U.S. federal trademark · Serial No. 73182493 · Reg. No. 1127336
OILWELL DRILLING SERVICES-NAMELY, TECHNICAL ADVICE ON DRILLING MUDS AND DRILLING MUD USE; ADVICE ON DATA CONTROL, PRODUCTS CONTROL AND PRESSURE CONTROL; AND ENGINEERING SERVICES IN CONNECTION WITH THE SELECTION AND USE OF SPECIALIZED EQUIPMENT FOR OILWELL DRILLING OPERATIONS
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