U.S. federal trademark · Serial No. 88690409 · Reg. No. 6259177
Oil and gas well drilling; oil and gas well completion and workover services, namely, oil well casing, tubing and drill pipe installation, drilling of oil and gas wells, cementing services for oil and gas wells, wirelining for oil and gas wells, oil and gas well boring, oil and gas well downhole coring services, construction of structure for the production of crude oil
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