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1. 华北科技学院应急技术与管理学院
2. 华北科技学院矿山安全学院
3. 页岩气勘探开发国家地方联合工程研究中心(重庆地质矿产研究院)
4. 重庆科技大学石油与天然气工程学院
Published:2024
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[1]郑贵强,范梦雅,郭东鑫,等.大宁-吉县区深部煤层气甜点特征及有利区评价[J].新疆大学学报(自然科学版)(中英文),2024,41(03):336-343.
[1]郑贵强,范梦雅,郭东鑫,等.大宁-吉县区深部煤层气甜点特征及有利区评价[J].新疆大学学报(自然科学版)(中英文),2024,41(03):336-343. DOI: 10.13568/j.cnki.651094.651316.2024.01.15.0002.
DOI:10.13568/j.cnki.651094.651316.2024.01.15.0002.
鄂尔多斯盆地东缘大宁-吉县地区,具备丰富的深部煤层气资源,是中国煤层气勘探开发老区,勘察面积高达5 784.175 km2.通过对大宁-吉县地区深埋在1 700~2 400 m范围内本溪组8#煤矿进行研究分析,总结出深部煤层甜点的储层性好、含气量高等特点,描述了煤层厚度、构造和水动力对煤层气富集的影响,并将丰度、含气量和煤层可压性综合指数等作为评价依据,对深部煤层地质工程的有利区进行评价,最终将地质工程甜点有利区划分为三类.
Daning-Jixian area
in east margin of Ordos Basin
is rich in deep coalbed methane resources
which is an old coalbed methane exploration and development area of 5 784.175 km2 in China. This article conducts research and analysis on the No.8 coal mine of Benxi formation in the Daning-Jixian area
which is deeply buried within the range of 1 700~2 400 m. It summarizes the characteristics of good reservoir properties and high gas content of deep coal seam sweet spots
describes the influence of coal seam thickness
structure
and hydrodynamics on coalbed methane enrichment
and evaluates the favorable areas for deep coal seam geological engineering based on the comprehensive index of abundance
gas content
and coal seam compressibility. Finally
the favorable areas for geological engineering sweet spots were divided into three categories.
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