Douglas Stuart Gibson

Ingrain, Inc. provides digital rock physics laboratory services. The firm offers unconventional reservoirs, complex conventional reservoirs, joint industry project, and digital core library. The company was founded by Amos Nur, Jack P. Dvorkin, William Bosl, and Henrique Tono in 2007 and is headquartered in Houston, TX.

Part of Unit Corp., Stone & Webster, Inc /Oil & Gas business/ is an American company that specializes in the extraction of crude petroleum and natural gas. Stone & Webster, Inc /Oil & Gas business was acquired by Southern Mineral Corp. from Stone & Webster, Inc. on November 02, 1995 for $16.50 million.

Sensor Highway Ltd. designs, manufactures and deploys fiber optic sensors. The firm offers factory, site acceptance tests, field splicing, project documentation and site supervision. It provides pipeline, LNG, power cable monitoring and subsea production applications. The company was founded by Alan Piesse in 1980 and is headquartered in West Sussex, the United Kingdom.

EV Private Equity US Inc (EV Private Equity) is an independent venture capital firm founded in 2002 by Ole Melberg. The firm is headquartered in Houston,Texas with additional offices in Norway, and United Kingdom.

Dolphin Drilling Ltd. provides snubbing, hydraulic and offshore drilling services. The company operates eight semi-submersible drilling rigs and deep water drill ship. The firm was founded in 1965 and is located in Aberdeen, UK.

Sparrows Offshore Group Ltd. provides oilfield engineering services. It offers inspection, equipment sale and rental, equipment and operations management, training, and parts and component sales. The company was founded in 1973 and is headquartered in Aberdeen, the United Kingdom.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

The UK Oil & Gas Industry Association Ltd. operates as a trade association related to the offshore oil and gas industry. The non-profit company is based in London, UK, and has subsidiaries in the United Kingdom. The British company was founded in 2007, and David Whitehouse has been the CEO of the company since 2023.

Deep Casing Tools Ltd. designs and manufactures advanced casing and completion tools for the oil and gas and geothermal industries. It offers Turbocaser Express, Turborunner, Shalerunner, and Turbocaser Deepwater services. The company was founded by Derek Frederick Herrera in 2008 and is headquartered in Aberdeen, the United Kingdom.

Simmons & Co. International Ltd. (Private Equity) (Simmons & Co. International) is a private equity subsidiary of Simmons & Co. International Ltd. founded in 1974. The firm is headquartered in London.

Stork Technical Services (RBG) Ltd. provides oil and gas extraction services. It offers drilling, construction, well services and engineering and technical personnel to the oil and gas industry. The company was founded in 1975 and is headquartered in Aberdeen, the United Kingdom.

Foster Findlay Associates Ltd. provides cognitive interpretation software and services to the oil and gas industry. The firm specializes in cognitive interpretation, GeoTeric services, geological expression, research and development, seismic interpretation, frequency decomposition, and reservoir heterogeneity. The company was founded by Jonathan Henderson in October 1987 and is headquartered in Newcastle-upon-Tyne, the United Kingdom.

Dron & Dickson Group Ltd. is a British company that supplies industrial electrical equipment. The private company is based in Stirling, UK. and has subsidiaries in United Arab Emirates and United Kingdom. The company was founded in 2006.

Stork Technical Services (Holdings) Ltd. operates as a holding company with interest in crude and oil exploration services. The company was founded on September 6, 2004 and is headquartered in Aberdeen, the United Kingdom.

2TD Drilling AS provides drilling tools to the oil and gas industry. It produces mechanical equipment and control systems. The firm's product is an electro-mechanical rotary steerable drilling tool, which targets the large and expanding directional drilling market, both on and offshore. Its tool is in the prototype development stage. The company was founded by Tom Fedog, Per Olav Haughom, Børge Richard Kolstad and Erik Heimar Zachariasen in 2008 and is headquartered in Algard, Norway.

Abrado, Inc. provides cleanout tools, chemical stimulation treatments and diagnostic technology services to the drilling sector. It offers well abandonment, and section milling services. The company was founded by Alexander Esslemont and C. Mitchell Cox in 2009 and is headquartered in Houston, TX.

Cairngorm Capital Partners LLP (Cairngorm Capital Partners) is a private equity firm founded in 2014 by Andrew David Steel. The firm is headquartered in Edinburgh, United Kingdom.

Well Conveyor AS designs battery powered slim hole conveyors. The company was founded by Kenneth Fuglestad and is headquartered in Bryne, Norway.

Part of BP Plc, BP Russian Ventures Ltd. functions as an investment holding British company. The company is based in Middlesex, UK.

J&S Subsea Ltd. operates as a subsea energy controls company for new and recertified equipment. The firm focuses on refurbishing, designing, manufacturing and engineering controls for the energy sectors. The company was founded on October 24, 2019 and is headquartered in Aberdeen, the United Kingdom.