Apparatus for measuring weight, torque and side force on a drill

Apparatus for measuring weight, torque and side force on a drill

Apparatus for mounting a sensing device in a well logging instru

Apparatus for on-site assessment of the effectiveness of a treat

Apparatus for pneumatically monitoring conditions of a well circ

Apparatus for pressure testing a pressure foot

Apparatus for protecting downhole instruments from torsional and

Apparatus for providing directional permeability measurements in

Apparatus for restraining electronic assemblies

Apparatus for sampling and logging on all producing zones of...

Apparatus for sampling drill hole cuttings

Apparatus for sensor installations in wells

Apparatus for testing an oil well, and corresponding method

Apparatus for testing earth formations

Apparatus for testing earth formations

Apparatus for testing earth formations

Apparatus for testing oil wells

Apparatus for the determination of the quantity of oil

Apparatus for the testing of downhole injection assemblies

Apparatus for wear detection