Southland Royalty Company LLC is an upstream energy company headquartered in Fort Worth, Texas, focused on the acquisition and development of oil, natural gas, and natural gas liquids. Formed in 2015 as a joint venture between EnCap Energy Capital Fund IX and X (80%) and MorningStar Partners, L.P. (20%), the company holds approximately 745,000 net working interest acres across the Wamsutter field in Wyoming and the San Juan Basin in Colorado and New Mexico. It manages 1,556 Bcfe in proved reserves and operates via a management services agreement.