JD

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Brief

JD - dimensionless productivity index, inverse of dimensionless pressure (based on average pressure) [1].

Math & Physics

Oil

{J_D} = \frac{141.2 B \mu}{kh} \frac{q}{\Delta P}

Gas

J_D=\frac{1422 \times 10^3\ T_R}{kh} \frac{q_g}{P_{\bar{P}}-P_{P_{wf}}}

References

  1. ↑ Rueda, J.I.; Mach, J.; Wolcott, D. (2004). "Pushing Fracturing Limits to Maximize Producibility in Turbidite Formations in Russia"Free registration required (SPE-91760-MS). Society of Petroleum Engineers. 
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