical Site Survey - Block 41/5



Geotechnical Site Survey in block 41/5: 1 borehole and 3 CPT's.


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Removal of Rosebank Field Metocean Monitoring Buoys



Buoys that were installed at the end of 2019, are now planned to be recovered before the end of 2021 - latest indication is late October / early September for recovery. They include: 3 x metocean monitoring buoys in the Rosebank Field area and 3 x subsurface buoys at depths of 40m, 160m, and 630m.


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Leverett Site Survey



A rig site survey at the Leverett prospect in block 21/3d.


The purpose of the surveying work shall be to determine the seabed and geological conditions at the proposed well location and identify any geological, topographical, shallow gas hazards or environmental conditions which could impair the satisfactory emplacement of a drilling rig at the defined location and the subsequent drilling operations.

2D HR Seismic Survey

Sub-Bottom Profiler Pinger survey

Echo sounder Survey

Multi- Beam Survey

Visual Survey drop Camera

See detailed map on our bulletin website

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Penguins Field - Vessel Activity



Penguins Field Development - Bundle XT Tie-ins and DC2 Bundle XT Tie-ins, Gas Export & Tybalt Tie-ins, Leak Test and De-watering, Rockdumping


Seven Atlantic Vessel (Subsea 7) – De-Watering and Tie-Ins - Penguins Redevelopment Project - Infield 27/09/21 – Depart Field 25/11/21

  • DC2/DC3/DC4/DC5 Infield De-Watering and Controls Reconfiguration
  • Tie-In spools between Pan-W Towhead & DC2 Manifold
  • Tie-In spools between Pan-W Towhead & Pan-W XT
  • Pan-W Towhead & DC2 Manifold Controls Installation
  • PAN-W/DC2 Leak Test & Mattressing
  • DC3 Tie-Ins
  • DC7 Tie-Ins
  • Brownfield Scope – UT Checks

 

Rockdump Vessel (TBC) – Rockdumping - Penguins Redevelopment Project - Infield 14/10/21 – Depart Field 20/10/21

  • Reinstatement of rockdumping cover on DC4
See detailed map on our bulletin website

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Rig Move - Ocean Endeavor



The Ocean Endeavor (semi-submersible drilling rig) will be moving from the Gannet Field to the Penguins Field. The Ocean Endeavor (currently conducting drilling activities at Gannet) will be recovering anchors and movingto the Penguin field and deploying a 12 line anchor spread. The anchors will be pre-laid in advance and will be protected by a guard vessel before the rig arrives.


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Drilling Activity - Ocean Endeavor at Penguins (Tybalt)



The Ocean Endeavor (semi-submersible drilling rig) will be conducting drilling and completion operations at the Penguin field on the Tybalt well. The Ocean Endeavor will be drilling at the Penguin field for the first of a multiple well campaign. The total duration of drilling and completion activities is expected to last approximately 70 days.


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NEP Project Nearshore Environmental Survey



Titan Surveys will be undertaking Environmental Sampling in the Nearshore Areas for the NEP carbon capture project. The Titan Endeavour will be undertaking the Environmental Sampling Survey in the vicinity of Redcar and Easington in support of the NEP project. The vessel will be ensuring any sample location is clear of UXO risk with a magnetometer prior to deploying a drop down camera and grab sample at each of the 30 locations.


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Survey - Machar and Mungo Site Survey (Ref: 1298)



A 6 Day Machar and Mungo Site Survey using the Olympic Delta call sign: JWOH3 between 06 October 2021 - 14th October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Ocean Infinity

Olympic Delta

JWOH3

N/A

06/010/2021 - 14/10/2021

For 6 Days

23,22

See detailed map on our bulletin website

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Survey - Hewett Pipelines Nearshore Survey (Ref: 1296)



A 5 Day survey of the Hewett Pipelines Nearshore between 20th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

TBC

N/A

20/09/2021 - 31/12/2021

For 5 Days

48, 52

See detailed map on our bulletin website

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Rig Move - Deepsea Atlantic



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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Maintenance - York Field Platform 47/3a



Spirit Energy has contracted the Bibby Marine services’ WaveMaster 1 offshore support vessel to provide walk-to-work services at the Spirit Energy-operated York Field platform (a normally unmanned installation) located in the UK southern North Sea. The vessel is scheduled to mobilise in Great Yarmouth as soon as the 28th September 2021, and to arrive at the York field as soon as later that day, where it will be on location for approximately 17 days.


All activities (other than vessel transit) will take place within the HSE-recognised 500 m safety zone established around the platform. The WaveMaster 1 will be accompanied by an emergency response and rescue vessel while it is on station.

 

 

See detailed map on our bulletin website

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Rig Move - Valaris 122



The Valaris 122 (Jack-up drilling rig) will be moving from the Shearwater Field to the Jaws Field. The Valaris 122 will be jacking up at the new well location (open-water) in preparation for drilling and completion activities.


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Drilling Activity - Valaris 122 at Jaws



The Valaris 122 (jack up drilling rig) will be conducting drilling and completion operations at the Jaws field on the 22/12D-Jaws well. The Valaris 122 will be drilling at a standalone location in the Jaws field on a single well campaign. The total duration of drilling and completion activities is expected to last approximately 145 days.


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Deployment of FLiDAR buoys - Blyth NOAH met mast site



Fugro GM Marine Limited (Fugro) to carry out deployment of two floating LiDAR buoys at the NOAH mast offshore Blyth. The deployment of the equipment is planned for 30 September and equipment will remain on site for an estimated duration of 30 days. Deployment operations are expected to take one day. Operations will be conducted with the Tees Guardian call sign:2IJH2 and will involve towing the equipment from the Port of Blyth to the deployment site.


The equipment is an integrated Seawatch Wavescan buoy and ZX 300M LiDAR; the purpose of the equipment is to collect oceanographic and meteorological data using a single platform. The equipment is supplied and charged by an onboard power system which uses methanol fuel cells and solar panels to recharge onboard lead acid batteries.

The equipment is equipped with a F1 (5) Y 20 s light with 4-5 nautical mile range; the light is mounted at the top of one of the masts, approximately 4 m above sea level.  

See detailed map on our bulletin website

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Survey - Munro, Katy & Murdoch Fields (Ref: 1310)



A 6 Day site survey at Munro, Katy & Murdoch Fields using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

200m

2m

25/09/2021 - 31/21/2021

For 6 Days

44

See detailed map on our bulletin website

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Survey - Judy Riser Platform (Ref: 1309)



A 2 Day site survey at the Judy Rider Platform using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

N/A

25/09/2021 - 31/21/2021

For 2 Days

30

See detailed map on our bulletin website

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Survey - Hunter / Rita Site Survey (Ref: 1308)



A 6 Day site survey at Hunter / Rita using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

200m

2m

25/09/2021 - 31/21/2021

For 6 Days

44

See detailed map on our bulletin website

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Survey - Leverett Site Survey (Ref: 1316)



A 6 Day site survey at Leverett using the Vessel Ocean Resolution call sign: 3EIP9 between 3rd October 2021 - 31st January 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

1200m

3m

03/10/2021 - 31/01/2022

For 6 Days

21

See detailed map on our bulletin website

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Northern North Sea – Ninian Spur Line Survey 2



Kommandor (Call Sign: MCJ02) will be carrying out pipeline route inspection between Ninian Central Platform Start date = Current mob 29th September 2021. Duration expected to be approx. 6 Days to 4th October 2021.


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North North Sea – Ninian Spur Line Survey 1



Deep Vision (Call Sign: 2CVC8) will be carrying out pipeline route inspection between Ninian Central Platform. Start date = Current mob 26th September. Duration expected to be approx. 3 Days to 29th Sept 2021


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Survey - Orwell, Thames, Horne & Wren and Wissey Post-Decom (Ref: 1301)



A 4 Day Post-Decommissioning survey at Orwell, Thames, Horne & Wren and Wissey using the Vessel EGS Pioneer call sign: 2EGS9 between 13th September 2021 - 13th October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

EGS International Ltd

EGS Pioneer

2EGS9

N/A

13/09/2021 - 13/10/2021

For 4 Days

49, 50, 53

See detailed map on our bulletin website

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Survey - Freedom AUV Trials - Gryphon FPSO and Leadon



The Island Frontier (Call Sign: LAYE5) will be carrying out AUV Trial Surveys North of the Gryphon FPSO and at Leadon, in the vicinity of the areas noted below. Start date 15th September 2021. Duration expected to be approx. 14 Days to 29th September 2021


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Valaris 121 to Dunnottar Field



Chrysaor plan to move the Valaris 121 Jack-up drilling rig from the Talbot field location to the Dunnottar field location to perform drilling operations on the Dunnottar 30/08-D exploration well. Throughout well operations there will be a dedicated ERRV on location monitoring the surrounding sea area.


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Environmental Survey of Affleck Pipeline Route



The survey operation is to consist of a 21km route survey, centred along the route centreline and 250m either side area with, nominally, 5 survey lines.


Complete survey for geotechnical, bathymetric and seabed feature data for the pipeline design and installation contractors including geotechnical data relevant to planning and configuration of trenching and burial tools.

 

Complete To undertake an environmental seabed survey to investigate the ‘baseline’ or background condition of the seabed sediments and associated benthic faunal communities in the vicinity of the proposed pipeline to enable accurate measurement of future impacts from the development.  Specifically, the environmental survey should aim to assess:

    • Benthic faunal communities;
    • Sediment grain size;
    • Sediment chemistry (metal, hydrocarbons and organic content).

 

In addition, a habitat assessment shall be conducted to identify any potential Annex I habitats (EU Habitats Directive) and establish the occurrence of relevant Priority Marine Features (PMFs) in the survey area, such as habitats and species included on the OSPAR list of threatened and/ or declining species and habitats, in addition to those included in the UK Biodiversity Action Plan (UKBAP) Priority List and the Scottish Biodiversity List.

See detailed map on our bulletin website

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Survey - NW Schooner (Ref: 1303)



A 2 Day Site Survey at NW Schooner using the vessel Fugro Galaxy call sign: C6YY4 between 23rd September 2021 - 31st October 2021


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro (GB North) Marine Limited

Fugro Galaxy

C6YY4

N/A

23/09/2021 - 31/10/2021

For 2 Days

43, 44

See detailed map on our bulletin website

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Survey - Central North Sea Regional Survey (Ref: 1300)



A 62 Day Central North Sea Regional Survey using the vessels SW Amundsen call sign: 5BXE2, Tess call sign: YJUV8 and MV Scorpio ZDRF7 between 20th September 2021 - 30th November 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Shearwater GeoServices AS 

SW Amundsen

5BXE2

Tess

YJUV8

MV Scorpio

ZDRF7 

N/A

23/09/2021 - 30/11/2021

For 6 Days

19,20

See detailed map on our bulletin website

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ENI Liverpool Bay Vessel based ROV Inspection



Vessel based underwater ROV Inspections of ENI UK Liverpool Bay Assets. These will be conducted within the platform/tanker exclusion zones (500m for platforms. 800m for the Oil storage tanker). Vessel will transit between platform locations. Expected Duration: 15/09/2021 - 02/10/2021


James Fisher Marine Services would like to inform mariners that Vessel based ROV Inspections are due to commence on 15th September 2021 within the ENI UK Liverpool Bay Areas. These works involve; Inspection of the ENI platforms and the Oil Storage Tanker buoy and anchor chains by Remotely Operated Vehicle (ROV) operated from the EDT Jane

See detailed map on our bulletin website

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Pipeline and Well Survey - Hewett Field



Survey Vessel Polar Onyx call sign: LAQD7 and Vessel Isle of Jura call sign MFFY6 will perform pipelines/umbilical's and wells survey of the Hewett Field infrastructure from 13th September until 17th October 2021.


Vessel Polar Onyx, will complete Hewett field pipelines/umbilical's and susbea wells survey of the entire subsea infrasructure. Work consists of ROV operations, Multiple beam survey, pipe tracker / depth of burial survey.

 

Vessel Isle of Jura will carry out a nearshore 'export pipeline PL20 & PL21' survey. This will include a number of environmental grab sampling  will completed by the marine survey activities

See detailed map on our bulletin website

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Plugging and Abandonment - Ketch A Platform



The Rowan Gorilla (Valaris) V Jack-up rig is currently undertaking well Plugging and Abandonment (P&A) activities at the Ketch 'A' platform (Quad/Block 44/28; until the completion of P&A activities (Q4 2021).


In parallel, the existing Ketch 'A' analogue Aids to Navigation (AtoN) are to be replaced with a new Solar AtoN. 

 

For the period 1 Sept - 31 Oct 2021,  THREE60 has received dispensation (from  the Standard Marking schedule) to permanently isolate the Ketch 'A' analogue Aids to Navigation for installation of a new Solar AtoN.

 

For the period 1 Sept - 31 Oct 2021,  the existing AtoN on the Rowan Gorilla (Valaris) V Jack-up rig will continue to be in operation and the existing onsite EERV will be actively monitoring the 500m zone to mitigate the risk of ship collision. 

 

The RGV rig will remain at the Ketch 'A' platform until Q4 2021 following completion of the P&A scope and installation of the Solar AtoN. 

See detailed map on our bulletin website

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Deployment of Spherical Directional Waverider Buoy - Northern North Sea



Shell are planning on deploying a new wave buoy in the Northern North Sea at the end of August or early September. Colour: Yellow, Size: 0.9 diameter Fl 5 10s


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Safe Boreas accommodation vessel in Buzzard field



The Safe Boreas accommodation vessel is mobilising to the Buzzard field on April 18th 2021 for a maximum of 190 days


The Safe Boreas accommodation vessel is being located into the Buzzard field for the turnaround period, beginning on the 18th April 2021. The accommodation vessel will use dynamic positioning and will be located within the 500 m exclusion zone of the Buzzard Platform, and is expected to depart around 15/10/21. The Safe Boreas will be linked to Buzzard QU Platform via a gangway interface.

See detailed map on our bulletin website

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Decommissioning Activities – Plug and Abandonment (P&A) Activities on the Bessemer Installation



Planned Plug and Abandonment (P&A)  works are due to commence on the Bessemer (UKCS 49/23E). Works will be undertaken by the Jack up Barge 'Haeva' for a period of approximately 60 days.


The Jack up Barge Haeva, will depart from Galahad (UKCS 48/12BA) at 53°32.75'N 01°21.55'E  and transit to the Indefatigable Hub to the Bessemer Installation, where the planned Plug and Abandonment (P&A) will commence.

 

The P&A activity will take approximately 60 days and the Haeva is due to leave Bessemer around the 5th November 2021.

See detailed map on our bulletin website

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Survey - Bacton Nearshore Pipeline Inspection (Ref: 1306)



A 10 Day pipeline inspection survey between 15th September 2021 - 31st October 2021. Using the vessel Fugro Seeker Call sign: 2HCS2.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Seeker

2HCS2

 

15/09/2021 - 31/10/2021

For 10 Days

52

See detailed map on our bulletin website

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Survey - Potential Affleck Pipeline Route (Ref: 1297)



A 7 Day Potential Affleck Pipeline Route survey using MV Ocean Resolution call sign: 3EIP9 between 15th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

N/A

15/09/2021 - 31/12/2021

For 7 Days

30

See detailed map on our bulletin website

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Survey - Tolmount Platform (Ref: 1314)



A 2 Day survey at the Tolmount Platform using the Geo Ocean III call sign: LXGP between 20th September 2021 - 15th October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GEOxyz UK Limited

Geo Ocean III

LXGP

N/A

20/09/2021 - 15/10/2021

For 2 Days

42

See detailed map on our bulletin website

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Survey - Victor Area (Ref: 1312)



A 2 Day survey at the Victor Area using the Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

N/A

25/09/2021 - 31/12/2021

For 2 Days

49

See detailed map on our bulletin website

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Survey - Chestnut Field (Ref: 1280)



A 4 Day survey of the chestnut field using the Fugro Searcher call sign: 3EUY6 between 15th September 2021 - 31st October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Searcher

3EUY6

N/A

15/09/2021 - 31/10/2021

For 4 Days

22

See detailed map on our bulletin website

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Habitat assessment & environmental baseline survey



A habitat assessment and environmental baseline survey will be carried out by the vessel Ocean Reliance. Survey techniques to be used: Hull mounted Multi Beam Echo Sounder (MBES), towed side scan sonar buoy in water depths <500m, buoy towed 10m above seabed, maximum 1,700m behind vessel.  Sediment sampling using dual Van Veen garb. Seabed photography using drop camera.


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Pre-Decommissioning Environmental Baseline Survey - Chestnut Field



Spirit Energy will undertake a marine site (seabed) survey in the vicinity of the Hummingbird Floating, Production, Storage and Offload vessel that is currently located over the Chestnut field in the central North Sea using the Fugro-operated M.V. Fugro Searcher survey vessel. The planned survey area, which will extend over 19.25 km2, is located within Block 22/2a of the United Kingdom Continental Shelf. A combination of geophysical and environmental sampling techniques will be undertaken.


The M.V. Fugro Searcher will mobilise in Aberdeen as soon as the 21st September 2021. The survey is expected to take 4 days (not including any allowance for weather downtime).

 

The geophysical component of the survey will involve multibeam echosounder and sidescan sonar techniques with the vessel underway (but not towing any survey apparatus). The environmental component of the survey will involve seabed (benthic) sediment ‘grab’ sampling, and seabed photo/videography techniques being undertaken at approximately 30 stations (with the vessel stationary). 

See detailed map on our bulletin website

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Rig - Stena Spey



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


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Rig - Deepsea Yantai



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


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Rig - Transocean Endurance



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


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Rig - West Linus



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


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Rig - Erda



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


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Survey - Teal West, Teal Valve Skid, Anasuria FPSO



Fugro Galaxy will be surveying the areas Teal West, Teal Valve Skid, Anasuria FPSO from 1st October 2021.


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Maersk Highlander at Elgin WHP B



The jack-up rig Maersk Highlander is alongside Elgin WHP B – within 500m zone for the next 6 months (approximately)


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Survey - Area Test (Ref: 1284)



A 7 Day Area Test Survey between 13th September 2021 - 20th September 2021 using vessel Ocean Marlin call sign: LEEH


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Blue Ocean Seismic Services Limited

Ocean Marlin

LEEH

N/A

01/09/2021 - 31/10/2022

For 7 Days

34, 35

See detailed map on our bulletin website

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Decommissioning related activities – HCF / Topsides Dismantlement of the Amethyst B1D Installation



Planned HCF and Topside dismantlement works are due to commence on the Amethyst B1D Platform (UKCS 47/15a). The Jack up Barge will depart from Inde 23A and transit to the Amethyst field, where it will commence HCF/Topsides dismantlement operations. The work will continue on the Amethyst B1D location for approximately 104 days.


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Unmanned Bathymetry Surveys - NEP Project



3 XOcean Unmanned Vessels undertaking hull mounted bathymetry surveys. Vessels are 4.5m x 2.2m x 2.2m and are fully controlled via satellite 24 hours a day. All vessels will be using Hartlepool and Grimsby to transit in and out of for bad weather.


An unmanned survey operation to collect hull mounted bathymetry data using 3 vessels. The vessels are all fully controlled 24 hours a day using satellite communications. During periods of bad weather XOcean will use Hartlepool or Grimsby to transit to for shelter. The area of operation will cover the project area at Endurance and two proposed pipeline route corridors.

See detailed map on our bulletin website

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Survey - Hewett Pipelines (Ref: 1307)



A 5 Day survey of the Hewett Pipelines using the Vessel Isle of Jura call sign: MFFY6 between 1st September 2021 - 31st October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Isle of Jura

MFFY6

 

01/09/2021 - 31/10/2021

For 5 Days

48, 52

See detailed map on our bulletin website

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Seagull- Installation of Manifold and Umbilical



Installation of manifold at Seagull field via vessel. Trenching and installation of umbilical between Seagull and ETAP installation via vessel


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Survey - Solar and Corona Site (Ref: 1294)



A 8 Day survey at the Solar and Corona Site using the Vessel MV Kommandor call sign: MCJO2 between 6th September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Geosurvey Limited

MV Kommandor

MCJO2

1250m

3m

01/09/2021 - 15/11/2021

For 8 Days

9

See detailed map on our bulletin website

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Survey - MNSH Phase 2B (Ref: 1292)



A 51 Day site survey using the Vessel Akademik Nemchinov call sign: UETM between 1st September 2021 - 15th November 2021.


 

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GX Technology Eame Limited

Akademik Nemchinov

UETM

6000m

8m

01/09/2021 - 15/11/2021

For 51 Days

43, 44

See detailed map on our bulletin website

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Survey - EIG Well VSP (Ref: 1288)



A 2 day survey at EIG Well VSP between 1st September 2021 - 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Totalenergies E&P UK Limited

N/A

N/A

01/09/2021 - 31/12/2021

For 2 Days

22

See detailed map on our bulletin website

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Survey - Area Test CHIRP (Ref: 1289)



A 7 Day area test survey using the Vessel Fugro Venturer call sign: C6CG3 between 1st September 2021 - 31st October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Venturer

C6CG3

N/A

01/09/2021 - 31/10/2021

For 7 Days

13

See detailed map on our bulletin website

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Rig - Deepsea Nordkapp



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


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Rig - Maersk Invincible



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


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Rig - West Phoenix



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


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Survey - Brent Pipeline Survey



Shell plans to conduct a geophysical and geotechnical survey in the Brent area around the pipelines of Brent platforms and in the area around the pipeline between Brent C and Comorant A.


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Leak Detection and Repair - Eris/Ceres Field



The Boka Polaris, Dive Support Vessel (DSV) will be conducting leak detection and repair activities in the Eris/Ceres field areas in UKCS blocks 47/8 and 47/9. Mobilisation is currently planned on or around 3rd September 2021 and the operation is expected to last for a total period of up to 11 days. This schedule is subject to change depending on operational requirements.


The Boka Polaris, Dive Support Vessel (DSV) will be conducting leak detection and repair activities in the Eris/Ceres field areas in UKCS blocks 47/8 and 47/9.  Mobilisation is currently planned on or around 3rd September 2021 and the operation is expected to last for a total period of up to 11 days.  This schedule is subject to change depending on operational requirements.  All activity will be conducted within existing 500m zones of subsea infrastructure and there will be no towed equipment.  The DSV will be stationary over the infrastructure while the operations are taking place.  

See detailed map on our bulletin website

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Rig move - Ensco 92 to Mimas MN field



Chrysaor plan to move the Ensco 92 Jack-up drilling rig from the Boulton HM field location to the Mimas MN field location to perform abandonment operations on the Mimas MN 48/09a-N1 development well.


Destination:

 

Mimas MN 48/09a-N1 development well

53° 45' 46.51" N

1° 42' 21.95" E

 

Throughout well abandonment operations there will be a dedicated ERRV on location monitoring the surrounding sea area.

See detailed map on our bulletin website

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Wellhead Removal - Lancaster 4z



Decommissioning of the Lancaster Wellhead from 1st October 2021 until 30th November 2021.


  • Transit to Lancaster.
  • Perform ROV as found survey
  • Connect rigging equipment to wellhead protective structure (WHPS).
  • Recover WHPS to vessel.
  • Deploy and engage cutting tool on wellhead
  • Perform wellhead cut 10ft below seabed.
  • Recover cutting tool and wellhead.
  • Perform ROV as left survey.
  • Demobilise vessel.
See detailed map on our bulletin website

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Oil and Gas Debris - Whirlwind wellhead location



Debris present at the whirlwind well location are: Deadman anchor, fishing nets, gratings and Chicksan pipework. Plans to recover these in October 2021.


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Rig - Maersk Reacher



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 7



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


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Rig - Valaris 72



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


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Rig - Swift 10



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


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Rig - Maersk Integrator



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


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Pipeline Tie-Ins - Buzzard Field



The Seven Pegasus dive support vessel (DSV) is planned to mobilise on 20 August 2021 and commence work on 21 August 2021 to complete subsea tie-ins at the Buzzard Platform and the Buzzard northern terrace manifold. These works are expected to conclude by 6 October 2021.


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Survey - Leman 49/27B Debris Survey



PUK plan to undertake a debris survey at the Leman 49/27B installation. The earliest potential inspection date is the 20th August 2021 and latest completion date of 30th September 2021. Expected duration is 7 days. The Geo XYZ survey vessel Geosurveyor XI will complete the inspection.


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Survey - Leman 49/27C Debris Survey



Geosurveyor XI to carry out a debris survey at Leman 49/27C. PUK plan to undertake a debris survey at the Leman 49/27C installation. The earliest potential inspection date is the 20th August 2021 and latest completion date of 30th September 2021. Expected duration is 7 days. The Geo XYZ survey vessel Geosurveyor XI will complete the inspection.


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Survey - Wollaston 42/28a Debris Survey



Geosurveyor XI to undertake debris survey operations. PUK plan to undertake a debris survey at the Wollaston 42/28a subsea installation. The earliest potential inspection date is the 20th August 2021 and latest completion date of 30th September 2021. Expected duration is 7 days. The Geo XYZ survey vessel Geosurveyor XI will complete the inspection.


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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

See detailed map on our bulletin website

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Survey - Orlando ROV Integrity Inspection (Ref: 1293)



A 1 Day ROV Integrity Inspection of the Orlando area using the MV Deep Vision call sign: 2CVC8 between 18th August 2021 - 24th September 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Deepsea Ocean AS

MV Deep Vision

2CVC8

N/A

18/08/2021 - 24/09/2022

For 1 Day

3

See detailed map on our bulletin website

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Rig Move - Askepott



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


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Rig - Borgland Dolphin



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


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Maersk Resolve at Breagh A



The Maersk Resolve will be on location at the Breagh platform (42/13a) from 6th August 2021 until 31st December 2021


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Survey - Victor JM (Ref: 1283)



A 1 Day survey at the Victor JM using the Fugro Venturer call sign: C6CG3 between 6th August 2021 - 30th September 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Venturer

C6CG3

N/A

06/08/2021 - 30/09/2022

For 1 Day

49

See detailed map on our bulletin website

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Drilling - Bunter Outcrop Borehole (Ref: 1285)



A 45 Bunter Outcrop Borehole Drilling From 20th August 2021 until 31st October 2021 using Rig Valaris 72


Company Rig

Towed Cable

Length & Depth

Duration Survey Block

Valaris

Valaris 72

N/A

22/08/2021 - 31/10/2022

For 45 Days

43

See detailed map on our bulletin website

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Survey - Orlando Well (Ref: 1282)



A 6 Day survey of the Orlando Well using the Fugro Venturer call sign: C6CG3 between 22nd August 2021 - 30th September 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Venturer

C6CG3

N/A

22/08/2021 - 30/09/2022

For 6 Days

3

See detailed map on our bulletin website

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Survey - NEP Nearshore Integrated Site Survey (Ref: 1279)



A 10 day NEP Nearshore Integrated Site Survey Survey. Using Vessel Titan Endeavour call sign: 2ELT9 between 18th August - 30th September 2021


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Titan Environmental Surveys Limited

Titan Endeavour

2ELT9

N/A

18/08/2021 - 30/09/2022

For 10 Days

42, 47, 46, 40, 41

See detailed map on our bulletin website

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Survey - NW Schooner wellhead (Ref: 1278)



A 2 Day survey at the NW Schooner Wellhead using vessel Glomar Wave call sign: 3FXF4 between 20th August - 30th September 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Rovco

Glomar Wave

3FXF4

N/A

20/08/2021 - 30/09/2022

For 2 Day

44

See detailed map on our bulletin website

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Umbilical Exposure - Blythe and Elgood



Short section of Umbilical exposed on seabed. An umbilical has been laid and trenched between Blythe and Elgood. However, there has been found to be a short section of exposure on the umbilical. A safety vessel, Esvagt Champion, has been assigned to monitor the area to advise vessels to keep clear until remediation can be undertaken. The vessel will keep a listening watch on Channel 16 throughout, and request vessels to keep clear.


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Rig - West Bollsta



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


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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.

 

 

See detailed map on our bulletin website

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Rig - Irish Sea Pioneer



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


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Rig - Prospector 1



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


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Rig Move - Maersk Resilient



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


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Abandoned Well - 49/12-2



No structures left on the seabed – decommissioned fully.


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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

See detailed map on our bulletin website

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Rigmove - Seafox 4



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


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Survey - CHIRP Survey (Ref: 1274)



A 16 Day Site Survey From 15th August 2021 until 30th November 2021 using vessel Havila Subsea call sign: LGSY.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

MMT Sweden

Havila Subsea

LGSY

 

15/08/2021 - 30/11/2021

For 16 Days

211

See detailed map on our bulletin website

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Survey - CHIRP Survey (Ref: 1273)



A 16 Day Site Survey From 15th August 2021 until 30th November 2021 using vessel Havila Subsea call sign: LGSY.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

MMT Sweden

Havila Subsea

LGSY

 

15/08/2021 - 30/11/2021

For 16 Days

211

See detailed map on our bulletin website

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WilPhoenix MODU - Fotla Field



Wilphoenix MODU will be drilling in the Fotla field for Ithaca Oil and Gas Limited for approximately 90 days from 28th July until 25th October 2021.


Ithaca Oil and Gas Limited is planning to drill an exploration well into the Fotla reservoir to validate the geophysical interpretation of reservoir properties from seismic analysis.  Depending on initial findings, an appraisal programme will be carried out via up to two well sidetracks, with a third contingency sidetrack.  Fotla is located in Block 22/1b in the central North Sea, approximately 176km from the Scottish mainland (Peterhead), 46km from the UK/Norway median line in water depths of ca. 130m.

 

The rig will be onstation for aproximately 90 days.

See detailed map on our bulletin website

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Ocean Endeavor Drilling Activity



The Ocean Endeavor drilling rig will be transiting from the Arran North Field, to the Gannet Field on approx. 21st July 2021. It is expected to be fully moored on location on the 24th July 2021. Drilling activities will continue for approx. 60 days.


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Rig - Ocean Patriot



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


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New Safety Zone: Buzzard Field Northern Terrace Manifold



Safety Zone Now Active OR New Safety Zone. The Buzzard Field ‘Northern Terrace Manifold’ has now been installed on the seabed. This now means the 500m Safety Zone is now in force. This Safety Zone is on the latest FishSAFE v42.


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Survey - Regional Survey (Ref: 1198)



81 day regional survey between the 15th April 2021 - 31st Oct. Using vessels SW Amundsen call sign: 5BXE2, support vessels MV Scorpio call sign: ZDRF7 & Tess sign: YJUV8, Amazon Conqueror call sign: 3EBI3, Astra-G call sign: HP8210 & Mainport Pine V7ZH7.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater GeoServices AS

SW Amundsen

5BXE2

MV Scorpio

ZDRF7

Tess

YJUV8

Amazon Conqueror

3EBI3

Astra-G

HP8210

Mainport Pine

V7ZH7

 

8100m

18m

15/04/2021 - 31/10/2021

For 81 Days

210, 211

See detailed map on our bulletin website

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New Suspended Wellhead - 42/28d - 16



Suspended wellhead structure on seabed.


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Tolmount Development Area



Notice to alert sea users to the ongoing drilling activity of the Valaris 123 Jackup Drilling Rig at the Tolmount Platform in Block 42/28d .


The Tolmount minimum facilities platform has been installed on behalf of the Tolmount Development Project (comprising Premier Oil UK Limited, ODE Asset Management Limited and Humber Gathering System Limited (HGSL)) in UKCS Block 42/28d and an ERRV remains on location in field. 

 

The Valaris123 Jackup Drilling Rig is in position over the Tolmount platform, with drilling operations underway.  Drilling activity is planned for approximately 12 months (subject to further Kingfisher bulletins).  The Valaris 123  suspended NE well on 13th July 2021 and skidded to the SW well on 14th July 2021 to re-enter the SW well and will drill to completion.

 

Please note that an Offshore Development Area has also been requested for the Tolmount Development Project work.

See detailed map on our bulletin website

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Rigmove - Valaris 121



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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Decommissioning Project - Millar Platform



The Millar platform has been removed and all 500m zones revoked, all that is left on the seabed are 4 jacket footings which rise up to 22m from the seabed posing a significant snagging hazards.


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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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Rig - Valaris 92



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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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.

See detailed map on our bulletin website

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Danger to Fishing - Claymore Scapa Template



Fishing activity has been observed within a 500m Safety zone at Claymore Scapa template.


Note fishing has been observed over subsea infrastructure including 40m L x 35m W x 11H Template structure that is within a 500m Safety zone.

 

The safety zone is to protect all parties and is a legally restricted area that can only be entered under Special Circumstances;

             1. To attempt to save a life or property,

             2. Owing to bad weather ,

             3. When in distress.

All vessels including fishing vessels must not fish within or transit over the 500m safety zone.

See detailed map on our bulletin website

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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 will NOT be verified by overtrawl survey.


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Well Guideposts - Schiehallion Loyal Field



The LW17 well within the Schiehallion Loyal field has been left with 4 Guideposts attached to the structure which extend approx. 7.5m above seabed. The well is within the Loyal 500m safety zone but the guideposts will pose a significant hazard to fishing.


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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.

See detailed map on our bulletin website

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Dropped steel cage/basket (West of Shetland)



A steel cage has been dropped from a fishing vessel following snagging and partial recovery. The cage is metal in construction and appears to be from the oil & gas industry. Dimensions: 1.7m x 1.7m x 1.6m (height). Weight: 132kg (in water); 575kg (in air)


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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.

See detailed map on our bulletin website

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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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Suspended Wellhead : Affleck 30/19-1



Suspended wellhead structure on seabed.


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Pile Installation - Penguins Field



A number of items will be left installed/wet stored on the seabed around the Penguins Field. Pile Fast Frame (together with pile stick-up) 8 x piles (completed with multiple clay protrusions/blocks) 9 x chains (210m long, 177mm diameter).


Details of Seabed - West Cluster

Pile No Location Clay plugs at pile location
1 61°35.020'N    01°31.070'E  1.30m height x 2.5 dia.
2 61°34.990'N    01°31.070'E 2.00m height x 2.5 dia.
3 61°35.020'N    01°31.060'E 1.50m height x 2.5 dia.
4 61°35.050'N    01°31.070'E 1.50m height x 2.5 dia.

Note: 210m of 177mm dia. chain has been laid on seabed at each location towards the FPSO centre.

 

Details of Seabed - North East Cluster

Pile No Location Clay plugs at pile location
5 61°35.550'N    01°33.430'E 1.30m height x 2.5 dia.
6 61°35.540'N    01°33.470'E 2.00m height x 2.5 dia.
7 61°35.520'N    01°33.510'E 1.50m height x 2.5 dia.
8 61°35.510'N    01°33.550'E 1.50m height x 2.5 dia.

Note: 210m of 177mm dia. chain has been laid on seabed at each location towards the FPSO centre.

 

Details of Seabed - Southern Cluster

Pile No Location Comments
9 61°34.450'N    01°33.500'E

Fast frame is currently located at pile location 9 (11.85m x 11.70m x 30m

Note: 30m pile is installed in this fast frame

See detailed map on our bulletin website

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Leadon Area – Possible Trawl Hazards



Six small structures (approx. 0.5m high x 1.5m long and 0.6m across) were located on the top of the disused Leadon Bundles in UKCS Block 9/14. These small structures are located at the points listed.


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Topsides and Jacket Removal - Brent Alpha Platform



Brent Alpha Platform (topsides and jacket) have been removed. The Jacket footings protrude 55.24m metres above the seabed. There is no longer a Safety Zone around the Brent Alpha remaining structure.


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Ninian North jacket



Top of Ninian North jacket 6m above sea level - no navaids or lights


The topsides has been removed from the Ninian North installation, leaving the jacket structure still in place. The top of the structure is approximately 6 metres above sea level. With the removal of the topsides, the remaining jacket structure is unlit and is not fitted with any navaids; cardinal buoys are located to the East & West.

See detailed map on our bulletin website

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Exposed Cable - Tampnet Fibre Optic Cable - Penguins (UK) - Snorre A (NOR)



Please be advised that the installation of the Tampnet fibre optic cable is still ongoing and that there is currently approximately 4.5km of EXPOSED CABLE on the seabed. We advise all seafarers and fishermen to keep clear of using any bottom equipment.


Please be advised that the installation of the Tampnet fibre optic cable is still ongoing and that there is currently approximately 4.5km of EXPOSED CABLE on the seabed as per attached drawing. We advise all seafarers and fishermen to keep clear of using any bottom equipment that might interact and damage the cable in vincinity of the route. We are also broadcasting and raising awareness from land and nearby guard vessels to all fishermen approaching the cable route. The installation is expected to be ongoing until mid September. 

See detailed map on our bulletin website

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Exposed Pipelines - Scott Field



Pipelines in CNOOC’s Scott field have experienced upheaval bucking. As a result, in three locations, pipelines are now exposed and present a significant snagging hazard. Sea users are strongly advised to avoid these locations.


Detailed below, to avoid hazardous interaction with these sections of exposed pipeline, pending the execution of mitigation works.

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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.

See detailed map on our bulletin website

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MacCulloch Area – Location of Donan (Dumbaton/GP3) Gas Export Tie-In Skid



Post decommissioning of the MacCulloch FPSO / Field in UKCS Block 15/24, a Guard Vessel is no longer in position at the location of the Tie-In Skid at MacCulloch 


After the decommissioning of the MacCulloch FPSO / Field in UKCS Block 15/24, a Guard Vessel is no longer in position. 

 

The Donan (Dumbarton) Field, located in UKCS Block 15/20, has an out of use Gas Export pipeline (PL2324) which is still connected to a Tie-In Skid located within the previous MacCulloch subsea 500m zone. 

 

Please be aware that this subsea Tie-In Skid remains in place at this location.  The structure has been notified and recorded on the NDR / FishSafe websites since 2006/07, but has been previously monitored by the guard vessel.

 

See detailed map on our bulletin website

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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.

See detailed map on our bulletin website

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Plugged and Abandoned Well : Alwyn South



Alwyn South UKCS 3/9 : Abandoned Wellhead (3/9a-11)


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

See detailed map on our bulletin website

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Survey - Gannet E04 rig site survey (Ref: 1268)



A 7 Day rig site and environmental survey at Gannet 04 rig site from 25th July 2021 until 30th September 2021 using vessel: Fugro Galaxy call sign: C6YY4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Galaxy

C6YY4

1300m

3m

30/06/2021 - 30/09/2021

For 5 Days

21

See detailed map on our bulletin website

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Survey - Schiehallion Foinaven Environmental (Ref: 1255)



A 5 Day Area Survey for Schiehallion Foinhaven from 30th June 2021 until 30th September 2021 using vessel: Ocean Geograph call sign: 3FXF3


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline

Ocean Geograph

3FXF3

 

30/06/2021 - 30/09/2021

For 5 Days

204

See detailed map on our bulletin website

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Survey - Evelyn to Triton Umbilical Route (Ref: 1267)



A 1 Day Evelyn to Triton Umbilical Route from 25th July 2021 until 30th November 2021 using vessels: Fugro Galaxy call sign: C6YY4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Galaxy

C6YY4

N/A

25/07/2021 - 30/11/2021

For 1 Day

21

See detailed map on our bulletin website

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Survey - Devils Hole - NP21DHH3DS (Ref: 1262)



A 70 Day Site Survey From 19th July 2021 until 31st October 2021 using vessels: Akademik Primakov call sign: UBCQ4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

TGS Geophysical Company (UK) Limited

Akademik Primakov

UBCQ4

7200m

19/07/2021 - 31/10/2021

For 70 Days

19,20,21,26,27,28

See detailed map on our bulletin website

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Survey - CATS pipeline nearshore survey (Ref: 1258)



A 3 Day CATS pipeline nearshore Survey From 1st July 2021 until 30th September 2021 using vessel Humber Guardian call sign: 2ENC3


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

UTEC

Humber Guardian

2ENC3

N/A

01/07/2021 - 30/09/2021

For 3 Days

40

See detailed map on our bulletin website

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New Safety Zone: Evelyn Wellhead, Evelyn, Block 21/30



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 28th June 2021.


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.

See detailed map on our bulletin website

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New Safety Zone: Everest 22/10a-LAD, Block 22/10a



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 28th June 2021.


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.

See detailed map on our bulletin website

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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 - Maersk Resolute



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


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Survey - Talbot Appraisal Well (Ref: 1233)



A 1 Day Talbot Appraisal Well Survey From 1st July 2021 until 31st December 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Chrysaor Petroleum Company UK Ltd

N/A

5m

01/07/2021 - 31/0912/2021

For 1 Day

30

See detailed map on our bulletin website

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Survey - NEP Pipeline Routing and Endurance Store (Ref: 1252)



A 70 Day route survey NEP Pipeline Routing and Endurance Store . From 24th June 2021 until 24th September 2021. Using the vessel Ocean Geograph Call sign: 3FXF3


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline

Ocean Geograph

3FXF3

 

24/06/2021 - 24/09/2021

For 70 Days

42,43,40,41,47

See detailed map on our bulletin website

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Survey - Garten Debris Survey (Ref: 1254)



A 1 Day Garten Debris survey. From 14th June 2021 until 30th September 2021. Using the vessel Fugro Galaxy Call sign: C6YY4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Galaxy

C6YY4

 

14/06/2021 - 30/09/2021

For 1 Day

9

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Drilling - Blythe 48/23a-H1



Petrofac Facilities Management Ltd (PFML) propose to drill and complete a production well at the Blythe well location, commencing from 14th June 2021 for 79 days. The operation is however permitted for between the 14th June 2021 till 31st October 2021.


The drilling operation will be carried out by Noble Hans Deul drilling rig.   

See detailed map on our bulletin website

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Survey - Pipeline Salvage Operations PL24(Ref: 1211)



A 55 Day Pipeline Salvage Operations PL24 between 28th May - 30th September 2021. Using vessel Olympic Delta call sign: JWOH3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Perenco UK Limited

Olympic Delta

JWOH3

2m

5m

28/05/2021 - 30/09/2021

For 55 Days

53

See detailed map on our bulletin website

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Survey - PL23 pipeline survey (Ref: 1249)



A 40 Day pipeline survey PL23 from 10th June 2021 until 30th September 2021. Using the vessel Olympic Delta Call sign: JWOH3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Reach Subsea

Olympic Delta

JWOH3

 

10/06/2021 - 30/09/2021

For 40 Days

48

See detailed map on our bulletin website

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Survey - PL22 pipeline survey (Ref: 1248)



A 40 Day pipeline survey PL22 from 10th June 2021 until 30th September 2021. Using the vessel Olympic Delta Call sign: JWOH3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Reach Subsea

Olympic Delta

JWOH3

 

10/06/2021 - 30/09/2021

For 40 Days

49

See detailed map on our bulletin website

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Survey - PL106 ROV pipeline survey (Ref: 1250)



A 40 Day ROV pipeline survey PL106 from 10th June 2021 until 30th September 2021. Using the vessel Olympic Delta Call sign: JWOH3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Reach Subsea

Olympic Delta

JWOH3

 

10/06/2021 - 30/09/2021

For 40 Days

49

See detailed map on our bulletin website

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Survey - PL24 pipeline survey 2021 (Ref: 1247)



A 40 Day pipeline survey PL24 2021 from 10th June 2021 until 30th September 2021. Using the vessel Olympic Delta Call sign: JWOH3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Reach Subsea

Olympic Delta

JWOH3

 

10/06/2021 - 30/09/2021

For 40 Days

53

See detailed map on our bulletin website

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Survey - Central North Sea (Ref: 1241)



A 135 Day site survey Central North Sea 15th June - 31st October 2021. Using vessel Akademik Primakov call sign: UBCQ4.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GX Technology Eame Limited

Akademik Primakov

UBCQ4

Support Vessel 1&2 TBC

7000m

10m

15/06/2021 - 31/10/2021

For 135 Days

20,21,27,28

See detailed map on our bulletin website

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Decommissioning - Buchan & Hannay Subsea Removals Project 9b



Subsea removal activity as per the Buchan & Hannay decommissioning programme - Q2/Q3 2021.


Please be advised that Repsol Sinopec Resources UK Limited (RSRUK) intend to carry out subsea removal & remediation works in the Buchan & Hannay fields during Q2/Q3 this year, commencing on the 1st June 2021.

 

The intention is to execute this works over two campaigns: •    Campaign 1 – mobilising 1st June for approximately 20 days  •    Campaign 2 – mobilising 10th August for 40 days

 

Summary of the Offshore Scope, in accordance with the approved decommissioning programme is: •    Rigid pipelines removal (13.5km); •    Flexible Pipelines / Umbilical removal (15.6km); •    Subsea structures removal (215Te); •    Rigid tie-in spool-pieces removal (67Te); •    Flexible jumpers/umbilical jumpers removal (0.47km); •    Deposits removal (866Te); •    Debris removal (five grid zones); •    Rigid pipelines & Umbilical Ends remediation (1.45km of remediation).

 

This infrastructure is contained with the Buchan & Hannay fields, with a large proportion of the works being focused around the Buchan template 500m subsea safety zone.  The coordinates for the area are:   A small part of the works (2-3 days) will take place the Forties Charlie end of the Buchan export pipeline, within the Forties Charlie 500m zone.

The work will be carried out using Construction Support Vessel’s (CSV), support by WROV.  

 

Pipeline Works Authorisation variation and supporting permits are currently in the approval process.  

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Glengorm Central Appraisal Well



The Borr Prospector 5 Heavy Duty Jack Up Rig will be positioned at the Glengorm Central appraisal well location 22/21c-C.


The Works shall comprise the location of the following mobile installation:

 

The mobile drilling unit (MoDU) - PR5 (Prospector 5)

 

The Works shall be located at:

57 10' 05.97"N 01 05' 27.27"E

 

Quad/Block - 22/21c

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Survey - Culzean Wells Site Survey(Ref: 1204)



A 14 Day Site Survey at the Culzean Wells between 1st May - 31st October 2021.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North Sea UK Limited

N/A

2m

5m

01/05/2021 - 31/10/2021

For 10 Days

22

See detailed map on our bulletin website

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Survey - Debris Survey Buckland Drilling location (Ref: 1221)



A 2 Day Debris Survey Buckland Drilling location between the 4th May 2021 - 31st October. Using the vessel Fugro Galaxy Call sign: C6YY4.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Galaxy

C6YY4

N/A

04/05/2021 - 31/10/2021

For 2 Days

9

See detailed map on our bulletin website

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Rig - Noble Sam Turner



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


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Survey - Seabed Debris Garten Drilling Location (Ref: 1152)



A 1 day Seabed debris survey covering the anchor pattern of a semi-submersible rig at the Garten drilling location. Using the vessel Fugro Galaxy Call sign: C6YY4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Galaxy

C6YY4

N/A

07/11/2020 - 30/09/2021

For 1 Day

9/13,14,18

See detailed map on our bulletin website

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Rig - Transocean Equinox



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


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Safe Caledonia at Elgin PUQ



The Flotel Safe Caledonia is alongside ELGIN PUQ – within 500m zone.


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

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Rig Movement - Safe Caledonia



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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Rig - COSL Innovator



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


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Survey - East Orkney Site Survey (Ref: 1206)



A 6 Day East Orkney Site Survey between the 9th April 2021 - 30th September. Using the vessel Geo Ocean III Call sign: LXGP.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GEOxyz UK

Geo Ocean III

LXGP

150m

3m

09/04/2021 - 30/09/2021

For 6 Days

6,7,12,13,14

See detailed map on our bulletin website

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Pipeline Flushing and Riser Decommissioning - Balmoral Area



Premier Oil’s project to flush & disconnect the Greater Balmoral Area subsea infrastructure and removal of associated risers in relation to the float-off of the Balmoral FPV will be undertaken between 28th February and 31st December 2021.


Locations Coordinates
Balmoral FPV & Template

58°13.727'N 001°06.427'E

Tap Valve No.3 (Forties Pipeline System) 58°06.622'N 001°09.449'E
Balmoral Satellite Well B29 58°15.127'N 001°03.323'E
Balmoral Satellite Well A2 58°13.970'N 001°07.953'E
Brenda Drill Centre 58°11.763'N 000°58.407'E
Brenda Umbilical cut point 58°13.810'N 001°06.318'E
Nicol Drill Centre 58°14.908'N 000°50.812'E
Stirling 20z Well 58°14.010'N 001°08.063'E
Glamis A26 Well 58°10.695'N 001°01.045'E
Glamis A27 Well

58°10.308'N 001°04.168'E

Burghley WH1 Well 58°16.052'N 001°14.148'E
Beauly Well 58°11.028'N 001°07.632'E

 

See detailed map on our bulletin website

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Rig - Maersk Intrepid



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


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Rig - Rowan Stavanger



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


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Rig - Ensco 120



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


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Rig - 590021



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


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Rig - Transocean Spitsbergen



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


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Rig - Valaris Gorilla VI



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


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Rig - Rowan Viking



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


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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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Rig - Valaris 123



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


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