Seadrill Ltd. is an offshore drilling contractor providing offshore drilling services to the oil and gas industry. Its primary business is the ownership and operation of drillships, semi-submersible rigs, jack-up rigs, tender rigs for operations in shallow, mid, deep, and ultra deep-water areas, and in benign and harsh environments. The company operates through the following segments: Floaters, Jack-up Rigs, and Other. The Floaters segment offer services encompassing drilling, completion, and maintenance of offshore exploration and production wells. The Jack-up Rigs segment offers drilling services, completion and maintenance of offshore exploration and production wells. The Other segment engages in management services to third parties and related parties. Seadrill was founded on May 10, 2005 and is headquartered in Hamilton, Bermuda.