Use of cuttings tank for slurrification on drilling rig
Using a rotating inner member to drive a tool in a hollow...
Using a rotating inner member to drive a tool in a hollow...
Using a rotating inner member to drive a tool in a hollow...
Using a rotating inner member to drive a tool in a hollow...
Using hydrostatic bearings for downhole applications
Vacuum boring and mud recovery system
Vacuum excavator
Vacuum feed supply system for drilling fluid additives
Vacuum tank for use in handling oil and gas well cuttings
Variable rake mine tool insert and method of use
Vertical drilling method and apparatus
Vibration dampened table bushing assembly for rotary drilling ma
Vortex method
Water well completion method
Water-based drilling fluid deacidification process and apparatus
Wear protection on a rock bit
Welded joints for rotary-vibratory drills having reduced stress
Well bore drilling direction changing method
Well bore reamer and method