Method and apparatus for obtaining high accuracy simultaneous ca

Method and apparatus for obtaining properties of subsurface form

Method and apparatus for obtaining sectional information of the

Method and apparatus for offshore electromagnetic sounding utili

Method and apparatus for optimizing the reception pattern of the

Method and apparatus for ore prospecting utilizing an aerial tra

Method and apparatus for passive detection of geophysical...

Method and apparatus for passively detecting the depth and locat

Method and apparatus for precisely locating a buried utility con

Method and apparatus for predicting seismic events

Method and apparatus for predicting the occurrence of an earthqu

Method and apparatus for processing a signal received by an...

Method and apparatus for rapid tomographic measurements of...

Method and apparatus for recovering hydrocarbons from...

Method and apparatus for reducing borehole and eccentricity...

Method and apparatus for reducing signal-phase error in inductio

Method and apparatus for reducing the effects of parasitic...

Method and apparatus for resolving the position and identity...

Method and apparatus for side leg utility conveyance

Method and apparatus for signal bandpass sampling in measurement