p d pressure differencepacked columnpackerpalaeocenepalaeozoicpaperparaffinparaffin depositparaffin go devilparaffin hydrocarbonparaffin knifeparaffin scraperparaffin seriesparaffin trouleparaffin waxparaffini base crudeparaflowparaformpartially penetratingparticle shapeparting line of the waterpassive gamma ray methodpassive positioningpay horizonpay linepay zonepeak productionpedometerpendulumpendulum inclinometerpenetrated bedpenetrationpenetrometerpennsylvaninan bitpennsylvaninan drilling systempercussin bitpercussin drillpercussin system of drillingperforated breakwater wallperforated casingperforated pipeperforated wallpergelisolpermanent completion of a wellpermanent well completionpermeabilitypermeability barrierpermeability coefficientpermeability curvepermeability profile log
