Diamond Offshore Drilling
NYSE:DODiamond Offshore Drilling, Inc. provides contract drilling services to the energy industry worldwide. As of December 31, 2021, the company operated a fleet of 12 offshore drilling rigs, including four drillships and eight semisubmersible rigs. It serves independent oil and gas companies, and government-owned oil companies. The company was founded in 1953 and is headquartered in Houston, Texas.
Nabors Industries
NYSE:NBRNabors Industries Ltd. provides drilling and drilling-related services for land-based and offshore oil and natural gas wells in the United States and internationally. The company operates through four segments: U.S. Drilling, International Drilling, Drilling Solutions, and Rig Technologies. It provides tubular running services, including casing and tubing running, and torque monitoring; managed pressure drilling services; and drilling-bit steering systems and rig instrumentation software. The company also offers drilling systems comprising ROCKit, a directional steering control system; SmartNAV, a collaborative guidance and advisory platform; SmartSLIDE, a directional steering control system; and RigCLOUD, a digital infrastructure to integrate applications to deliver real-time insight into operations across the rig fleet. In addition, it operates a fleet of land-based drilling rigs and marketed platforms rigs; manufactures and sells top drives, catwalks, wrenches, drawworks, and other drilling related equipment, such as robotic systems and downhole tools; and provides aftermarket sales and services for the installed base of its equipment. Nabors Industries Ltd. was founded in 1952 and is based in Hamilton, Bermuda.
Ocean Rig UDW
NASDAQ:ORIGOcean Rig UDW Inc., an offshore drilling contractor, provides oilfield services for offshore oil and gas exploration, development, and production drilling worldwide. It specializes in the ultra-deepwater and harsh-environment segment of the offshore drilling industry. The company owns and operates two fifth generation harsh weather ultra-deepwater semisubmersible offshore drilling units under the Leiv Eiriksson and Eirik Raude names; five sixth generation ultra-deepwater drilling units under the Ocean Rig Corcovado, the Ocean Rig Olympia, the Ocean Rig Poseidon, and the Ocean Rig Mykonos names; and four seventh generation drilling units under the Ocean Rig Mylos, the Ocean Rig Skyros, the Ocean Rig Athena, and the Ocean Rig Apollo names. It serves oil companies, integrated oil and gas companies, state-owned national oil companies, and independent oil and gas companies. The company is based in George Town, the Cayman Islands.
Patterson-UTI Energy
NASDAQ:PTENPatterson-UTI Energy, Inc., through its subsidiaries, engages in the provision of contract drilling services to oil and natural gas operators in the United States and internationally. It operates through three segments: Drilling Services, Completion Services, and Drilling Products. The Contract Drilling Services segment provides contract and directional drilling services in onshore oil and natural gas basins, as well as engages in the service and re-certification of equipment for drilling contractors, and provision of electrical controls and automation to the energy, marine and mining industries. The Completion Services segment offers services for hydraulic fracturing, wireline and pumping, completion support, and cementing; and involved in the power solutions natural gas fueling, and logistics and storage businesses. The Drilling Products segment manufactures and distributes drill bits for energy and mining markets. It also provides software and services, such as MWD Survey FDIR, a data analytics technology to analyze MWD survey data in real-time and identify the position of a well; HiFi Nav, which enhances FDIR by targeting improved vertical placement of the directional well within the reservoir; HiFi Guidance, utilizes trajectory optimization to determine optimal steering recommendations and placement within the reservoir; and rents oilfield tools. The company was founded in 1978 and is headquartered in Houston, Texas.
Transocean
NYSE:RIGTransocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells worldwide. It contracts mobile offshore drilling rigs, related equipment, and work crews to drill oil and gas wells. The company operates a fleet of mobile offshore drilling units, consisting of ultra-deepwater floaters and harsh environment floaters. It serves integrated energy companies, government-owned or government-controlled energy companies, and other independent energy companies. The company was founded in 1926 and is based in Steinhausen, Switzerland.