Method/apparatus for measuring mud resistivity using a focused-e

Methods and apparatus employing permanent magnets for marking, l

Methods and apparatus employing permanent magnets for marking, l

Methods and apparatus for determination of a formation...

Methods and apparatus for imaging earth formation with a...

Methods and apparatus for induction logging in cased boreholes

Methods and apparatus for measurement of electronic properties o

Methods and apparatus for measurement of electronic properties o

Methods and apparatus for measurement of low frequency a.c. magn

Methods and apparatus for measurement of the resistivity of geol

Methods and apparatus for measurement of the resistivity of geol

Methods and apparatus for measuring characteristics of a formati

Methods and apparatus for measuring electrical properties of...

Methods and apparatus for measuring electrical properties of...

Methods and apparatus to produce stick-slip motion of logging to

Methods and apparatuses for measuring the resistivity of...

Methods and devices for analysis of sealed containers

Methods employing permanent magnets for marking, locating, traci

Methods for determining formation dip and strike using high freq

Methods for enhancing mapping of thermal fronts in oil recovery