U.S. federal trademark · Serial No. 75647441 · Reg. No. 2862978
repair and maintenance of subterranean wellbore surfaces used in the production of oil and gas, namely, the removal of spent, de-watered drilling fluid(i.e., drilling cake) adhered to the walls of the wellbore
chemicals for use in oil and gas production for the purpose of removing spent, de-watered drilling fluid(i.e., drilling cake) from a wellbore
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