Method and apparatus for controlling the downhole acoustic...

Method and apparatus for controlling the effect of contact...

Method and apparatus for converting an air gun into a hydro...

Method and apparatus for converting tube waves to body waves...

Method and apparatus for correcting distorted seismic data

Method and apparatus for correcting drift in the response of...

Method and apparatus for correcting effects of ship motion...

Method and apparatus for correcting the timing function in a...

Method and apparatus for creating, testing, and modifying...

Method and apparatus for cross-well seismic surveying

Method and apparatus for deconvolving apparent conductivity...

Method and apparatus for demodulating signals in logging...

Method and apparatus for deriving a calibration filter for...

Method and apparatus for deriving compensated measurements...

Method and apparatus for detecting a conductive mineral

Method and apparatus for detecting boundary stratum

Method and apparatus for detecting impending earthquakes

Method and apparatus for detecting metal objects

Method and apparatus for detecting overpressured zone ahead...

Method and apparatus for detecting rock movement