Gavin Donald

Part of SLB NV, Schlumberger Plc is a British technology company that specializes in oilfield services. The company is based in Horley, UK. The company provides effective fracturing services to help connect wellbores to more reservoir rock. Founded in 1977, the company achieves accurate depth control and ensures target zone coverage while controlling hydrostatic balance.

Lloyds Development Capital (Holdings) Ltd. (LDC) is a private equity firm founded in 1981. The firm is headquartered in London, United Kingdom and is wholly owned by LBG Equity Investments Ltd.

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.

Part of SLB NV, Diamould Ltd. is a British company that manufactures electric and hydraulic connectors. The company is based in London, UK. The company was founded in 1999. Diamould was acquired by SLB NV on May 17, 2005.

Specialised Petroleum Services Group Ltd. provides well-bore clean-up products and services for the offshore market. The company is headquartered in Westhill, 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.

Red Spider Technology Ltd. provides remote open close technology and downhole computer controlled valves. It designs, manufactures and supplies downhole solutions for flow control, completion, well intervention and artificial lift applications to the oil and gas industry. The company was founded in 2003 and is headquartered in Aberdeen, the United Kingdom.

SCF Partners LLC (SCF Partners) is a private equity subsidiary of SCF Partners, Inc. founded in 1989 by L.E. Simmons. The firm is headquartered in Houston, Texas.

Cyclotech was formed in 1994 as a provider of specialized, compact separation technology and processes to the oil and gas industry. The firm's philosophy has, and will continue to be, focused on solutions which directly improve environmental performance and facilitate increased and extended production. The company's solutions, by their nature are highly specialized, combining proven and innovative technology with expert process design, and seek to deliver the profitability required to sustain technological advantage. Cyclotech has key personnel located in London (UK), Aberdeen (UK), Stavanger (Norway), Houston (USA) and Singapore allied to a global network of agents and re-sellers. Cyclotech's in-house technology and expertise allows customers to provide integrated packaged process equipment; modifications and upgrades to existing equipment; trouble-shooting and concept development. By developing relationships with technology partners, engineering houses and fabrication companies it shares the appropriate level of risk and reward to deliver the most beneficial commercial framework for its customers and itself.

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.

Guardian Global Technology Group Ltd. manufactures and supplies equipment to oil and gas industries. The firm’s products and services include ballistics delivery systems, production logging systems and rental equipment. The company was founded by Suzannah Bourne in 2003 and is headquartered in Pyle, the United Kingdom.

Fallcon Solutions Ltd. is engaged in fibre enabled asset management solutions. The firm’s products include Helios Theta, Helios DAS, LiveDETECT, and Helios Quasar. It offers smart rail and pipeline monitoring, smart security, cable, reservoir and transport management. The company was founded by Douglas Gibson and Alan Piesse in 2008 and is headquartered in Fleet, the United Kingdom.

Part of Canon, Inc., Canon Medical Research Europe Ltd. is a British company founded in 2008 that provides digital imaging and scanning technologies to the medical sector. The company is based in Edinburgh, UK.

BioCity Group Ltd (BioCity) is a venture capital firm founded in 2002. The firm is headquartered in London, United Kingdom.

OneSubsea UK Ltd. designs, manufactures and sales engineering products. The firm provides its services to gas transmission, electrical and other engineering industries. The company is headquartered in London, the United Kingdom.

Part of SLB NV, Schlumberger UK Holdings Ltd. is an investment holding company. Schlumberger UK Holdings Ltd. is based in West Sussex, UK. Founded in 1982.

Meta Downhole Ltd. develops and delivers leading-edge downhole isolation solutions to the oil and gas industry. The firm's patented Metalmorphology ensures isolation integrity for the life of the well. It offers morphable casing reconnect, liner tieback, internal clad, and isolation barrier technologies. Meta Downhole was founded on February 12, 1990 and is headquartered in Aberdeen, the United Kingdom.

M-I Holdings (UK) Ltd. is based in Aberdeenshire, UK. Part of SLB NV, M-I Holdings (UK) Ltd. is a holding British company that operates subsidiaries providing oilfield services. Founded in 2002.

Part of SLB NV, Red Baron (Oil Tools Rental) Ltd. (The) is an investment holding British company. The company is based in Westhill, UK.

Schlumberger Oilfield UK Plc provides oil and gas wells drilling services. The company is headquartered in West Sussex, the United Kingdom.

The Industrialization & Energy Services Co. operates as a holding company with interests in the exploration of oil and gas. Its activities cover the establishment of industries and services relating to petroleum, metals, petrochemicals, electrical, water desalination and geophysical surveys, drilling of oil and gas wells and other related activities necessary for the exploration of hydrocarbon resources through the establishment of subsidiary companies specialized in those industries and services. The company was founded in March 2003 and is headquartered in Dhahran, Saudi Arabia.

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.

Part of SLB NV, OneSubsea Investments UK Ltd. is an investment holding company. OneSubsea Investments UK Ltd. is based in London, UK.

Part of SLB NV, OneSubsea IP UK Ltd. is a company that handles GVFs up to 100% mechanically and fluid viscosities from 1 to 4,000 cP at startup. OneSubsea IP offers industry-leading technology for subsea producers worldwide, providing production, processing, and control systems for maximum safety and reliability. OneSubsea IP UK Ltd. is based in London, UK and was founded in 2013. The British company provides a fully integrated subsea system to control, communicate with, and optimize fields. The company offers a range of solutions to optimize subsea completions and production, including processing, controls, and more in a single solution.

Oxford Science Enterprises PLC (Oxford Science Enterprises) is a venture capital firm founded in 2015. The firm is headquartered in Oxford, United Kingdom.

Energy Growth Momentum LLP (EGM) is an independent private equity firm founded in 2013. The firm is headquartered in London, United Kingdom.

Part of SLB NV, Schlumberger UK Ltd. is an investment holding company. Schlumberger UK Ltd. is based in West Sussex, UK. Founded in 2010, Schlumberger functions as an investment holding company.

Part of Schlumberger NV, Schlumberger Cambridge Research Ltd. is a technology company that specializes in oilfield services. Founded in 1958, the company is based in Cambridge, UK. The British company's mission is to drive energy innovation for a balanced planet. The company's focus is on redefining business as usual for production in the oil and gas industry.

Part of SLB NV, Peak Well Systems Ltd. is a British company that designs, manufactures, and supplies well intervention tools for the oil and gas industries. The company is based in Westhill, UK. Peak Well Systems was founded in 2008.

Part of SLB NV, Rubislaw Investments Ltd. is an investment holding British company. The company is based in Westhill, UK. Rubislaw Investments was founded in 2002.

Flaresim Ltd. engages in the provision of software for estimation of thermal radiation from a flare system. Its services include softbits consultancy, flare consultancy, flare system training, and engineering software development. The company is headquartered in Gatwick, the United Kingdom.

We Are Pioneer Group Ltd. (Pioneer Group) is a venture capital firm founded in 2021. The firm is headquartered in London, United Kingdom.

SecondPerspective Ltd. develops blood flow restriction training devices powered by artificial intelligence.