U.S. federal trademark · Serial No. 76548618 · Reg. No. 2937344
Petroleum engineering, namely, petroleum engineering laboratory research services; production well testing; oil and gas well flowback following fracturing treatments; oil and gas well testing for bottom hole pressure and temperature; hydraulic wire line services; oil and gas well offshore testing services; oil and gas well reservoir analysis; oil and gas well pressure transient analysis
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.