Model Parameters:
Restrictions:
Source data corrections:
Restrictions:
Goal function:
δ[A] = [2 ‧ (A-A*)/(A+A*) ] 2
A(t) – model prediction
A*(t) – historical value (if any)
Weights:
Default settings: wO = 0.5 , wW = 0.1, wG = 0.1 , wP = 0.2 , wf = 0.1
qO↑ = qO1↑ ‧ N↑ | qO1↑= JO ‧ ( P - Pwf )
qW↑ = qW1↑ ‧ N↑ | qW1↑ = JW(t) ‧ ( P - Pwf )
qG↑ = JG ‧ N↑ | qG1↑= JG ‧ ( P - Pwf )
P = Pi + ( yW ‧ Bw ‧ ΣQW↓ + Bo ‧ ΣQO↑ + xW ‧ Bw ‧ ΣQW↑ + xG ‧ Bg ‧ ΣQG↑ )‧ Pi ‧ xP /VO
s = ΣQO↑ / VO
k*ro(s) = k*ro ‧ (1 - s)no
k*rw(s) = k*rw ‧ snw
JO = k*ro(s) ‧ xJ
JW = JW0 + k*rw(s) ‧ xJ
JG = Rs ‧ JO
Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis / Capacitance Resistance Model (CRM) / Capacitance-Resistivity Model (CRM) @model
[ Slightly compressible Material Balance Pressure @model ]