Exact(2)
Assume that the FPSO services an oil well, modelled on White Rose, with a daily production of 100,000 barrels of light crude (sold on the international market), and a production lifetime of 10 years.
To discuss the shale gas development economics, we assume that a total of 1440 wells are to be drilled in the next 20 years with a drilling rate of six wells/month with a production lifetime of 40 years for each production well.
Similar(57)
The most valuable result is the capacity to predict reservoir production lifetime with a certain level of confidence and to evaluate its economic potential.
A projection of the fitted decline curve from the Valko model for 40 years of production lifetime gives a well EUR of 10.9 BCF/well, which is close to the mean value of 11.9 BCF/well for all the 206 production wells.
The results show that the maximum net present value is achieved when the production lifetime is divided into a suitable number of consecutive operation intervals with different tubing diameter, lift gas injection rates and separator pressures and an optimum value for tubing diameter.
To avoid emissions and to increase oil production, the separated acid gas is injected for enhanced oil recovery, creating a changing scenario due to increasing carbon dioxide content in the reservoir along production lifetime.
The CBR is 1.77 and amortization period may be reached on the 6th year of the production lifetime.
This effect is usually observed halfway through reservoir production lifetime and only depends on the dip of the reservoir.
The production rate drops again at 40 years as the oldest production wells come to the end of their production lifetime.
The 206 production decline curves derived from fitting the Valko model to the historical production data are extended to 40-year production lifetime to represent the production performance of the wells in the Horn River shale. 3.
The 206 production decline curves derived from fitting the Valko model to the historical production data are extended to 40-year production lifetime to represent the production performance of the wells in the Horn River shale.
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