Method and apparatus for controlling the manufacture of well...

Method and apparatus for controlling the rotational torque...

Method and apparatus for controlling the transfer of tubular...

Method and apparatus for controlling wellbore equipment

Method and apparatus for controlling wellbore equipment

Method and apparatus for controlling wells

Method and apparatus for conveying a logging tool through an...

Method and apparatus for conveying fluids, particularly...

Method and apparatus for cooling flasked instrument assemblies

Method and apparatus for correcting data points acquired...

Method and apparatus for correcting underestimation of...

Method and apparatus for coupling expandable tubular members

Method and apparatus for creating a slurry

Method and apparatus for creating leak-tested perforating...

Method and apparatus for creating positive pressure in a...

Method and apparatus for cutting a notch in a formation...

Method and apparatus for cutting erosive materials using...

Method and apparatus for cutting formations, especially...

Method and apparatus for cutting inside of a well

Method and apparatus for data transmission in a well bore...