Joseph B. Eustace

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.

WEDGE Oil & Gas Services LLC had provided well servicing, wire line, fishing, and rental services. It offered radial and standard cement bond logging with gamma-ray-neutron, casing calipers, temperature logging, pipe recovery, bridge plugs, and perforating services. The company was headquartered in Houston, TX.

Part of Key Energy Services, Inc., Dawson Production Services, Inc. provides work over production services for oil and gas wells. The company is based in San Antonio, TX. Dawson Production Services was acquired by Key Energy Services, Inc. on September 22, 1998 for $194.26 million.