John Regan

Quicksilver Resources, Inc. was engaged in the acquisition, exploration, development and production of onshore oil and gas in North America. It operated through the Midstream and Exploration & Production segments. The Midstream segment provided natural gas gathering and processing services. The Exploration and Production segment focused on oil and natural gas industry. The company was founded in 1997 and was headquartered in Chester, OH.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Quicksilver Gas Services LP engaged in the business of gathering and processing natural gas produced primarily from the Barnett Shale formation.The company's assets include Cowtown Pipeline, and two natural gas processing facilities in Hood County, Texas, referred to as the Cowtown Plant and the Corvette Plant. KGS also owns a gathering system and a gas compression facility in eastern Tarrant County, Texas, referred to as the Lake Arlington Dry System.The company was founded in 2004 and is headquartered in Forth Worth, TX.

Part of Energy Transfer LP, Crestwood Gas Services GP LLC is a company that processes natural gas and natural gas liquids. The company is based in Fort Worth, TX. Robert G. Phillips has been the CEO of the company since 2010. Crestwood Gas Services GP was acquired by Crestwood Equity Partners LP, a subsidiary of Energy Transfer LP from Crestwood Holdings Partners LLC on June 19, 2013 for $843.53 million.

Quicksilver Production Partners LP owns and acquires oil and gas properties in North America. Its oil and gas reserves are located in the Barnett Shale. The company was founded in November 2011 and is headquartered in Fort Worth, TX.

Vine Energy, Inc. is a holding company, with in interests in oil and gas properties, assets, and operations of the Vine Holdings group. The company was founded on December 30, 2016 and is headquartered in Plano, TX.

Alta Mesa Resources, Inc. is an independent exploration and production company, which is engages in the development of unconventional onshore oil and natural gas reserves. It operates through the following segments: Exploration and Production, Midstream, and Corporate. The Exploration and Production segment sells its production of oil, natural gas, and natural gas liquids (NGL) to customers generally at prevailing spot prices in effect at the time of the sale. The Midstream segment derives its revenue from fees assessed for gathering and processing natural gas, gathering and transporting oil, the sale of processed residue gas and NGLs, and produced water gathering and disposal services. The company was founded in November 2016 and is headquartered in Houston, TX.