DCA: 2021 #22

True statements about decline curve analysis (DCA) include (select any that apply):
__ DCA is the most widely used method of forecasting future production from gas fields.
__ DCA is the most widely used method of forecasting future production from oil fields.
__ All real wells have hyperbolic decline.
__ DCA has few fundamental theoretical foundations.
__ Harmonic decline is a particular case of hyperbolic decline.
__ Exponential decline is a particular case of hyperbolic decline.
__ Hyperbolic decline is a particular case of exponential decline.
__ Hyperbolic decline is a particular case of harmonic decline.
__ Harmonic decline is a particular case of exponential decline.

Of course the provided Reference Guide will offer no assistance on word problems; you must know the material from prior experience or study. Feel free to ask questions in the comment box below.

 X DCA is the most widely used method of forecasting future production from gas fields (TS8 P170).
 X DCA is the most widely used method of forecasting future production from oil fields (TS8 P170).
 X All real wells have hyperbolic decline (TS8 P172).
 X DCA has few fundamental theoretical foundations (TS8 P172).
 X Harmonic decline is a particular case of hyperbolic decline (TS8 P172).
 X Exponential decline is a particular case of hyperbolic decline (TS8 P172).
__ Hyperbolic decline is not a particular case of exponential decline (TS8 P172).
__ Hyperbolic decline is not a particular case of harmonic decline (TS8 P172).
__ Harmonic decline is not a particular case of exponential decline. (TS8 P172).