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LaTeX Math Block
anchorMatBal
alignmentleft
\phi_e (p_i) \, c_t(p_i) \, p_i - \phi_e(p) \, c_t(p) \, p(t)  =  (A_e \cdot h_e)^{-1} \left[ q_t - B_w q_{WI} - B_g q_{GI} \right]

where

LaTeX Math Inline
bodyp(t)

formation pressure at time moment t

LaTeX Math Inline
bodyp_i = p(0)

initial formation pressure

LaTeX Math Inline
body\phi_e

effective porosity

LaTeX Math Inline
bodyA_e

drainage area

LaTeX Math Inline
bodyh_e

effective formation thickness

LaTeX Math Inline
bodyq_t

total sandface flowrate

LaTeX Math Inline
bodyq_t = B_w \, q_W + (B_o - R_s \, B_g) \, q_O + (B_g - R_v \, B_o) \, q_G



See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling / Production Analysis

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