Research Article

Prediction Model of Rate Decline for Acid-Fracturing Vertical Wells in Pore-Cavity-Fracture Carbonate Reservoirs

Figure 13

New rate decline curves of an AFVW in a pore-cavity-fracture carbonate reservoir under different elastic storability ratios.
(a) Elastic storability ratio of natural fracture system
(b) Elastic storability ratio of matrix system
(c) Elastic storability ratio of cavity system