The common model One of the models of Hydraulic Fracture Permeability is based on Cozeny-Karman permeability @model:
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where
| Flow Zone Indicator |
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| pore surface area | |||||||||||||
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| fracture porosity |
| pore shape factor |
| pore volume | ||||||||||||
|
| pore channel tortuosity |
In case of proppant-filled fracture the Flow Zone Indicator can be approximated as:
LaTeX Math Block | ||||
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{\rm FZI} \approx 0.0037 \cdot \frac{d_p}{\tau_p } |
where
| proppant average grain size | ||||
| fracture pore channel tortuosity |
...