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Produced flowrate of live oil across the well-reservoir contact with the volumes measured at the sandface temperature and pressure conditions.


For volatile oil For MBO fluid model the  the oil sandface flowrate 

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bodyq_o
is related to surface flowrates of crude oil 
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bodyq_O
 and natural gas
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bodyq_G
 as (see derivation as below (see Derivation):

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q_o = \frac{B_o \cdot (q_O - R_v \, q_G)}{1- R_v \, R_s}

where

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bodyB_o

oil formation volume factor between separator and sandface pressure/temperature conditions

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bodyR_v

Vaporized oil ratio at sandface pressure/temperature conditions

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