Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin

Besides providing resulting data, the evaluation of resource abundance is more important to provide evidence for the optimization of favorable areas and the deployment of exploration. In view of the drawbacks of traditional methods, combined with the newly developed thermal-pressure simulation metho...

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Main Authors: Zhenxiang SONG, Baohua WANG, Xiangfeng WEI, Zhongliang MA
Format: Article
Language:zho
Published: Editorial Office of Petroleum Geology and Experiment 2022-05-01
Series:Shiyou shiyan dizhi
Subjects:
Online Access:https://www.sysydz.net/cn/article/doi/10.11781/sysydz202203535
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author Zhenxiang SONG
Baohua WANG
Xiangfeng WEI
Zhongliang MA
author_facet Zhenxiang SONG
Baohua WANG
Xiangfeng WEI
Zhongliang MA
author_sort Zhenxiang SONG
collection DOAJ
description Besides providing resulting data, the evaluation of resource abundance is more important to provide evidence for the optimization of favorable areas and the deployment of exploration. In view of the drawbacks of traditional methods, combined with the newly developed thermal-pressure simulation method of formation porosity and basin simulation method, this paper puts forward the process of shale gas resource evaluation using the "retention coefficiency" method. It is pointed out that the model of hydrocarbon generation-expulsion-retention and the "retention coefficiency"are the two most critical parameters in this new method. The Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, which are the most highly explored shale in China, are taken as targets to illustrate the application process of the new method. Results show that the new method has good applicability and feasibility in shale gas resource evaluation. Compared with traditional methods, the "retention coefficiency" method not only considers the dynamic evolution process of shale gas, but also considers the influence of late preservation conditions on shale gas enrichment. In addition, the new method can describe the spatial distribution characteristics of shale gas resources, with a broad application prospect in shale gas resource evaluation and favorable area optimization.
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spelling doaj.art-269e098e8f7c45aaa8d725fadd8654f02024-03-05T04:31:16ZzhoEditorial Office of Petroleum Geology and ExperimentShiyou shiyan dizhi1001-61122022-05-0144353554410.11781/sysydz202203535sysydz-44-3-535Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan BasinZhenxiang SONG0Baohua WANG1Xiangfeng WEI2Zhongliang MA3Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, ChinaWuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, ChinaSINOPEC Exploration Company, Chengdu, Sichuan 610041, ChinaWuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, ChinaBesides providing resulting data, the evaluation of resource abundance is more important to provide evidence for the optimization of favorable areas and the deployment of exploration. In view of the drawbacks of traditional methods, combined with the newly developed thermal-pressure simulation method of formation porosity and basin simulation method, this paper puts forward the process of shale gas resource evaluation using the "retention coefficiency" method. It is pointed out that the model of hydrocarbon generation-expulsion-retention and the "retention coefficiency"are the two most critical parameters in this new method. The Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, which are the most highly explored shale in China, are taken as targets to illustrate the application process of the new method. Results show that the new method has good applicability and feasibility in shale gas resource evaluation. Compared with traditional methods, the "retention coefficiency" method not only considers the dynamic evolution process of shale gas, but also considers the influence of late preservation conditions on shale gas enrichment. In addition, the new method can describe the spatial distribution characteristics of shale gas resources, with a broad application prospect in shale gas resource evaluation and favorable area optimization.https://www.sysydz.net/cn/article/doi/10.11781/sysydz202203535retention coefficientbasin simulationresource assessmentapplication prospectshale gassoutheastern sichuan basin
spellingShingle Zhenxiang SONG
Baohua WANG
Xiangfeng WEI
Zhongliang MA
Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
Shiyou shiyan dizhi
retention coefficient
basin simulation
resource assessment
application prospect
shale gas
southeastern sichuan basin
title Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
title_full Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
title_fullStr Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
title_full_unstemmed Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
title_short Application of "retention coefficiency" method in shale gas resource evaluation: a case study of Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation, southeastern Sichuan Basin
title_sort application of retention coefficiency method in shale gas resource evaluation a case study of upper ordovician wufeng formation to lower silurian longmaxi formation southeastern sichuan basin
topic retention coefficient
basin simulation
resource assessment
application prospect
shale gas
southeastern sichuan basin
url https://www.sysydz.net/cn/article/doi/10.11781/sysydz202203535
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