Mueller Exploration, Inc. is a privately held independent oil and gas operator headquartered in Humble, Texas, operating approximately 12 producing wells across South Texas and the Gulf Coast while providing full-cycle exploration, drilling, production, and contract operating services. Since 2016, the company has drilled 12 wells, including 2 wells in 2026, with activity concentrated in the Eagle Ford play, led by Live Oak County (5 wells), and Ensign T120 serving as its primary drilling rig.