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2012, Nexen Petroleum UK Ltd, Polecat East, Site Survey, DECC Reference Number 2821

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry semi-sub rig, drilling hazard site survey acquired under licence P110 in May 2012. The block number traversed was 20/04a.

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

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

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, Tullow Oil Ltd, Schooner, Site Survey, DECC Reference Number 2744

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry relief well, debris clearance site survey acquired under licence P516 between March and April 2012. The block number traversed was 44/26.

2013, Total E&P UK Ltd, Alwyn Relief Wells Geophysical Survey, Semi-Sub Rig, DECC Reference Number 3111

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for a semi-sub rig acquired under licence P090 in August 2013. The block number traversed was 3/9a.

2015, Summit Exploration & Production Ltd, Ranger 2D Seismic, sub-bottom profiler and magnetic surveys 15/16, Semi-Sub Rig, DECC Reference Number GS_239

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for a semi-submersible rig replacement acquired under licence E439. The block numbers traversed were 15/16, 15/11, 14/20.

2015, Apache, Abandonment Survey Well 9/13a-27, Site Survey, DECC Reference Number GS_325

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

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

2023, Shell UK Ltd, Joelle Site Survey, Site Survey, DECC Reference Number GS_1587

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry rig site survey acquired under licence P011 between August and September 2023. The block numbers traversed were 30/6a, 30/6c.

2018, Shell UK Ltd, Fram 2DHR Infill Seismic Survey, Site Survey, DECC Reference Number GS_783

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry rig site survey acquired under licences P012, P1664 between August and October 2018. The block numbers traversed were 29/3, 29/4.

2019, Apache, Bacchus Site Survey, Block 22/6, Semi-Sub Rig, DECC Reference Number GS_987

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry semi-sub rig site survey acquired under licences P255, P2375, P084 in October 2019. The block number traversed was 22/6.

2018, Shell UK Ltd, Pierce 2DHR Infill Seismic Survey, Site Survey, DECC Reference Number GS_779

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry rig site survey acquired under licences P111, P114 between September and October 2018. The block numbers traversed were 23/22, 23/27.

2025, BP Exploration, BP NEP EPCI #2, Site Survey, DECC Reference Number GS_1866

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry route, UXO migration site survey acquired under licence CS001 between April and May 2025. The block numbers traversed were 42/25, 43/21.

2024, BP Exploration, BC41, Site Survey, DECC Reference Number GS_1692

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry seabed investigation for Carbon Storage site survey acquired between July and August 2024. The block numbers traversed were 43/17, 43/21, 43/22.

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

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 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.

2005, ConocoPhillips, UKCS Blocks 48/9 and 48/10, Pipeline/Cable Route Survey, BGS Reference Number CS05SS0001

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for a pipeline/cable route (Mimas to Saturn) acquired in May 2005. The block numbers traversed were 48/10 and 48/9.

2010, Venture Production, Fulham, Jack-Up Rig, DECC Reference Number 2139

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P1673 in January/February 2010. The block number traversed was 44/28a.

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

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

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.

2006, Talisman Sinopec Energy (UK) Ltd, UKCS Block 15/23, Route Survey, BGS Reference Number TB06SS0003

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry umbilical route site survey (Tartan Platform SUDS to Galley SPS Manifold) acquired between February and March 2006. The block number traversed was 15/23.

2011, Enquest PLC, Galia, Site Survey, DECC Reference Number 2536

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for semi-sub rigs and debris clearance acquired under licence E415 in June 2011. The block number traversed was 30/24.

2020, Shell UK Ltd, Jaws 2DUHR Survey, Site Survey, DECC Reference Number GS_1101

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry rig site survey acquired under licences P2380, P2351, P2381 between July and August 2020. The block numbers traversed were 22/12.

2009, Venture Production, Agatha, Jack-Up Rig, DECC Reference Number 2059

• Published by: British Geological Survey (BGS)
• Last updated: 02 April 2026

An oil and gas industry site survey for a jack-up rig acquired under licence P028 in October/November 2009. The block number traversed was 49/11a.