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2011, Nexen Petroleum UK Ltd, Ivy, Site Survey, DECC Reference Number 2542

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry environmental, drilling hazard, semi-sub rig site survey acquired under licences P118, P741, P1560 between June and July 2011. The block numbers traversed were 21/3b, 21/3a,...

2009, BG Group, Blake FBA, Semi-Sub Rig, DECC Reference Number 2121

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P810 in November 2009. The block numbers traversed were 13/24a, 13/24b.

2010, Venture Production, Whitethroat-Goosander, Semi-Sub Rig, DECC Reference Number 2284

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P1415 and P073 between October and November 2010. The block numbers traversed were 21/17a and 21/12a.

2009, BG Group, Everest LAC, Semi-Sub Rig, DECC Reference Number 2020

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P066 in July/August 2009. The block numbers traversed were 22/9, 22/10.

2011, Sterling Resources Ltd, Cladhan, Semi-Sub Rig, DECC Reference Number 2533

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P1064 and P1680 between June and July 2011. The block numbers traversed were 210/29a, 210/29c, 210/30a and 210/30b.

2009, BG Group, Everest FAA, Semi-Sub Rig, DECC Reference Number 2021

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P101 in July/August 2009. The block numbers traversed were 22/9, 22/14.

2009, BG Group, Everest LAA, Semi-Sub Rig, DECC Reference Number 2022

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P066 in July/August 2009. The block numbers traversed were 22/9, 22/10.

2009, Shell UK Ltd, Guillemot, Semi-Sub Rig, DECC Reference Number 2054

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P013 between October and November 2009. The block number traversed was 21/25.

2011, Antrim Energy, East Fyne, Semi-Sub Rig, DECC Reference Number 2507

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P077 between April and May 2011. The block numbers traversed were 21/28a and 21/29.

2012, BG Group, Blake Infill, Semi-Sub Rig, DECC Reference Number 2740

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P101, P729, P297 in May 2012. The block numbers traversed were 13/24a, 13/29b, 13/28a.

2010, Sterling Resources Ltd, Cladhan, Semi-Sub Rig, DECC Reference Number 2189

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P1064 in April 2010. The block numbers traversed were 210/29 and 210/30.

2010, RWE Dea Ltd, Severn, Jack-Up Rig, DECC Reference Number 2321

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P1726 in September 2010. The block numbers traversed were 43/17a and 43/18a.

2011, Nexen Petroleum UK Ltd, Edgware, Site Survey, DECC Reference Number 2412

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry drilling hazard, debris clearance and environmental site survey acquired under licence P1829 between February and April 2011. The block numbers traversed were 38/05, 39/01...

2011, Ithaca Energy (UK) Ltd, Harrier, Site Survey, DECC Reference Number 2486

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey acquired in April 2011. The UKCS block number traversed was 30/6.

2011, Tullow Oil Ltd, Foxtrot, Jack-Up Rig, DECC Reference Number 2426

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licences P1715 and P1716. The block numbers traversed were 49/29d, 49/29e and 49/30b.

2011, Tullow Oil Ltd, Ketch, Jack-Up Rig, DECC Reference Number 2570

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P453 between July and August 2011. The block number traversed was 44/28b.

2009, Taqa Bratani Ltd, Pelican, Semi-Sub Rig, DECC Reference Number 2014

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P296 in July 2009. The block number traversed was 211/26.

2009, Shell UK Ltd, Starling, Semi-Sub Rig, DECC Reference Number 1933

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P012 in August 2009 (shallow gas only) and October 2009 (anchoring only). The block number traversed was 23/22a.

2010, Tullow Oil Ltd, Cameron, Jack-Up Rig, DECC Reference Number 2395

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P1139 in December 2010. The block number traversed was 44/19.

2011, Tullow Oil Ltd, Acle, Jack-Up Rig, DECC Reference Number 2406

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P1715 between December 2010 and January 2011. The block number traversed was 49/29.