Method for measuring the vertical height and/or density of drill

Method for measuring wettability of porous rock

Method for obtaining a dimensionless representation of well pres

Method for optimizing the alignment of a horizontal borehole rel

Method for optimizing the tripping velocity of a drill string

Method for performing step rate tests on injection wells

Method for performing step rate tests on injection wells

Method for testing a cased hole formation

Method for testing perforating and testing an open wellbore

Method for the determination of depth of a fluid-saturated strat

Method for troubleshooting gas-lift wells

Method of analyzing vibrations from a drilling bit in a borehole

Method of and apparatus for detecting an influx into a well whil

Method of and apparatus for measuring annulus pressure in a well

Method of and apparatus for measuring bottom hole well pressure

Method of and apparatus for mining analysis

Method of and arrangement for determining geohydraulic permeabil

Method of automatically determining drilling fluid lag time whil

Method of borehole logging using passive Josephson current detec

Method of correlating a core sample with its original position i