Numerical simulation study on gas miscibility of anoil field located in Afghanistan

Mohammad Reza Ghulami, Kyuro Sasaki, Yuichi Sugai, Ronald Nguele

研究成果: Contribution to conferencePaper査読

抄録

In this study, a reservoir modeling approach was used to evaluate the miscibility conditionsfor an Afghan oil reservoir. A model of slim-tube apparatus was built for compositional simulation in CMG-GEM. Minimum miscibility pressure/enrichment(MMP/MME) ofcrude oil-gas (carbon dioxide, methane and nitrogen) systemswere determined by slim-tube simulation. To study the reservoir performance undereach injection gasprocess, we built a quarter of five spot pattern model. The model was assumed to represent a homogeneous section of the reservoir. Simulation resultsof slim-tube testsuggest that, to be miscible with reservoir oil, carbon dioxide requires less addition of enriched gas comparing to nitrogen ormethane. But,the reservoirsection modelshowed thata miscible nitrogeninjectionis better, with higher oil recovery factor than that of miscible carbon dioxide ormethane.

本文言語英語
出版ステータス出版済み - 1 1 2015
イベント21st Formation Evaluation Symposium of Japan 2015 - Chiba, 日本
継続期間: 10 13 201510 14 2015

その他

その他21st Formation Evaluation Symposium of Japan 2015
Country日本
CityChiba
Period10/13/1510/14/15

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Economic Geology
  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology
  • Geology

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