Difference between revisions of "STOIIP"

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[[STOIIP]] stands for stock tank oil initially in place. Equals to the volume of the reservoir oil at the surface conditions.  
 
[[STOIIP]] stands for stock tank oil initially in place. Equals to the volume of the reservoir oil at the surface conditions.  
  
===Equation===
+
==Equation==
:<math> STOIIP = \frac{HCVP}{B_o} = \frac{A * h * \phi * S_o}{B_o}</math>
+
:<math> STOIIP = \frac{HCPV}{B_o} = \frac{A * h * \phi * S_o}{B_o}</math>
  
 
where
 
where
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:<math> \phi </math> = Porosity, fraction
 
:<math> \phi </math> = Porosity, fraction
 
:<math> S_o </math> = Oil saturation, fraction
 
:<math> S_o </math> = Oil saturation, fraction
 +
:<math> STOIIP </math> = Stock tank oil initially in place, m3
  
 
==See Also==
 
==See Also==

Latest revision as of 17:34, 2 April 2022

STOIIP

STOIIP stands for stock tank oil initially in place. Equals to the volume of the reservoir oil at the surface conditions.

Equation

 STOIIP = \frac{HCPV}{B_o} = \frac{A * h * \phi * S_o}{B_o}

where

 A = Area, m2
 B_o = Oil formation volume factor, m2
 h = Net pay, oil saturated thickness, m
 HCPV = Hydrocarbon pore volume, m3
 \phi = Porosity, fraction
 S_o = Oil saturation, fraction
 STOIIP = Stock tank oil initially in place, m3

See Also