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- W1999463596 abstract "ABSTRACT This paper presents a technique of economic evaluation of enhanced oil recovery projects for steam injection and in-situ combustion. In 1980, Williams and Ramey1 presented a model for the economic evaluation of steamfloods and in-situ combustion projects. Our study revises and updates then-work. The oil recovery schedules for steam injection were generated using a modified Marx and Langenheim2 model and the recovery for in-situ combustion was computed using the Gates and Ramey3 technique. These models allow the determination of oil recovery versus fluid injected for a given reservoir or pilot providing that the main reservoir parameters such as porosity, thickness and saturations are known. Some of the parameters needed for economic evaluation are not well known, and other parameters such as the recent price of oil may vary rapidly. A classic economic analysis is bound to be uncertain at best. In order to partially alleviate this problem our economic evaluation method includes a spreadsheet approach and a Monte Carlo simulation. A discounted net present value was obtained for each of the processes at different injection rates, and pattern sizes. The results are presented as a probability for a given net present value instead of a single value. An example using published data from the Belridge field is shown. For this field both in-situ combustion and steam injection were found to be economically competitive. The above mentioned technique can easily be modified for application to other fields or even other enhanced oil recovery processes. The models and economic calculations can easily be run on a microcomputer (IBM PC in our case)." @default.
- W1999463596 created "2016-06-24" @default.
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- W1999463596 date "1987-09-27" @default.
- W1999463596 modified "2023-09-24" @default.
- W1999463596 title "Economic Evaluation of Thermal Recovery Projects" @default.
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- W1999463596 doi "https://doi.org/10.2118/16852-ms" @default.
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