Aker Solutions ASA, an engineering company based in Oslo, provides the products, systems and services required to unlock energy from sources such as oil, gas, offshore wind and CO2 capture. The company, founded in 1841, was known as Aker Kværner until 2008. In 2020, the company announced a meger with Kværner ASA
Transocean Ltd. is an American company. It 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, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia.
China Oilfield Services (COSL) is an oilfield services company. It is a majority owned subsidiary of Chinese state owned company CNOOC Group. It also has a listed sister company in Hong Kong, CNOOC Limited.
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.
A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed. Modern wells have blowout preventers intended to prevent such an occurrence. An accidental spark during a blowout can lead to a catastrophic oil or gas fire.
Prosafe SE is a company specialized in owning/operating semi-submersible accommodation vessels. The company is listed on the Oslo Stock Exchange.
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.
Dolphin Drilling Holdings Limited is an offshore drilling rig company headquartered in Aberdeen, Scotland, United Kingdom with its main subsidiary Dolphin Drilling AS located in Sandnes, Norway. Until 2019, Dolphin Drilling had its headquarters in Oslo, Norway.
Aker Drilling, was a Norwegian drilling rig operation company; based in Stavanger, Norway and majority owned by the Aker Group. It was listed on Oslo Stock Exchange under the ticker - 'AKD'.
Smedvig ASA, ("Smedvig"), was a Norwegian offshore oil rig company headquartered in Stavanger until it was acquired by rig newcomer SeaDrill of tanker mogul John Fredriksen. At time of the merger Smedvig operated two semi submersibles, one drillship and one jack up rig in the Norwegian and British sector of the North Sea. A fleet of seven tender rigs were operated in South East Asia from the Singaporean subsidiary Smedvig Asia. As part of the merger, Smedvig's staff was transferred to Seadrill with Smedvig senior personnel assuming key positions in Seadrill. Smedvig was delisted from the OSE and NYSE, while Seadrill is listed on the Oslo Stock Exchange.
Lundin Energy is an independent oil and gas exploration and production company formed from Lundin Oil in 2001 and based in Sweden with focus on operations in Norway. It is listed on the Stockholm Stock Exchange.
Songa Offshore SE is a European offshore drilling contractor founded in 2005 with offices in Cyprus, Stavanger, Oslo, Houston, Kuala Lumpur, Aberdeen, and Singapore.
Awilco Offshore was a Norwegian drilling rig owner. In 2008 the company operated five jackup rigs and two semi-submersible accommodation rigs, with several others on order. Awilco was founded in 2005, headquartered in Oslo and was listed on the Oslo Stock Exchange. Operation of its rigs was done by the company Premium Drilling, owned by Awilco and Sinvest. The company was acquired by China Oilfield Services in 2008 and merged into its existing operations.
Sinvest is a Norwegian oil drilling investment company, with headquarters in Kristiansand. The company is a long-term financial and strategic investor in oil resources and offshore companies and has been listed on the Oslo Stock Exchange since 2001.
Equinor ASA is a Norwegian state-owned multinational energy company headquartered in Stavanger. It is primarily a petroleum company, operating in 36 countries with additional investments in renewable energy. In the 2020 Forbes Global 2000, Equinor was ranked as the 169th-largest public company in the world. As of 2021, the company has 21,126 employees.
Nabors Industries Limited is an American global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors owns the largest land drilling fleet in the world with approximately 400 rigs in more than 20 countries. The company consists of the following business segments: U.S. Drilling, Canada Drilling, International Drilling, Drilling Solutions, and Rig Technologies. Nabors is notable for its historic association with the Guggenheim family.
Odfjell Drilling Ltd. is an oil drilling, well service, and engineering company.
Krishna Godavari Basin is a peri-cratonic passive margin basin in India. It is spread across more than 50,000 square kilometres in the Krishna River and Godavari River basins in Andhra Pradesh. The site is known for the D-6 block where Reliance Industries discovered the biggest natural gas reserves in India in 2003.
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.
Rex International Holding is an oil and gas company headquartered in Singapore. The company's main activity is in offshore oil and gas exploration and production in assets located in Oman and Norway.
NOK 810 million (2006)
