Valaris Limited (previously ENSCO-Rowan plc) is an contractor headquartered in Houston, Texas, and incorporated in . It is the largest and company in the world, and owns 52 rigs, including 36 offshore , 11 , and 5 . In 2022, the company's largest customer was (15% of revenues).
[pdf] The oil rig count is currently 411 rigs, compared to 438 in June and 483 one year ago. The gas rig count is 122, compared to 111 in June and 97 last August. In the major plays, the Permian Basin rig count is at 255 rigs, 16 fewer than June’s count.
[pdf] Noble Corporation plc is an contractor organized in , England. Its affiliate, Noble Corporation, is organized in the . It is the corporate successor of Noble Drilling Corporation. The company operates 24 drilling rigs including eight , four , and 12 .
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