Schlumberger NV, doing business as SLB, also known as Schlumberger Limited, is an American oilfield services company. As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.
Baker Hughes Company is a global energy technology company co-headquartered in Houston, Texas and London, UK. As one of the world's largest oil field services, industrial and energy technology companies, it provides products and services to the oil and gas industry for exploration and production, as well as other energy and industrial applications. It operates in over 120 countries, with facilities in Australia, Brazil, Singapore, Malaysia, India, Dubai, Saudi Arabia, Italy, Germany, Norway, the United Kingdom and the United States.
Well logging, also known as borehole logging is the practice of making a detailed record of the geologic formations penetrated by a borehole. The log may be based either on visual inspection of samples brought to the surface or on physical measurements made by instruments lowered into the hole. Some types of geophysical well logs can be done during any phase of a well's history: drilling, completing, producing, or abandoning. Well logging is performed in boreholes drilled for the oil and gas, groundwater, mineral and geothermal exploration, as well as part of environmental and geotechnical studies.
Transocean Ltd. is an American drilling company. It is the world's largest offshore drilling contractor based on revenue and is based in Steinhausen, Switzerland. The company has offices in 20 countries, including Canada, the United States, Norway, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia.
Expand Energy Corporation is a natural gas exploration and production company headquartered in Oklahoma City. It was previously known as Chesapeake Energy Corporation.
NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas. It is a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry. The company conducts operations in more than 500 locations across six continents, operating through two reporting segments: Energy Equipment and Energy Products and Services.
A wellhead is the component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment.
Valaris Limited is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in Bermuda. It is the largest offshore drilling and well drilling company in the world, and owns 52 rigs, including 36 offshore jackup rigs, 11 drillships, and 5 semi-submersible platform drilling rigs.
APA Corporation is the holding company for Apache Corporation, an American company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Houston. The company is ranked 431st on the Fortune 500.
Smith International was a Fortune 500 company headquartered in the Greenspoint district and in unincorporated Harris County, Texas. Smith International ceased to exist as an independent company following the merger with Schlumberger. This company supplies products to gas and oil production and exploration companies. The company used to be identified by its red Sii logo. The company has recently changed its logo to consist of the word "SMITH" in black capital letters with a green globe.
Noble Energy, Inc. was a company engaged in hydrocarbon exploration headquartered in Houston, Texas. In October 2020, the company was acquired by Chevron Corporation.
Noble Corporation plc is an offshore drilling contractor organized in London, England. Its affiliate, Noble Corporation, is organized in the Cayman Islands. It is the corporate successor of Noble Drilling Corporation.
Nabors Industries Limited is an American global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors operates the world’s largest land drilling rig fleet, with around 500 rigs operating in over 25 countries – in almost every significant O&G basin on the planet. It also has the largest number of high-specification rigs and custom rigs, built to withstand challenging conditions such as extreme cold, desert and many complex shale plays.
Oilfield terminology refers to the jargon used by those working in fields within and related to the upstream segment of the petroleum industry. It includes words and phrases describing professions, equipment, and procedures specific to the industry. It may also include slang terms used by oilfield workers to describe the same.
Cameron International Corporation (formerly Cooper Cameron Corporation (CCC) and Cooper Oil Tool, Cameron Iron Works) though now operating under Schlumberger, is a global provider of pressure control, production, processing, and flow control systems as well as project management and aftermarket services for the oil and gas and process industries. Cameron was acquired by Schlumberger (SLB) in 2016, and now operates as 'Cameron, an SLB Company.' At the start of the SLB acquisition in 2015, Cameron employed approximately 23,000 people and delivered $9.8 billion in revenue.
Reliance, Inc. (Reliance), headquartered in Scottsdale, Arizona, is the largest metals service center operator in North America. The company provides metals processing services and distributes a line of approximately 100,000 metal products, including aluminum, brass, alloy, copper, carbon steel, stainless steel, titanium, and specialty metal products to 125,000 customers such as fabricators and manufacturers.
SEACOR Holdings, based in Fort Lauderdale, Florida, provides equipment and services to the offshore petroleum industry and the marine transportation industry. An American corporation, the company holds a 70% ownership stake in a bioethanol plant located in Illinois.
Grant Prideco, Inc. is a supplier of drill pipe and drill stem accessories headquartered in Houston, Texas. Since 2008, it has been a subsidiary of energy services company NOV Inc. Grant Prideco was included on the Fortune magazine top 1000 largest corporations for several years in the mid-2000s and through the 1990s and early 2000s was the world's largest oilfield drill pipe supplier.
Chord Energy Corporation is a company engaged in hydrocarbon exploration and hydraulic fracturing in the Williston Basin in North Dakota and Montana. It is organized in Delaware and headquartered in Houston, Texas, with an office in Williston, North Dakota. The company was formerly known as Oasis Petroleum.
$134 million (2016)
-$117 million (2016)