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2013, Centrica, Eagle, Semi-Sub Rig, DECC Reference Number 3153

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P238 in September 2013. The block number traversed was 21/19.

2013, Centrica, Eagle, Semi-Sub Rig, DECC Reference Number 2966

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P238 in April 2013. The block number traversed was 21/19.

2011, Dong Energy, Glenrothes, Semi-Sub Rig, DECC Reference Number 2549

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P1454 in August 2011. The block number traversed was 208/11.

2009, Venture Production, Sycamore, Semi-Sub Rig, DECC Reference Number 2079

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P212 in November 2009. The block number traversed was 16/12a.

2013, ConocoPhillips, Brodgar, Semi-Sub Rig, DECC Reference Number 3030

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P118 in April 2013. The block number traversed was 21/3a.

2012, Premier Oil, Bonneville, Semi-Sub Rig, DECC Reference Number 2840

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P1430 between June and July 2012. The block number traversed was 28/9.

2010, Fairfield Energy, Skye, Semi-Sub Rig, DECC Reference Number 2203

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P296, P721 in April/May 2010. The block number traversed was 211/23.

2010, BG Group, Pi, Semi-Sub Rig, DECC Reference Number 2208

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P356 between June and August 2010. The block number traversed was 22/5b.

2012, BG Group, Thunderer, Semi-Sub Rig, DECC Reference Number 2847

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P098 between July and August 2012. The block number traversed was 30/2a.

2012, Premier Oil, Cyclone, Semi-Sub Rig, DECC Reference Number 2771

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig aquired under licence P1784 in May 2012. The block numbers traversed were 21/7b, 21/6.

2014, Apache, Corona, Semi-Sub Rig, DECC Reference Number GS_147

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

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.

2015, Apache, FNT, Semi-Sub Rig, DECC Reference Number GS_262

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P139, P337, P1983 in April 2015. The block number traversed was 9/13.

2009, Fairfield Energy, Staffa, Semi-Sub Rig, DECC Reference Number 2041

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P1607 in August/September 2009. The block numbers traversed were 3/08, 3/09, 3/10.

2011, BG Group, Esperanza, Semi-Sub Rig, DECC Reference Number 2458

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P089 and P110 in April 2011. The block numbers traversed were 22/15 and 22/14a.

2010, BG Group, Hobby, Semi-Sub Rig, DECC Reference Number 2296

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P300 and P928 between August and September 2010. The block number traversed were 14/26a and 20/1.

2011, Valiant Petroleum, Handcross, Semi-Sub Rig, DECC Reference Number 2551

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P1631 between July and August 2011. The block numbers traversed were 204/18b, 204/13a, 204/14c and 204/19c.

2012, Dana Petroleum, Magnolia, Semi-Sub Rig, DECC Reference Number 2709

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P1610, P1766, P324 between February and March 2012. The block numbers traversed were 13/23a, 13/22d and 13/22a.

2009, Shell UK Ltd, Rockhopper, Semi-Sub Rig, DECC Reference Number 2102

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P296 in December 2009. The block number traversed was 211/14.

2013, Dana Petroleum, Liberator, Semi-Sub Rig, DECC Reference Number 3047

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licences P1601, P101, P1987 in June 2013. The block numbers traversed were 13/23a, 13/24a, 13/24b, 13/23d-A.

2010, Dana Petroleum, Western Isles, Semi-Sub Rig, DECC Reference Number 2244

• Published by: British Geological Survey (BGS)
• Last updated: 03 December 2025

An oil and gas industry site survey for a semi-sub rig acquired under licence P472 between May and June 2010. The block number traversed was 210/24.