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Benthic Surveys - Hynet CCS and Conwy to Douglas Oil Spill



Please be advised that from the 10th October 2022 Ocean Ecology Ltd will be undertaking underwater camera and seabed grab surveys within the Liverpool Bay area. The surveys will be undertaken on behalf of Eni UK Limited as part of their HyNet Carbon Dioxide Transport and Storage project offshore as well as partial and full decommissioning of some of their existing oil and gas infrastructure in Liverpool Bay.


The surveys will employ a drop-down video system, water sampler and sediment grabs to obtain samples of the seabed. The works will be completed by personnel from OEL on the vessel ‘Argyll Explorer’. The survey operations do not involve towed survey equipment.

See detailed map on our bulletin website

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Galapagos Well Plug & Abandonment (211/27a-14) - North North Sea



Galapagos appraisal well decommissioning and removal. Block/quadrant - 211/27 (North North Sea)


As part of planned well decommissioning activities using the Olympic Challenger (Offshore Construction Vessel), and on behalf of Fraser Well Management (Well Operator) - the Galapagos appraisal well (211/27a-14) will be plugged and abandoned.

 

Although partial well removal was completed 01/11/22 - the vessel is expected to return to location to complete abandonment works between 27/11/22 & 30/12/22. 

 

Olympic Challenger call sign - LAZQ7

See detailed map on our bulletin website

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Shallow Pipeline Protection - Bittern W/Inj PL1650 & Gas Lift PL1649



The 12-inch water injection pipeline PL1650 and piggybacked 4-inch gas lift pipeline PL1649 are in an approximately 1m deep seabed crater and covered by grout bags.


The 12-inch water injection pipeline PL1650 and piggybacked 4-inch gas lift pipeline were in freespan for approximately 10 metres with a span height of approximately 1 metre. The freespan has been filled with grout bags and the pipelines covered as far as practibale by divers. 

 

An approximately 1m deep crater remains and the pipeline protection is now diver placed grout bags. 

See detailed map on our bulletin website

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Apache "Diving Operations in the Beryl Area"



Apache North Sea will be carrying out diving operations from the DSV Seven Atlantic in the Beryl area for 28 days, commencing early to mid -February 2023. Tie-in new Well to the Buckland Northern Drill Centre, i.e. laying spools, flexibles and control lines between Buckland NDC and the new Well "BKSW" using the DSV Seven Atlantic. 


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Abbey site and pipeline route survey



The GeoOcean III will perform a geophysical, geotechnical and environmental site and pipeline route survey, focusing of the Abbey field in Block 47/3.


Working on behalf of Petrogas North Sea Ltd, the GeoXYZ operated Geo Ocean III offshore survey vessel will carry out a geophysical, geotechnical and environmental survey in the southern North Sea.  This survey will focus on an area of the Abbey field in Block 47/3 and a future pipeline route corridor to the nearby Tolmount platform.  This survey will include geophysical data acquisition, utilising 2D high resolution seismic, sub-bottom profiling (pinger, sparker and mini air gun), multibeam echosounder, sidescan sonar, and magnetometer.  Geotechnical (vibrocore and CPT) and environmental (grab and dropdown video) seabed samples will be collected across the same area.  It is currently expected that this survey will commence around 1 December 2022 and take between 10 and 20 days to complete, dependent on weather conditions. 

See detailed map on our bulletin website

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Survey ROV - Sean platform to Bacton



IRM ROV pipeline survey by Atlantis Dweller - Survey the P311 gas export pipeline from the Sean platform to Bacton from 3rd December 2022 to 8th December 2022.


Marine survey operations will be completed by the Atlantis Dwellerat at Sean Papa SSIV, and along the Sean Field to Bacton pipeline (PL311) from the date 03rd December 2022  The proposed survey operations multipurpose survey vessel and are expected to last approximately 5 days.  The survey will include:-  Pipeline inspection with ROV of Sean Papa to Bacton 30” pipeline operated by ONE-Dyas in the UK sector. ROV will be equipped with Multibeam, Pipe tracker and Video cameras

 

  • Sean PP to Bacton 30” Pipeline (107 Km)
  • Sean SSIV Umbilical
See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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Rig Move – Ensco 92 to Boulton BM Field



Harbour Energy plan to move the Ensco 92 Jack-up drilling rig from the Victor JM filed to the Boulton BM field location to perform abandonment operations on the Boulton BM 44/21a-B1Z, 44/21a-B2Y, 44/21a-B3 and 44/21a-B4 development wells.


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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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 - 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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Finlaggan F3 Well Operations



Drilling Operations at the Finlaggan Manifold using the Transocean Paul B Lloyd Junior (PBLJ) MODU. PFML plan to drill the Finlaggan F3 well using the PBLJ semi - submersible drilling rig with operations commencing approximately 14th December 2022. The operations are expected to be concluded by the end Q1 2022


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Drilling Activity - Valaris 122 at Orlov



The Valaris 122 (jack up drilling rig) will be conducting drilling operations at the Orlov field on the 22/08a-E Orlov well. The Valaris 122 will be drilling at a standalone location in the Orlov field on a single well campaign. The total duration of drilling and completion activities is expected to last approximately 156 days.


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

See detailed map on our bulletin website

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Open Water Plug and Abandonment Well Intervention Campaign



Well intervention operations are taking place at the Maria, Mustard, Mable and 2 x Huntington wells which will consist of two operational phases. •    Phase 1 - Abandonment preparation from the Helix Seawell LWIV  •    Phase 2 - Wellhead and casing severance and recovery from the Helix Well Enhancer LWIV


Well intervention operations are taking place at the Maria, Mustard, Mable and 2 x Huntington wells which will consist of two operational phases (only one vessel will be present at any one time): •    Phase 1 - Abandonment preparation from the Helix Seawell LWIV  •    Phase 2 - Wellhead and casing severance and recovery from the Helix Well Enhancer LWIV

 

The Helix Seawell vessel will commence mobilisation on the 19th November 2022. The Seawell Enhancer will then mobilise in December to complete Phase 2 works. All work at these four locations will be completed by 31st January 2023.

See detailed map on our bulletin website

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Finlaggan Anchor Pre-Lay Operations



Pre laying of anchors at the Finlaggan area ahead of future drilling operations, with commencement expected W/c 21st November (weather dependant) and expected to last approximately 3 days. Therafter the location will be monitored by a dedicated guard vessel until the anticipated arrival of the MODU drilling rig later in Q4.


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ERDA Jack-up Barge at ST3



Please be advised that the ERDA Jack-up Barge is due to depart from A2D in the Amethyst (UKCS 47/14) field on Thursday 17th November 2022 (dependent on weather), and transit to ST3 in the Ravenspurn North (UKCS 42/30) field where it will commence well intervention work, with an estimated arrival of Sunday 19th November 2022. The Jack-up Barge will remain at ST3 until 20th February 2023.


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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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Rock Installation -Inde-Leman



PUK plan to undertake pipeline remediation by means of rock installation at 3 locations on Leman and Indefatigable export pipelines PL22 (Leman 27B-Inde23A) and PL23 (Leman 27A-Bacton Terminal). The earliest potential installation date is the 18th November 2022 and latest completion date of 9th December 2022. The DEME vessel Rollingstone will complete the installation.


PUK plan to undertake pipeline remediation by means of rock installation at 3 locations on Leman and Indefatigable export pipelines PL22 (Leman 27B-Inde23A) and PL23 (Leman 27A-Bacton Terminal).

 

The earliest potential installation date is the 18th November 2022 and latest completion date of 9th December 2022.

 

The DEME vessel Rollingstone will complete the installation.

See detailed map on our bulletin website

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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 - 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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Hydrographic Survey Liverpool Bay



Hydrographic and Geophysical Survey of ENI Liverpool Bay Assets


Inspection survey of ENI Liverpool Bay assets comprising multibeam echo sounder and towed side scan sonar / magnetometer.

  • Survey of all LBA pipeline assets and corridors
  • Survey of all LBA platform Approaches
  • Survey of all LBA wellheads
  • Survey of Resurgam wreck

All works will be undertaken using the AMS Panther operating from the ports of Liverpool and/or Mostyn.  The vessell will be towing equipment upto 150m astern of the vessel and will be displaying restricted maneuverability shape/lights/AIS at all times in accordance with the regulations.  A wide berth is requested at all times when the vessel is operating.  A VHF watch (CH16) will be maintained at all times.

See detailed map on our bulletin website

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Spirit Energy A-Fields and Ensign Field Decommissioning: Decommissioning operations



Spirit Energy has contracted the Deep Ocean-operated Normand Jarstein construction support vessel (CSV) and Island Valiant anchor handling vessel to undertake subsea infrastructure decommissioning operations within the A-Fields, and the Ensign Field. The infrastructure formerly produced gas and condensate. The CSV is scheduled to mobilise in Peterhead on 29th September 2022. The AHV is scheduled to commence operations as soon as 20th November 2022.


The CSV will undertake pipeline protection (concrete mattresses), and pipeline removal operations at, and in the vicinity of, the Audrey A(WD) and Audrey B(XW) surface installations; at, and in the vicinity of, the Ann, Alison and Annabel subsea installations; and, at, and in the vicinity of, the Ensign surface installation. The AHV will undertake pipeline removal operations at all locations bar Audrey A (WD).

 

 

 

 

See detailed map on our bulletin website

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Installation of CAN Basic at Leverett Location



The CAN-basic will be deployed to the seabed by crane from a DP OSV, the Norman Maximus. The area will be monitored by guard vessel / ERRV until such time that the MODU arrives on location


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Tolmount East Development Drilling



Tolmount East Drilling Operations. The Tolmount East well is due to be further developed by the MODU Maersk Innovator. Rig is scheduled to arrive at the location ~10th November 2022 and shall remain on station for ~3 months. A statutory 500m/z will be established around the MODU, all vessels are requested to maintain a wide berth and recover any static gear within at least 1nm of the location. 


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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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Isolde 2D Survey



2D seismic survey by Gardline vessel "MV Kommandor" using sub-bottom profiler in blocks 23/26, 23/27, 30/01 and 30/02


2D seismic survey over the Isolde area located in UKCS Blocks 23/26, 23/27, 30/01 and 30/02. The main survey area will be 77km2 and the greater work area will be 343km2. Towed array will extend up to 1200m from the stern of the vessel MMO and FLO will be onboard

 

Vessel: MV Kommandor

IMO: 8517205

Call Sign: MCJ02

VSAT: +44 (0) 2038 688 439

See detailed map on our bulletin website

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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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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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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 - 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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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 UPDATE Oct-22: Safe Cal still on location - expected to leave around 10th December 2022


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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 UPDATE Oct-22: Safe Cal still on location - expected to leave around 10th December 2022


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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 300 days from April 2022. The drilling rig Noble Hans Duel is locating to the south face of the Southwark Platform. It will be fully within the platform's 500m safety zone.


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Unmanned Surface Vessel (USV) - Inspection of a pipeline from the St Fergus Gas Terminal



Operation of a remotely piloted Uncrewed Surface Vessel (USV) is planned out of Peterhead Port during November 2022. The USV will be engaged in survey activities associated with the inspection of a pipeline from the St Fergus Gas Terminal. The survey is located in the North Sea, ranging from near shore to approximately 2 nm off the Scottish east coast.


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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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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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Rig Move from Nigg to Anglia NUI YP Platform



The Wellsafe Protector jack-up MODU will be completing a rig move from Beth 10 in the Cromarty Firth to a location immediately next to the Anglia NUI YP platform in the southern North Sea. The rig move will be completed with three vessels, one towing and two tug vessels to assist with final rig position next to the platform. The rig move and well work at Anglia will be getting completed on behalf of Ithaca Energy.


The earliest possible date for the rig move is late October extending to the end of of November to account for the planned rig move window and possible delays en route.

See detailed map on our bulletin website

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Survey Operations Saturn Banks and Tolmount



MV Titan Discovery will undertake bathymetric scour and selected debris surveys on 3 offshore platforms (Southwark, Blythe and Tolmount), 2 x valve skids and 2 x crossings.


MV Titan Discovery will undertake bathymetric scour and selected debris surveys on 3 offshore platforms (Southwark, Blythe and Tolmount), the IOG 12” and 24” valve skids, and mattress inspection surveys on the pipeline crossings PLX1 and PLX2.  The survey will consist of multibeam, side-scan sonar and magnetometer data acquisition.

 

 

 

See detailed map on our bulletin website

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Abandoned Well - 15/21a-51



No structures left on the seabed – decommissioned fully.


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Drilling Activities at the Pensacola



Jack-up Drilling Rig Maersk Resilient is expected to be moved into the Pensacola location for drilling activities and is expected to arrive 01 NOV 2022. The rigmove is operation and weather dependant and actual arrival date may be later. The duration of the the drilling operations are expected to be 87 days.


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Pre-Lay Anchor pattern Well-Safe Guardian at Buchan EA3 Well



Please be advised that Well-Safe Solutions, on behalf of Repsol Sinopec Resources UK propose to place moorings on the sea-bed at the Buchan Field from 12/10/22 in advance of the mooring of the Semi-submersible Rig Well-Safe Guardian.


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Tolmount East



Notice to alert sea users to drilling activity within the Tolmount East area in block 42/28d, using the Maersk Innovator MODU.


The Maersk Innovator jackup drilling rig is currently on location in the Catcher Area, at the Burgman template.  It is due to complete operations on the current well in late October 2022, then move to the Tolmount East appraisal well 42/28d-14 to commence development sidetrack drilling operations.

See detailed map on our bulletin website

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Stena Don at Gannet E



Stena Don semi sub located at GE04 well in Gannet E field. Petrofac Facilities Management Limited plan to drill the GE04 well in the Gannet E field using the Stena Don


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Gannet E Anchor Pre-Lay



Petrofac to pre-lay anchors at GE04 location. Prior to upcoming drilling operations using the Stena Don in the Gannet E field, Petrofac Facilities Management Limited plan to pre-lay anchors at the GE04 well location


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Rig - Deepsea Nordkapp



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 - 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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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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Rig - Well-Safe Guardian



Notice to alert sea users to P&A activity within the Buchan and Hannay fields using the Well-Safe Guardian MODU in Block 20/05. 20/05c-8X (H01) well 20/05c-9 (H02) well


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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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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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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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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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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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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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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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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 - 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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Foinaven Buoyant Risers



The Foinaven FPSO has been removed from the field as part of a decommissioning project. Beneath the FPSO were 13 buoyant risers which remain in the water column. These contain buoyant sections which sit up to 160m above the seafloor within the 500m zone. These provide a significant snagging risk to any vessel operating in the area.


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Dumbarton, Lochranza & Balloch Field Activities



Intervention operations using the Well Enhancer (WE) Light Well Intervention Vessel (LWIV). PFML intend to use the WE to analyse logging data and identify any opportunity to enhance production from the GP3 asset. Operations will commence around 3rd October 2022. The operations will last approximately 42 days.


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Plug and Abandonment Campaign - COSL Pioneer, Athena Field



Plug and Abandonment Campaign - COSL Pioneer, Athena Field. The COSL Pionner MODU  will be conducting a plug and abandonment campaign at the Athena field in block 14/18b. The MODU will be working at a standalone location in the Athena field on a six well campaign. The total duration of activities is expected to last approximately 90 days. The COSL Pioneer will have a 500m safety zone surrounding it, with anchors extending beyond the zone. 


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Rig - Maersk Invincible



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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Jacky Field Decommissioning Subsea Structures



Items still on seabed prior to final decommissioning of field.


Items still on seabed prior to final decommissioning of field-

•    Rock berm covering conductor stump cement patio.

•    2 x pipeline ends protected with Rock Filter Units

•   1 x Power Cable End

See detailed map on our bulletin website

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Open WHPS roof panels at the North West Bell field



The roof panels on the Wellhead Protection Structure (WHPS) at the North West Bell location are currently in an open position. The WHPS is within the existing 500m zone.


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Pre-Lay Anchor pattern COSL Pioneer in Athena Field



Please be advised that we will be placing moorings on the sea-bed within the Athena Field in preparation for the mooring of the Semi-submersible Rig COSL Pioneer. A guard vessel will be infield when the anchor handler leaves and the COSL Pioneer arrrives. 


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Pre-Lay Anchor pattern Well-Safe Guardian at Hannay H01 Well



Please be advised that Well-Safe Solutions, on behalf of Repsol Sinopec Resources UK propose to place moorings on the sea-bed at the Hannay Field from 25/01/22 in advance of the mooring of the Semi-submersible Rig Well-Safe Guardian.


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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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2022 SNS Decommissioning Campaign



DSV Boka Polaris will mobilise in Great Yarmouth on 04th September 22 to undertake a ~34 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. CSV Boa Sub C mobilised on 1st August 22 to undertake a ~110 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.


DSV Boka Polaris will mobilise in Great Yarmouth on 04th September 22 to undertake a ~34 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.

 

CSV Boa Sub C mobilised in the Port of Sunderland on 1st August 22 to undertake a ~110 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.

See detailed map on our bulletin website

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2022 SNS Decommissioning Campaign



DSV Boka Polaris will mobilise in Great Yarmouth on 04th September 22 to undertake a ~34 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. CSV Boa Sub C mobilised on 1st August 22 to undertake a ~110 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.


DSV Boka Polaris will mobilise in Great Yarmouth on 04th September 22 to undertake a ~34 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.

 

CSV Boa Sub C mobilised in the Port of Sunderland on 1st August 22 to undertake a ~110 day offshore campaign to execute a Southern North Sea Decommissioning Campaign. The vessel will be working at various sites across the LOGGS and Viking areas. Upon completion of the offshore campaign, the vessel will demobilise to a North Sea port.

See detailed map on our bulletin website

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Anchor Positions and Subsea Gravity Bases for COSL Innovator Rig at Golden Eagle Field (14/26)



Please be advised that anchor handling operations are complete at the CNOOC Golden Eagle location. This notice is to provide the as laid (actual) anchor locations. Note: the gravity base locations are inside of the anchor spread. This notice will remain live until the anchors are recovered. The COSL Innovator drilling rig will move into position to hook upto the anchors week commencing 29th August 2022. A separate notice will be raised to cover the rig move.


1. Anchor handling operations completed Tuesday 15th August 2022

2. Gravity bases positioning completed Saturday 20th August 2022

See detailed map on our bulletin website

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Rig - Noble Sam Hartley



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



A 5 Day Nearshore Pipeline Inspection PL20 & PL21 using vessel Titan Discovery call sign: 2HCR3 between 12th May 2022 - 31st December 2022.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Bosakalis (TBC)

Titan Discovery

2HCR3

N/A

12/05/2022 - 31/12/2022

For 5 Days

48, 52

See detailed map on our bulletin website

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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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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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Judy oil export tie in spool at NORPIPE wye - pipe exposure



Judy oil export tie in spool at NORPIPE wye - pipe exposure over ca 50m creating additional trawl hazard. Rock was removed from Judy oil export tie in spool at NORPIPE wye in mid 2022 in support of valve changeout at NORPIPE wye. Valve changeout has been delayed until 2025 at which point rock will be reinstated. Absence of rock poses an increased risk of snagging fishing nets and also of pipeline damage. 


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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 - Transocean Norge



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 - 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 - Paul B Loyd Junior



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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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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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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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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 - 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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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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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. 

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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.
See detailed map on our bulletin website

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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.

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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 - 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

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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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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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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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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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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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