U.S. federal trademark · Serial No. 88662015 · Reg. No. 6687362
Engineering services in the field of oil and gas, namely, developing subterranean wellbore fluids, environmental planning, analysis of data from well sites in the nature of well fluid design, well drill cuttings, well formation stability, well borehole stability and well fluid circulation, and technical engineering advice on the use of products for drilling and extracting hydrocarbons from subterranean wells
Chemical drilling fluids for use in subterranean wells, namely, drilling muds, completion fluids, workover fluids and wellbore fluids; chemical additives for oil drilling fluids; drilling muds and chemical drilling fluids for use in oil well drilling
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.