Measuring reservoir oil saturation

Measuring system for measuring real time groundwater data

Measuring torque and hook load during drilling

Metal pad for downhole formation testing

Method and apparatus for acoustic logging of fluid density and w

Method and apparatus for acquiring data in a hydrocarbon well

Method and apparatus for acquiring data in a hydrocarbon...

Method and apparatus for an optimal pumping rate based on a...

Method and apparatus for analyzing a multi-phase flow in a hydro

Method and apparatus for analyzing casing wear and retrieval...

Method and apparatus for analyzing drill cuttings

Method and apparatus for balanced pressure sampling

Method and apparatus for compensating for drilling line stretch

Method and apparatus for conducting well production tests

Method and apparatus for correcting MWD porosity measurement

Method and apparatus for data transmission in a well bore contai

Method and apparatus for detecting acoustic vibrations in a bore

Method and apparatus for detecting and localizing unwanted...

Method and apparatus for detecting formation hydrocarbons in mud

Method and apparatus for detecting impending sticking of a drill