Schlumberger Limited is an oilfield services company. Schlumberger employees represent more than 140 nationalities working in more than 120 countries. Schlumberger has four principal executive offices located in Paris, Houston, London, and The Hague.
Baker Hughes Company is an American international industrial service company and one of the world's largest oil field services companies. The company provides the oil and gas industry with products and services for oil drilling, formation evaluation, completion, production and reservoir consulting. Baker Hughes is organized in Delaware and headquartered in Houston. The company was originally known as Baker Hughes Incorporated until 2017 when it was merged with GE Oil and Gas to become Baker Hughes, a GE Company (BHGE), then in 2019 the company divested from General Electric and became Baker Hughes Company. As of December 2020, GE is no longer majority owner of Baker Hughes, owning 30% and intending to completely divest its ownership stake over the next few years.
Occidental Petroleum Corporation is an American company engaged in hydrocarbon exploration in the United States, the Middle East, and Colombia as well as petrochemical manufacturing in the United States, Canada, and Chile. It is organized in Delaware and headquartered in Houston. The company is ranked 167th on the Fortune 500 and 669th on the Forbes Global 2000.
Transocean Ltd. is the world's largest offshore drilling contractor based on revenue and is based in Vernier, Switzerland. The company has offices in 20 countries, including Canada, the United States, Norway, Scotland, India, Brazil, Singapore, Indonesia, and Malaysia.
Sonat, Inc., headquartered in Birmingham, Alabama, was a large Fortune 500 American energy holding company. The company was founded in 1928 and was listed on the New York Stock Exchange under the ticker symbol "SNT". Sonat was primarily involved in transmission and marketing natural gas and oil and gas exploration and production. The company was also involved in contract offshore drilling until 1995 when the offshore business became Transocean. In 1999 Sonat merged with El Paso Corporation. The company was headquartered in the AmSouth-Sonat Tower in downtown Birmingham.
A drillship is a merchant vessel designed for use in exploratory offshore drilling of new oil and gas wells or for scientific drilling purposes. In most recent years the vessels are used in deepwater and ultra-deepwater applications, equipped with the latest and most advanced dynamic positioning systems.
The China National Petroleum Corporation (CNPC) is a major national oil and gas corporation of China and one of the largest integrated energy groups in the world. Its headquarters are in Dongcheng District, Beijing. CNPC was ranked fourth in 2020 Fortune Global 500, a global ranking of the largest corporations by revenue.
Valaris plc is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in the UK. It is the largest offshore drilling and well drilling company in the world, and owns 74 rigs, including 50 offshore jackup rigs, 16 drillships, and 8 semi-submersible platform drilling rigs.
Diamond Offshore Drilling, Inc. is an offshore drilling contractor. The company is headquartered in Katy, Texas, United States, and has major offices in Australia, Brazil, Mexico, Scotland, Singapore, and Norway.
Seadrill is a deepwater drilling contractor for the petroleum industry. It is incorporated in Bermuda for tax purposes and managed from London And Houston The company operates semi-submersible platforms, jackup rigs and drillships.
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, United Kingdom. Its affiliate, Noble Corporation, is organized in the Cayman Islands. It is the corporate successor of Noble Drilling Corporation.
Atwood Oceanics, Inc. was an offshore drilling contractor headquartered in Houston, Texas. In October 2017, the company was acquired by Ensco plc.
Gardner Denver Inc., founded in 1859, is an American worldwide provider of industrial equipment, technologies and related parts and services to a broad and diverse customer base through a family of brands. The company has over 30 manufacturing facilities located in the Americas, Europe, the Middle East, and Asia Pacific with offices in 35 different countries. Based in Milwaukee, Wisconsin, USA, it operates in three groups: the Industrials Group, Energy Group, and Medical Group.
Royal Dutch Shell, commonly known as Shell, is an Anglo-Dutch multinational oil and gas company headquartered in The Hague, Netherlands, and incorporated in the United Kingdom as a public limited company. It is one of the oil and gas "supermajors" and, measured by 2020 revenues, the fifth-largest company in the world, the largest based in Europe, and the largest not based in either the United States or China. In the 2020 Forbes Global 2000, Royal Dutch Shell was ranked as the 21st-largest public company in the world. Shell was first in the 2013 Fortune Global 500 list of the world's largest companies; in that year its revenues were equivalent to 84% of the Dutch national $556 billion GDP.
Cameron International Corporation 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, a Schlumberger Company.' At the start of the SLB acquisition in 2015, Cameron employed approximately 23,000 people and delivered $9.8 billion in revenue.
LeTourneau Technologies, Inc. was an American manufacturer of heavy construction equipment founded by R. G. LeTourneau. In 2011, the company was acquired by Joy Global.
Gulf Drilling International Limited (GDI) is a Qatari Shareholding Company based in West Bay, Doha.
SpaceX's floating launch platforms are modified oil rigs now under construction to use in the 2020s to provide a sea launch and landing option for their second-generation launch vehicle: the super heavy-lift Starship system, consisting of the Super Heavy booster and Starship second stage.
$1.460 billion (2010)
$0.243 billion (2010)