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2012, Apache, Ness, Nevis & Loirston, Semi-Sub Rig, DECC Reference Number 2785

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub acquired under licences P254, P139, P337 between May and June 2012. The block numbers traversed were 9/12, 9/13.

2011, BG Group, West Columbus, Semi-Sub Rig, DECC Reference Number 2501

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P101, P059 and P1314 in June 2011. The block numbers traversed were 23/21 and 23/16.

2011, BG Group, Newt &Toad, Semi-Sub Rig, DECC Reference Number 2504

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P101 and P1181 between May and June 2011. The block numbers traversed were 23/21 and 23/22.

2012, Taqa Bratani Ltd, Abercromby, Semi-Sub Rig, DECC Reference Number 2725

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P1600, P1633, P945, P296 between April and May 2012. The block number traversed was 210/25.

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

• Published by: British Geological Survey (BGS)
• Last updated: 04 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, Venture Production, Whitethroat-Goosander, Semi-Sub Rig, DECC Reference Number 2284

• Published by: British Geological Survey (BGS)
• Last updated: 04 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.

2013, Enquest PLC, Kraken Templates, Semi-Sub Rig, DECC Reference Number 3015

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry debris clearance, environmental, semi-sub rig, geotechnical site survey acquired under licences P1077, P1759 between May and June 2013. The block numbers traversed were...

2013, Taqa Bratani Ltd, Tulla, Semi-Sub Rig, DECC Reference Number 3055

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub righ acquired under licences P472, P570, P1600, P1995 between May and June 2013. The block numbers traversed were 210/24, 210/25.

2013, Sterling Resources Ltd, Beverley, Semi-Sub Rig, DECC Reference Number 3002

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P1792, P013 in March 2013. The block numbers traversed were 22/26c, 21/30d and 21/30f.

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

• Published by: British Geological Survey (BGS)
• Last updated: 04 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.

2009, Dana Petroleum, Barbara & Phyllis, Semi-Sub Rig, DECC Reference Number 2028

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P1051, P359, P749 between August and October 2009. The block numbers traversed were 23/16b, 23/16c, 23/11a.

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

• Published by: British Geological Survey (BGS)
• Last updated: 04 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.

2014, Apache, K-Prospect Extension, Semi-Sub Rig, DECC Reference Number GS_148

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P103, P1986 in August 2014. The block numbers traversed were 9/18, 9/19.

2009, Shell UK Ltd, Gannet D, Semi-Sub Rig, DECC Reference Number 1998

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P013 in July 2009 (analogue) and November 2009 (digital). The block number traversed was 22/21.

2010, Encore Oil PLC, Tudor Rose, Semi-Sub Rig, DECC Reference Number 2303

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P1463 between August and September 2010. The block numbers traversed were 14/30a and 14/30c.

2014, Taqa Bratani Ltd, Sturgeon, Semi-Sub Rig, DECC Reference Number GS_162

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P1774 between August and September 2014. The block numbers traversed were 16/1, 16/2, 16/6, 16/7.

2009, Taqa Bratani Ltd, North Tern, Semi-Sub Rig, DECC Reference Number 2015

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licences P296, P945 in July/August 2009. The block numbers traversed were 210/20, 210/25, 211/16, 211/21.

2010, Endeavour Energy UK Ltd, NW Rochelle, Semi-Sub Rig, DECC Reference Number 2219

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P1615 in April 2010. The block number traversed was 15/26.

2009, Shell UK Ltd, Pierce A11, Semi-Sub Rig, DECC Reference Number 1927

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P111 in April 2009. The block number traversed was 23/22a.

2009, Shell UK Ltd, Pierce B5, Semi-Sub Rig, DECC Reference Number 2093

• Published by: British Geological Survey (BGS)
• Last updated: 04 June 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P114 in October 2009. The block number traversed was 23/27a.