Fatigue gauge for drill pipe string
Finding and evaluating rock specimens having classes of fluid in
Flexible mud excluder for borehole televiewer
Flow basket
Flow restricting logging tool and method
Flowmeter for use in a hydrocarbon well
Fluid holdup tool for deviated wells
Fluid injector for tracer element well borehole injection
Fluid interface measuring device for use in earth boreholes
Fluid pressure measuring apparatus for incorporation into a pipe
Fluid producing formation tester
Flushing apparatus for a drilling mud testing system
Folding ultrasonic borehole imaging tool
Formation evaluation tool
Formation fluid testing and sampling apparatus
Formation flush pump system for use in a wireline formation test
Formation tester
Formation testers
Formation testing apparatus and method
Formation testing tool and method of obtaining post-test drawdow