Zone of well production (bottom hole flowing pressure is below reservoir pressure) which is subdivided by the predicted safe drawdown line into: Zone of sand-free production (green zone) and.
In general, the production wells are controlled as a function of the maximum gas production rate per day and a minimum producing bottom-hole pressure for each well.
Injection rate and injection time of methane and propane, soaking time and minimum well bottom-hole pressure in the methane propane ECSP scheme were optimized to predict the field production performance of ECSP.
Two operating constraints were considered: (1) a maximum water cut of 40%% and (2) a minimum allowed bottom-hole pressure (BHP) of 3,500 psia.
The production well, which was hydraulically fractured, was subjected to the minimum bottom-hole pressure of 1500 psi.
For history matching runs, production history of the each well in the field (gas production rate, bottom-hole flowing pressures and some static reservoir pressure points).
(c) For history matching runs, production history of the each well in the field (gas production rate, bottom-hole flowing pressures and some static reservoir pressure points).
Sensitivity analysis of the key factors such as primary production duration, bottom-hole pressures, and fracture conductivity is conducted and their effects on the well production performance are analyzed.
The input data needed are initial pressure, few static pressure measurements and some production and bottom-hole flowing pressure history.
Then the cumulative volume of injected water, oil production, water production, gas production, and flowing bottom-hole pressure should all be matched during history matched using the matching parameters such as SRV size and SRV permeability.
