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Optimizing Injection Process of Water-Alternate-Gas Using Different Produced Gas Densities in Enriched-Gas Flooding

  • 19-06-2020
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Abstract

An efficient optimization and design method has been proposed and developed for Enriched-gas Water-Alternating-Gas (EWAG) injection process. The proposed technique is able to quantitatively determine the sizes of the enriched-gas slug and water slug for each cycle of the water-alternating-gas (WAG) injection process, as well as the total number of injection cycles. Applying this method provides the opportunity to implement the WAG scenario more efficient and economical. The numerical simulation showed that in comparison with other conventional WAG scenarios with traditional optimization approach, the EWAG has the obvious advantages of evaluation of indices, such as the oil recovery factor and cumulative net cash flow.

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Title
Optimizing Injection Process of Water-Alternate-Gas Using Different Produced Gas Densities in Enriched-Gas Flooding
Authors
Yong Wang
Zhengwu Tao
Donghong Tian
Xin Ma
Zonghong Feng
Publication date
19-06-2020
Publisher
Springer US
Published in
Chemistry and Technology of Fuels and Oils / Issue 2/2020
Print ISSN: 0009-3092
Electronic ISSN: 1573-8310
DOI
https://doi.org/10.1007/s10553-020-01137-3
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