Oil Material Balance Functions
24 functions
PO.MBE.Ce.Gas
Calculates effective compressibility for gas reservoir, [1/psi].
PO.MBE.Ce.Geopressured
Calculates effective compressibility for geopressured reservoir with gas solubility, [1/psi].
PO.MBE.Ce.PoreVol
Calculates pore volume compressibility term, [1/psi].
PO.MBE.Ce.Total
Calculates total system compressibility, [1/psi].
PO.MBE.Ce.UnSat.Oil
Calculates effective compressibility for undersaturated oil reservoir, [1/psi].
PO.MBE.Drives.All
Calculates all drive indices.
PO.MBE.Drives.CDI
Calculates Compressibility Drive Index (CDI), [fraction 0-1].
PO.MBE.Drives.DDI
Calculates Depletion Drive Index (DDI), [fraction 0-1].
PO.MBE.Drives.GDI
Calculates Gas Cap Drive Index (GDI), [fraction 0-1].
PO.MBE.Drives.WDI
Calculates Water Drive Index (WDI), [fraction 0-1].
PO.MBE.Exp.Bt
Calculates two-phase formation volume factor (Bt), [RB/STB].
PO.MBE.Exp.Efw
Calculates formation/water expansion term (Efw), [RB/STB].
PO.MBE.Exp.Eg
Calculates gas cap expansion term (Eg) for oil reservoirs, [RB/STB].
PO.MBE.Exp.Eg.Gas
Calculates gas expansion for pure gas reservoirs, [RB/scf].
PO.MBE.Exp.Eo
Calculates oil and dissolved gas expansion term (Eo), [RB/STB].
PO.MBE.Exp.Et
Calculates total expansion term (Et), [RB/STB].
PO.MBE.F.Gas
Calculates underground withdrawal for gas reservoir, [RB].
PO.MBE.F.Oil
Calculates underground withdrawal for oil reservoir, [RB].
PO.MBE.Oil.NandM
Estimates N and m from F/Eo vs Eg/Eo regression.
PO.MBE.Oil.OOIP
Estimates OOIP from F vs Et (no water influx), [STB].
PO.MBE.Oil.OOIP.Reg
Estimates OOIP using regression on F vs Et data, [STB].
PO.MBE.Oil.OOIP.We
Estimates OOIP with water influx, [STB].
PO.MBE.Oil.Residual
Calculates normalized MBE residual for quality check, [fraction].
PO.MBE.Oil.We
Infers water influx from material balance given known OOIP, [RB].