78952049
Aug 15, 2006
Feb 19, 2008
Downhole drilling system, namely, a motor, drill bit, a mud pulser and an automated direction control comprised of a steerable stabilizer and steering unit that is used for drilling subterranean oil, gas, and water wells
MachineryDownhole well drilling services, namely, using a motor, drill bit, a mud pulser and an automated direction control comprised of a steerable stabilizer and steering unit for drilling subterranean oil, gas, and water wells
Building Construction and Repair