Method and apparatus for the downhole measurement of elastic roc

Method and apparatus for ultrasonic scanning of a borehole havin

Method and device for improving the coefficient of transmission

Method and device of seismic prospection in wells and particular

Method and system for acoustic noise logging

Method and system for cement bond evaluation high acoustic veloc

Method and system for determining the azimuth position and...

Method and system for measuring azimuthal anisotropy effects usi

Method and system for seismic continuous bit positioning

Method for determining the shape of an underground cavity and th

Method for distinguishing between single-phase gas and single-ph

Method for measuring acoustic impedance and dissipation of mediu

Method of coupling a seimic detector module to the wall of a bor

Method of coupling a seismic detector module to the wall of a bo

Method of loggging an inclined wellbore

Methods and apparatus for use in detecting seismic waves in...

Methods and apparatus of suppressing tube waves within a...

Methods and apparatus of suppressing tube waves within a...

Mobile well-logging laboratory

Multi channel borehole seismic surveying tool