PIONEER ENERGY SERVICES

Oil and gas drilling; oil and gas well servicing, namely, oil and gas well maintenance and repair; oil and gas well completion and work over services, namely, preparing wells for production and cleaning, repairing and maintaining re-entered wells; plugging and abandonment of oil and gas wells; [ rental of oil and gas well equipment and fishing tools; fluid disposal, namely, disposal of brine and other drilling and production fluids used in oil and gas drilling; ] wire lining for oil and gas wells [ ; oil and gas fracturing, namely, well improvement services, namely, hydraulic fracturing of subsurface geologic formations to enhance well production ]