Production EngineeringHydraulic Fracturing
Fracture Coefficient of Hydraulically Fractured Reservoir Formula
Fracture Coefficient of Hydraulically Fractured Reservoir calculates fracture coefficient for hydraulic fracturing workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (m, A_f) are known and the assumptions behind the cited hydraulic fracturing relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, C_f equals 0.000656 ft/min.
mft^3/min
800
A_fft^2
20000
Inputs
m
ft^3/minSlope of the Production Decline Curve
A_f
ft^2Fractured Surface Area
Outputs
C_f
ft/min
Fracture Coefficient
m
ft^3/min
Slope of the Production Decline Curve
A_f
ft^2
Fractured Surface Area
Source and review
reviewedSaydam, T. 1967. Principles of Hydraulic Fracturing. ARI Publishing Co., Page 99.
Source