U.S. federal trademark · Serial No. 87656574 · Reg. No. TMA1045532
Installation, maintenance and repair of computer software for the drilling job of oil and gas well
Downloadable computer software for well drilling control and related downloadable documentation in the fields of data about engineering capabilities for drilling, geological information, daily cost information, well trajectory design, anti-collision information, torque and drag calculation, hydraulics calculation, and casing string design relating to oil and gas wells; Computer software recorded on CD-ROM for well drilling control and related downloadable documentation in the fields of data about engineering capabilities for drilling, geological information, daily cost information, well trajectory design, anti-collision information, torque and drag calculation, hydraulics calculation, and casing string design relating to oil and gas wells
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