Diagnostics Functions
12 functions
PO.DCA.AKB.D
Calculates instantaneous decline rate D(t) for Ansah-Knowles-Buba (2000) decline, [1/T].
PO.DCA.Arps.D
Calculates instantaneous decline rate D(t) for Arps decline, [1/T].
PO.DCA.Diag.Beta
Computes the beta diagnostic β = t×D(t) for flow regime identification.
PO.DCA.Diag.Bourdet
Calculates the Bourdet (smoothed) derivative at point t.
PO.DCA.Diag.bParam
Computes the time-varying Arps b-parameter.
PO.DCA.Duong.D
Calculates instantaneous decline rate D(t) for Duong model, [1/T].
PO.DCA.EEDM.D
Calculates instantaneous decline rate D(t) for Extended Exponential Decline Model (EEDM), [1/T].
PO.DCA.LGM.D
Calculates instantaneous decline rate D(t) for Logistic Growth Model (LGM), [1/T].
PO.DCA.ModHyp.D
Calculates instantaneous decline rate D(t) for Modified Hyperbolic decline, [1/T].
PO.DCA.PLE.D
Calculates instantaneous decline rate D(t) for Power Law Exponential (PLE) model, [1/T].
PO.DCA.SEDM.D
Calculates instantaneous decline rate D(t) for Stretched Exponential model, [1/T].
PO.DCA.THM.D
Calculates instantaneous decline rate D(t) for Transient Hyperbolic Model, [1/T].