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Oil & Gas industry
Engineering
Reservoir
Stock Tank Oil Initially In Place
Free Gas Initially In Place
Discovered Gas Initially In Place
Linear flow
Radial flow
Skin factor (PRC)
Skin factor (PDC)
Line tilt angle (prc/pdc)
Oil viscosity at standard condition
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Drilling
Stock Tank Oil Initially In Place
Gas Initially In Place
Reservoir permeability
Skin Factor (by CVD)
Production
Mechanics
Construction
Energetics
Diagram
Calculations
Converter
Linear liquid flow based on Darcy equation in barrel per day
Metric units
×
×
×
(
−
)
×
=
LLF
C
Constant, cubic foot / acre-foot
k
Permeability, Darcy
A
Cross-sectional area of the rock, square foot
Pe
External circuit pressure, psi
Pw
Bottomhole pressure, psi
µ
Liquid viscosity, centipoise
L
Distance between wellbore and outer contour, foot
Result