On June 8, 2020, Alta Mesa Resources, Inc. went out of business as per its Chapter 11 liquidation filing under bankruptcy. Alta Mesa Resources, Inc., an independent exploration and production company, focuses on the acquisition, development, exploration, and exploitation of unconventional onshore oil and natural gas reserves in the United States. It operates in two segments, Upstream and Midstream. The Upstream segment owns proved and unproved oil and gas properties. The Midstream segment owns and operates gas gathering, processing and produced water disposal, and crude oil gathering and transportation assets. The company was formerly known as Silver Run Acquisition Corporation II and changed its name to Alta Mesa Resources, Inc. in February 2018. Alta Mesa Resources, Inc. was founded in 1987 and is based in Houston, Texas. On June 8, 2020, Alta Mesa Resources, Inc. went out of business as per its Chapter 11 liquidation filing under bankruptcy.