Robert Watson

Abraxas Petroleum Corp. engages in the acquisition, exploration, development, and production of crude oil and natural gas. It focuses primarily on the development of conventional and unconventional resources in its primary operating areas in the Rocky Mountains, South Texas, Powder River Basin, and Permian Basin. The company was founded by Robert L.G. Watson in 1977 and is headquartered in San Antonio, TX.

Grey Wolf Exploration, Inc. engages in the exploration, development and production of crude oil and natural gas reserves in Western Canada. The company was founded on December 31, 1993 and is headquartered in Calgary, Canada.

Andeavor engages in the refining and marketing of petroleum products. It operates through the following segments: Refining, Logistics, and Marketing. The Refining segment buys and refines crude oil and other feed stocks into transportation fuels, such as gasoline and gasoline blend stocks, jet fuel and diesel fuel, as well as other products, including heavy fuel oils, liquefied petroleum gas and petroleum coke for sale in bulk markets to a wide variety of customers within Andeavor's markets. The logistics segment includes crude oil and natural gas gathering assets, natural gas and natural gas liquid processing assets, and crude oil and refined products terminalling, transportation and storage assets acquired from Andeavor and third parties. The Marketing segment sells transportation fuels through branded and unbranded channels. Its brand portfolio includes ARCO, Shell, Exxon, Mobil, USA Gasoline, Rebel, and Tesoro. The company was founded by West V. Robert, Jr. in 1964 and is headquartered in San Antonio, TX.

Canadian Abraxas Petroleum Ltd explores for, develops, and produces oil and natural gas. The American company is ultimately controlled by the Emirate of Abu Dhabi (United Arab Emirates).