U.S. federal trademark · Serial No. 85507842 · Reg. No. 4194056
Cementing services for oil and gas wells; Wirelining for oil wells
Oil production services; Oil well prospecting, namely, perforation and spill treatment
Oil prospecting, namely, well logging and testing; Well logging
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.