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Remedial Work - Gryphon MWA



The Rever Polaris (Call Sign: MYKR6) will be carrying IRM operations within the Gryphon FPSO area, between: 28th July to 8th August 2020.


The Rever Polaris (Call Sign: MYKR6) will be carrying IRM operations within the Gryphon FPSO area, between:  28th July to 8th August 2020.

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Leadon Area Trawl Sweep



The Vessel Valhalla TBC (Call Sign: ????) will be carrying out seabed Trawl Sweep operations within the Leadon Field area, between: 27th July to 5th August 2020.


The Vessel Valhalla TBC (Call Sign: ????) will be carrying out seabed Trawl Sweep operations within the Leadon Field area, between:  27th July to 5th August 2020.

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Survey ROV - Sean platform to Bacton



IRM ROV pipeline survey by Edda Flora - Survey the P311 gas export pipeline from the Sean platform to Bacton from 6th July to 12th July 2020.


Edda Flora  to complete a pipeline survey

Sean RD to Sean PD 20" GVI and CP Survey

Survey the P311 gas export pipeline from the Sean platform to Bacton

See detailed map on our bulletin website

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Mariner Field - ROV Pipeline Inspection



Visual ROV inspection of various Mariner Field pipelines


Planned ROV visual inspection of Mariner Field pipelines to be carried out late July / early August.

 

Company Vessel(s) Towed Cable Length, Width & Depth Duration Block(s)
Equinor UK Ltd Edda Flora - LAJW3 N/A - ROV inspection ~ 10 days 9/11

 

See detailed map on our bulletin website

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Tolmount to Easington Pipeline Construction



Saipem Ltd will be performing offshore construction works, including pipelay activities, on behalf of Premier Oil Ltd on the proposed Tolmount Area Development located in block 42/28d of the Southern North Sea, approximately 50km North East of Easington


The works will be performed on the Tolmount to Easington pipeline route which is approximately 48 km in length and is located in the North Sea east of Bridlington. The pipeline will terminate offshore at the Minimum Facilities Platform (MFP) location.

 

The works will consist of:

  • Inshore dredging operations
  • Route preparations
  • Pipelay and associated support and completion activities
  • Subsea tie-in activities at the platform end pipeline termination

Two discrete operating areas are identified as follows;

  1. Inshore Dredging Operations Area
  2. Pipelay Operations Area

Operations will be conducted on a twenty-four (24) hour per day basis, seven (7) days per week. Any significant changes to the planned operational date ranges will be notified immediately.

 

The pipelay barge "Castoro Sei", accompanied by support vessels, is engaged in pipelay operations in position: 53° 40'.24 N 000° 08'.53 E.

 

Direction of lay is north easterly.

 

The pipelay barge has a buoyed anchor pattern deployed, the radius of which is up to 1000 metres.

 

All vessels are requested to provide the pipelay barge and accompanying support vessels with a wide berth and not approach within one nautical mile.

 

 

Activity Planned Operational Date Ranges
Inshore Dredging Activities 04/04/20 to 17/07/20
Route preparations 01/04/20 to 06/06/20
Pipelay & Completion Activities 06/06/20 to 16/08/20

 

Vessels:

 

Inshore Dredging (Inshore Dredge Area)

Backhoe Dredger

Inshore tug

Split hopper dredger x 2

Inshore survey vessel

Guard Vessel x 2

 

Route Preparations (Entire Pipelay Route)

Grab Dredger

Survey Vessel

 

Pipelay Activities (Entire Pipelay Route)

Pipelay vessel (anchored)

Pipe Supply Vessel x 3

Anchor Handling Tug x 3

Survey Vessel

Guard Vessel x 4

 

Pipelay Completion (Entire Pipelay Route)

Plough Vessel

Survey Vessel

Guard Vessel x 4

 

Subsea Tie-In Operations (Inside MFP 500m SZ)

Dive Support Vessel

Multipurpose Support Vessel

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ROV Inspection - Utsira High pipeline to Sage



Visual ROV inspection of Utsira High pipeline to Sage 30in pipeline tie-in


Visual ROV inspection from "Edda Flora" of Utsira High pipeline to Sage 30in pipeline tie-in: 

 

Company Vessel(s) Towed Length, Width & Depth Duration
Equinor UK Ltd Edda Flora - LAJW3 N/A - ROV inspection ~ 10 days

 

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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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Mariner Field - Survey



Full 4-D seismic survey of Mariner Field including undershoot of installations with vessels “SW Amundsen” and “SW Cook”


4-D seismic survey and echo-sounder survey over the Mariner, Mariner East and Cadet areas located in UKCS Blocks 8/15, 9/11, 9/12 and 9/16 in the NNS.  The survey area will be 172 km2 and the greater work area will be 3,991 km2.

 

Company Vessels Towed Length, Width & Depth Duration Survey Block(s)
Equinor UK Ltd

SW Amundsen - 5BXE2 

SW Cook - 5BPC2 

Length - 3500m 

Width - 550m

Depth - 20m

30 days 

8/15

9/11

9/12

9/16

 

See detailed map on our bulletin website

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Decommissioning - Banff Field



The vessel Apollo Spirit is presently part of the ongoing decommissioning of the Banff Field and has offloaded the last crude oil from the field.


Processing of slop water from Banff is the presently ongoing activity and it is expected that she will be cleaned, gas free, disconnected from moorings and ready for tow-off to recycling yard some time between August 15th and September 15th this year.

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.

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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 - Frigg Field



A 10 day Survey, expected to start 14th - 30th July 2020, with the vessels "Havila Aurora" (C6XU4) and "Neptune Naiad" (LADA5)


A 3D seismic survey and Ocean Bottom Seismic (OBS) survey is planned over the Frigg field in July 2020. Frigg is located in UKCS Block 10/1. The planned survey will take place within Blocks 9/5 and 10/1 and extend into the Norwegian sector.

The survey area will be 70.9 km2 and the greater work area will be 166 km2.

 

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Equiunor UK Ltd

Havila Aurora

C6XU4

Neptune Naiad

LADA5

N/A

 

Seabed nodes to be used

Earliest commencement: 26/06/2020

 

Latest completion: 30/09/2020

 

approx 10 days in field

9, 10

 

 

See detailed map on our bulletin website

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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.

See detailed map on our bulletin website

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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). The Energy Endeavour, will depart from Sagro Yard, Vlissingen in the Netherlands on 15th July 2020 (weather window dependent) and transit to the Pickerill field, where it will  commence Topsides dismantlement operations.

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.

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Survey - (Ref: 1089)



A 20 day Survey, starting 1st July 2020 Vessel "BGP Prospector C6YF5, Eagle Explorer 5BCL5, Geo Service 1 9V9391, 7-Waves HP5141"


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shell UK Limited

 

BGP Prospector

C6YF5

Eagle Explorer

5BCL5

Geo Service 1

9V9391

7-Waves

HP5141

 

01/07/2020 - 30/09/2020

For 20 Days

21 & 22

See detailed map on our bulletin website

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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 - 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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Development - Catcher Field



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


Drilling

 

Valaris Gorilla VI Jack-up drill rig on location at Catcher Varadero Drilling Template 56°48.410'N 000°42.430'E. Scheduled to remain on location until August 2020.

 

Subsea 

  • DEME Flintstone Rock Installation Vessel will mobilise 30/06/20, arrival in field 01/07/20 for 1 week rockdumping operations between Varadero and Catcher North Laverda.
  • Seven Arctic Construction Support Vessel will mobilise 25/08/20 for 1 week for Catcher North Laverda drilling template installation.   
  • Seven Atlantic Diving Support Vessel will mobilise 06/09/20 for 3 weeks to perform template tie-ins at Varadero.

**Unconnected pipelines and umbilical laid on seabed between Varadero 56°48.410'N 000°42.430'E and Catcher North Laverda 56°48.927'N 00° 44.087'E currently not protected. Rock installation vessel scheduled in field 29/06/20 to install pipelines rock protection****

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Penguins Field - Vessel Activity



Penguins Field Development - Anchor Pile and Mooring Chain Campaign, Pipelay Operations, Bundle Crossings and Mechanical Protection.


Please see below the upcoming vessel activity we have scheduled for May – June 2020 in the Penguins Field.

 

CSV Maersk Inventor & AHV Maersk Lifter – Anchor Pile and Mooring Chains Campaign (Maersk) Penguins Field Development – Infield 11/05/20 – Depart Field on 11/07/20 •    Pre-Installation Survey and Boulder Grab Workscope •    Installation of Mooring Piles •    Ground Chain Installation

 

Seven Navica – Pipelay Operations (Subsea 7) Penguins Field Development Project scopes – Infield 20/05/20 – Depart Field on 03/06/20

•    Pipelay operations for the 9km long, 16” Gas Export pipeline from the proposed Penguins FPSO location to the existing DC5 500m zone. •    On completion of pipelay activities, perform Flood, Clean and Gauge of newly installed pipeline. •    Perform metrology operations at DC5 500m zone and Brent C 500m zone.

 

Rockdump Vessel - Flintstone (DEME Offshore / Subsea7) – Bundle Crossings & Mechanical Protection Penguins Field Development Project scopes – Infield 15/06/20 – Depart Field on 03/07/20

•    Install blanket rockdump over 9km long 16” Gas Export Pipeline. •    Install bundle crossing adjacent to existing DC3 manifold.

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 float-off of the (Altera operated) FPSO is scheduled for 18th-20th July.

 

The risers will be recovered at a later date, post FPSO float-off.

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Survey - Ref:1104



A 10 day Survey, expected to start 26 July 2020, with the vessel "Ocean Vantage" (HP6188)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

IOG North Sea Ltd

Ocean Vantage

HP6188

N/A

26/07/2020 - 31/10/2020

For 10 Days

48

 

Survey at the Elgood field, approximately 43km north-eastfrom the Bacton Gas Terminal, acquire in-situ seabedmaterial properties and recover seabed cores and samples to determine soil characteristics and properties in advance of seabed loading by a jack-up drilling rig spud-cans.

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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

See detailed map on our 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

See detailed map on our 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

See detailed map on our bulletin website

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Cable Installation - Penguins (UK) - Snorre A (NOR)



Tampnet AS will in the period 1st of July until 30th of August 2020 perform an installation of a 90 km Submarine Fibre Optical Cable route between the Penguins Field and the Snorre field in the North


The cable will initially be surface laid and then buried, by means of trencher and cutting tools to ensure protection. In the time between the cable lay and burial the cable will be exposed until the burial operations are completed.

We advise that no fishing activity / trawling or using bottom gear in proximity to these areas must occur and to manoeuvre with caution to avoid damage to fishing gear or cable.

 

Deep Ocean will install the cable for Tampnet. Two vessels will be used in the operation:

  • Maersk Connector  Call Sign: OWEB2
  • Havila Phoenix  Call Sign: C6BD2

In addition we will use guard vessels to prevent damage to the exposed cable before burial is performed.

See detailed map on our 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

 

See detailed map on our bulletin website

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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 - 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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Abandoned Well - 110/03b-6A



Abandonment of subsea well Whitbeck 110/03b-6A.


A seabed clearance certificate has been issued

See detailed map on our bulletin website

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Survey - Ref:1079



A 7 day Survey, expected to start 17 June 2020, with the vessel "Fugro Venturer" (C6CG3)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

1300m

3m

17/06/2020 - 31/08/2020

For 7 Days

30

See detailed map on our bulletin website

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Infill Well Project - Solan P3



Solan P3 Infill Well works located in block 205/26a P3 of the UKCS.


Update on the status of the various work scopes planned on behalf of Premier Oil UK Limited on the Solan P3 Infill Well located in block 205/26a P3 of the UKCS.

 

The ERRV/Standby Vessel ‘Nor Solan’ is monitoring the Solan Field 500m safety zones. This vessel will be shared between the Transocean Leader and the Solan Platform when the rig arrives on location.

 

Drilling Activity

The Transocean Leader will be at the Solan P3 location below from as soon as the 28th March to approximately the end July.

 

Subsea Activity

The DSV Seven Atlantic is scheduled to commence diving operations at the Solan Platform, P1 and P3 production wells early August 2020 over a period of approximately three weeks, and will be joined by a Rock Dumping Fall-Pipe Vessel (name TBC) to complete rock dumping operations at during the campaign. Both vessels will have limited maneuverability during their operations.

 

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. Further vessel activity will be taking place in the area as below.


Seven Borealis (Subsea 7) – Pipelay - Arran Field Development – Infield 24/04/20 - Depart 25/07/20

  • Pipelay activities

The vessel will be working  between the locations

See detailed map on our bulletin website

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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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Deepsea Aberdeen at Schiehallion Central Drill Centre



The Deepsea Aberdeen is currently located over the Schiehallion Central Drill Centre with 8 anchors deployed.


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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 1st 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.

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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Rig - Wilphoenix



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 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

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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

See detailed map on our bulletin website

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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

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 Movement Deepsea Aberdeen



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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Survey - Eni Hewett Pipeline Survey



A 25 day Pipeline survey expected to commence 25th MAY 2020. Vessel To Be Confirmed.


The Eni Hewett IRM Pipeline Survey is anticipated to commence earliest on the 25/05/2020 and take approximately 25 days to complete (weather dependent). The latest completion date is 31/07/2020. The survey scope is to undertake IRM (inspection, repair and maintenance) and it is to be performed on most of the Hewett field pipelines.

 

The proposed survey will involve Observation Class Remotely Operated Vehicle (OBSROV) and multi-beam echo-sounder (MBES). As part of the survey one pipeline remediation work is to take place (PL83 within 500m safety zone of a 52/05a Platform, pending Regulatory approvals, ref. PLA/763 DEP 1920). The coordinates of the work area are provided in the table below. The vessel availability is not yet known, and that information will be provided in due course. Apologies for inconvenience this might cause.

 

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro 

TBC

N/A

05/05/2020 - 31/07/2020

For 25 Days

48/28,29,30

52/03,04,05

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Rig - Transocean Norge



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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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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Pipeline Installation - Southwark to Thames



Independent Oil and Gas will be installing a 24 -inch diameter gas pipeline in the southern North Sea from the (future) Southwark Gas Field to a tie-in point on the existing Thames pipeline. From 1st July-9th July 2020 using the "DP Seven Borealis C6YG8"


The vessel will be deploying a pipeline, which will restrict its ability to manoeuvre.  It is requested that all vessels operating within the area keep a safe distance (500m) and pass at reduced speed.

 

Operations will be conducted on a 24-hour basis.

 

Throughout the operations the vessel 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).

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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

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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:1084



A 86 day Survey, expected to start 01 June 2020, vessel to be confirmed.


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater

GeoServices AS

TBA

 

8100m

8m

01/06/2020

For 86 Days

210, 211, 002, 003
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Well Abandonment - Renee & Rubie



Petrofac Facilities Management Ltd. (Petrofac) propose to undertake plug and abandonment works on four wells in the Renee and Rubie fields in the Central North Sea. From 25th May for 90 Days


The work will be carried out using the Awilco Drilling owned WilPhoenix, an anchored semi-submersible mobile drilling rig. 

 

Field Well Water depth (m) Location
Rubie 15/28b-7 134 - 151 58°04.359'N  000°26.058'E
Renee 15/27-6y 134 - 151 58°02.996'N  000°20.970'E
Renee 15/27-7z 134 - 151 58°03.029'N  000°21.023'E
Renee 15/27-8 134 - 151 58°02.989'N  000°20.981'E

 

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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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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:1080



A 3 day Survey, expected to start 28 April 2020, with the vessels "Fugro Galaxy" (C6YY4)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro

Fugro Galaxy

C6YY4

 

28/04/2020 - 31/07/2020

For 3 Days

49

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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

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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 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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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 - 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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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
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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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
See detailed map on our bulletin website

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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

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 - COSL 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 - 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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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 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 - 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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Seabed Mooring - North Rockall Trough



Short mooring, max 90m tall, consisting of a single vertical cable with a few instruments, anchored to the seabed (1030m water depth), with subsurface buoyancy (no surface marker). 


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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

 

See detailed map on our bulletin website

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Decommissioned Pipeline End - PL5



The decommissioned PL5 pipeline currently has two exposed ends that could present a hazard to fishing.


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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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