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• M = {  V_O , E_D , y_W , x_W , x_G , y_W ,   x_J , J_W0 , k*_ro(s), k*_rw(s) }  – totally 8 constants  and two arrays 

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• all constants are positive
  
  
• 0 < k*_ro(s) < 1, 0 < k*_rw(s) < 1
  
  
• default values k*_ro(s), k*_rw(s) – reduced  RPM set by the tables or RPM Corey @model

typical number of s-points = 5

Model fitting

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Source data corrections:

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P = P_i +   ( y_W ‧  Bw ‧ ΣQ_W^↓ + Bo ‧ ΣQ_O^↑ + x_W ‧  Bw ‧ ΣQ_W^↑ + x_G ‧  Bg ‧ ΣQ_G^↑  )‧ P_i ‧ x_P /V_O 

s_w = s_{oi wi} + (s_or - s_wi) ‧ E_D ‧  ΣQ_O^↑ / V_O

J_O = krok*_ro(s_w) ‧ x_J

J_W = J_W0 + krwk*_rw(s_w) ‧ x_J

J_G = R_s ‧ J_Okro(d), krw(d) are set by tables or RPM Corey @model.

See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling / Production Analysis / Capacitance Resistance Model (CRM) / Capacitance-Resistivity Model (CRM) @model

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