Method and apparatus using pad carrying electrodes for electrica

Method and arrangement for enabling the detection of the locatio

Method and arrangement for locating a boring tool using a three-

Method and device for detection of em waves in a well

Method and device for determining the location of a rod...

Method and device for determining the position of an...

Method and device for locating and identifying search objects co

Method and device for locating the longitudinal axis of a branch

Method and device for sea electrical survey of oil-and-gas...

Method and device with adjustable focusing for measuring the ele

Method and equipment for noise-reduction when detecting a target

Method and probe arrangement for the electromagnetic detection o

Method and system for acquisition and separation of the effects

Method and system for calculating resistivity of an earth...

Method and system for calculating resistivity of an earth...

Method and system for calibrating downhole tools for drift

Method and system for detecting an object with a radio wave

Method and system for determining formation anisotropic...

Method and system for determining the depth of an electrically c

Method and system for direct prospecting of hydrocarbon deposits