Buddy Shamblin

Pioneer Energy Services LLC. engages in the provision of land-based drilling services and production services to oil and gas exploration and production companies. It operates through Drilling and Production Services segments. The Drilling Services segment offers drilling rig, crews, supplies, and most of the ancillary equipment needed to operate drilling rigs. The Production Services segment offers well servicing,wireline and coiled tubing services to producers primarily in Texas and the Mid-Continent and Rocky Mountain regions, as well as in North Dakota, Louisiana and Mississippi. The company was founded in 1968 and is headquartered in San Antonio, TX.