Understanding the Parameters
The Fracture Width Calculator (PKN Model) helps estimate the maximum width of a hydraulic fracture based on fluid and rock properties. It considers parameters like pumping rate, fluid viscosity, Poisson’s ratio, fracture half-length, and shear modulus to determine fracture width. This tool is essential for optimizing hydraulic fracturing operations in oil and gas reservoirs.
- Pumping Rate (Q): The volume of fracturing fluid being pumped per unit time. A higher pumping rate generally results in larger fractures.
- Fluid Viscosity (μ): The resistance of the fracturing fluid to flow. A more viscous fluid can carry proppants better and influence fracture propagation.
- Poisson’s Ratio (ν): A material property describing how a rock deforms when compressed. It affects how fractures grow and widen under pressure.
- Fracture Half-Length (x_f): The distance from the fracture’s center to its tip. It determines how far the fracture extends underground.
- Shear Modulus (G): A measure of the rock’s stiffness. A higher shear modulus means the rock resists deformation, leading to narrower fractures.
This calculator estimates the **maximum width of a hydraulic fracture** based on these input parameters.
Enter the values above and click **Calculate Width** to obtain the result.