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Mattress & RFU Installation - Southern North Sea
Perenco UK are undertaking a pre-emptive pipeline remediation campaign on pipeline assets across the Southern North Sea - PL22, PL23, PL24, PL28, PL448 and PL450.
Perenco UK will be installing concrete mattresses and rock filter units to remediate a series of spans on pipeline assets across the Southern North Sea from 11th December 2025 to 7th January.
See detailed map on our bulletin website
Rig - Safe Caledonia
This oil & gas drilling rig has moved to this new position. Rig are protected by a 500m safety zone and some may have anchors extending beyond this zone.
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Rig - Irish Sea 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 - 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 - 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 - 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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Rigmove - Valaris 121
Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending hundreds of metres outside this zone.
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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 - Deepsea Bollsta
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 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 - 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 - 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 Yantai
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 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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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 - 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 - 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 - 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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Swift 10 MODU to move on location on the Sean Papa Platform
The Swift 10 is contracted to ONE-Dyas to plug and abandon wells on the Sean Papa platform as part of the Sean Field decommissioning in the Southern North Sea for approximately 120 days. The rig will move from L8-P4 platform (NLCS) to Sean Papa (UKCS).
The Swift 10 will arrive in January to Plug and Abandon the wells and pull the conductors on the Sean Papa manned platform. The platform and rig will work in combined operation.The process will involve the MODU being towed to location, it will be positioned temporarily at stand-off position then anchors will be run to move MODU into final position.
The Swift 10 is a MSC SEA-2750 self-elevating unit . Aids to Navigation are listed as:- AIS, DSC MF/HF, VHF System, ER VHF Portable and RT/DSC, EPIRB,GPS/DGPS, Inmarsat C/ECG, GMDSS PRINTER, VSAT, LRIT, NAVTEX, SART, SSAS
The Rig Move procedure is in conjunction with the Marine Operations manual. Required rig move notifications will be made prior to the move.
The navigation lights on the Swift 10 are not able to be synchronised with the Sean PP. Navigation lights for both the Swift 10 and Sean Papa platform will remain turned on.
See detailed map on our bulletin website
Buoy - Pierce Area #2
Yellow surface float with a diameter of 1 metre.
WGS84: 57° 09' 09.792''N, 002° 15' 28.554'' E
Clump weight: 500 kg steel ballast with mooring line attached
Deployment date: 02/10/2025
See detailed map on our bulletin website
Metocean Buoy Installed - Pierce Area #1
A yellow spherical anchored wave buoy
Clump weight: 500 kg steel ballast with chain
Deployment date: 26/08/2025
Radius cone: ~120m
Model: Datawell DWR Mk3 buoy
Diameter: 0.9 m
Colour: yellow
LED light: 5 flashes in 10 s 20 s repetition 360° around for 4 Nm distance
See detailed map on our bulletin website
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 - 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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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 - 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 - 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 - Prospector 1
This oil & gas drilling rig has moved to this new position. Rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.
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Rig - 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 - 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 - 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 - 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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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 - 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 - 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 - 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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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. The export system consists of a subsea pipeline to the Shearwater platform. Vessels for 2025/2026: Deep Arctic or Deep Discoverer, Sleipnir, Seven Kestrel .
Continuation of Jackdaw Installation 2025/2026
New SSIV, tie-in spools and associated protection will be installed in the Jackdaw 500m zone between the Jackdaw Wellhead Platform and the new pipeline which was installed in 2024.
Sleipnir with associated barge and tugs working in and around the Jackdaw 500m safety zone.
New electro-hydraulic umbilical and associated protection will be installed between Jackdaw Wellhead Platform and New Jackdaw SSIV. Cooling Loop may be cleaned if required.
Sat 1st of November 2025 - The Deep Arctic vessel will carry out 4 hours of DP trials.
See detailed map on our bulletin website
Environmental Survey - Don
Environmental and Geophysical survey operations carried out by the vessel A78-06, on behalf of bp, shall commence approximately 10th of December. Survey operations are expected to last a duration of 7 days subject to any delay due to adverse weather.
A78-06 shall be conducting ROV based geophysical surveys at approximately 1.5 knots using multibeam echosounder and sidescan sonar. The survey shall also comprise an environmental survey, of up to 12 stations. At each station the vessel shall complete ROV video transects and grab samples
Throughout the duration of the survey, the vessel shall have restricted ability to manoeuvre.
See detailed map on our bulletin website
Environmental Survey - Miller
Environmental and Geophysical survey operations carried out by the vessel A78-06, on behalf of bp, shall commence approximately 10th of December. Survey operations are expected to last a duration of 7 days subject to any delay due to adverse weather.
A78-06 shall be conducting an environmental survey in the Don Field. The survey shall comprise:
- ROV based geophysical surveys at approximately 1.5 knots using multibeam echosounder and sidescan sonar. This survey shall cover the former 500m zone and pipeline corridor between Don and Thistle.
- Environmental survey, of up to 24 stations. At each station the vessel shall complete ROV video transects and grab samples.
- ROV general visual inspection at the former Don Platform location.
Throughout the duration of the survey, the vessel shall have restricted ability to manoeuvre.
See detailed map on our bulletin website
XOCEAN Pipeline Survey - St Fergus Refinery Landfall (USV)
Operation of a remotely piloted Uncrewed Surface Vessel (USV) is planned out of Peterhead Port during mid-November to mid-December 2025, with a planned completion date before 20 December 2025. 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.
Operation of a remotely piloted Uncrewed Surface Vessel (USV) is planned out of Peterhead Port during mid-November to mid-December 2025, with 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.
A support vessel will escort the USV out of and into the active port.Although the vessels are uncrewed, they are crewed throughout the 24 hour operation, piloted remotely using 360 degree cameras and other navigational aids.
See detailed map on our bulletin website
All Asset Inspection Campaign - Northern North Sea
The Vessel Armada 78 will be carrying Inspection Operations (Wells, Subsea Structures & Pipelines) in the vicinity of and between the locations noted below: UPDATE - MOB DELAYED Dates Now = 18th September to 27th November 2025 (Approx 70 Days) UPDATE: Project running over schedule : Now extended until Feb 2026
The Vessel Armada 78 will be carrying Inspection Operations (Wells, Subsea Structures & Pipelines) in the vicinity of and between the locations noted below:
UPDATE - MOB DELAYED Dates Now = 18th September to 27th November 2025 (Approx 70 Days))
UPDATE: Project running over schedule : Now extended until Feb 2026
See detailed map on our bulletin website
Mooring Line Recovery - Gryphon FPSO
The Vessel Normand Prosper (Call Sign LDRH), will be facilitating the recovery of the Gryphon FPSO redundant Mooring Chains at the below locations. Surface Buoys will be temporarily located at each Mooring Location until the Line has been recovered. Dates = 26th November to 24th December 2025 (Approx 1 month)
The Vessel Normand Prosper (Call Sign LDRH), will be facilitating the recovery of the Gryphon FPSO redundant Mooring Chains at the below locations.
Surface Buoys will be temporarily located at each Mooring Location until the Line has been recovered.
Dates = 26th November to 24th December 2025 (Approx 1 month)
See detailed map on our bulletin website
Decommissioning - Amethyst B1D
The OBANA Heavy Lift Vessel will undertake jacket removal works at Amethyst B1D. Works will be between 27th December 2025 and 25th January 2026.
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Metocean Buoy Installed - Penguins Area
A yellow spherical wave buoy with a diameter of 0.9 meters was installed in the Penguins Field. The buoy has a clump weight of 500kg (steel ballast with chain) and has a radius cone of 300m. LED light: 5 flashes in 10 s 20 s repetition 360° around for 4 Nm distance
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Decommissioning - Amethyst A2D
The OBANA Heavy Lift Vessel will undertake jacket removal works at Amethyst A2D. Works will be between 21st November 2025 and 31st December 2025.
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Western Isles infield subsea infrastructure decommissioning
Infield pipelines and manifolds associated with the Western Isles Development will be decommissioned
Risers, tie-in spools, manifolds and mid-water arches will be recovered from the seabed. The surface laid pipeline bundles serving the North and South drill centres will have appurtenances removed from their upper surfaces, but will remain in place until a decommissioning option is finalised. Wellheads will be left in place with existing fishing protection structures pending a future plug and abandonment campaign.
New rock armour will be deposited to protect exposed pipeline bundle ends at the North and South Drill Centre and North and South Riser Base locations.
Work is on hold over Winter 2025/2026. A guard vessel will remain on site (weather permitting) over this period. Work will resume in Spring 2026.
See detailed map on our bulletin website
Infill Drilling - Cygnus Field
The Valaris Norway is adjacent to the Cygnus Alpha, operating within the 500m zone. Anchors may extend beyond this point. *Please note that there is a slight delay between Cygnus A and Valaris Norway navigational aid activation, following assessment a dispensation has been approved under CL/63/8*
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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
Freespan mitigation - 4" Meg Bacton - Leman AP
DPV Flintstone will be installing Rock to mitigat freespans. Vessel has limited manouvrability
DPV Flintstone will be installing Rock to mitigat freespans. Vessel has limited manouverability
See detailed map on our bulletin website
204/20a Schiehallion NW Drill Centre Wet Parked Marine Riser
In Q2 2024, a Semi-submersible Mobile Offshore Drilling Unit incurred an unexpected release of the Lower Marine Riser Package, and the associated Marine Riser. This fell to seabed in the Schiehallion NW drill centre. Subsequent works were undertaken to cut the riser into manageable sections, relocate them to a wet park area outside the 500m zone at Schiehallion NW. Stabilisation material was then installed to secure their position pending retrieval to surface and subsequent on-shore disposal.
14 off Marine riser sections remain on the seabed at the location identified on the attached layout drawing. Their positioning has been secured utilising a combination of methods involving the following deployed equipment:
- 24 off gabion bags (2 te each),
- 24 off (6m x 3m mattresses),
- 14 off horizontal nets and
- 1 off clump weight.
Plans are underway to retrieve all items during a single campaign scheduled for 2026 following which this notice will be retracted/updated to confirm full removal.
The Marine Riser was cut up, relocated and subsequently stabilised via a Marine Licence (ML/1100) issued by OPRED.
See detailed map on our bulletin website
Decommissioning - Pickerill A
The OBANA Heavy Lift Vessel will undertake jacket removal activities at the Pickerill A installation. Works will be between 20th January 2026 to 10th February 2026.
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Decommissioning - Trent
The ERDA Jack-Up Barge will undertake hydrocarbon safe, pipeline flushing and well plug and abandonment works at the Trent installation. The ERDA will be located within the 500m exclusion zone. The ERDA will be at Trent from 24th September 2025 to 31st December 2025.
The ERDA Jack-Up Barge will undertake hydrocarbon safe, pipeline flushing and well plug and abandonment works at the Trent installation. The ERDA will be located within the 500m exclusion zone. The ERDA will be at Trent from 24th September 2025 to 31st December 2025.
See detailed map on our bulletin website
Pre-Rig arrival survey of South Magnus and Swift wells by the Fugro Merdian
Pre-Rig arrival survey of South Magnus and Swift wells by the Fugro Merdian
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Subsea structure with missing roof panels - PL873 "PDF" tee structure
PL873 "PDF" tee structure - roof panel not present.
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E&A well abandonment campaign - Trent, Leman, Hoton, Bedevere
Dismantling infrastructure on 4 Exploration & Appraisal wells to achieve Abandonment Phase 3 status.
The vessel is the Royal Wagenborg MSV Kingsborg. The schedule is from 12th November to 12th December.
See detailed map on our bulletin website
Wellhead Protection Structure - Abbey A02
32 ton fishing friendly wellhead protection structure, protruding approximately 6m above the sea bed with a 7m square footprint, protecting the Abbey A02 Wellhead.
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Simplification & Reactivation - Davy Platform
The HAVEA Jack-Up Barge will undertake a combined simplification and well plug and abandonment campaign at the Davy installation. The HAEVA will be located within the 500m exclusion zone. The HAEVA will be at the Davy platform from 9th October 2025 to 10th January 2026.
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Foinaven Buoyant Risers within Water Column
Subsea Risers which left in the water column at Foinaven following the removal of the FPSO. These buoyant risers are now covered by 3 new 500m safety zones but do still pose a significant snagging hazard due to their size, number (13x) and height above seabed (160m at highest point). There is no surface infrastructure in the area hence this notification to supplement the 500m zones
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Plug and Abandonment Operations - Otter Wells
Noble Patriot to complete plug and abandonment operations at the Otter wells. Positioned with 8 x anchors within the radius of 61 30 52.206 North 00 57 4.215 East. Consent to Locate permit reference number: WIA/1727 CL/1556.
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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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NEP Endurance Area - Passive Acoustic Monitoring (PAM) Survey
Mariners are hereby advised that the Northern Endurance Partnership (NEP) will be undertaking an Offshore Passive Acoustic Monitoring (PAM) Survey within the southern North Sea. This survey involves the deployment of a series of PAM moorings to support ongoing environmental monitoring activities for ~ 12 months.
NtM Information Update – 29/09/2025
Deployment has successfully carried out by the vessel BB Ocean, the vessel has returned to port to de-mobilise.
The PAM survey consists of the placement of 12 PAM recording stations at fixed locations (via moorings anchored to seabed). All moorings will remain in place throughout the 12-month monitoring period.
Equipment details are as follows:
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1 x ASCR Array: 7 x moorings deployed in a closely spaced configuration (~50 m separation between ARUs)
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2 x Localisation Arrays: 2 x seabed landers, within the ASCR array
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3 x Standalone Devices: 3 x moorings, distributed across the survey area for wider spatial coverage
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4 x cardinal marker buoys
As-laid coordinates are provided in Table 1 and are illustrated in Figures 1, 2 and 3 below. Fishing vessel plotter compatible files are also included as attachments along with this notice. Mariners are advised to maintain a safe distance from the deployment locations at all times.
For further information, contact details for the Fishing Industry Representative and the Company Fisheries Liaison Officer are provided in Section 7 of the attached notice.
See detailed map on our bulletin website
Danger - Protruding Isolation Plugs on End of Live Pipeline - Galahad
Following the removal of the Galahad monopod structure Perenco UK is warning mariners of protruding isolation plugs on pipeline PL1166, which is connected to the live/operational Lancelot Area Production System. An Isolated Danger Marker Buoy has been installed at the site of the former Galahad structure to mark this hazard.
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Nelson Platform Derrick & Substructure Removal Operations
Derrick & Substructure Removal Operations. Removal operations in advance of platform decommissioning.
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Span Section of PL1762
3 span on PL1762 in the Yell Sound was identified during a recent survey. The spans have been noted to be a potential trawl risk.
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Solan platform has commissioned a Solar Navaid system
The Solan platform has commissioned a Solar Navaid system which is monitored by Trinity House.
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Shelf Drilling Fortress move to Teal West
This is to communicate the upcoming planned rig move of the Shelf Drilling Fortress. The rig will be relocated from Queens dock Invergordon to Teal West well (block 21/24d) to carry out drilling and completions operations. The rig is scheduled to depart Invergordon on the 8th of September 2025 and arrive in the Teal field on the 10th September 2025. The rig is expected to be on location for approximately 100 days.
Coordinates:
Starting Point
1 Pilot station 57° 39.6'N 003° 53.4' W
Way Points
2 57° 46.6' N 003° 28.7' W
3 57° 43.7' N 001° 56.5' W
Final Location
4 Teal West 57°16’ 31’’N 00°46’ 28.76’’E
See detailed map on our bulletin website
Noble Innovator - Mungo
Please be advised that the Jack-up rig 'Noble Innovator' is alongside the Mungo Platform, and will remain in this position for the foreseeable.
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Installation of Mattresses (part 2) - Atlantic & Cromarty
During a survey of the Decommissioning planning we have identified the presence of 49 concrete mattresses installed along the Cromarty pipeline. These mattresses are not located in 500m zones and were installed in 2003. The locations of the matt's are identified in the co-ordinates below, noting there are multiple matt's at some locations hence why there are 15 locations and 49 mattresses.
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Pipeline and Umbilical Installation (Subsea) - Belinda
Installation of oil production flowline, gas lift pipeline and service umbilical.
An 8 inch oil production flowline will be installed (trenched and buired) from the exisiting GEEBB manifold (at Triton FPSO) to the new Belinda Valve skid located approx 5km south east of Triton. A 3 inch gas pipelines (piggy backed with the 8 inch) will also be was installed the same trence.
A servise umbilical will be installed from the existing Evelyn valve skid to the Belinda valve skid located 7km north east of Evelyn.
See detailed map on our bulletin website
Bittern WI Pipeline replacement and tie in spool works - North Sea
Notification of commencement of Bittern WI Pipeline replacement and tie in spool works as per the condition of the Consent to Locate permit.
The works shall comprise the installtion of the following subsea pipeline or cable, or system of subsewa pipelines and cables:
- Bittern WI pipeline replacment and tie in spool
Dana intend to reinstate water injection at the Bittern field through installation of a new 12” water injection pipeline between the Triton FPSO and Bittern WA and WB XTs. The pipeline will be deployed by way of a pipelay vessel and laid on the seabed. The pipeline will subsequently be trenched and buried using a jet trencher. The pipeline will be accompanied by a number of jumpers and spools to tie-in to the water injection system. Rock placement, grout bags and mattresses may be required over the length of the pipeline.
As part of the system, they intend to install a 33.3 m tie-in spool connecting the new water injection pipeline (PL6609) to the WB XT. A combination of grout bags and concrete mattresses will be used to protect the pipeline.
See detailed map on our bulletin website
Bittern Valve Skid (BIVS) - North Sea
Notification of the commencement of the Bittern Valve Skid (BIVS)Works as per the condition of the Consent to Locate permit.
The Works shall be located at: 57 04' 58.69" N, 00 53' 20.47" E Block 21/30.
The structure will be loaded onto the installation vessel in Peterhead and seafastened before undertaking the short transit to the field. Upon arrival, the seabed will be prepared by the temporary installation of transponder beacons to allow accurate positioning. The ship's crane will pick up the structure and overboard it clear of any subsea assets. The vessel will then step into the desired location and lower the structure to the seabed. The ship's ROV will disconnect installation rigging and recover all transponders and a structure based gyro.
As the structure is required to be located within the FPSO swing circle, heading control will be arranged for the FPSO to maintain a safe clearance between the FPSO and construction vessel. Once installed no further navigation aids are required.
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
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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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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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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