Method of predicting the torque and drag in directional wells
Method of, and measuring tube and measuring probe for, measuring
Method of, and tubing and support apparatus for, arranging a tub
Methods and apparatus for borehole measurement of formation stre
Methods and apparatus for borehole measurement of formation stre
Methods and apparatus for determining characteristics of subsurf
Methods and apparatus for determining flow characteristics of a
Methods and apparatus for determining the stuck point of a condu
Methods and apparatus for making chemical concentration measurem
Methods and apparatus for measuring the erodability of drilling
Methods and apparatus for measuring the rate of penetration in w
Methods and apparatus of downhole fluid analysis
Methods and steam samplers with inertial latch
Methods for analysis of drillstring vibration using torsionally
Methods for determining in situ shale strengths, elastic propert
Methods for determining velocities and flow rates of fluids flow
Methods for locating oil or gas deposits employing earth surface
Methods for locating oil or gas deposits employing temperature a
Methods of detecting and measuring in-situ elastic anisotropy in
Methods of determining well characteristics