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Deepsea Atlantic at Utgard location
Deepsea Atlantic as moored at Utgard cross border location.Deepsea Atlantic scheduled to move off location PM 25th May. Mooring spread will remain on seabed after this and Kingfisher notice will remain live until recovered as soon as possible.
The mooring system for Deepsea Atlantic comprises of 12 anchors (4 single anchors ad 4 anchors with pigs) with 700-1100m of bottom chain per line. The mooring line consists of 800m 165mm fibre rope with subsurface buoys on each line.
Total of 8 x anchors and lines installed but only 3 x anchors (#s 1, 3 and 12) and lines inside UKCS. Attached pdf shows NCS anchors and lines.
An exclusion of 2200 meters radius from the centre (rig position) is requested.
See detailed map on our bulletin website
Subsea Construction scope - Murlach Project
Subsea construction activities associated with the Murlach project in block 22/24h.
Subsea construction activites including XT Commissioning, umbilical Installation, spool installations, gas lift line installation etc as part of the Murlach project, in block 22/24h of the Central North Sea.
See detailed map on our bulletin website
Offshore Development Area - Penguins Redevelopment Project
NOTE: The Penguins Field has been granted an extension to 31/05/26. The project includes extending the life of the existing wells and addition of eight new wells. The new wells will be tied into the existing Penguins infrastructure and connected into a new FPSO. The pipeline system will be split into a North and South production pipeline, with the FPSO positioned close to the centre of the field.
UKCS Block ID: 211/13a and 211/14a
Water Depths refer to Lowest Astronomical Tide (LAT) with all depths quoted in metres.
No visible marker (marker buoys) will be deployed.
Schematic drawing has been attached.
See detailed map on our bulletin website
Subsea Well Abandonment including diving operations - Strathspey Satellite structure
Subsea well Plug and Abandonment operations at the Strathspey Satellite structure, using a Light Weight Intervention Vessel
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NORPIPE Wye Valve Replacement
ConocoPhillips Norge intends to undertake some pipeline works at the NORPIPE Wye connection.
ConocoPhillips Norge intends to undertake some pipeline works to replace the existing ball valves at the main NORPIPE Wye connection. The Deep Arctic Dive Support Vessel will be on location from the 30th May for up to 21 days. This will be followed by a Flexible Fallpipe Vessel to lay some deposits in July or August for approximately 1 day. This notification is until the 31st August to cover both vessels activities.
See detailed map on our bulletin website
Drilling almost completed - Appraisal well - Crosgan 42/14a-C
The Prospector 1 is on location in block 42/14a, drilling is almost completed on the appraisal well. A rig move back to the Dutch CS is currently planned for Tuesday 27th May 2025.
The Prospector-1 is a self elevated jack-up rig which is now operating in the well location,. The Prospector 1 is anticipated to spend a total of 90 days at the proposed Crosgan 42/14a-C appraisal well location. Flaring is completed, and a rig move planned for 27th May 2025.
See detailed map on our bulletin website
Subsea Installation Buoy - Rosebank Offshore Development Area
A submerged marker buoy has been placed. The buoy is tethered 167m above the seabed at a depth of 934m. Vessels are requested to avoid.
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Rig Move - Noble Great White to Ben Lawers
Please be advised that the semi-sub rig 'Noble Great White' is due to move in DP mode from Schiehallion North West to Ben Lawers. The move is due to commence around the 22nd May and take approximately 5 days, depending on weather and operations. Multiple AHV's will be in the area as support and for anchor recovery. Actual transit route will vary.
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AOR Attic Oil Recovery Operations - Brent Charlie
Brent Charlie attic oil recovery operations from the concrete gravity based structure.
In 2025 Shell plan to undertake Attic Oil Recovery (AOR) at Brent Charlie. The planned operations will be undertaken in a split campaign with two phases, phase 1a and 1b. Campaign 1a covers cell access and fluid characterisation and campaign 1b covers the recovery of cell fluids.
See detailed map on our bulletin website
Install and tie-in - Schiehallion North Drill Centre West of Shetland
Subsea works at Schiehallion North Drill Centre (204/20a), West of Shetland. Planned works described in Consent to Locate: CL/1487/2 - from OPRED (attached to this Notification) & Pipeline Works Authorisation PA/5147, consent ref 35/V/25 - from the NSTA. Works include installation of Xmas Tree on the recently drilled Water Injection well & subsequent tie-in via jumper installation to existing infrastructure. All works will remain within the 500mz at 204/20a Schiehallion North Drill Center.
The Schiehallion, Loyal & Alligin subsea fields (West of Shetland) are to be expanded with new water injection and production wells over a campaign from 2023 to 2025, with all new wells connecting to existing subsea infrastructure. To date 4 new wells have been installed with a further 2 wells to be installed in 2025. As part of this phase of work, a new water injection Christmas Tree (NW05) will be tied into the existing subsea infrastructure, via 6" water injection jumpers, along with new controls supply jumpers (hydraulic and electrical) connected into an existing controls distribution assembly. This work scope also includes the movement of previously wet stored jumpers from a defined wet store location into the work site. This wet store location and all other activities covered within these Notifications are located fully within the subsea 500m zone surrounding the Schiehallion North Drill Centre – locations as per attached. The Normand Subsea MSV will carry out the subsea activities, scheduled to take ~6 weeks.
See detailed map on our bulletin website
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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Route Survey - Pegasus West Field and Pipeline
On behalf of INEOS Energy, N-Sea Offshore B.V. are undertaking a geophysical/ Unexploded Object (UXO), shallow geotechnical and environmental survey at the proposed Pegasus West field development site, and along a route from the Breagh A platform to the Pegasus West site in Quadrants 42 and 43. The survey is being carried out using the Survey and IRM Support Vessel ‘Braveheart Spirit’.
The Survey and IRM Support Vessel ‘Braveheart Spirit’ has commenced a geophysical/ Unexploded Object (UXO), shallow geotechnical and environmental survey at the proposed Pegasus West field development site, and along a route from the Breagh A platform to the Pegasus West site in Quadrants 42 and 43. The survey commenced on 21/04/25 and is expected to continue until end first week of June 2025.
The scope of the proposed survey involves the collection of data (to include Sub-bottom profiler (SBP) sparker, multi beam, echo-sounder, sidescan sonar (SSS), Magnetometer (MAG), Cone Penetrometer Testing (CPT) and vibrocore seabed samples) over an area of 61 square kilometres (km2).
An environmental baseline survey will also be conducted within this area, comprising a visual using drop cameras and Van Veen grab sampling.
The wider greater working area is 365 km2, within which the survey vessel will manoeuvre during line turns and during equipment deployment and recovery.
The finish date will be dependent on the prevailing weather conditions and work progress, and this bulletin will be updated as required.
Mariners are requested to remain where possible 500m from the vessel. During these works the Braveheart Spirit will have restricted manoeuvrability and shall also be exhibiting the correct day shapes / night lights for vessels restricted in their ability to manoeuvre.
See detailed map on our bulletin website
Decommissioning operations - Spirit Energy Audrey A and Audrey B platforms' former location
Spirit Energy has contracted the Deep Ocean - operated Dina Star multi-purpose vessel (MPV) to undertake subsea infrastructure removal operations at the locations where the Audrey A(WD) and Audrey B(XW) installations formerly stood
The MPV is currently scheduled to mobilise in Haugesund, Norway as soon as 31st May 2025, and to commence removal operations as soon as 1st June 2025. The operations are expected to take approximately 30 days in total.
All operations (other than vessel transits) will take place within the HSE-recognised 500 m safety zones that remain established at the former location of each platform.
See detailed map on our bulletin website
Irish Sea in Combined Operation with the Lennox Platform
Irish Sea Pioneer Rig Move from Hamilton to the Lennox Platform (Liverpool Bay) completed. Irish Sea Pioneer now in combined operation with the Lennox Platform
Will be in combined operations (COMOPS) for approximately 180 days supporting ctivities for CCS (Carbon Capture & Storage)
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.
See detailed map on our bulletin website
Rig move - Ensco 92 Southern North Sea
Harbour Energy are scheduled to complete Abandonment operations (using the Ensco 92 jack up) at the Johnston field and then move the rig to the Hunter location - 44/23a-12Z . This move is currently planned for the 19/05/25.
Harbour Energy are scheduled to complete Abandonment operations (using the Ensco 92 jack up) at the Johnstone field and then move the rig to the Hunter location - 44/23a-12Z. This move is currently planned for the 19/05/25.
See detailed map on our bulletin website
Rig Move - Dolphin PBLJ to Nicol Field
Harbour Energy are scheduled to complete P&A operations (using the Dolphin Paul B Loyd Junior – Semi Submersible) at Caledonia 16/26-25 – and then the rig to move to the Nicol field to abandon two subsea wells (15/25a-N1W & N2U). The move is currently planned for 20/05/25.
Harbour Energy are scheduled to complete P&A operations (using the Dolphin Paul B Loyd Junior – Semi Submersible) at Caledonia 16/26-25 – and then the rig to move to the Nicol field to abandon two subsea wells (15/25a-N1W & N2U). The move is currently planned for 20/05/25.
See detailed map on our bulletin website
Pipeline route survey - Cambo field
The survey vessel, Fugro Venturer, will be undertaking a Geophysical, geotechnical and environmental survey from the Cambo field along a proposed pipeline route.
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Ocean Great White Rig - Schiehallion North West Drill Centre
Please be advised that the semi-sub rig Ocean Great White is now hooked up at North West DC, using the below noted mooring pattern. There are no surface buoys on site. Anchor handler vessels have departed, and the rig expects to be on site for 5 - 7 weeks.
Please be advised that the semi-sub rig Ocean Great White is now hooked up at North West DC, using the below noted mooring pattern. There are no surface buoys on site. Anchor handler vessels have departed, and the rig expects to be on site for 5 - 7 weeks.
See detailed map on our bulletin website
Ground Moorings - Schiehallion North Drill Centre
5 mooring ground chain and pennant sections were recovered during the week commencing 20th January 2025, as part of the rig move to Schiehallion North West. Two moorings remain in place until further notice, at the below noted locations.
5 mooring ground chain and pennant sections were recovered during the week commencing 20th January 2025, as part of the rig move to Schiehallion North West. Three moorings remain in place until further notice, at the below noted locations.
See detailed map on our bulletin website
Ground Moorings at Alligin Drill Centre
Seven mooring ground chain and pennant sections were recovered during the week commencing 14th October 2024, as part of the rig move to Schiehallion North. One mooring remains in place until further notice, at the below noted location. There are no surface buoys or mid-water sections.
Seven mooring ground chain and pennant sections were recovered during the week commencing 14th October 2024, as part of the rig move to Schiehallion North. One mooring remains in place until further notice, at the below noted location. There are no surface buoys or mid-water sections.
See detailed map on our bulletin website
ROVSV Pipeline Inspection (EDT Jane)
Pipeline and wellhead inspection using work class ROV from EDT Jane
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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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Rig Move - COSL Pioneer
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 - Well-Safe Defender
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 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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Decommissioning preparation works - Eider Alpha
The Eider Alpha unmanned installation will have a construction vessel and ERRV working inside the 500m zone conducting preparation works for topside removal by HLV at latter end of working window provided.
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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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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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Development Project - Victory Field
The Victory Project is to develop the Victory subsea gas field as a single well tie-back to the Shetland Gas Plant. This is to be achieved by drilling a new well and installing a pipeline to route hydrocarbons via an existing hot tap tee into the existing Greater Laggan Area (GLA) pipeline system to export via the Shetland Gas Plant. Well control will be provide via an umbilical pipeline route from Edradour manifold location to the Victory Well.
Note: the Victory wellsite is within an Offshore Development Area and as such, it is advised not to fish within an ODA because of potential construction activities.
Vessel Plan for 2025
|
Vessel Name |
Location |
Arrival |
Departure |
Activity |
|
Stena Don |
Victory |
18/03/25 |
30/05/25 |
|
| DSV Deep Explorer |
Victory |
08/06/25 |
30/06/25 |
Victory Hot Tap Execution /HTT Protection Structure Install |
| Stones | Victory | 13/07/25 | 15/07/25 | Rockdump at HTT Area |
| Olympic Challenger (LCSV) | Victory | 31/05/25 | 03/06/25 | Victory XT Metrology |
|
(Guard vessel) - 3 |
Victory |
25/06/25 |
05/09/25 |
Guard Pipeline at Victory |
|
(Guard vessel) - 5 |
Victory |
18/07/25 |
18/08/25 |
Guard Umbilical at Edradour |
|
(Guard vessel) - 4 |
Victory |
23/07/25 |
05/09/25 |
Guard Pipeline at H TT 1-2 |
| Skandi Africa | Victory | 06/07/25 | 26/07/25 | Umbilical & Flexible Installation |
| Stornes | Victory | 01/08/25 | 17/08/25 | Rock Installation at Umbilical & Edrador |
|
Deep Arctic |
Victory |
31/07/25 |
24/08/25 |
Spool Install, Spool Tie-ins, Pre-Commissioning & Mattresses |
|
Nordnes |
Victory |
01/09/25 |
05/09/25 |
Rock Campaign 4b (Post tie-ins / Flexible) |
Remote Control Vessel Operations : Culzean Field
Please be advised that there will be two small sailboats and two underwater gliders being deployed around the Culzean field.
The four remotely controlled small craft (2-3m long ) will be launched and recovered from the Culzean Emergency Response and Rescue Vessel (ERRV) = Vos Prospector.
If fishing operations are planned in this area during their deployment, please contact the Vos Prospector who will be monitoring the craft positions.
Contact Details: Vos Prospector
Telephone +44 1224 980 101
Mobile +44 7764 245 862
Satellite +881 677 745 905
Email bridge@vosprospector.fleetvroon.com
OR
Mark Grove Smith : TotalEnergies E&P UK Limited
Mobile +44 7843 327 936
mark.grove-smith@totalenergies.com
See detailed map on our bulletin website
Survey Activity at Seagull
The Fugro Galaxy will be carrying out survey activities from 12th May - 12th June
Activities include; Echo-sounder, Side-scan, Visual, Multi-beam and 2D Seismic, Sub-bottom Profiler Sparker & Sub-bottom Profiler Pinger.
See detailed map on our bulletin website
Pipeline Route Survey - K2 to Everest and from K2 to Montrose
The survey vessel, Fugro Galaxy, will be undertaking a Geophysical, 2DHR Seismic, Shallow Geotechnical and Environmental survey in the K2 field and along two pipeline routes from K2 to Everest and from K2 to Montrose.
The vessel will be be sailing to the field on Sunday 4th May and may be infield from 5th May with the survey start planned for Tuesday 6th May. Survey will last for approximately 3 weeks, but potential end date of operations may extend beyond this if there are scheduling, operational or weather delays.
See detailed map on our bulletin website
AIS System Fault - Southwark Platform
AIS for the Southwark Platform is not available
AIS system not functional
Other NAVAIDS (Lights / Horn) all ok
Power on Platform Illuminated
ERRV on station when Manned.
See detailed map on our bulletin website
Decommissioning - Galahad
The OBANA Heavy Lift Vessel will undertake topside and monopod removal activities at the Galahad installation. Works will be between 15 June 2025 and 31st July 2025. The OBANA will be located within the Galahad 500m exclusion zone.
The OBANA Heavy Lift Vessel will undertake topside and monopod removal activities at the Galahad installation. Works will be between 15 June 2025 and 31st July 2025. The OBANA will be located within the Galahad 500m exclusion zone.
See detailed map on our bulletin website
Decommissioning - Garrow
The ERDA jackup Barge will undertake hydrocarbon safe (HCS) and well plug and abandonment (P&A) works at the Garrow installation. Works will be between 15 June 2025 and 1 August 2025. The ERDA will be located within the Garrow 500m exclusion zone.
The ERDA jackup Barge will undertake hydrocarbon safe (HCS) and well plug and abandonment (P&A) works at the Garrow installation. Works will be between 15 June 2025 and 1 August 2025. The ERDA will be located within the Garrow 500m exclusion zone.
See detailed map on our bulletin website
Plug and Abandonment Operations - UMC wells
Noble Patriot to complete plug and abandonment operations at the UMC wells. Positioned with 8 x GBAs within 500m radius of 61 09.44' North 01 06.44' East.
Noble Patriot to complete plug and abandonment operations at the UMC wells. Positioned with 8 x GBAs within 500m radius of 61 09.44' North 01 06.44' East.
See detailed map on our bulletin website
Laggan Tormore Hot Tap Tee Tie In on Flow Line 1
The vessel Deep Discoverer (Call Sign C6EB7) will arrive in Field (Co-ordinates below) to carryout construction activities at the Hot Tap Location for the installation of a Hot Tap Tee Structure at this location. This activity is now rescheduled to June
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Pierce Disconnect & Wellhead Severance Campaign 2025
Pierce Water Injection flexible pipelines PL2027JMWI-2, PL2028JSWI-1, and PL2028JSWI-2 will be disconnected from their respective wells (A8z, B3 and B4A). In addition to the Pierce wells, there are 4 Kingfisher wells BP1.2/BP2.1/HP1& HP2 that were P&A'd in 2024/2025 and all 7 above wells will be subject to removal of flow base and wellhead severance, Q2/Q3 2025. A seabed clearance of Pierce B4 will also be complete. Vessel: Island Valiant
The Pierce A8z, B3, and B4A wells were originally used as part of the subsea water injection system but the system has been out of service since the water injection riser was disconnected in 2021. The three wells are now fully P&A’d (work completed in Q1 2025). Water Injection flexible pipelines PL2027JMWI-2, PL2028JSWI-1, and PL2028JSWI-2 will be disconnected from their respective wells.
In addition to the Pierce wells, there are 4 Kingfisher wells BP1.2/BP2.1/HP1& HP2 that were P&A'd in 2024/2025 and all 7 above wells will be subject to removal of flow base and wellhead severance, Q2/Q3 2025.
A seabed clearance of Pierce B4 will also be complete.
Vessel: Island Valiant
See detailed map on our bulletin website
Nelson Platform Derrick & Substructure Removal Operations
Derrick & Substructure Removal Operations. Removal operations in advance of platform decommissioning.
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Stena Don rig in Penguins Field
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. Max horizontal anchor distance from rig center 1400m.
8th May: 8x Pre-lay anchors will be spotted
13th May: Stena Don will be on location and hooking up anchors and commencing operations.
26th July: Stena Don will be off location moving to Curlew.
Max horizontal anchor distance from rig center 1400m.
See detailed map on our bulletin website
Subsea Facilities Inspections - North North Sea
Vessel based ROV inspection to inspect fixed subsea facilities (wellheads, manifolds, pipeline tie-in structures) using one or more remotely operated vehicles from ROVSV Deep Ocean Deep vision.
Scope will be to inspect fixed subsea facilities (wellheads, manifolds, pipeline tie-in structures) using one or more remotely operated vehicles from ROVSV Deep Ocean Deep vision. Fixed locations are at Penguins FPSO, Penguins DC9/8/2/3, NL-WL PLEM, NL-WL Tie-In 2, Knarr Tie-In Pipeline Structure, FLAGS PLEM Pipeline Structure, Nelson SSIV, Howe field, Arran North & South, Columbus, Gannet D, Gannet G, Gannet F, Starling & Fram (abandoned wells and Fram field) infrastructure.. These have been inicated with coordiate references.
See detailed map on our bulletin website
Pre-laying of anchors at Hudson - in preparation for Noble Patriot arrival
Pre-laying of anchors at Hudson - in preparation for Noble Patriot arrival. As detailed within WIA/1726 CL/1508 & CL/1509. 8 x GBAs to be deposited within radius of 61 15 38.99' North 00 42 33.20' East 2 x GBAs to be deposited within radius of 61 15 11.08' North 00 44 09.40' East
Pre-laying of anchors at Hudson - in preparation for Noble Patriot arrival. As detailed within WIA/1726 CL/1508 & CL/1509. 8 x GBAs to be deposited within radius of 61 15 38.99' North 00 42 33.20' East 2 x GBAs to be deposited within radius of 61 15 11.08' North 00 44 09.40' East
See detailed map on our bulletin website
Freespans along Fulmar Gas Line
Freespans, not greater than Kingfisher critical span reporting criteria but potential hazard. These will be monitored over time. Next inspection planned in Q4 2024.
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Geophysical Survey - Galvani
The survey will involve two-dimensional ultra-high resolution (2DUHR), two-dimensional high resolution (2DHR) data acquisition and an environmental survey, consisting of at least 11 grab samples, over the Galvani survey area and tie lines using a 160 cu. in and 10 cu. in source array. Survey data will also be acquired using a parametric sub-bottom profiler (SBP), multibeam echosounder (MBES), side scan sonar (SSS) and a magnetometer.
The survey will involve two-dimensional ultra-high resolution (2DUHR) and two-dimensional high resolution (2DHR) data acquisition over the Galvani survey area and tie lines using a 160 cu. in and 10 cu. in source array.
Survey data will also be acquired using a parametric sub-bottom profiler (SBP), multibeam echosounder (MBES), side scan sonar (SSS) and a magnetometer. The acoustic equipment will operate over a 12 km2 survey area at Galvani.
Outside of the survey areas, but within the Greater Working Area (GWA), the survey vessel will make line turns (where the vessel turns upon completing one survey line and commencing the next).
An environmental survey, consisting of at least 11 grab samples, will also be conducted upon completion of the geophysical survey.
See detailed map on our bulletin website
Diving Operations - Dana Triton Area
Dana Petroleum will have the DSV Seven Kestrel in the Triton area for diving operations at Bittern DCA and DCB manifold, plus Guillemot Well TD
DSV Seven Kestrel will be diving at Bittern DCA and DCB manifolds to disconnect P1 pipeline and some electrical diagnostics, will also be diving at Guillemot TD Well. Vessel could be in the area for 15 days depending on the weather.
See detailed map on our bulletin website
Rig - Noble Innovator
This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.
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Unknown Obstruction - Chestnut Field Well 16y 500m safety zone
During a recent survey an unknown obstruction was encountered at 57°56.915’N, 001°12.575’E. The vessel’s creeper was snagged on a heavy weight and lost in approximately this position. A 0.1nm exclusion zone around this was maintained during the trawl sweep operations - fishermen are recommended to keep clear.
The MV “Fruitful Harvest” PD50 has carried out a post decommissioning trawl verification sweep of the Chestnut Field concerning the locations noted below. In this area the seabed is fairly static and mostly sand and shells, in a water depth of 100-129 metres. Using best endeavours and practice available, we can confirm that at the time of these trials the majority of the swept areas were found to be safe for normal fishing operations – except the areas highlighted in the notes below.
| Location |
Central Position Coordinates (WGS84) |
Comments |
| Hummingbird FPSO 500m safety zone |
57° 58.522’N 001° 14.260’E | NOTE 1: At position 57° 58.500’N, 001° 14.300’E the vessel encountered a small reduction in speed and gear spread, no damage to gear was reported. NOTE 2: At position 57° 58.000’N, 001° 15.100’E the vessel encountered a small reduction in speed and gear spread while crossing over Anchor 7 and 8, no damage to gear was reported. |
| WI Well 22-2a-12 500m safety zone |
57° 57.281’N 001° 13.646’E | NOTE 3: At position 57° 57.300’N, 001° 13.600’E the vessel encountered a small reduction in speed and gear spread, no damage to gear was reported. |
| PL2422 | 57° 58.140’N 001° 14.052’E | NOTE 4: At position 57° 58.200’N, 001° 14.300’E the vessel encountered a small reduction in speed and gear spread while crossing the pipeline, no damage to gear was reported. |
| Well 16y 500m safety zone |
57° 56.997’N 001° 12.828’E |
NOTE 5: An unknown obstruction was encountered at 57° 56.915’N, 001° 12.575’E. The vessel’s creeper was snagged on |
Fishing vessels operating in the vicinity should do so with caution in the areas noted above.
See detailed map on our bulletin website
Rig Move - Crossway eagle
This jack-up accommodation rig will be moving to this new position around 28th April 2025. Rig is protected by a 500m safety zone but may have anchors extending beyond this zone.
This jack-up accommodation rig will be moving to this new position around 28th April 2025. Rig is protected by a 500m safety zone but may have anchors extending beyond this zone.
See detailed map on our bulletin website
Environmental Sampling - Nelson platform and Nelson South Subsea structure
Conducting a survey to collect bathymetry, grab samples and shallow cores in the Nelson platform and Nelson South Subsea structure 500 meter zones
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Subsea Disconnects Campaign 3 - East Brae, Braemar and Devenick
Subsea Disconnects Campaign 3 is to remove hydrocarbon content and disconnect subsea assets from the East Brae installation.
Subsea Disconnects Campaign 3 is to remove hydrocarbon content and disconnect subsea assets from the East Brae installation.
TAQA have contracted Subsea 7 to utilise the Seven Falcon. The vessel will be working at Braemar and Devenick subsea facilities. Work will also be completed at the East Brae Crossover manifold to disconnect East Brae from Brae Alpha and SAGE gas pipeline.
The scope includes flushing fluids from subsea facilities to East Brae.
See detailed map on our bulletin website
Subsea Decommissioning - Western Isles Locations
Dana Petroleum (E&P) Limited has contracted Boskalis Subsea Services (BSS) for the Western Isles decommissioning project using the CSV Boka Northern Ocean.
Harris and Barra fields are located in Block 201/24a of the UKCS, 160km to the East of Shetland, and apprcximately 500km North-North East of Aberdeen. The water depth in the area varies from approximately 150m to 165m. The Western Isles production storage and offshore vessel (FPSO) has been disconnected and offstation, but production trees and water injections trees via 9-off flexible risers, 2 -off dynamic umbilical's, 2 -off bundle systems with associated spools and jumpers, 2- off mid-water arches (MWA), FPSO mooring piles, concrete mattressess remain on location. Boka Northern Ocean will carryout some of the decommissioning works commencising in early April for up to 90 days on location, note only ROV's operations from the CSV Boka Northern Ocean for this part of the project.
See detailed map on our bulletin website
Rig Move - Swift 10 - Wingate Platform Activity
Mobilization of SWIFT 10 drilling rig and P&A activity of 6 wells on the Wingate platform. Preparations for the decommissioning of the platform including P&A of all wells, conductor removal as well as pipeline cleaning.
Around the first week of April the SWIFT 10 jack-up rig will be mobilized from the Dutch Sector to perform the P&A of all 6 wells on the Wingate platform. The estimated term for completion of this scope is 4 months. During the initial positioning and demobilization of the drilling rig there will be 4 anchors deployed at ~500m from the platform. These will be recovered after positioning of the rig and deployed again when the rig is ready to be demobbed and returned to the Dutch sector.
A further notice will be sent when the date for the move is confirmed.
Update on timing. Rig schedule now shows the start of the mobilization for April 12th.
Rig move update. Departure from Dutch sector now planned for Thursday April 17th with arrival in UK sector of April 18th
Update: Departure from Dutch sector now planned for Friday April 18th with arrival in UK sector on April 19th
SWIFT 10 Rig is ready to commence decommissioning operations and will remain alongside Wingate platform until end of July
See detailed map on our bulletin website
3D OBN survey - Utsira North
The survey is a shooting methodology where ocean bottom nodes (OBN, single nodes, NO ropes) are rolled, and source operations are conducted centrally within the active node patch. Node Vessels: Havila Subsea. (dual ROV’s and a MantaRay vehicle with 6000 nodes) Source Vessels: Oceanic Champion
The survey will be acquired using the following vessels:
Node Vessels: Havila Subsea. The node vessel will be equipped with dual ROV’s and a MantaRay vehicle with a node inventory of 6000 Manta3000 nodes.
Source Vessels: Artemis Athene/Oceanic Champion. The source vessels are equipped with fully redundant hexa-source arrays of 800cu.in.
The survey will start from the south.
The area where nodes are layed out (present on the seafloor, blue in hte attached picture ABP25201_weeklyprogress_Modelled.png) will be updated regularly by Equinor Marin on BarentsWatch/FiskInfo https://www.barentswatch.no/fiskinfo/ (Seismikk, olje og gass - Equinor aktsomhetsområder, see attachment for example)
See detailed map on our bulletin website
Plug and Abandonment Operations - Hudson Wells
Noble Patriot to complete plug and abandonment operations at Hudson wells. Positioned within radius of 61 15 38.99' North 00 42 33.20' East 2 and 61 15 11.08' North 00 44 09.40' East.
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500m controlled zone - Abbey-2 WHPS Incomplete
The Subsea Abbey-2 WHPS (wellhead protective structure) is installed over the well, but the structure requires further work to complete. The work is planned to be completed in the spring, but in the meantime the location is to be guarded by a guard vessel, initially the Putford Terminator ERRV will maintain a controlled 500m zone around the Abbey-2 subsea well location. Work is expected to be complete at end of May and this controlled zone will end.
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Jackdaw Development - North Sea
The Jackdaw field is an ultra-high pressure/high temperature (uHPHT) reservoir that will be developed with a not permanently attended Wellhead Platform (WHP). Four wells will be drilled at the Jackdaw WHP. Produced fluids will be exported via a subsea pipeline to the Shearwater platform where these will be processed before onward export via the Fulmar Gas Line and the Forties Pipeline System. Vessels for 2025: Normand Drott/ Deep Arctic/Deep Discoverer & HLV Sleipnir.
Jackdaw Installation 2025/2026
New SSIV, tie-in spools and associated protection will be installed using DSV in the Jackdaw 500m zone between the Jackdaw wellhead platform and the new pipeline which was installed in 2024.
The pipeline ploughing, partially finished in 2024 will be fully completed using trenching support vessel.
The pipeline will be flood, cleaned and gauged from the Shearwater 500m zone using either DSV or CSV supported by supply vessels for water transfer.
New tie-in spools and associated protection will be installed using DSV in the Shearwater 500m zone between the SSIV and pipeline.
New electro-hydraulic/chemical umbilical will be installed between Jackdaw wellhead Platform and New Jackdaw SSIV using DSV.
Rock dump of the pipeline will be carried out using a rock dump vessel
See detailed map on our bulletin website
Rig - JB-115 ACP P15-A/C/D
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 - Askeladden
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 - Ensco 92
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 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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Freespan PL624/625 - Camelot Area Block 53 Southern North Sea
2 x Free Span identified on the Pipeline PL624/625 - 19.17m length x 0.89m height & 13.77m length x 4.11m height
624/625, block 53 SNS. All co-ordinates are based on International Spheroid 1924, European Datum 1950, Universal Transverse Mercator Zone 31N Projection, Central Meridian 3° E.
|
KP |
Easting |
Northing |
Water Depth |
Length |
Height |
|
|
5.303 |
447263.59 |
5870188.85 |
37.74 |
19.17 |
0.89 |
Freespan - Start |
|
5.322 |
447279.17 |
5870200.03 |
38.53 |
19.17 |
0.89 |
Freespan - End |
|
5.426 |
447363.15 |
5870260.33 |
43.11 |
13.7 |
4.11 |
Freespan - Start |
|
5.44 |
447374.39 |
5870268.16 |
37.72 |
13.7 |
4.11 |
Freespan - End |
Nearshore Geophysical Cable Survey - Teesside
The geophysical nearshore survey for the Northern Endurance Partnership (NEP) (bp) is scheduled to commence on 26 April 2025 and is expected to last for approximately 60 days (25th June), allowing for potential delays due to adverse weather conditions. The survey will utilise Multibeam Echosounder (MBES), Sidescan Sonar (SSS), Sub Bottom Profiler (SBP) and Magnetometer equipment, some of which will be towed up to 150 metres astern of the survey vessel.
A simplified area is displayed within this Kingfisher Bulletin the full list of coordinates and extent of the planned survey within the NEP Teesside Cable Survey Area is shown in table 1 of attached notice. The EGS Echo will only survey areas >30m in water depth along the NEP cable survey area.
An NFFO Offshore Fisheries Liaison Officer (OFLO) will be onboard the vessel during the survey available on VHF Channel 16.
Contact details for the Fishing Industry Representative and Company Fisheries Liaison Officer are provided in attached.
See detailed map on our bulletin website
VSP Vertical Seismic Profiles - Culzean wells (C2 & C4)
Vessel with seismic source to acquire data along the surface above the trajectories of 2 wells in the Culzean area.
Single vessel (either AHV or PSV) with a seismic source deployed by vessel crane (15m max from vessel) to acquire Vertical Seismic Profiles (VSPs) over 2 Culzean wells (C2 & C4). the vessel will start within the Culzean 500m zone, for each well, and proceed approximately due East for approximately 1km, following the trajctory of each well at surface. there will be 30-50 source locations per well and, at each location, 70-100 individual shots acquired. Each well may be re-acquired, ie survey repeated multiple times. estimate duration of acquisition is 36 hours, not including weather standby.
See detailed map on our bulletin website
Well tie-in and commissioning works - Brodgar H5 subsea tie-in
The Brodgar H5 well tie-in and commissioning work will commence on the 30th April and will take up to 35 days to complete. Works will be undertaken from the Boka Polaris DSV.
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Rig - Noble 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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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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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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Decommissioning - Wenlock
The ERDA Jackup Barge will undertake well plug and abandonment (P&A) works at the Wenlock installation. Works will be between 18 April 2025 and 01 July 2025. This P&A works are located within the 500m exclusion zone generated by the Wenlock installation.
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Transit and Location of HLV Rambiz and Gulliver for the Removal of Installations Hewett 48/29B & C
Transit and final location of Heavy Lift Vessels (HLV) Scaldis Rambiz & Gulliver. Scaldis will commence the removal of the decommissioned installations the Hewett 48/29B and 48/29C in April 2024. There will be HLVs located at the 48/29B and 48/29C completing the removal of the installation's topsides and jackets and will be transiting from the port of Flushing to the location on the 13th of April. The HLV is expected to be on location at the 48/29B on the 13th of April as per the schedule below.
The schedule below provides an overview of the planned works for HLV Rambiz, HLV Gulliver and their supporting vessels for the removal of the 48/29B and 48/29C platforms This schedule does not include possible weather delays.
Mobilisation to Field 48/29B 13/04/2025
Interim Demob 23/04/2025
Mobilisation to Field 48/29C HLV Ramiz 01/05/2025
Modules transporting to Sagro 27/05/2025
Preparations 48/29C 17/06/2025
Transit to 48/29B 21/06/2025
Modules 1 shipping to Sagro 28/06/2025
Modules 2 shipping to Sagro 13/07/2025
Transit back to field 17/07/2025
48/29 C Topside Removal HLV Gulliver 06/08/2025
Topside shipping to Sagro 08/08/2025
Transit back to field 48/29B 11/08/2025
Topside shipping to Sagro 17/08/2025
Transit back to field 48/29B 19/08/2025
48/29B Jacket shipping to Sagro 27/08/2025
Interim Demob 29/08/2025
Transit back to field 48/29C 01/09/2025
48/29C Jacket shipping to Sagro 08/09/2025
Contingency Stub Removal 12/09/2025
Leg Stubs shipping to Sagro 16/09/2025
See detailed map on our bulletin website
Rig - Noble 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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COSL Innovator MODU at Belinda BE-01
Submitting a notice to make fishing vessels aware that anchors are to be pre-laid at Belinda BE-01 between 7th and 10th March 2025. MODU due on location 16th March 2025. Expected to vacate end of May 2025.
The MODU COSLInnovator is scheduled to be on location at Belinda BE-01 location to undertake drilling operations.
See detailed map on our bulletin website
Offshore Geophysical Cable Survey - NEP Teesside
The geophysical and geotechnical offshore survey for the Northern Endurance Partnership (NEP) (bp) is scheduled to commence on 14 April 2025 and is expected to last for approximately 75 days. The extent of the planned survey within the NEP Teesside Cable Survey Area >30m in depth.
The geophysical and geotechnical offshore survey for the Northern Endurance Partnership (NEP) (bp) is scheduled to commence on 14 April 2025 and is expected to last for approximately 75 days, allowing for potential delays due to adverse weather conditions. The survey will utilise geophysical survey equipment (Multibeam Echosounder (MBES), Sidescan Sonar (SSS), Sub Bottom Profiler (SBP) and Magnetometer equipment) some of which will be towed up to 150 metres astern of the survey vessel. It will also utilise geotechnical equipment (Cone Penetration Test {CPT} equipment, Vibracorer and Day Grab sampler). The extent of the planned survey within the NEP Teesside Cable Survey Area >30m in depth shown in Figure 1 of the attached notice. Coordinates of Teesside Cable Survey Area also provided in Table 1 in the attached notice. An NFFO Offshore Fisheries Liaison Officer (OFLO) will be onboard the vessel during the survey available on VHF Channel 16. Contact details for the Fishing Industry Representative and Company Fisheries Liaison Officer are provided in the attached.
See detailed map on our bulletin website
2025 DSV Decommissioning - B-Block
The DSV Boka Da Vinci will be completing decommissioning activities at B-Block. The vessel will be at B-Block from the 13th May for ~ 40 days. The vessel will be at Solan from the 24th April for ~ 20 days then will return once the B-Block scope is completed on the 19th June for 50 days.
The DSV Boka Da Vinci is due to mobilise in Aberdeen on 24th April to undertake a 110 day offshore campaign to execute the Decommissioning scopes at Solan and B Block within the Central North Sea. The vessel will be working at Solan and B-Block 500m safety zones. Upon completion of the offshore campaign, the vessel will demobilise in Aberdeen. During port calls for Solan, the vessel will utilise Lerwick, Shetland.
See detailed map on our bulletin website
2025 DSV Decommissioning - Solan
The DSV Boka Da Vinci will be completing decommissioning activities at Solan. The vessel will be at B-Block from the 13th May for ~ 40 days. The vessel will be at Solan from the 24th April for ~ 20 days then will return once the B-Block scope is completed on the 19th June for 50 days.
The DSV Boka Da Vinci is due to mobilise in Aberdeen on 24th April to undertake a 110 day offshore campaign to execute the Decommissioning scopes at Solan and B Block within the Central North Sea. The vessel will be working at Solan and B-Block 500m safety zones. Upon completion of the offshore campaign, the vessel will demobilise in Aberdeen. During port calls for Solan, the vessel will utilise Lerwick, Shetland.
See detailed map on our bulletin website
Noble Endeavor at C-Triassic Well (Pre-lays and rig position)
The Noble Endeavor will complete drilling and completion activities at Penguin C-Triassic Well location. The work will take 127days (D50), 178 days (D90) and will be moored with 8 anchor lines through this time. Prior to rig arrival, pre-lays will be installed from the 30th of March. The rig is then estimated to arrive on the 9th of April.
The Noble Endeavor will complete drilling and completion activities at Penguin C-Triassic Well location. The work will take 127days (D50), 178 days (D90) and will be moored with 8 anchor lines through this time. Prior to rig arrival, pre-lays will be installed from the 30th of March. The rig is then estimated to arrive on the 9th of April.
See detailed map on our bulletin website
New Safety Zone: Gryphon Alpha, Gryphon Field, Block 9/18
A new safety zone has been granted by the Secretary of State for the above location/structure. The safety zone came into force on 25th March 2025.
Kingfisher note:
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
New Safety Zone: Belinda Wellhead, Belinda Field, Block 21/30f
A new safety zone has been granted by the Secretary of State for the above location/structure. The safety zone came into force on 25th March 2025.
Kingfisher note:
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
Gas Export Pipeline - Rosebank Development
Multiple vessels will be carrying out ROV survey, boulder clearance, pipelay, trenching and pipe burying operations along the Rosebank Development pipeline route between the charted Rosebank Development Area and the WOSPS Tie-in Safety Zone. Other vessels are requested to keep safe distance.
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Weather Buoy Installation – Rosebank Offshore Development Area
A tethered meteorological weather buoy will be installed at the given coordinates. Vessels are requested to keep safe distance.
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Marine Installation Operations – Rosebank Development Area
Multiple vessels will be carrying out pipeline and subsea structure installation activities within the charted Rosebank Development Area. Other vessels are requested to keep safe distance.
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Diving operations in Ninian Area
Vessel Boka Topaz operating in the Lyell, Ninian, Strathspey and Columba E fields between 07 April and 03 June, carrying out diving activities.
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New Safety Zone: Victory PLEM (South), Victory Field, Block 207/1b
A new safety zone has been granted by the Secretary of State for the above location/structure. The safety zone will come into force on 25th March 2025.
Kingfisher note:
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
New Safety Zone: Victory PLEM (North), Victory Field, Block 207/1a
A new safety zone has been granted by the Secretary of State for the above location/structure. The safety zone will come into force on 25th March 2025.
Kingfisher note:
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
New Safety Zone: Teal West Development, Teal West Field, Block 21/24d
A new safety zone has been granted by the Secretary of State for the above location/structure. The safety zone will come into force on 25th March 2025.
Kingfisher note:
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
Well Intervention Work - HAEVA at ST2 Ravenspurn Field
Please be advised that the HAEVA Jack-Up Barge (JUB) is due to depart from the ST3 platform at the earliest date of 27th March 2025 (dependent on weather), and transit to ST2 in the Ravenspurn Field, where it will commence Well Intervention work. The estimated earliest arrival date of the HAEVA at ST2 is 30th March 2025. The JUB will remain on location at ST2 until latest 30th June 2025.
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Stena Don at Victory A1 Well (Pre-lays and rig position)
The Stena Don will complete drilling and completion activities at Victory A1 location. The work will take 75days (D50), 92 days (D90) and will be moored with 8 anchor lines through this time. Prior to rig arrival, pre-lays will be installed from the 12th of March. The rig is then estimated to arrive on the 20th of March.
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Seabed Debris - Hewett 52/5A Platform Removed
The Hewett gas installation the 52/5A has been removed - however some seabed debris will remain until final removal activities.
This notification relates to the Hewett 52/5A Installation, its removal (topsides and jacket) as part of the overall Hewett Field Decommissioning Project and the presence of debris on the seabed within the footprint and vicinity of the jacket as a legacy from its operational life (> 50 yrs). This debris has the potential to create hazards for other users of the sea, in particular trawling and fishing activities.
A seabed debris removal campaign will be undertaken (timing to be confirmed) to achieve and demonstrate the requirements for seabed clearance (including over trawl), as defined in the overall Hewett Field Decommissioning Programmes for surface and subsurface infrastructure.
See detailed map on our bulletin website
Rig - Well Safe Protector
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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Metocean Buoy - Victory Development
Metocean buoy installed at the Victory development area. Buoy is floating on surface with mooring consisting of steel ballast. Note that buoy can move up to 150 m around deployment location. Deployment vessel: MS Elisabeth Duration: 6 months
Markers:
Metocean buoy
Character: Fl (5) Y 20s
Color: Yellow disc
Mooring: 3000 kg steel ballast with chain
Buoy diameter: 3 m
AIS base station address: 1328842/1/Shell Victory Wave Buoy WS154
See detailed map on our bulletin website
Infill Drilling - Cygnus Field
The Valaris Norway is due to move into the Cygnus field between 18 March - 31st December 2025 to carry out infill drilling.
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Diving Support Vessel (DSV) Activity at Thistle Platform
Diving Support Vessel (DSV) 'Seven Atlantic' will be performing Inspection, Repair and Maintenance (IRM) and decommissioning activities at the Thistle platform.
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Hazard - Forvie Manifold
Potential new snag hazard observed at subsea protection structure over the Forvie Manifold. Structure sits at center of the subsea 500m zone. Vessels requested to stay well clear of 500m zone.
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PL24 Cut-point Freespan - North Sea
The cut-point of PL24 is exposed and is protruding significantly from the seabed; approximately 18m long and 6m high. This creates an increased risk of snagging of trawling equipment, or similar, compared to a regular freespan.
The cut-point of PL24 is exposed and is protruding significantly from the seabed; approximately 6m from the seabed at its highest point and overhanging approximately 18m long from where the line makes contact with the seabed again. This creates an increased risk of snagging of trawling equipment, or similar, compared to a regular freespan.
See detailed map on our bulletin website
Rig - Noble Reacher (ex Maersk)
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 Promoter
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 - 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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Metocean Survey - Clair Ridge Are
bp is planning to carry out metocean survey activities within the Clair area. Near seabed current data and associated parameters will be collected over an initial period of 12 months. The survey will be undertaken using an MPV and the total survey time is expected to be 3 days for deployment and 365 days for survey activities. The survey operations will involve the placement seven metocean deployments with moorings on the seabed that will remain in place for a year.
Between 24/09 and 27/09, the seven laid metocean buoys were recovered, serviced and redeployed at the same target location. Further, the Metocean 5 deployment was fitted with an additional current meter such that the deployment height will increase from 13m to 34m above the seabed.
The buoys will remain in place until ~June 2025, at which date they will be recovered.
See detailed map on our bulletin website
V120 at Judy Riser Platform
Harbour Energy are performing a drilling campaign using the V120 Jack-Up drilling at the Judy Riser Platform location in block 30/07a. The Judy installations have a dedicated Emergency Response and Rescue Vessel (ERRV) on location monitoring the surrounding area.
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Structure in situ - Leverett CAN
Leverett CAN-basic left in situ until it is recovered by a vessel. Following the drilling of the Leverett appraisal well, the Transocean PBLJ and its anchors left the location on 14th February. The Leverett CAN-basic structure will remain in situ at the well location until it is recovered.
Recovery of the CAN-basic structure is now planned for summer 2025.
See detailed map on our bulletin website
Offshore Development Area - Victory Development
The Victory Project consists of the development of the Victory Subsea gas field as a single well tie-back to the Shetland Gas Plant. An Offshore Development Area has been put in place during the construction phase based upon the planned location of the Victory PLEM (North) between May 2024 and September 2025. The offshore development area for Victory Project was granted on the 20th March 2024. (see Schematic drawing att.)
UKCS Block ID: 206/4a, 206/5c and 207/1a
Water Depths refer to Lowest Astronomical Tide (LAT) with all depths quoted in metres – 126m – 296m
No visible marker (marker buoys) will be deployed.
See detailed map on our bulletin website
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 - 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 - Valaris 248 (ex 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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Rig - Valaris 122
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 - Maersk Inspirer
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 - Valris 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 - Maersk Innovator
This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.
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Rig - 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 Stavanger
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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Valaris V121 over Shearwater Alpha
Valaris V121 MODU jack-up rig will be situated over Shearwater Alpha platform. Valaris V121 MODU will be on location at Shearwater until June 2026.
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