Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example
The Carboniferous–Permian strata in the Daning–Jixian Block, located on the eastern edge of the Ordos Basin, host multiple sets of tight gas reservoirs. However, systematic research on the characteristics and gas production differences of multilayer tight sandstone gas-bearing systems remains limite...
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2025-05-01
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| author | Ming Chen Bo Wang Haonian Tian Junyi Sun Lei Liu Xing Liang Benliang Chen Baoshi Yu Zhuo Zhang |
| author_facet | Ming Chen Bo Wang Haonian Tian Junyi Sun Lei Liu Xing Liang Benliang Chen Baoshi Yu Zhuo Zhang |
| author_sort | Ming Chen |
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| description | The Carboniferous–Permian strata in the Daning–Jixian Block, located on the eastern edge of the Ordos Basin, host multiple sets of tight gas reservoirs. However, systematic research on the characteristics and gas production differences of multilayer tight sandstone gas-bearing systems remains limited. Based on geochemical signatures, reservoir pressure coefficients, and sequence stratigraphy, the tight sandstone gas systems are subdivided into upper and lower systems, separated by regionally extensive Taiyuan Formation limestone. The upper system is further partitioned into four subsystems. Depositional variability from the Benxi Formation to the He 8 Member has generated diverse litho-mineralogical characteristics. The Shan 1 and He 8 Members, deposited in low-energy delta-front subaqueous distributary channels with gentle topography, exhibit lower quartz content (predominantly feldspar lithic sandstone and lithic quartz sand-stone) and elevated lithic fragments, matrix, and clay minerals (particularly chlorite). These factors increase displacement and median pressures, resulting in inferior reservoir quality. By comparing and evaluating the gas production effects under different extraction methods, targeted optimization recommendations are provided to offer both theoretical support and practical guidance for the efficient development of this block. |
| format | Article |
| id | doaj-art-e80b89ecd7eb4fd68067d938c12a68b6 |
| institution | OA Journals |
| issn | 1996-1073 |
| language | English |
| publishDate | 2025-05-01 |
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| series | Energies |
| spelling | doaj-art-e80b89ecd7eb4fd68067d938c12a68b62025-08-20T02:30:46ZengMDPI AGEnergies1996-10732025-05-01189239810.3390/en18092398Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an ExampleMing Chen0Bo Wang1Haonian Tian2Junyi Sun3Lei Liu4Xing Liang5Benliang Chen6Baoshi Yu7Zhuo Zhang8College of Petroleum Engineering, China University of Petroleum, Beijing 102249, ChinaInformation Institute of the Ministry of Emergency Management of PRC, Beijing 100029, ChinaPetroChina Coalbed Methane Company Limited Linfen Branch, Linfen 042202, ChinaPetroChina Coalbed Methane Company Limited Linfen Branch, Linfen 042202, ChinaKey Laboratory of Coalbed Methane Resources and Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221008, ChinaPetroChina Zhejiang Oilfield Company, Hangzhou 311100, ChinaHuainan Mining (Group) Co., Ltd., Huainan 232001, ChinaPetroChina Zhejiang Oilfield Company, Hangzhou 311100, ChinaPetroChina Zhejiang Oilfield Company, Hangzhou 311100, ChinaThe Carboniferous–Permian strata in the Daning–Jixian Block, located on the eastern edge of the Ordos Basin, host multiple sets of tight gas reservoirs. However, systematic research on the characteristics and gas production differences of multilayer tight sandstone gas-bearing systems remains limited. Based on geochemical signatures, reservoir pressure coefficients, and sequence stratigraphy, the tight sandstone gas systems are subdivided into upper and lower systems, separated by regionally extensive Taiyuan Formation limestone. The upper system is further partitioned into four subsystems. Depositional variability from the Benxi Formation to the He 8 Member has generated diverse litho-mineralogical characteristics. The Shan 1 and He 8 Members, deposited in low-energy delta-front subaqueous distributary channels with gentle topography, exhibit lower quartz content (predominantly feldspar lithic sandstone and lithic quartz sand-stone) and elevated lithic fragments, matrix, and clay minerals (particularly chlorite). These factors increase displacement and median pressures, resulting in inferior reservoir quality. By comparing and evaluating the gas production effects under different extraction methods, targeted optimization recommendations are provided to offer both theoretical support and practical guidance for the efficient development of this block.https://www.mdpi.com/1996-1073/18/9/2398Daning–Jixian blocktight sandstone gasmultilayer gas-bearing systemgas production |
| spellingShingle | Ming Chen Bo Wang Haonian Tian Junyi Sun Lei Liu Xing Liang Benliang Chen Baoshi Yu Zhuo Zhang Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example Energies Daning–Jixian block tight sandstone gas multilayer gas-bearing system gas production |
| title | Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example |
| title_full | Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example |
| title_fullStr | Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example |
| title_full_unstemmed | Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example |
| title_short | Multilayer Gas-Bearing System and Productivity Characteristics in Carboniferous–Permian Tight Sandstones: Taking the Daning–Jixian Block, Eastern Ordos Basin, as an Example |
| title_sort | multilayer gas bearing system and productivity characteristics in carboniferous permian tight sandstones taking the daning jixian block eastern ordos basin as an example |
| topic | Daning–Jixian block tight sandstone gas multilayer gas-bearing system gas production |
| url | https://www.mdpi.com/1996-1073/18/9/2398 |
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