Method and apparatus for installing a sensor array

Method and apparatus for installing electronic equipment below s

Method and apparatus for measuring seismic energy imparted...

Method and apparatus for monitoring and controlling a multiplici

Method and apparatus for reducing and extracting wing-tip...

Method and apparatus for reducing the stretch of an elastomeric

Method and apparatus for seismic exploration

Method and apparatus for seismically surveying an earth...

Method and apparatus for sensing when a seismic gas exploder is

Method and apparatus for signal improvement in marine seismic ex

Method and apparatus for suppressing waves in a borehole

Method and apparatus for the downhole measurement of elastic roc

Method and apparatus for the production of seismic shocks

Method and apparatus for tube-wave suppression

Method and apparatus for ultrasonic scanning of a borehole havin

Method and apparatus using acoustic sensor for sub-surface...

Method and device for improving the coefficient of transmission

Method and device for initiating an underwater implosive seismic

Method and device for operation of equipment installed in marine

Method and device of seismic prospection in wells and particular