PO.DCA.AKB.D

Calculates instantaneous decline rate D(t) for Ansah-Knowles-Buba (2000) decline, [1/T]. Computed numerically.

PO.DCA.Arps.D

Calculates instantaneous decline rate D(t) for Arps decline, [1/T]. D(t) = Di/(1+b×Di×t). Computed numerically.

PO.DCA.Duong.D

Calculates instantaneous decline rate D(t) for Duong model, [1/T]. Computed numerically.

PO.DCA.EEDM.D

Calculates instantaneous decline rate D(t) for Extended Exponential Decline Model (EEDM), [1/T]. Computed analytically.

PO.DCA.LGM.D

Calculates instantaneous decline rate D(t) for Logistic Growth Model (LGM), [1/T]. Computed analytically.

PO.DCA.ModHyp.D

Calculates instantaneous decline rate D(t) for Modified Hyperbolic decline, [1/T]. Computed numerically.

PO.DCA.PLE.D

Calculates instantaneous decline rate D(t) for Power Law Exponential (PLE) model, [1/T]. D(t) = D∞ + n×Di0×t^(n-1). Computed numerically.

PO.DCA.SEDM.D

Calculates instantaneous decline rate D(t) for Stretched Exponential model, [1/T]. D(t) = (n/τ)×(t/τ)^(n-1). Computed numerically.

PO.DCA.THM.D

Calculates instantaneous decline rate D(t) for Transient Hyperbolic Model, [1/T]. Computed analytically.

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