Post Oak Energy Capital is a private equity based venture capital firm headquartered in Houston, Texas. Founded in 2006, the firm specializes in developing oil and gas industry companies. Post Oak Energy's invests in all phases of oil and gas production - upstream, midstream, and oilfield phases. Its investments included the oil exploration, oilfield services, drilling, storage and pipelines, and oil Infrastructure sectors.
Post Oak Energy Capital was cofounded by Frost Cochran, Phillip Davidson, and Clint Wetmore. The firm closed its first fund 2011. In 2017, it was reported that the firm closed its fourth fund valued at $600 million.