U.S. federal trademark · Serial No. 78358870 · Reg. No. 3146264
Subterranean well testing services for use in connection with subterranean well drilling operations; Engineering services in connection with the selection and us of specialized equipment for subterranean well drilling operations
Chemical drilling fluids for use in subterranean wells, namely, drilling muds, completion fluids, workover fluids and wellbore fluids; chemical products for use with drilling fluids, chemical additives for use with drilling fluids; drilling muds and chemical drilling fluids
Subterranean well drilling services, namely, technical advice on drilling fluids and drilling fluid use, and advice on data control, products control, and pressure control
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.