Petroleum & Drilling

Intermediate

Recovery Factor

Percentage of oil in place that can actually be produced.

Formula

RF = \frac{N_p}{OOIP} \times 100

Live Calculator

Members

Variables

RFRecovery factor (%)

N_pRecoverable oil

OOIPOil in place

Example

N_p=10 MM, OOIP=30 MM: RF = 33%

Did You Know?

Primary recovery often leaves two-thirds of the oil underground, which is why enhanced recovery matters.

petroleum recovery reservoir

Share this formula

More in Petroleum & Drilling

Hydrostatic Pressure (Field)

Bottom-hole pressure from mud weight and depth in oilfield units.

API Gravity

Standard measure of how light or heavy a crude oil is relative to water.

Buoyancy Factor

Reduction in a steel pipe string's weight when submerged in drilling mud.

Equivalent Circulating Density

Effective mud density while circulating, including friction pressure.

Annular Velocity

Speed of mud returning up the annulus, key to carrying cuttings out.

Triplex Pump Output

Mud volume per minute from a triplex pump's bore, stroke and speed.