Atwood Oceanics, Inc. was an offshore drilling contractor headquartered in Houston, Texas. In October 2017, the company was acquired by

Ensco plc Valaris Limited (previously ENSCO-Rowan plc) is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in Bermuda. It is the largest offshore drilling and well drilling company in the world, and owns 52 rigs, including ...

. The company owned and operated 4 ultra-deepwater drillships, 2 ultra-deepwater semisubmersibles (can drill in water up to 12,000' deep), 2 deepwater semisubmersibles, and 5 high-specification

jackup rig A jackup rig or a self-elevating unit is a type of mobile platform that consists of a buoyant hull fitted with a number of movable legs, capable of raising its hull over the surface of the sea. The buoyant hull enables transportation of the unit a ...

s. In fiscal 2015, 5 customers accounted for a total of 63% of revenues: Noble Energy, Royal Dutch Shell, Woodside Petroleum,

Chevron Corporation Chevron Corporation is an American multinational energy corporation. The second-largest direct descendant of Standard Oil, and originally known as the Standard Oil Company of California (shortened to Socal or CalSo), it is headquartered in S ...

, and

Kosmos Energy Kosmos Energy is an American upstream oil company founded and based in Dallas, Texas. While previously incorporated in Bermuda, Kosmos has reincorporated in Delaware. The company holds production and development operations offshore Ghana, Equato ...

. In fiscal 2015, the company derived 76% of its revenue from its 6 deepwater drillships and semisubmersibles. In fiscal 2015, 71% of the company's revenues were derived outside of the United States. The company derived more of its revenues in

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

than in any other country.

History

The company was founded in 1968 by John Atwood. The company began operation by 1970. In 1972, the company became a public company. In October 2017, the company was acquired by Ensco plc (now

Valaris Limited Valaris Limited (previously ENSCO-Rowan plc) is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in Bermuda. It is the largest offshore drilling and well drilling company in the world, and owns 52 rigs, including ...

References

External links

{{authority control Non-renewable resource companies established in 1968 1968 establishments in Texas Non-renewable resource companies disestablished in 2017 2017 disestablishments in Texas 2017 mergers and acquisitions 1970s initial public offerings

History

See also

References

External links