Dynanometer for a pump-off control
Early gas detection system for a drill stem test
Earth formation pressure measurement with penetrating probe
Earthen core analyzing means and method for determining the meth
Electromagnetic borehole flowmeter system
Electromagnetic borehole flowmeter system
Electronic stator measurement device
Electronic temperature sensor
Enhanced downhole fluid analysis
Equilibrium fracture test and analysis
Exfiltrometer apparatus and method for measuring unsaturated...
Fatigue gauge for drill pipe string
Fiber optic monitoring of flow inside and outside a tube...
Finding and evaluating rock specimens having classes of fluid in
Flexible membrane encapsulated strain measurement instrument...
Flexible mud excluder for borehole televiewer
Flow basket
Flow meter
Flow metering device for landfill gas extraction well
Flow restricting logging tool and method