Apparatus and method for forming ducts and passageways

Apparatus and method for horizontal drilling

Apparatus and method for mechanical caliper measurements...

Apparatus and method for obtaining downhole samples

Apparatus and method for orienting and setting a hydraulically-a

Apparatus and method for providing electrical transmission...

Apparatus and method for providing electrical transmission...

Apparatus and method for rotationally orienting a fluid conducti

Apparatus and method for simultaneously locating a fixed...

Apparatus and method for simultaneously locating a fixed...

Apparatus and method for the dynamic measurement of a drill stri

Apparatus and method for tracking multiple signal emitting...

Apparatus and method of controlling motion and vibration of...

Apparatus and method of controlling motion and vibration of...

Apparatus and method of identifying rock properties while...

Apparatus and method of identifying rock properties while...

Apparatus and methods for imaging wells drilled with...

Apparatus and methods for measuring formation...

Apparatus and methods for sampling and testing a formation...

Apparatus for arcuate drilling