EnCap Flatrock Midstream, a private equity firm, completed a $300m investment in Rangeland Energy, an oil and gas company. “We are very excited to launch Rangeland IV and continue our long-term partnership with EnCap Flatrock Midstream. Rangeland IV will be focused on acquiring assets and developing projects that accommodate an ever-increasing global demand for traditional energy commodities while simultaneously assessing new opportunities in an evolving energy landscape," Chris Keene, Rangeland Energy CEO.