Method and apparatus for detecting the peak of an analog signal

Method and apparatus for detecting underground utility...

Method and apparatus for detecting, locating and resolving...

Method and apparatus for detection of a liquid under a surface

Method and apparatus for detection of copper

Method and apparatus for detection of hydrocarbon deposits

Method and apparatus for detection of petroleum products

Method and apparatus for detection using magnetic gradient...

Method and apparatus for determination for adsorbed fluid in...

Method and apparatus for determination of subsurface...

Method and apparatus for determination of subsurface...

Method and apparatus for determining a granularity property...

Method and apparatus for determining and applying a gain...

Method and apparatus for determining cement conditions

Method and apparatus for determining characteristics of...

Method and apparatus for determining characteristics of...

Method and apparatus for determining density of earth...

Method and apparatus for determining direction parameters of...

Method and apparatus for determining earth formation...

Method and apparatus for determining electromagnetic...