Method and device for acquiring and processing signals obtained

Method and device for filtering elliptical waves propagating in

Method and device for making geophysical measurements within a w

Method and device for measuring vibrational stresses and velocit

Method and equipment for acoustic wave prospecting in producing

Method and sonic tool apparatus for investigating properties of

Method and system for monitoring the stability of boreholes

Method and system for producing a PPI display

Method and system of analysis of the behavior of a drill string

Method for acoustic reverberation removal

Method for acoustic signal detection

Method for acoustically measuring wall thickness of tubular good

Method for cement evaluation using acoustical logs

Method for cementation evaluation using acoustical coupling and

Method for computing borehole geometry from ultrasonic pulse ech

Method for computing borehole geometry from ultrasonic pulse ech

Method for correcting compressional velocity well logs for effec

Method for deriving reservoir lithology and fluid content from p

Method for detecting gas influx in wellbores and its...

Method for determining borehole fluid influx