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Abandoned Well - 30/12d-11



This wellhead has been removed from the seabed.


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Removal of mattresses and grout bags - TAQA UMC P8 Well



2 concrete mattresses and 4 x grout bags were temporarily deposited next to the UMC well P8 (Block 211/26a) in 2019 to support abandonment operations. The DeepVision will be returning to the field to retrieve the deposited material in November


The matresses and grout bags were deposited within 500m of the primary location 61° 09 43.884 N, 1° 06’ 39.952 E. This operation is part of a larger campaign so the exact date the vessel will be on location is unknown at present but it will be during the month of November 

See detailed map on our bulletin website

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Rig - Transocean Endurance



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


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Rig - COSL Promoter



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


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Wet stored riser sections - Huntington Field



Sections of four flexible risers and one dynamic umbilical are wet stored (and pose a risk to fishermen) for a short period of time in the Huntington field, within the 200m radius area of the following location: 57° 36' 56.01" N 01° 38' 27.77" E


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Leman 27B & ERDA Combined Operations Activity



Combined Operations between Perenco Leman 27B Installation and Petrodec ERDA rig


Please be advised that the ERDA Jack-up Barge is due to depart from Sagro Yard, Vlissingen in the Netherlands on 25th October 2020, at the earliest (dependent on weather) and transit to the Leman field where it will commence project work at the Leman 27B platform (removal of redundant equipment and lifting a pigging module onto the 27BT platform). The ERDA is expected to arrive at the field 26th October 2020 (earliest) with the work scope predicted to take 42 days (excluding weather downtime).

See detailed map on our bulletin website

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Drilling - Bittern Drill Centre B



Dana are planning to drill at the Bittern Drill Centre B. The rig will be on location from the 1st August until the 21st October 2020. The Stena Spey will undertake the drilling operations.


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Survey - Inde 18A Pre-Decommissioning Survey



Perenco UK Limited plan to complete a pre-decommissioning survey of the Inde 18A platform (UKCS block 49/18), utilising the Noordhoek Pathfinder. The survey is due to commence 26th October 2020 (at the earliest) with an expected duration of 1 day.


The pre-decommissioning surevy of the Perenco platform Inde 18A (UKCS block 49/18) will consist of side scan sonar, multi beam echo sounder, passive magnetometer and environmental grab samples within the 1km x 1km surevy area around the platform.

 

The survey is planned to commence on 26th October 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the Inde 18A platform survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a atest end date of 26th November 2020.

See detailed map on our bulletin website

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Seagull and ETAP Works (Umbilical Readiness Works)



Vessel Norman Mermaid will be carrying out general works at Seagull field, ETAP and the planned umbilical route between them along with mattress deposits at Egret location.


Vessel Norman Mermaid will be carrying out:

 

- Debris survey at Seagull

- Seagull to ETAP boulder removal ops along the planned umbilical route

- Mattressing ops at Seagull and Egret

 

Etap Field – Platform PDR - 57Ëš 17’ 40.02"N, 01Ëš 39’ 41.28"E   

Seagull Field - Manifold -  57Ëš 09’ 10.93"N , 01Ëš 40’ 24.72"E 

Egret location-  57Ëš 10' 21.66"N,  01Ëš 44" 40.64E

See detailed map on our bulletin website

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Survey - Glengorm South Appraisal Well VSP (Ref: 1134)



A 2 day Geological Glengorm South Appraisal Well VSP from the drilling Rig from 16th November 2020 until 30th November 2020.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CNOOC Petroleum Europe Limited

N/A

2m

5m

16/11/2020 - 30/11/2020

For 2 Days

22

See detailed map on our bulletin website

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Survey - Culzean (Ref: 1140)



A 1 day Geological Survey at the Culzean Well


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North

TBA

2m

5m

12/10/2020 - 31/12/2020

For 1 Day

22/23

See detailed map on our bulletin website

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Survey - Pre-decommissioning at the Galahad Platform (Ref: 1141)



A Pre-decommissioning survey at the Galahad Platform from around 15 October to 31 December 2020 for 1 Day. Vessel:TBC


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco UK Limited

TBC

N/A

15/10/2020 - 31/10/2020

For 2.5 Day

48

 

See detailed map on our bulletin website

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Survey - Pre-decommissioning at the Bessemer Platform (Ref: 1137)



A Pre-decommissioning survey at the Bessemer Platform from around 18 October to 31 December 2020 for 1 Day. Vessel:TBC


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco UK Limited

TBA

N/A

15/10/2020 - 31/10/2020

For 1 Day

49

 

This is a seab

See detailed map on our bulletin website

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Survey - Grove Platform Area (Ref: 1153)



A side scan sonar survey around the Grove Platform Area from around 18 October to 31 December 2020 for 1 Day. Vessel: Fugro Searcher (3EUY6).


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro GB (North) Marine Ltd

Fugro Searcher

3EUY6

N/A

13/10/2020 - 31/10/2020

For 1 Day

49

 

This is a seabed survey in the Grove Platform area, using sidescan sonar and multibeam echosounder and encompassing up to 3 small areas within a 2.5km x 5km overall survey area

See detailed map on our bulletin website

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Elgood to Blythe & Blythe to Thames, Pipeline Installations



This NtM relates to the installation of two pipelines from Elgood to Blythe and Blythe to Thames, in the UK sector of the southern North Sea.


Independent Oil and Gas (IOG) will be installing two gas pipelines in the southern North Sea, a 6-inch diameter pipeline from the Elgood field to the Blythe field and a 12-inch pipeline from the Blythe field to a tie-in point on the existing Thames pipeline. 

 

The area is in the UK Sector off the Norfolk coast.

 

During the second half of 2020 works will include surveys in advance of the pipeline installation, protecting sections of existing pipelines in readiness for the crossing by the new 12-inch pipeline, and the laying and trenching (burial) of the two pipelines.

 

Pipeline Installation Operations

Will be performed from the DP vessel Seven Navica,

Call-sign: M2HR7

MMSI: 232419000

LOA: 109 metres 

Breadth: 22 metres

 

The vessel will be installing pipelines from her stern and deploying a remotely operated vehicle (ROV) in the water, which will severely restrict her ability to manoeuvre.

 

Pipeline Burial Operations

Will be performed from the DP vessel Grand Canyon III,

Call-sign: LACJ8

MMSI: 257010590

LOA: 128 metres 

Breadth: 25 metres

 

The vessel will be deploying and operating a trenching machine from a midships position and may simultaneously deploy a remotely operated vehicle (ROV) in he water, which will severely restrict her ability to manoeuvre.

 

Prior to burial of the pipeline the vessel shall be performing other preparatory works over the pipeline routes.

 

 

Whilst performing these activities the vessels shall either be static or moving at an approximate speed of <1 knot. Vessel heading may not be indicative of direction of travel.

 

Operations will be conducted on a 24-hour basis.

 

It is requested that all vessels within the area maintain a safe distance (500m) and pass at reduced speed.

 

Throughout these operations the vessels will be displaying the shapes and lights prescribed in the International Rules for the Prevention of Collisions at Sea (COLREGS) Rule 27, (Vessels not under command or restricted in their ability to manoeuvre).

 

Location: Elgood to Blythe 6-inch Pipeline

DD MM.mmmm (WGS-84)

The 6-inch pipeline will be laid along the following route

(curves denoted as straight lines for ease of plotting):

53°18.299’N  01°23.642’E

Point 2

53°17.586’N  01°24.684’E

Point 3

53°17.527’N  01°24.687’E

Point 4

53°16.459’N  01°26.740’E

Point 5

53°15.394’N  01°27.755’E

Blythe Platform locality - Point 6

53°14.512’N  01°26.744’E

Location: Blythe to Thames Pipeline Connection 12-inch pipeline

DD MM.mmmm (WGS-84)

The 12-inch pipeline will be laid along the following route:

 
Blythe Platform locality – Point 1 53°14.490’N  01°26.792’E

to Point 2 - Crossing

53°13.748’N  01°27.876’E

to Point 3 – Crossing

53°13.703’N  01°27.942’E

to Point 4 – Crossing

53°06.318’N  01°38.692’E

to Point 5 – Crossing

53° 06.274’N  01°38.759'E

to Point 6 - Crossing

53° 06.247’N  01°38.796’E

to Thames Pipeline Connection locality - Point 7

53° 04.550’N  01°41.259’E

 

See detailed map on our bulletin website

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Abandoned Well - 211/19-2



This wellhead has been removed from the seabed.


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CSV Operations - Gryphon MWA-B & G Remedial Works



The Maersk Forza (Call Sign: MAIF5) will be carrying IRM (Inspection, Repair & Maintenance) operations within the Gryphon FPSO area, between: 19th Sept to 21st Oct 2020


The Maersk Forza (Call Sign: MAIF5) will be carrying IRM (Inspection, Repair & Maintenance) operations within the Gryphon FPSO area, between:  19th Sept to 21st Oct 2020

See detailed map on our bulletin website

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Pipeline Flushing and Riser Decommissioning (Huntington Field)



Premier Oil’s project to flush & disconnect the Huntington field subsea infrastructure and removal of associated risers in relation to the float-off of the Voyager Spirit FPSO will be undertaken between 11th April and 31st December 2020


The flushing, disconnecting and riser cutting scopes are now completed.

 

The (Altera operated) Voyageur Spirit FPSO left the Huntington field on 27th July.

 

The risers will be recovered between 14th and 31st October by the Siem Spearfish.

See detailed map on our bulletin website

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Trawl Sweep at Renee Well 15/27-8 (Seabed Clearance)



The MV "Ocean Trust" FR152 has completed a 1 day trawl sweep operation over the Renee Well 15/27-8. No significant debris was recovered and there was no damage to the gear.


 On 12 October 2020, an area of 1,000m2 was ‘swept’, centred on the well, at a water depth of approx. 144 metres.

See detailed map on our bulletin website

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Development - Catcher Field



Subsea activities to be undertaken, on behalf of Premier Oil UK Limited at the Catcher Field located in block 28/9a of the UKCS.


Subsea 

  • Seven Atlantic Diving Support Vessel currently on location at Varadero & Catcher North Laverda to perform pull-in and tie-in operations until circa 21.10.20 

**** Pipelines and umbilical ends remain unprotected at Catcher North Laverda 56°48.927'N 00° 44.087'E. ****

See detailed map on our bulletin website

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Survey - Fram Field (Ref: 1114)



A side scan sonar survey around the Banff & Starling fields from around 13 to 31 October 2020. Vessel: Cecilia (OZ2157).


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
CGG Services (UK) Limited

Cecilia

OZ2157

N/A

13/10/2020 - 31/10/2020

For 18 Days

29

See detailed map on our bulletin website

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Rig - Prospector 1



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


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Endurance Site Survey



Geophysical site survey over the Endurance area including towed seismic, shallow geotechnical CPTs and environmental sampling.


Concentrating on two survey areas for towed Geophysical survey (approx 7 days) before undertaking a small scope of shallow geotechnical CPTs and Environmental Sampling (approx 5 days).

Vessel - Ocean Reliance

See detailed map on our bulletin website

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Rig - COSL Pioneer



Two Anchor handling vessels will arrive in the Buzzard field on 21st Sept '20. They will detach the COSL Pioneer from its anchors and then recover the pre-laid anchor spread. A vessel will retrieve a pull in wire and 4 x gravity bases 13th - 15th Oct '20.


The Anchor Handling Vessels departed the field on 22nd September 2020.

 

The COSL Pioneer left the field on 22nd September 2020

 

A construction vessel will arrive in the Buzzard field between 13th and 15th October to recover a pull in wire, and 4 x gravity bases. 

 

See detailed map on our bulletin website

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Survey - Bessemer Pre-Decommissioning Survey



Perenco UK Limited plan to complete a pre-decommissioning survey of the Bessemer platform (UKCS block 49/23), utilising the Noordhoek Pathfinder. The survey is due to commence 13th October 2020 (at the earliest) with an expected duration of 1 day.


The pre-decommissioning surevy of the Perenco platform Bessemer (UKCS block 49/23) will consist of side scan sonar, multi beam echo sounder, passive magnetometer within the 1km x 1km surevy area around the platform.

 

The survey is planned to commence on 13th October 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the platform survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a latest end date of 13th November 2020.

See detailed map on our bulletin website

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Survey - Galahad Pre-Decommissioning Survey



Perenco UK Limited plan to complete a pre-decommissioning survey of the Galahad platform (UKCS block 48/12), utilising the Noordhoek Pathfinder. The survey is due to commence 13th October 2020 (at the earliest) with an expected duration of 1 day.


The pre-decommissioning surevy of the Perenco platform Galahad (UKCS block 48/12) will consist of side scan sonar, multi beam echo sounder, passive magnetometer and environmental grab samples within the 1km x 1km surevy area around the platform.

 

The survey is planned to commence on 13th October 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the platform survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a atest end date of 13th November 2020.

See detailed map on our bulletin website

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Gannet D Field - Vessel Activity



Pipelay, Survey/Metrology, Trenching, Tie-In and Rockdump operations


Pipelay Apache II – Pipelay Operations (TechnipFMC) Gannet D Project scopes – Infield 01/09/20 – Depart Field on 18/09/20

  • Pipelay operations from Gannet A to Gannet D – 16km
  • Interim trip to port to mobilise second pipeline
  • Pipelay operations from Gannet A to Gannet D – 16km

 

SUV Normand Mermaid – Survey/Metrology Operations (TechnipFMC) Gannet D Project scopes – Infield 28/08/20 – Depart Field on 12/10/20

  • Survey positional checks at Gannet A and Gannet D
  • Survey and debris clearance, DLA and clumpweight deployment and recovery at Gannet A
  • Debris clearance along pipelay route where required
  • Mattress installation over Gannet G crossing
  • Pipelay support along pipelay route
  • Flood, clean & gauge commissioning activities of both pipelines
  • Pre and post lay and trench survey activities
  • Pipeline strength test activities
  • Metrology activities at Gannet A and Gannet D

 

SUV Normand Ranger – Trenching Operations (TechnipFMC) Gannet D Project scopes – Infield 13/09/20 – Depart Field on 15/10/20

  • Trench pipelines from Gannet A to Gannet D
  • Post trench surveys from Gannet D to Gannet A
  • Backfill pipelines from Gannet A to Gannet D
  • Post backfill/out of straightness surveys from Gannet D to Gannet A

 

DSV Deep Explorer – Tie-In Operations (TechnipFMC) Gannet D Project scopes – Infield 16/09/20 – Depart Field on 15/10/20

  • Barriers and isolations at Gannet D and Gannet G
  • Spool deployment and tie-ins at Gannet A
  • Spool deployment and tie-ins at Gannet D
  • Metrology spool deployment and tie-ins at Gannet A and Gannet D
  • System leak test and flange inspection
  • Mattress installation
  • Valve Ops and commissioning support

 

RDV (TBC) – Rock Dump Operations - Gannet D Project scopes – Infield 18/10/20 – Depart Field on 23/10/20

  • Rockdumping over trench transitions at Gannet A and Gannet D
  • Rockdumping over Gannet G crossing
  • Potential remedial rockdump based on as-left pipeline trenching
See detailed map on our bulletin website

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Survey - Pipeline Survey PL76 Pre-Decommissioning



Perenco UK Limited plan to complete a pre-decommissioning survey of the PL76 pipeline (UKCS block 49/18 and 49/23), utilising the Noordhoek Pathfinder. The survey is due to commence 13th October 2020 (at the earliest) with an expected duration of 1 day.


The pre-decommissioning surevy of the PL76 pipeline, located in the Inde field (UKCS block 49/18 and 49/23) will consist of side scan sonar, multi beam echo sounder, sub bottom profiler and environmental grab samples along the 4.5km route of the pipeline.

 

The survey is planned to commence on 13th October 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a atest end date of 13th November 2020.

See detailed map on our bulletin website

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Pierce and Shearwater Fields - Vessel Activity



Survey, Pipelay, Trenching, Pre-Com, D4 Well Tie-Ins, Diving Works and Rock dump Operations


Seven Falcon – D4 Well tie-ins (Subsea 7) Pierce Infill Wells Project scopes – Infield 08/09/20 – Depart Field on 07/10/20

  • Installation of tie-in pipework for new D4 tree, including temporary isolations of existing infrastructure to facilitate tie-in.
  • Installation of control infrastructure for new D4 tree
  • Leak testing of new pipework
  • Replacement of old flexible pipe and control system upgrade at B1z tree

 

Skandi Skansen – Trenching, Backfill and Pre-Commissioning Operations (Subsea 7) Pierce Depressurisation Project scopes – Infield 21/10/20 – Depart Field on 17/11/20

  • Trench pipeline from Pierce to Shearwater
  • Post trench survey from Pierce to Shearwater
  • Backfill pipeline from Shearwater to Pierce
  • Post backfill/out of straightness survey from Pierce to Shearwater
  • Flood, clean, gauge and strength test pipeline – Scope may be transferred to another campaign (3.3 days infield)

Seven Kestrel – Infield diving works (Subsea 7) Pierce Infill Wells Project scopes – Infield 14/10/20 – Depart Field on 20/10/20

  • Replacement of old flexible pipe and control system upgrade at A5 tree
  • Disconnection of water injection pipework
  • Matting and protection
  • Precommissioning work on the Pierce-Shearwater pipeline (Haewene Brim 500, and Shearwater 500 zones)

Seven Falcon (Subsea 7) – Pierce Gas Export Pipeline Initial Pre-Commissioning and Shearwater Tie-in Metrology  – Infield 05/11/20 – Depart Field on 08/11/20

  • Pierce 500m zone – Complete survey verifications and as-found survey of pipeline pig launcher/receiver (PLR)
  • Pierce 500m zone - Install hot stab complete with non-return valve on PLR and configure PLR valves to required status
  • Shearwater 500m zone – Complete as-found survey of pipeline PLR
  • Shearwater 500m zone – Deploy and connect downline complete with hotstab to PLR
  • Shearwater 500m zone – Propel 3 off pigs to complete the pipeline flood, clean and gauging operations, whilst configuring the PLR valves as required
  • Shearwater 500m zone – Complete pipeline hydrotest
  • Shearwater 500m zone – Depressurise the pipeline, disconnect and recover downline and complete as-left survey
  • Shearwater 500m zone – Complete pipeline flange to SSIV tie-in flange metrology and complete as-left survey
  • Pierce 500m zone – Confirm pigs have been received with PLR
  • Pierce 500m zone – reconfigure PLR valves and disconnect and recover the hot stab complete with non-return valve
  • Pierce 500m zone – Complete as-left survey

Rock Installation Vessel (TBC)  –  Rock Dumping Operations (TBC) Pierce Depressurisation Project scopes – Infield 08/11/20 – Depart Field on 13/11/20

  • Rock dump installation over trench transitions at Pierce and Shearwater
  • Rock dump installation over crossing location and trench transitions to either side of the crossing
See detailed map on our bulletin website

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Catcher North and Laverda Safety Zone



The Catcher North and Laverda Safety zone is now live.


The Catcher North and Laverda Safety zone (Catcher North and Laverda Subsea Installation, Block 28/9a, Catcher North and Laverda Field) issued in Statutory Instrument No. 390 of 2020 - The Offshore Installations (Safety Zones) Order 2020 is now live/in force.

 

This safety zone has a radius of 500 metres from the specified position: 56°48.927’N 00°44.087’E

 

https://www.legislation.gov.uk/uksi/2020/390/pdfs/uksi_20200390_en.pdf

See detailed map on our bulletin website

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Abandoned Well - 15/22-16



This wellhead has been removed from the seabed.


The Wellhead has been cut ~11ft below seabed. An explosive charge was subsequently used to free the wellhead for recovery. A seabed clearance survey has been completed to a radius of 100m via ROV and the seabed has been confirmed to be clear and reinstated. A seabed Clearance Certificate has been issued.

 

Contrary to the original plan, the wellhead has not been recovered. Following a successful controlled explosive severance detonation it is probable that the stump has relocated into  a void that was created during the detonation at the cutting depth below the seabed surface, that was big enough to swallow the length of cut casing. The subsequent 100 metre radius ROV search of the well area failed to identify any presence of the wellhead, hence the operation was terminated without wellhead recovery, and the abandonment is considered complete.

See detailed map on our bulletin website

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Survey - Marine Survey (Ref: 1149)



A 20 day Marine Survey vessels: Skandi Carla Call Sign: C6RX4, Edda Sun Call Sign: LARF7 from 10th October 2020 until 30th November 2020.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro Survey

Limited

Skandi Carla

C6RX4

Edda Sun

LARF7

N/A

10/10/2020 - 30/11/2020

For 20 Days

52, 48

See detailed map on our bulletin website

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Survey - Everest LAD Well & Route Survey (Ref: 1148)



A 10 day Everest LAD Well & Route Survey vessel Fugro Galaxy Call Sign: C6YY4 from 23 October 2020 until 30th November 2020


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro (GB (North)

Marine Limited

Fugro Galaxy

C6YY4

1500m

3m

23/10/2020 - 30/11/2020

For 10 Days

22

See detailed map on our bulletin website

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Tolmount Development Area



Notice to alert sea users to the installation of the Tolmount Platform and mobilisation of the MODU Valaris 123 Jackup Unit in Block 42/28d in October 2020.


The Tolmount minimum facilities platform will be installed on behalf of the Tolmount Development Project (comprising Premier Oil UK Limited, ODE Asset Management Limited and Humber Gathering System Limited (HGSL)) in UKCS Block 42/28d using the Heerema Marine Contractors "Sleipnir" SSCV (under contract to Rosetti Marino) plus support vessel spread (ERRV, tug vessel and barge).

 

Installation activities are due to last for approximately 14 days. The Valaris123 Jackup Drilling Rig is due to mobilse w/c 12th October 2020 and scheduled to arrive on location on the 14th October 2020, over the Tolmount platform, where combined operations will commence for approximately 12 months (subject to further Kingfisher bulletins).

 

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

See detailed map on our bulletin website

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Survey - Seismic Infill Survey (Ref: 1128)



A 15 day Seismic Survey Central North Sea.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CGG Service (UK) Limited

SW Amundsen 5BXE2

8000m

15m

22/08/2020 - 31/10/2020

For 15 Days

15,16,21,22

See detailed map on our bulletin website

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Pipeline Activities - Arran Field



A Pipeline Initiation System (an arrangement of anchors, chains and wires) has been installed within the Arran South 500m safety zone (installed on 28/09/20). Further vessel activity will be taking place in the area as below.


Skandi Skansen – Trenching Operations (Subsea7) Arran Field Development – Infield 23/07/20 – Depart Field on 20/10/20

  • Ploughing 1/3 Columbus to Shearwater
  • Ploughing 2/3 Arran South to Columbus
  • Ploughing 3/3 Arran North to Arran South
  • Backfill 1/3 Shearwater to Columbus
  • Backfill 2/3 Columbus to Arran South
  • Backfill 3/3 Columbus to Arran South

Seven Arctic – Structure Installation (Subsea 7) Arran Field Development – Infield 24/09/20 – Depart Field on 03/10/20

  • ANTIS & CTIS structures installation

RDV (TBC) – Rockdump Operations – Arran Field Development – Infield 02/11/20 – Depart Field on 16/11/20

  • Rockdump

ROVSV (TBC) – Pipeline Operations (Subsea 7) - Arran Field Development – Infield 16/11/20 – Depart Field on 22/11/20

  • Pipeline Strength Test
See detailed map on our bulletin website

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Survey - Galleon PN Debris Survey (Ref: 1143)



A 3 day Galleon PN Debris & Environmental Survey from 30 September 2020 until 30 December 2020. Vessel: Fugro Searcher Call Sign: C6EIF.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

M.V Fugro Searcher

C6EIF

N/A

30/09/2020 - 30/12/2020

For 3 Days

48

 

See detailed map on our bulletin website

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Survey - Pipeline Survey PL1166, PL1167 (Ref: 1142)



A 1 day Pipeline Survey PL1166, PL1167 from 15 September 2020 until 31 December 2020.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco TBA

N/A

15/09/2020 - 31/12/2020

For 1 Day

48

 

 

See detailed map on our bulletin website

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Survey - Rubie and Rennie (Ref: 1133)



A 5 day survey around Rubie and Rennie from 19 September 2020 until 31 October 2021]. Vessel: Fugro Venturer Call Sign: C6CG3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro

Fugro Venturer

C6CG3

N/A

19/09/2020 - 31/10/2020

For 5 Days

15

See detailed map on our bulletin website

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Rhum 3 (R3) Well Intervention



Serica Energy is completing a well intervention operation at the Rhum R3 location in UK License Block 3/29, located in the Northern North Sea


Location Name:

Rhum R3

UK Licence Block:

3/29

Surface Co-ordinates (WGS84):

60° 06.962' N 001° 43.337' E

Start Date:

Approx. 8th October 2020

Duration:

Approx. 80 Days

Rig Name:

WilPhoenix

ERRV:

Esvagt Sigma

Safety Zone:

500 metre radius

See detailed map on our bulletin website

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Survey - Brodick Development Route Survey (Ref: 1136)



A 7 day survey around the Brodick Dvelopment from 11 October 2020 until 31 January 2021. Vessel: Ocean Reliance Call Sign: HP6391.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Limited

Ocean Reliance

HP6391

3m

3m

11/10/2020 - 31/01/2021

For 7 Days

15

See detailed map on our bulletin website

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Rig - Ocean Endeavour



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


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Survey - Brodick Well Rig Site Survey (Ref: 1135)



A 7 day survey around the Brodick Well from 11 October 2020 until 31 January 2021. Vessel: Ocean Reliance Call Sign: HP6391.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Limited

Ocean Reliance

HP6391

3m

3m

11/10/2020 - 31/01/2021

For 7 Days

15

See detailed map on our bulletin website

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Drilling - Douglas 110/13HD



The Irish Sea Pioneer will be drilling at the Douglas 110/13HD Location from 18th September 2020 for 30 days.


Oil & gas rigs 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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Cardinal Buoys - Banff Field



Two cardinal buoys and one marker buoy will be installed at the Banff Field during late September when surface vessels have demobilised to mark subsea infrastructure. The installation is expected to take two days.


The buoys will be installed by anchor handling tug (AHT) as part of other field operations.

See detailed map on our bulletin website

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Balmoral Area – Pipeline Flushing and Disconnection



Please note that Premier Oil’s project to flush and disconnect a number of pipelines / wells in the Balmoral and Glamis fields will be undertaken during the period of 28th September to 31st October 2020.


The earliest start date for operations to commence is 28th September. The flushing and disconnection operations of the infrastructure (split into two campaigns) are expected to be carried out between 30th September and 31st October All flushing and disconnection works will be undertaken from the Seven Atlantic DSV

See detailed map on our bulletin website

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Dropped Mattress - Shell 34" Pipeline



The 6th mattress for the Shell 34” pipeline will be recovered between 19th September - 17th October 2020 by the Grand Canyon III. The Fleximat dimensions are 6.4m x 3.0m x 0.5m Weight in Air 15860kg.


During overboarding of the 6th mattress for the Shell 34” pipeline, the crane wire parted when the matt was entering the splash zone at approx. 25m above seabed. The Fleximat dimensions are 6.4m x 3.0m x 0.5m Weight in Air 15860kg.

 

The mat was being overboarded 15m away from the 34” pipeline, the mattress and frame landed on the seabed 6m away from the 34” pipeline

  • Fleximat 6.4x3.0x0.5m 2.4 & 3.2te/m3 Concrete Mattress – Weight in Air 15860kg
  • Mattress Lift frame – 6.3x2.4m – Weight in Air 1.7te
  • Approx. 25m Crane wire
  • 0.5t Crane Block

25m Crane wire and 0.5te Crane Block safely recovered 13:50, 08/09/20.

 

Plan is to recover mattress but inspections into the current state of the mattress are required to determine a suitable recovery methodology.

 

A marine licence (ML/634) application has been submitted and approved by BEIS, this is valid from 19th September 2020 to 17th October 2020. A variation to this marine licence will be applied for in case the mattress and mattress frame cannot be recovered within this time. The mattress and mattress frame will be recovered by the Grand Canyon III offshore support vessel.

 

 

See detailed map on our bulletin website

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Rig - JB-115



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


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Rig - Irish Sea Pioneer



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


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Rig - West Mira



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


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Rig - Transocean Equinox



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


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Rig Movement (Seafox 7)



The rig has moved to this location. 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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Buzzard Field - unconnected subsea infrastructure



Drilling activity in the Buzzard Field will cease for 2020 in September leaving 4 x Xmas Trees and 2 x wellhead conductors unconnected in the field until the subsequent subsea campaign in 2021. The locations are in the table below.


Subsea structure

Manifold Slot

Coordinates ED50

Protection structure

PN1

57° 50' 44.150" N

000° 54' 35.320" W

Xmas Tree

PN3

57° 50' 42.899" N

000° 54' 34.214" W

Protection structure

PN5

57° 50' 44.988" N

000° 54' 38.071" W

Xmas Tree

PN7

57° 50' 45.401" N

000° 54' 36.426" W

Xmas Tree

IN1

57° 50' 45.817" N

000° 54' 34.780" W

Xmas Tree

IN2

57° 50' 43.312" N

000° 54' 32.569" W

 

See detailed map on our bulletin website

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Rig Movement - Paul B Lloyd Junior



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 Spitsbergen



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


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Rig Movement - Deepsea Atlantic



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


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Rig - Maersk Invincible



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


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Rig - Ensco 92



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


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Ninian North jacket



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


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

See detailed map on our bulletin website

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Survey - Debris Survey Ref:1130



A 13 day Debris Survey, expected to start 26 August 2020, vessel GEO Ocean III Call Sign: LXGP


Company Vessel

Towed Cable

Length & Depth

Duration Survey Block

Enquest Heather Ltd

GEO Ocean III

LXGP

 

8100m

8m

26/08/2020

For 13 Days

2/5
See detailed map on our bulletin website

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Rig - Maersk Integrator



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


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



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


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

See detailed map on our bulletin website

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Abandoned Well - 48/30-7



This wellhead has been removed from the seabed.


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Rig - Stena Spey



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


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Rig - Deepsea Yantai



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


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Rig Move - Transocean PBLJ to Callanish Field



Chrysaor plan to move the Transocean PBLJ semi-submersible drilling rig from Cromarty to the Callanish field location to drill subsea development well 21/04a-FP.


Destination

Callanish development well 21/04a-FP.

57°59' 31.26"N

0°45' 07.00"E.

 

Mooring involves 8 (pre-laid) anchors. 

guard vessel will be on location between the pre-lay and rig arrival. Throughout drilling 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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Dropped Large Anchor



A large anchor has been dropped to the seabed by the fishing vessel 'Benarkle' (PD400). The anchor is approximately 3nm SSE of the Ninian South platform.


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Pre positioned MODU Anchors - Serica Rum 3



8 x prepositioned anchors to be installed in support of the Serica Rhum (R3) well intervention operation


8 x 12te Stevpris MK VI anchors will be pre positioned to support the works of the WilPhoenix on the Serica Rhum 3 well intervention operation. The anchors, 4te sub surface buoys and anchor chains will remain in place for the duration of the Rhum well intervention operation. For further information on chain, anchor, touch down and subsurface bouy locations see attachement

See detailed map on our bulletin website

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Topsides and Jacket Removal - Brent Alpha Platform



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


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Wet Storage of Caisson Sections - Bruce 500m Safety Zone



Caisson Wet Storage Location


The wet storage area will, when complete, consist of eight by one tonne gabions with two sections of redundant caisson resting on them. The two caisson sections are 20 metres and 18.5 meters in length weighing 18.4 tonnes and 10.3 tonnes respectively. Six by one tonne gabions were placed on the seabed with the 20 meter section of caisson resting atop of them on the 12th of June 2020. The date when the second 18.5 meter section of caisson will be position in the wet storage area has not yet been determined. 

See detailed map on our bulletin website

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Dropped Anchor



Trawler J. Bergvoll Call Sign: LLAJ had come fast to an anchor in Position: 61°32.500'N 001°33.200'E and was dropped in Position: 61°30.371'N 001°40.812'E . Trawl damaged.


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Survey - Pipeline Inspection EV01 Triton FPSO (Ref: 1127)



A 5 day pipeline and umbilical routes survey from the proposed EV01 well location to a position close to the edge of the 500m zone at the Triton FPSO. Using Vessel Fugro Venturer Call Sign: C6CG3


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Tailwind Mistral Ltd

Fugro Venturer

C6CG3

N/A

10/08/2020 - 31/01/2021

For 5 Days

21

See detailed map on our bulletin website

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Survey - Pipeline Inspection Cygnus Field (Ref: 1126)



A 13 day inspection survey will be undertaken along a number of pipelines/umbilicals in the Cygnus field using an ROV. Using Skandi Carla Vessel Call Sign: C6RX4


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Neptune E&P UK Ltd

Skandi Carla

C6RX4

N/A

01/08/2020 - 31/01/2021

For 13 Days

44, 43

See detailed map on our bulletin website

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Leadon Area – Possible Trawl Hazards



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


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Drilling - Noble Sam Hartley Golden Eagle Infill



Noble Sam Hartley HDJU undertaking infill drilling from the Golden Eagle platform.


The Noble Sam Hartley will be positioned by wellhead platform 'W' from August 2020 for up to 1 year. The Noble Sam Hartley has three jack-up legs with spud cans to support and stabilise the rig on the seabed and is held in position by a 4-anchor mooring spread.  Once the rig is in position, the anchors and chains will be removed.

See detailed map on our bulletin website

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Rig - Ocean Patriot



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


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Survey - Evelyn EV1 (Ref: 1118)



A 5 day survey survey of Evelyn EV1 using the Fugro Venturer Call Sign:C6CG3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

2m

3m

10/08/2020 - 31/01/2021

For 5 Days

21

See detailed map on our bulletin website

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Survey - Evelyn Development Route (Ref: 1117)



A 5 day survey survey consisting of a pipeline and umbilical routes survey from the proposed EV01 well location to a position close to the edge of the 500m zone at the Triton FPSO using the Fugro Venturer Call Sign:C6CG3.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

 

10/08/2020 - 31/01/2021

For 5 Days

21

See detailed map on our bulletin website

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Rig : Maersk Highlander



The jack-up rig Maersk Highlander is alongside Culzean WHP – within 500m zone, UKCS Block 22/25a


The jack-up rig Maersk Highlander is alongside Culzean WHP – within 500m zone, UKCS Block 22/25a

See detailed map on our bulletin website

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Survey - Evelyn Development



Petrofac will be carrying out a Marine Survey operation on the Evelyn Development Area Block 21/30 around the 10th August 2020 till for approximately 10 days. The operation is however permitted for between the 10th of August till the 31st of Jan 2021.


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Rig Movement - Seafox 2



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


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Pile Installation - Penguins Field



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


Details of Seabed - West Cluster

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

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

 

Details of Seabed - North East Cluster

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

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

 

Details of Seabed - Southern Cluster

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

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

Note: 30m pile is installed in this fast frame

See detailed map on our bulletin website

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Survey - (Ref: 1109)



A 1 day single location survey at FID Fibre VSP


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Total E&P North Sea UK Limiited TBC

5m

01/08/2020 - 31/12/2020

For 1 Day

29

See detailed map on our bulletin website

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Survey - (Ref: 1108)



A 7.5 day Survey around the Culzean Wells


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Total E&P North Sea UK Limiited TBC

N/A

01/08/2020 - 31/10/2020

For 7.5 Days

22

See detailed map on our bulletin website

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Decommissioning - Viking & Vulcan



Platform removal operations are planned to resume in mid-April 2020 and shall be conducted by two Heavy Lift vessels; Bokalift 1 – Mobilising mid - April for a ~70 day campaign. Gulliver – Mobilising mid - June for a ~100 day campaign.


Southern North Sea Gas Operations operated by Chrysaor Production U.K. Ltd have come to the end of their producing life and are in the process of being removed as part of a decommissioning project.

 

In total 9 satellite platforms where removed in the Viking & Vulcan field as part of the 2019 platform removal campaign. Platform removal operations are planned to resume in mid-April 2020 and shall be conducted by two Heavy Lift vessels;

 

  • Bokalift 1 – Mobilising mid - April for a ~70 day campaign. (Scope Now Complete)
  • Gulliver – Mobilising mid - June for a ~100 day campaign. (Scope Ongoing)
Location Operations Position Removal Schedule
Viking Complex Platform Removal 53°26.800’N 002°19.900’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Caister CM Platform Removal 54°12.100’N 002°27.000’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Ganymede ZD Platform Removal 53°19.500’N 002°14.200’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking CD Subsea Operations 53°25.400’N 002°22.600’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking ED Subsea Operations 53°26.000’N 002°09.200’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking HD Subsea Operations 53°29.800’N 002°19.400’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking AR Platform Removal 53°32.000'N 002°15.400’E Gulliver Topsides Removed, Jacket remains in situ
Europa EZ Platform Removal 53°14.800’N 002°17.800’E Gulliver June - End Oct 2020
Vampire OD Platform Removal 53°27.800’N 002°02.400’E Gulliver Topsides Removed, Jacket remains in situ
Viscount VO Platform Removal 53°23.200’N 002°08.900’E Gulliver June - End Oct 2020
Viking Complex Platform Removal 53°26.800’N 002°19.900’E Gulliver June - End Oct 2020

 

All locations detailed above have an established 500 meter safety exclusion zone, where the platform remains in situ nav aids are installed exhibiting the characteristics detailed below. It should be noted that Viking CD, ED & HD where removed from location in 2019, the 500meter safety exclusion zone remains.

  • All round white flashing light, Morse (U); flashing every 15s; with a 10nm nominal range and visible from 360 degrees in the horizontal plane
  • Virtual AIS marking transmitting on Navigational Warning Message Channel 21

All vessels are requested to maintain a wide berth from vessels engaged in platform removal and subsea operations when operating in the vicinity of the above locations detailed herewith and during the transportation phase into Great Yarmouth Outer Harbour.

 

The established 500 meter safety exclusion zone at the location of each platform to be removed shall remain enforceable until such time as notified otherwise (note the presence of the exclusion zones shall extend beyond the physical removal of the platform).

 

Following platform removal, Trawl snag hazards may remain at each of the locations until such time as a subsequent seabed clean up and debris removal campaign has been completed.

 

All mariners are advised to avoid the above mentioned locations and remain clear of the statutory 500m safety exclusion zone.

See detailed map on our bulletin website

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FPSO Petrojarl Banff Off-station - Mooring Disconnect, Tow, Subsea Well Isolation and Disconnection.



FPSO Petrojarl Banff Off-Station – Mooring Disconnect, Tow, Subsea Well Isolation and Disconnection.


Three vessels are expected to mobilize to the Banff Field in August to commence and disconnect and tow the FPSO Petrojarl Banff from the Field to temporary mooring at Scapa Flow. The disconnection work is expected to take about 5 days,

 

Prior to the  disconnection or the FPSO from the  Banff Field, the Technip operated DSV Deep Discoverer would have completed the subsea well isolation and disconnection of the Banff and Kyle trees. The work commenced the 13th June and is expected to last for 35 days.

 

Prior to 31st October the mooring system, dynamic  risers and umbilical will be recovered.

See detailed map on our bulletin website

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Decommissioning - Ninian Platform



Installation of two cardinal buoys in proximity to Ninian North Platform, prior to decommissioning & topsides / jacket removal by Pioneer Spirit.


West cardinal buoy (Fl. Q. (9). 15s), including ground tackle, with 400m excursion radius. Buoy fitted with AIS.

East cardinal buoy (Fl. Q. (3). 10s), including ground tackle, with 400m excursion radius. Buoy fitted with AIS.

See detailed map on our bulletin website

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Rig - Seafox 4



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


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Fishing Hazard



Details of fishing hazard


A fishing vessel had to release a large clump of concrete back to the sea bed after having become snagged. The concrete clump could pose further risk to fishermen. The lump had broken into two parts.

See detailed map on our bulletin website

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Survey - Ref: 1090



A 7.5 day Culzean Wells Survey


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North

TBA

2m

5m

01/07/2020 - 31/10/2020

For 7.5 Days

22

See detailed map on our bulletin website

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Rig : Rowan Gorilla 5



The jack-up rig Rowan Gorilla 5 is alongside West face of Franklin WHP – within 500m zone, UKCS Block 29/5b


The jack-up rig Rowan Gorilla 5 is alongside West face of Franklin WHP – within 500m zone, UKCS Block 29/5b

See detailed map on our bulletin website

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Pipeline Span - Dunbar to Alwyn: PL1043



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


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

See detailed map on our bulletin website

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Plugged and Abandoned Well : Sween



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


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

See detailed map on our bulletin website

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



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


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

 

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

 

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

 

See detailed map on our bulletin website

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Plugged and Abandoned Well : Balvenie



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


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

See detailed map on our bulletin website

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Plugged and Abandoned Well : Alwyn South



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


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

See detailed map on our bulletin website

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Rig - Maersk Intrepid



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


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Rig - Rowan Viking



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


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Cable Installation - Johan Sverdrup Field



Installation and burial of permanent reservoir monitoring (PRM) cables at Johan vessel " Ile de Batz" (IMO 9247041)& "Olympic Electra" (IMO 9547415) from 29 May 2020- 25th October 2020


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Survey - (Ref: 1086)



A 2 day Survey, expected to start June 2020 Vessel "MV Fugro Frontier call sign: C6BH4"


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro Marine

Netherlands B.v

Fugro Frontier

C6BH4

 

04/06/2020 - 30/11/2020

For 2 Days

42/24

See detailed map on our bulletin website

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Rig - Valaris Gorilla VI



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


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Survey - Ref:1076



A 45 day Survey, expected to start 10 May 2020, with the vessels "Amazon Warrior" (3FNE9) "SW Cook" (5BPC2) "Vivre G" (HO9384) and "Ocean D" (ZDJY8)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater Geoservices Ltd

Amazon Warrior (3FNE9)

SW Cook (5BPC2)

Vivre G (HO9384)

Ocean D (ZDJY8)

 

01/05/2020 - 31/10/2020

For 45 Days

21, 22

See detailed map on our bulletin website

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Survey - Ref:1036



A 245 day Survey, expected to start 01 March 2020, with the vessels "Sanco Star" (ZDIT8) "Normand Tonjer" (LAXJ5) and "MAC Pagasus" (9HA3722)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CCG Services (UK) Limited

Sanco Star

ZDIT8

Normand Tonjer

LAXJ5

MAC Pegasus

9HA3722

 

01/03/2020 - 31/10/2020

For 245 Days

22,23,29 & 30

See detailed map on our bulletin website

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Freespans - Breagh Pipelines



Two freespans have been identified on the 20” gas export line (PL2768). Please exercise caution in this area.


Start Position End Position

Length (m)

Height  (m)

54°36.952'N 00°14.608'E 54°36.952'N 00°14.599'E 23.15 1.00
54°39.576'N 00°49.814'W 54°39.577'N 00°49.827'W 30.37 1.00

 

See detailed map on our bulletin website

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Rig - Deepsea Nordkapp



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


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Rig - Stena Don



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


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Rig - Valaris 122



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


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Uncharted Wreck



Recent wreck reported to UKHO by M/V Northern Wind (Clinton Marine Survey)


The Wreck lies on about 18m depth, it is about 17m long, 4.5m wide & sticks up 1.5m from the seabed

See detailed map on our bulletin website

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Rig - Foinaven Petrojarl FPSO



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


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Rig - Rowan Stavanger



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


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Rig - 590021



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


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Rig - Borr Ran



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


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Rig - Maersk Interceptor



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


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Rig - Ensco 120



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


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Rig - Maersk Guardian



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


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Rig - Maersk Reacher



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


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Pipeline Span - PL3088, Cygnus Field



The PL3088 Cygnus Export Pipeline Span located ~21km South West of Neptune’s Cygnus Alpha Complex.


The PL3088 Cygnus Export Pipeline Span located ~21km South West of Neptune’s Cygnus Alpha Complex, as reported during the 2019 pipeline inspection campaign. The 29m span length and 0.26m span depth shown below could present a Hazard to Fishing.

 

Start Position End Position Length (m) Height (m)
54º27.672’N   02º01.612’E 54º27.664’N   02º01.589’E 29m 0.26m

 

See detailed map on our bulletin website

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Rig - Noble Lloyd Noble



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


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Rig - Esvagt Capella



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


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Rig - Safe Caledonia



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


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Rig - Glen Lyon



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


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Rig - Mizu FPSO



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


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Rig - Island Innovator



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


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Breagh Pipelines - Exposed Fibre Optic Cable



The Breagh fibre optic cable (PL2770) is exposed on the seabed along various stages of the route between Redcar and the Breagh A platform.


A scallop dredger became snagged on an exposed section of the fibre optic cable in June 2019 causing serious damage to the fibre optic cable and subsequently had to abandon retrieval of his gear for safety reasons.  This notification is made to the fishermen, operating between Redcar and the Breagh A platform, to be advised that the fibre optic cable represents a serious snag risk to both scallop dredgers and static gear fishing in the vicinity of the line.

 

Fishermen are advised to stay away from the line to avoid the risk of becoming snagged on the unburied sections of cable.

 

Breagh Alpha Platform 54°35.693'N 000°25.926'E
IP1 54°36.372'N 000°24.471'E
IP2 54°37.462'N 000°06.365'W
IP3 54°38.642'N 000°40.856'W
IP4 54°39.893'N 000°55.992'W
IP5 54°37.757'N 001°04.765'W

 

See detailed map on our bulletin website

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