Seadrill is an offshore drilling contractor that provides worldwide offshore drilling services to the oil and gas industry. The company's primary business involves the ownership and operation of drillships, semi-submersible rigs, and jack-up rigs for operations in shallow to ultra-deep water, in both benign and harsh environments. Seadrill was founded on May 10, 2005, and is headquartered in Hamilton, Bermuda, with operational headquarters in Houston, Texas.