Joseph Allan Nicholson

Onesubsea Operations Ltd. develops subsea oilfield equipment. Its products include MARS production optimization modules and production optimization simulation software. The firm services include reservoir management, subsea engineering, and subsea pumping and process systems. The company was founded in May, 1999 by Ian Donald and is headquartered in Portlethen, the United Kingdom.

Part of SLB NV, OneSubsea Offshore Engineering Ltd. is a British technology company that focuses on driving energy innovation for a balanced planet. The company is based in London, UK. The company is dedicated to making hydrogen an energy carrier of choice to enable the energy transition.

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

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.

United Wire Ltd. manufacturers and distributes wire-cloth products, screens and filters used in the production of high-tech filters and fireguards. Its products include polymer/plastic filtration, fine filtration, screening, sand control, processing bands, cylinder mould covers, catalyst support and separators. The company was founded by William McMurray in 1825 and headquartered in Edinburgh, the united Kingdom.

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.

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.

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.

Cameron Petroleum (UK) Ltd. is based in London, UK. Part of SLB NV, Cameron Petroleum (UK) Ltd. is a holding British company whose subsidiaries manufacture oil & gas machinery.

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.

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.

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.

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, 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.

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

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.

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

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.

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, 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.