Fracture Fluid Coefficient - Reservoir-Controlled Liquids Calculator
Enter the declared production engineering inputs below to solve C_r. Variable definitions, units, the default calculation, and the available source trail are included on this page.
What is available in this record
This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.
Formula, variables, and default calculation
Reproducible default result
With the default values shown below, the calculation returns C_r = 0.007071 dimensionless. Defaults demonstrate the implementation; they are not recommended field values.
0.001
1000
0.5
0.00001
20
2
Input definitions
c_conv
dimensionlessConversion Coefficient
DeltaP
psiPressure Difference at the Fracture Face
k
DarcyEffective Permeability
c_f
psi^-1Isothermal Compressibility of Reservoir Fluid
phi_pct
%Effective Porosity
mu
cPViscosity of Reservoir Fluid
Output definitions
C_r
Reservoir-Controlled Fracture Fluid Coefficient
c_conv
Conversion Coefficient
DeltaP
Pressure Difference at the Fracture Face
mu
Viscosity of Reservoir Fluid
Source and record status
Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.
Saydam, T. 1967. Principles of Hydraulic Fracturing. ARI Publishing Co., Page 20.
Open source reference