Fluid Loss & Leakoff Functions
Carter leakoff coefficients, volume loss and fluid efficiency.
7 functions
PO.FRAC.Leakoff.Velocity(C, t)
Carter leakoff velocity at given time, [ft/min].
PO.FRAC.Leakoff.Cumulative(C, Sp, t)
Cumulative fluid volume lost per unit area, [ft].
PO.FRAC.Leakoff.Vol(C, Sp, A, t)
Total leakoff volume from fracture, [bbl].
PO.FRAC.Leakoff.Cv(K, porosity, ct, dP, Ufrac)
Viscosity-controlled leakoff coefficient (Cv), [ft/sqrt(min)].
PO.FRAC.Leakoff.Cc(K, porosity, ct, dP, Ures)
Compressibility-controlled leakoff coefficient (Cc), [ft/sqrt(min)].
PO.FRAC.Leakoff.CL(Cv, Cc, Cw)
Total leakoff coefficient from components (series combination), [ft/sqrt(min)].
PO.FRAC.Leakoff.Eff(Vfrac, Vtotal)
Fracturing fluid efficiency, [fraction].