U.S. federal trademark · Serial No. 85526097 · Reg. No. 4960467
Oil field equipment for isolating the location of a section of a borehole, comprised of packers, plugs, mandrels; electronic and telemetry instruments, namely, wireline cables and conductors and magnetic sensors to convey data regarding wellbore features to surface for the purpose of locating a borehole section and installation of the oil field equipment; and milling, reaming and debris clearing implements to clear the borehole and structural parts therefor
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