Oasis Petroleum, Inc. engages in the business of acquisition, development and exploration. It focuses on oil and natural gas properties of Williston Basin. It operates through the following segments: Exploration and Production, Midstream Services, and Well Services. The Exploration and Production segment refers to the sale of oil, and natural gas production. The Midstream Services segment performs salt water gathering, disposal services, fresh water services, natural gas gathering and processing as well as crude oil gathering and transportation, and other midstream services for the oil and natural gas wells. The Well Services segment relates to the completion services for the oil and natural gas wells as well as the products sales and equipment rentals. The company was founded by Thomas B. Nusz and Taylor L. Reid on March 8, 2007 and is headquartered in Houston, TX.