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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 Oceans – Pipelay Operations (Subsea 7) Pierce Depressurisation Project scopes – Infield 04/09/20 – Depart Field on 21/09/20

  • Pipelay operations from Pierce to Shearwater (32km)

 

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 04/10/20 – Depart Field on 01/11/20

  • 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 06/10/20 – 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)

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
Eine detaillierte Karte finden Sie auf unserer 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. 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 04/10/20

  • 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

Siem Spearfish - Umbilical Installation Operations (Subsea 7) Arran Field Development – Infield 19/08/20 – Depart Field on 24/09/20

  • Crossing install (SW FGLRP 14" SSIV Tie-in spools)
  • Umbilical SW to Columbus & as laid
  • Arran South to Columbus & as laid survey
  • Arran North to Arran South & as laid survey

Seven Arctic – Structure Installation (Subsea 7) Arran Field Development – Infield 27/09/20 – Depart Field on 08/10/20

  • ANTIS & CTIS structures installation

RDV (TBC) – Rockdump Operations – Arran Field Development – Infield 17/10/20 – Depart Field on 31/10/20

  • Rockdump

 

ROVSV (TBC) – Pipeline Operations (Subsea 7) - Arran Field Development – Infield 31/10/20 – Depart Field on 06/11/20

  • Pipeline Strength Test
Eine detaillierte Karte finden Sie auf unserer 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 14/10/20 – Depart Field on 19/10/20

  • Rockdumping over trench transitions at Gannet A and Gannet D
  • Rockdumping over Gannet G crossing
  • Potential remedial rockdump based on as-left pipeline trenching
Eine detaillierte Karte finden Sie auf unserer 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 4th to 31st October 2020.


The earliest start date for operations to commence is 4th October. The flushing and disconnection operations of the infrastructure are expected to last 20 days, carried out between 6th and 26th October All flushing and disconnection works will be undertaken from the Seven Atlantic DSV

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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 9th and 27th October by the Siem Spearfish.

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Rig - COSL Pioneer



Two Anchor handling vessels the Loke Viking and Njord Viking will arrive in the Buzzard field on Monday 21st September 2020. They will detach the COSL Pioneer from its anchors and then recover the pre-laid anchor spread


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

 

The COSL Pioneer will be leaving the field on 22nd September 2020

 

A construction vessel will arrive in the Buzzard field at a later date (TBC) to recover a pull in wire, and 4 x gravity bases. This bulletin will be updated with details once they are available.

 

Eine detaillierte Karte finden Sie auf unserer 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 on location to perform pull-ins and tie-ins operations at Varadero and Catcher North Laverda until 04/10/20.
  • Seven Arctic Construction Support Vessel will mobilise 21/09/20 for 1 week for Catcher North Laverda drilling template installation

**** Pipelines and umbilical ends remain unprotected at Varadero 56°48.410'N 000°42.430'E and Catcher North Laverda 56°48.927'N 00° 44.087'E. ****

Eine detaillierte Karte finden Sie auf unserer 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 preparatory 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) and partial connection 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

 

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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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

 

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Thames Pipeline, Acoustic and Visual Pipeline Inspection



On behalf of Independent Oil and Gas, Titan Environmental will be performing a sonar and visual inspection of the Thames pipeline, located in the UK sector of the southern North Sea.


The work will consist of operating vessel mounted and towed sensors to scan the seabed either side of the pipeline route in three discrete sections, at the landfall nr. Bacton, Norfolk, the Ower Bank and the Leman Bank.

 

The work will be performed by the vessel Titan Discovery

 

Call sign: 2HCR3

MMSI: 235102534

 

LOA: 13 metres,

Breadth: 5 metres

 

Operations will be conducted on a nominal 12-hour daytime basis, operating from the port of Lowestoft, Suffolk, UK.

 

During the survey operations the vessel will be restricted in changes to course and speed.

 

It is requested that all vessels in the area maintain a safe distance of 500 metres and pass at reduced speed.

 

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

 

 

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Survey / Inspection Ops - NNS Wellheads Inspections



The Skandi Hera (Call Sign: LAPT) will be operating within multiple subsea 500m safety zones in UKCS Quad 3 and Quad 9. In addition the vessel will be working outside 500m zones at the two locations below, during the period 18th Sept to 1st Oct 2020.


The Skandi Hera  (Call Sign: LAPT) will be carrying out wellhead inspections within multiple subsea 500m safety zones in UKCS Quad 3 and UKCS Quad 9.  In addition the vessel will be working outside 500m zones at the two locations below, during the period 18th Sept to 1st Oct 2020.

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Noble Sam Turner at Finzean



The jack-up rig Noble Sam Turner is installed at the Finzean location in the Outer Moray Firth to drill an exploration well.


The jack-up rig Noble Sam Turner is installed at the Finzean location in the Outer Moray Firth to drill an exploration well.   Rig is expected to be at that location for up to 3 months.

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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3D Seismic Survey



R/V Amazon Warrior conducting a 3D seismic survey


Vessel has deployed an array of 8 streamers of 7200m length towed 9 meters below the surface. The ends of the streamers are marked with a buoy with a flashing white light. The vessel is running survey lines on headings 91° and 271°

 

 

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CSV Operations - Gryphon MWA Remedial Works



The Normand Ocean (Call Sign: LFNI3) will be carrying out Inspection, Repair & Maintenance (IRM) operations within the Gryphon FPSO area, between: 27th August to 19th September 2020.


The Normand Ocean (Call Sign: LFNI3) will be carrying out  Inspection, Repair & Maintenance (IRM) works on the Thether Bases of the Gryphon Riser Mid-Water Arches (MWAs), within the Gryphon FPSO area, between:  27th August to 19th September 2020.

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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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 3rd 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 3rd Oct 2020

Eine detaillierte Karte finden Sie auf unserer 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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Nearshore Pipeline Inspection - Dimlington/Easington



The survey will inspect pipelines and power cables from approx 10 m Lowest Astronomical Tide (LAT) contour to landfall at the Dimlington gas terminal.


The survey will inspect pipelines and power cables from approx 10 m Lowest Astronomical Tide (LAT) contour to landfall at the Dimlington gas terminal.

 

Survey will be done with ASV (unmanned). No towed equipment will be used.

 

Expected duration 2-4 days

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Survey in UKCS Blocks 15/27 & 15/28



5 day Multibeam, Sidescan Sonar and Environmental Sampling Survey within UKCS Blocks 15/27 & 15/28. Using the vessel Fugro Venturer.


MV Fugro Venturer

Company Vessel Towed Cable Duration Survey Block
Hess Limited Fugro Venturer

Length 300m

Depth 140m

5 Days UKCS Block 15/27 & 15/28

 

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Bressay well P&A



Plug and abandonment of Bressay suspended well 3/28-1 in the Bressay Field


Plug and abandonment of Bressay well 3/28-1 to be carried out in late September with the vessel:

 

Island Vanguard

Call Sign: LNVU

Contact: +47 23 67 41 20 / 21 / 23

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Dropped Mattress - Shell 34" Pipeline



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. To be Recovered.


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 application will be submitted to BEIS to request recovery.

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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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DSV IRM Operations - NNS 2020 Campaign 4



The Rever Polaris (Call Sign: MYKR6) will be carrying IRM (Inspection Repair Maintenance) operations in the vicinity of the locations listed below, between: 17th to 29th September 2020.


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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.

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Survey - Fram Field (Ref: 1114)



A 21 day survey around the Fram Field from around 1 September 2020 until 30 September 2020. Vessel: Cecilia (OZ2157).


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
CGG Services (UK) Limited

Cecilia

OZ2157

N/A

01/09/2020 - 30/09/2020

For 21 Days

29

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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

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Well Intervention Activities - Chestnut Field



The Helix Well Enhancer will be mobilising from Aberdeen on or around the 25th August 2020 to undertake intervention activities in the Chestnut field followed by the Trees field area. The vessel is expected to be at each location for approx 7 to 10 days.


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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
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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. 

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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 - Ocean Endeavor



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:1084



A 86 day Survey, expected to start 01 June 2020, vessel SW Amundsen Call Sign: 5BXE2


Company Vessel

Towed Cable

Length & Depth

Duration Survey Block

Shearwater

GeoServices AS

SW Amundsen

5BXE2

 

8100m

8m

01/06/2020

For 86 Days

210, 211, 002, 003
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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.  

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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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Abandoned Well - Murchison well 211/19-2



Abandonment of subsea well 211/19-2, removal of wellhead protection structure and associated pipeline.


Commencing approx 20th July, for a period of up to 4 weeks, vessel MSS Inventor (Callsign MCJD5) will be carrying out subsea decommissioning activities including:

  • Well 211/19-2 final abandonment.
  • Removal of wellhead protection structure and associated equipment - this includes the use of explosive cutting methods below seabed.
  • 600 metres of pipeline bundle cutting & removal, on a route northwards between the wellhead location and the decommissioned Murchison platform location.

Associated seabed debris removal in the surrounding area.

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Pipelay Activity - Apache II, SUV-1 Survey, Seagull



Apache II – Pipelay – Infield 20/09/20 - Depart 03/10/20; SUV-1 Survey, Pipelay & Precomm Ops – Infield 09/09/20 - Depart 22/09/20; TSV-1 SEAGULL Trenching/Backfill, Post-Lay Trenching & Backfill Operations - Infield 22/09/20 - Depart 05/10/20


Apache II – Pipelay – Infield  20/09/20 - Depart Field on 03/10/20

  • Infield Operations - 10"/14" Pipeline c/w 3.5" piggyback Installation
  • 10"/14" Pipeline c/w 3.5" piggyback Installation
  • DMA Installation
  • Lay 4.77km of 10"/14" from Seagull to Egret

SUV Normand Mermaid, Pipelay Support and Precomm Ops – Infield  09/09/20 -Depart Field on 22/09/20  

  • Apache Pipelay Support - 10"/14" & 3.5" Piggyback
  • As-Laid Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • As-Trenched Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • FCG 10"/14"PiP 
  • High Speed Flushing - 3.5" Piggyback 190 GEL Slugging - 10"/14" Pipeline
  • Conduct As-Trenched Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • Install Mattresses on end of Pipeline
  • Install Mattresses on end of Pipeline
  • Install Markers & Umbilical Crossings

TSV-1 Normand Ranger,  SEAGULL Trenching / Backfill Vessel - Post-Lay Trenching and Backfill Operations- Infield 22/09/20 - Depart Field on 05/10/20

  • Infield Operations 1 - Gannet & Seagull 10"/14" PiP & 3.5" Piggyback Pipeline
  • As-Laid Survey
  • Trench 10"/14" PiP & 3.5" Piggyback Pipeline

 

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Cardinal Buoys - Banff Field



Two cardinal buoys and one marker buoy will be installed at the Banff Field during early to mid 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.

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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

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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. 

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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

TBC

8000m

15m

22/08/2020 - 31/10/2020

For 15 Days

15,16,21,22

Eine detaillierte Karte finden Sie auf unserer 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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Decommissioning Activities at the Pickerill B Installation



Topsides Dismantlement of the Pickerill B Installation


Planned topside dismantlement works are due to commence on the Pickerill B Platform (UKCS 48/11a). Due to unexpected delays, the Energy Endeavour is now due to depart from Sagro Yard, Vlissingen in the Netherlands 5th August 2020 (dependent on weather) and transit to the Pickerill field, where it will commence Topsides dismantlement operations.

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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

Eine detaillierte Karte finden Sie auf unserer 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

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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.

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Survey - Nearshore Pipeline Inspection (Ref: 1121)



A 21 day Nearshore Pipeline Inspection. The survey will inspect pipelines and power cables from approx 10 m Lowest Astronomical Tide (LAT) contour to landfall at the Bacton, Dimlington, Easington and Theddlethorpe gas terminals.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Perenco UK Limited

TBC

2m

3m

16/08/2020 - 01/10/2020

For 21 Days

52, 47

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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 - 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 - Shallow Drilling Operations (Ref: 1123)



A 7 day Shallow Drilling Operation Marine Survey from around 21st August 2020 until 30th September 2020 Using The Fugro Synergy Call Sign: C6XR4.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shell UK Limited

Fugro Synergy

C6XR4

N/A

21/08/2020 - 30/09/2020

For 7 Days

22

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Survey - Shallow Drilling Operations (Ref: 1122)



A 7 day Shallow Drilling Operation Marine Survey from around 21st August 2020 until 30th September 2020 Using The Fugro Synergy Call Sign: C6XR4.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shell UK Limited

Fugro Synergy

C6XR4

1200m

3m

21/08/2020 - 30/09/2020

For 7 Days

22

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Abandoned Well - 21/18-8



This wellhead has been removed from the seabed. A seabed clearance certificate has been issued.


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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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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 for approximately 103 days. The Stena Spey will undertake the drilling operations.


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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

Eine detaillierte Karte finden Sie auf unserer 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

Eine detaillierte Karte finden Sie auf unserer 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

Eine detaillierte Karte finden Sie auf unserer 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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Rig Movement - West Hercules



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


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Survey - Pipeline inspection off St Fergus. (Ref: 1111)



A 8 day nearshore acoustic pipeline inspection off St Fergus.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro GB Marine Ltd

Fugro Seeker

2HC52

 

07/08/2020 - 30/09/2020

For 8 Days

19

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Pipeline Spans - CATS



Pipeline Spans PL774 Height: 1.00m, 36.10 Length, PL774 Height: 1.30m, 42.90m Length.


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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

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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

Eine detaillierte Karte finden Sie auf unserer 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

Eine detaillierte Karte finden Sie auf unserer 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.

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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.

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Drilling - Douglas 110/13D



The Irish Sea Pioneer will be drilling at the Douglas 110/13D Location from 3rd July 2020 for 60 days.


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

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Survey - JFMS ENI Liverpool Bay



Acoustic survey, burial depth, bathymetric inspection of whole pipeline system. Acoustic Survey of critical locations on pipeline routes ROV /Acoustic Inspection of Wellheads. Visual /Acoustic Survey of Platform stand-off locations.


James Fisher Marine Services are to undertake the following during the of summer 2020:

  • Acoustic survey of all Liverpool Bay Asset pipeline assets;
  • Acoustic survey of Liverpool Bay Asset platform approach zones;
  • Visual survey of Liverpool Bay Asset wellheads;

Survey operations will be delivered in two phases:

  • Offshore survey operations in to the 10 m (LAT) contour on PL1030 will be conducted from the Marshall Act (call sign 2EMY5), operating on a 24 h basis;
  • Inshore survey operations from the 10 m (LAT) contour to highest astronomical tide (HAT) point will be conducted from the Fast Fisher (call sign 2GGN4), operating on a 12 h basis.

Both vessels will be mobilised with a multibeam echo sounder (MBES) and side scan sonar (SSS), as well as the requisite positioning equipment.

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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.

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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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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.

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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

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Survey - Ref:1101



A 2 day Survey, expected to start 15 July 2020, with the vessel "Fugro Venturer" (C6CG3)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

400m

3m

15/07/2020 - 30/09/2020

For 2 Days

22

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Survey - Ref:1100



A 2 day Survey, expected to start 15 July 2020, with the vessel "Fugro Venturer" (C6CG3)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

400m

3m

15/07/2020 - 30/09/2020

For 2 Days

22

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Decommissioning Pipeline Works - Banff & Kyle Fields



Teekay Petrojarl Floating Production UK Ltd is decommissioning planning pipeline works in the Banff and Kyle fields.


Teekay Petrojarl Floating Production UK Ltd gives notice of its intention to undertake pipeline works in the Banff and Kyle Field areas, currently planned to commence 13th June 2020.  The works, described as Banff and Kyle Field Decommissioning Phase 1 activities includes:

 

  • Flushing of subsea infrastructure
  • Positive isolation of all trees on Kyle and Banff fields from subsea infrastructure
  • Cutting of dynamic risers and umbilicals from FPSO Petrojarl Banff and export riser from FSO Apollo Spirit
  • Cut risers close to connection points at seabed and retrieve all risers and umbilicals for recycling.

The pipelines are subject of three PWA Variation Applications. OGA References are PWA 37/W/97, PWA 34/W/98 and PWA 02/W/07.

 

Current known vessel activity in the area is as follows:

 

Operations Vessel In Field

Banff Fields Subsea Wells

Isolations and Gas Export line

disconnection from CATS system

DSV Deep Discoverer 13/06/20 - 10/07/20

Kyle Fields Subsea Wells

Isolations

DSV Deep Discoverer 01/08/20 - 20/08/20
FPSO and FSO Removal TBA 20/07/20 - 20/08/20
Pick up of risers and Umbilicals TBA 01/08/20 - 15/10/20

 

 

Key Locations are:

Field Location Position
Banff Field - Platform FPSO Petrojarl Banff

57°00.073'N 001°17.638'E

Banff Field - FSO Apollo Spirit

57°00.728'N 001°19.664'E

Banff Field Manifold

56°54.885'N 001°18.937'E

Kyle North

56°09.168'N 001°13.328'E

Kyle South Manifold

56°59.408'N 001°18.937'E

 

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Wet Store Area - Loyal Drill Centre



An area near the Loyal Drill Centre (West of Shetland) has been designated as a wet store area. This area shall be used between July and September 2020 to store a variety of project items such as flowlines and baskets.


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Wet Store Area - Schiehallion Central Drill Centre



An area near the Central Drill Centre (Schiehallion, West of Shetland) has been designated as a wet store area. This area shall be used between July and September 2020 to store a variety of project items such as flowlines and baskets.


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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

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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

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Pipeline Span - Gryphon Gas Export to Beryl : PL1894



Significant free-spans have been identified along the PL1894 Gryphon to Beryl


Significant free-spans have been identified along the PL1894 Gryphon to Beryl : Please exercise caution in these areas

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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.

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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.

 

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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.

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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.

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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

Eine detaillierte Karte finden Sie auf unserer 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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Drilling - Pierce Field



The Ocean Endeavor is scheduled to move to the Pierce field to Drill to drill two wells on 30/04/2020. The rig will be on location in the field for approximately 145 days and will operate under 1 anchor pattern.


Field Position Start/Finish Duration
Pierce 57°10.048'N 002°15.361'E 30/04/2020 145 Days
Pierce 57°10.069'N 002°15.369'E 30/04/2020 145 Days
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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

Eine detaillierte Karte finden Sie auf unserer Bulletin-Website

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Decommissioning - Amethyst C1D Platform



Decommissioning activity will be taking place on the Amethyst C1D platform from 1st May until 30th September 2020


Platform: Amethyst C1D Platform

 

Location: 53°38.743' N 00°36.224'E

 

Activity: Arrival and siting of jack up barge (Erda) alongside the platform for rendering the platform hydrocarbon free in preparation for the removal of the platform.

Date of commencement: earliest start date 1st May  2020

Estimated date of completion: 30th September 2020

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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

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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

 

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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 - Energy 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 - (Ref:1072)



10 day survey, 6th April - 30th September 2020, vessel "TBC"


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
CNOOC Petroleum Europe Ltd

TBC

 

1200m

3m

06/04/2020 - 30/09/2020

For 10 Days

14/26, 20/1
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Survey - (Ref:1063)



8 Day survey, Block 15 vessel TBC, 15 April 2020


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CNOOC Petroleum Europe Ltd

TBC

 

15/04/2020 - 30/09/2020

For 8 Days

15
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Survey - (Ref: 1058)



0.5 day survey performed from the Tiger Lily Exploration well VSP on 1 May 2020


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Equinor UK Ltd

Performed from Rig

 

01/05/2020 - 30/11/2020

For 0.5 Days

16
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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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NEW Brodgar Pipelines (NOT ON FISHSAFE)



A 10" gas pipeline and umbilical have been installed between two Brodgar wells. These were not submitted in time for including in FishSAFEv39 (January 2020) and so will not be FishSAFE data until July 2020.


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NEW Finlaggen Pipelines (NOT ON FISHSAFE)



A 14" gas pipeline and umbilical have been installed by Zennor from the Finlaggen Drill Centre to the Britannia Platform. These were not submitted in time for including in FishSAFEv39 (January 2020) and so will not be FishSAFE data until July 2020.


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Abandoned hoses and cables - Ninian Field



Pipeline installation Anchor - 2m x 2m x 1m


Abandoned / cut hoses and associated chain / wire debris. Recent survey activity has identified the presence of abandoned & cut hoses and related chain / wire debris, associated with the disused pipelines between Ninian Central and abandoned well 3/3-5A, which may represent a hazard to fishing activities. Exercise caution in the area.

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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

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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 Resolve



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 Spans - Camelot Field



An old pipeline system from Camelot, platform and wells were abandoned a few years ago, and the pipelines were flushed and left partially buried.


Please be advised that an old pipeline system from Camelot, platform and wells were abandoned a few years ago, and the pipelines were flushed and left partially buried.

 

Shifting sands have now revealed the spans as below.

 

Please exercise caution in this area

 

Start Position End Position Length (m) Height (m)
52°57.537'N 002°10.497'E 52°57.545'N 002°10.512'E 23.15m 1.14m
52°58.616'N 002°12.813'E 52°58.625'N 002°12.835'E 30.37m 0.91m
52°58.647'N 002°12.884'E 52°58.651'N 002°12.893'E 12.33m 3.99m
53°02.272'N 002°14.102'E 53°02.279'N 002°14.102'E 11.79m 0.31m

 

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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

 

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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

 

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