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Net pressure 

LaTeX Math Inline
body--uriencoded--p_%7B\rm net%7D
 is the excess pressure over the frac pressure 
LaTeX Math Inline
bodyPp_c
required to open the fractures:

LaTeX Math Block
anchorXf
alignmentleft
p_{\rm net} = p_{\rm BHP} - p_c

where

LaTeX Math Inline
body--uriencoded--p_%7B\rm BHP%7D

botom-hole pressure during the frac
treatment
treatment 

LaTeX Math Inline
bodyp_c

the closure pressure which is approximately minimum horizontal stress


It The physical meaning of the Net pressure is that it is the energy required for propagating fractures fracture and creating its width during the frac job and refers to the.


See Also

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Petroleum Industry / Upstream / Well / Well-Reservoir Contact (WRC)  / Hydraulic Fracture

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