VISULOGGER
Well-Drilling Data Processors Used for Providing Computer Read-Out Information Indicative of Parameters Useful When Drilling Oil and Gas Wells-Namely, Time, Depth, Rate of Penetration, Hook Load, Bit Weight, Pump Pressure, Pump Strokes, Rotary RPM, Rotary Torque, Mud Volume, Mud Volume Deviation, Flow Line Rate, Gas Presence, and the Like
Cancelled · March 12, 1984 · 73469603 ·