Process for measuring flow and determining the parameters of mul
Process for measuring the formation water pressure within an oil
Process for predicting porosity and permeability of a coal bed
Process for rapidly determining the solids content in drilling f
Process for the chemical logging of a liquid and chemical loggin
Process for the continuous determination of the interaction...
Process for verifying the effectiveness of drilling fluids...
Production profile determination and modification system
Production profile determination and modification system
Pulsed ultrasonic doppler borehole fluid measuring apparatus
Pump differential pressure monitor system
Pump-off monitor for rod pump wells
Push drill guidance indication apparatus
Push-off pistons
Pyrolytic oil-productivity index method for characterizing reser
Quantitative clay typing and lithological evaluation of subsurfa
Quantitative determination by elemental logging of subsurface fo
Quantitative determination by elemental logging of subsurface fo
Rate of penetration recorder
Rate of penetration sensor for oil drilling rigs