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LaTeX Math Block
anchorB
alignmentleft
B = \frac{\theta}{\pi} \cdot A_e \cdot h \cdot \phi \cdot c_t

where

LaTeX Math Inline
body\theta

central angle of net pay area ↔ aquifer contact

LaTeX Math Inline
bodyA_e = \pi \, r_e^2

net pay area

LaTeX Math Inline
bodyh

aquifereffective thickness

LaTeX Math Inline
body\phi

aquiferporosity

LaTeX Math Inline
bodyc_t=c_r +c_w

aquifer total compressibility

LaTeX Math Inline
bodyc_r

aquifer pore compressibility 

LaTeX Math Inline
bodyc_w

aquifer water compressibility



In Oil Field unit system:

LaTeX Math Block
anchor4WV50
alignmentleft
B = 1.119 \cdot A_e \cdot h \cdot \phi \cdot c_t

where

LaTeX Math Inline
bodyB

LaTeX Math Inline
bodyA_e

LaTeX Math Inline
bodyh

LaTeX Math Inline
bodyc_t

bdp/psift2ftpsi-1

See Also

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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling 

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