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Minke Pipeline Depth of Burial Survey



A depth of burial survey across the Minke Infrastructure in the UKCS using sub-bottom profilers, multi-beam echosounder and side scan sonar. Survey to be carried out within UKCS 44/24a.


The Minke 8” gas production pipeline will be surveyed from the median line to the Minke xmas tree using sub-bottom profilers (parametric/CHIRP and pinger), side-scan sonar and multi-beam echosounder.

 

The survey will take 2 days in total over a 3.7 km length with the intention being that the survey is to be carried out on 23rd May 2020. However, weather delays can impact the survey scope so the survey could be carried out any time between 23rd May 2020 and  30th November 2020.

 

UKCS: 42/24a

- Start of survey

54 15 07.82 North 02 44 30.39 East

- End of survey

54 16 11.36 North 02 47 20.72 East

See detailed map on our bulletin website

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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 Mobile Offshore Drilling Unit on location at Catcher Varadero Drilling Template 56°48.410'N 000°42.430'E. Scheduled to remain on location until August 2020.

 

Subsea 

  • Skandi Acergy scheduled to arrive in field  24/05/20 for 1 week of pipelines and umbilical installation operations from Varadero to Catcher North Laverda 56°48.927'N 00° 44.087'E.
  • DEME Flintstone rock installation vessel will mobilise 29/06/20 for 1 week to perform rockdumping activities between Varadero and Catcher North Laverda.
  • Seven Arctic will mobilise 25/08/20 for 1 week for Catcher North Laverda drilling template installation.   
  • Diving Support Vessel will mobilise 06/09/20 for 3 weeks to perform template tie-ins at Varadero.
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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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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Pipeline Flushing and Riser Decommissioning (Huntington Field)



Please note that Premier Oil’s project to flush and disconnect the Huntington field subsea infrastructure and removal of associated risers in relation to the float-off of the (Altera owned and operated)


Voyager Spirit FPSO will be undertaken during the period of 11th April 2020 to 31st December 2020.

 

The 1st DSV campaign, the flushing operations completed. Disconnection activities will be carried out between 24th May and 9th June. Both flushing and disconnection works will be undertaken from the Seven Falcon DSV.

 

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

See detailed map on our bulletin website

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Manned Diving Operations



The diving support vessel (DSV) Seven Kestrel will be operating in dynamic positioning (DP) mode and performing manned diving operations over the Thames pipeline on a 24-hour basis


The diving support vessel (DSV) Seven Kestrel, operated by Subsea7, will be performing manned diving operations on behalf of Independent Oil and Gas at a position over the Thames pipeline. 

 

The vessel will be limited in manouvreability and will be displaying shapes and lights throughout the operations, as 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).

 

Seven Kestrel:

Call Sign: 2HDM7

MMSI: 235103286.

 

Marine traffic are requested to provide a wide berth of 500 metres and pass at reduced speed.

 

Seismic survey vessels planning to operate within 2 kilometres of the DSV are requested to contact the undersigned in advance of operations, or the vessel directly when on site.

  

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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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).

See detailed map on our bulletin website

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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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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 1st 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 and Kyle Fields Subsea Wells

Isolations and Gas Export line

disconnection from CATS system

DSV Deep Discoverer 30/05/20 - 30/06/20
FPSO and FSO Removal TBA 15/07/20 - 15/08/20
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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Survey - (Ref: 1086)



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


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro Marine

Netherlands B.v

Fugro Frontier

C6BH4

 

04/06/2020 - 30/11/2020

For 2 Days

42/24

See detailed map on our bulletin website

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Survey - (Ref: 1085)



A 30 day Survey, expected to start late May 2020 Vessel "MV Fugro Galaxy call sign: C6YY4"


Scope of Work:

  • Environmental Survey of the development area involving capturing subsea video / stills and grab sampling of the seabed
  • Seabed Debris Clearance Survey involving side scan sonar (deployed subsea), sub-bottom profiling, gathering bathymetry data and identifying ferrous objects by magnetometer (deployed subsea)
  • 2D High Resolution Seismic Survey – obtaining 2DHR seismic data (with streamers towed behind the vessel) to identify shallow gas drilling hazards
  • 3D Ultra Resolution Seismic Survey – obtaining 3DUHR seismic data (with streamers towed behind the vessel) to determine sub-bottom conditions for anchoring including boulder detection
See detailed map on our bulletin website

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Topsides Dismantlement of the Pickerill A Installation



Planned topside dismantlement works are due to commence on the Pickerill A Platform (UKCS 48/11). The Energy Endeavour, which has been positioned at the installation since 18th March 2020, will commence dismantlement operations on 15th May 2020.


Upon completion of the Hyde Velocity String Works the Energy Endeavour Jack-Up Barge, has now sailed and moved into position at the Pickerill A Platform UKCS 48/11.

See detailed map on our bulletin website

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Pipeline Operations – Fram Field



Deep Arctic – Tree Spool Tie-Ins & Leak Tests/Commissioning Operations (TechnipFMC) Fram Field Development Project scopes – Infield 19/05/20 – Depart Field on 04/06/20


  • Spool tie-in and TSCJ Hook up between the Fram Manifold and the new Fram Trees G3 and G5
  • Final Spool Tie-in at Starling Manifold to the Fram pipeline
  • Starling Manifold hook up and tie-in mods
  • Leak Test and Dewatering
  • Final Control System Commissioning ready for Start-up
See detailed map on our bulletin website

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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 08/06/20 •    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.

 

Rockdumper (DEME Offshore / Subsea7) – Bundle Crossings & Mechanical Protection Penguins Field Development Project scopes – Infield 10/06/20 – Depart Field on 30/06/20

•    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 Bundles & new template - Snorre Field



Equinor and contractor Subsea 7 will perform a tow operation of two 6.7km long pipeline bundles from the bundle fabrication site in Wester, Wick, Scotland to the Snorre Field in the NCS block 34/4 and 34/7. Bundle tow 13th May complete by 1st June.


The transport and installation of the pipeline bundles will be performed by the main vessel Siem Sprearfish + additional support vessels. The North Bundle will be installed between Snorre template Z, M and N.

 

Generalized Tow Route from Wick to Snorre Field

Location

Latitude

Longitude

Wick

58°30.487'N

03°08.066'W

 

58°24.823'N

02°24.977'W

 

59°02.655'N

00°06.246'W

 

59°35.373'N

00°26.357'E

 

60°06.001'N

01°01.277'E

 

60°38.125'N

01°58.685'E

 

60°49.326'N

02°18.928'E

 

61°03.616'N

02°25.444'E

Snorre Field

61°31.671'N

02°07.647'E

 

Existing template at Snorre Field currently being monitored

Location

Latitude

Longitude

Snorre Template M

61°32.160'N

02°14.718'E

Snorre Template V

61°29.738'N

02°08.894'E

Snorre Template W

61°30.818'N

02°07.330'E

Snorre Template X

61°28.936'N

02°12.273'E

Snorre Template N 61°33.297'N 02°15.321'E
Snorre Template Z 61°29.745'N 02°13.911'E

 

Please be noted that the templates and bundle towheads, also the ones installed last year will not be over-trawlable until all installation activities are complete in October/November later this year. Equinor marine centre will monitor marine activities at these locations and can be contacted on +47 55 14 32 78 or VHF Ch. 14

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 - 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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Frigg Field Survey



A 10 day Survey, expected to start 08 June 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 June 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: 08/06/2020

 

Latest completion: 30/09/2020

 

approx 10 days in field

9, 10

 

 

See detailed map on our bulletin website

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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, including ground tackle, with 400m excursion radius; East cardinal buoy, including ground tackle, with 400m excursion radius

See detailed map on our bulletin website

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Survey - Banff and Kyle



A pre-decommissioning environmental baseline survey.


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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
See detailed map on our bulletin website

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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

 

See detailed map on our bulletin website

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Rig Movement - Ensco 101



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 - 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 - Douglas 110/15L



The Irish Sea Pioneer will be drilling at the Douglas 110/15L Location from 22nd April 2020 for 63 days.


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

See detailed map on our bulletin website

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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
See detailed map on our bulletin website

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Decommissioning - Viking & Vulcan



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


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

 

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

 

  • Bokalift 1 – Mobilising mid - April for a ~70 day campaign.
  • Gulliver – Mobilising mid - June for a ~100 day campaign.
Location Operations Position Removal Schedule
Viking Complex Platform Removal 53°26.800’N 002°19.900’E Bokalift 1 April - End June 2020
Caister CM Platform Removal 54°12.100’N 002°27.000’E Bokalift 1 April - End June 2020
Ganymede ZD Platform Removal 53°19.500’N 002°14.200’E Bokalift 1 April - End June 2020
Viking CD Subsea Operations 53°25.400’N 002°22.600’E Bokalift 1 April - End June 2020
Viking ED Subsea Operations 53°26.000’N 002°09.200’E Bokalift 1 April - End June 2020
Viking HD Subsea Operations 53°29.800’N 002°19.400’E Bokalift 1 April - End June 2020
Viking AR Platform Removal 53°32.000'N 002°15.400’E Gulliver June - End Oct 2020
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 June - End Oct 2020
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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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

See detailed map on our bulletin website

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Survey - Ref:1079



A 7 day Survey, expected to start 10 May 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

10/05/2020 - 31/08/2020

For 7 Days

30

See detailed map on our bulletin website

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Survey - Ref:1076



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


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater Geoservices Ltd

Amazon Warrior (3FNE9)

SW Cook (5BPC2)

Vivre G (HO9384)

Ocean D (ZDJY8)

 

01/05/2020 - 31/10/2020

For 45 Days

21, 22

See detailed map on our bulletin website

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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

See detailed map on our bulletin website

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Survey - Ref:1036



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


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CCG Services (UK) Limited

Sanco Star

ZDIT8

Normand Tonjer

LAXJ5

MAC Pegasus

9HA3722

 

01/03/2020 - 31/10/2020

For 245 Days

22,23,29 & 30

See detailed map on our bulletin website

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Freespans - Breagh Pipelines



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


Start Position End Position

Length (m)

Height  (m)

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

 

See detailed map on our bulletin website

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Rig 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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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 05/07/20

  • Pipelay activities

The vessel will be working  between the locations

See detailed map on our bulletin website

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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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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 replaced by a Rock Dumping Fall-Pipe Vessel (name TBC) to complete rock dumping operations at the end of August 2020. Both vessels will have limited manoeuvrability during their operations.

 

See detailed map on our bulletin website

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Rig - Deepsea Nordkapp



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


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Rig - 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 - 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
See detailed map on our bulletin website

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Drilling - Birgitta Field 22/19a



The Maersk Resilient will start a drilling operation in Block 22/19a UKCS from 17th March 2020


Field Well Position Start/Finish Duration
Birgitta 22/19a 57°21.366'N 001°38.196'E 17/03/2020 51 Days

 

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.

 

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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Survey - Ref:1050



A 40 day Survey, expected to start 15 April 2020, with the vessels "Ramform Tethys" (C6CN8), "Storm West" (LCHX3)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
PGS Exploration UK

Ramform Tethys

C6CN8

 

8025m

25m

15/04/2020 - 25/05/2020

For 40 Days

210  211
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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
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Rig - Borgland Dolphin



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


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Rig - Stena Don



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


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Rig - 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 - 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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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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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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Survey - Ref:1046



A 28 day survey, expected to start on 01 March 2020, with the vessel “Normand Mermaid” (LAXH7)


Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

BP Exploration

Normand Mermaid

LAXH7

N/A

01/03/2020 - 31/05/2020

For 28 Days

16/28
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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 - Maersk Highlander



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 Gorilla V



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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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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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

 

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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 - 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 - 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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