Cathedral Energy Services 

Cathedral Energy Services Ltd., together with its subsidiaries, provides directional drilling services to oil and natural gas companies in western Canada and the United States. It offers remote directional and measurement-while-drilling (MWD), automated gamma, drilling optimization, and well planning services. The company's products include nDURANCE motors for formations with poor build tendencies and monobore wells, as well as hard, aggressive, and unconsolidated formations; MWD sensors to determine trajectory parameters, such as inclination, direction, and tool-face orientation; FUSION MWD system, a central data processing unit to which a range of sensors and telemetry options can be connected to provide the data collection and transmission services; and RapidFire, a MWD tool. The company was founded in 1998 and is headquartered in Calgary, Canada.