GSTDTAP  > 地球科学
DOI10.1306/12191817069
Remigration and leakage from continuous shale reservoirs: Insights from the Sichuan Basin and its periphery, China
Ou, Chenghua1; Li, Chaochun2; Huang, Siyuan3; Sheng, James J.3,4
2019-08-01
发表期刊AAPG BULLETIN
ISSN0149-1423
EISSN1558-9153
出版年2019
卷号103期号:8页码:2009-2030
文章类型Article
语种英语
国家Peoples R China; USA
英文摘要

Shale gas in the Sichuan Basin and its periphery potentially plays an important role in the world shale gas industry. An understanding of remigration and leakage from continuous shale reservoirs is very important for shale gas exploration, especially in the Sichuan Basin and its periphery. The shale gas accumulation models that relate to remigration and leakage were developed within the Wufeng and Longmaxi black shales in the Jiaoshiba and the Youyang blocks. First, a tectono-sedimentary history of the Wufeng and Longmaxi black shales in the Sichuan Basin and its periphery was developed based on the published literature. The history exhibits a continuous distribution of high-quality Wufeng and Longmaxi black shale, which is the foundation of the shale gas formation. Second, the shale gas remigration- accumulation model in the anticlines was clarified by using data collected from the shale gas fields in Jiaoshiba block. The shale gas model for the Jiaoshiba block was developed on the basis of a continuous shale reservoir distribution, differentiated structural deformation, and a gas self-sealed system. Third, the shale gas fault failure leakage model in the fault blocks and the erosion model in the residual areas were revealed based on the shale reservoir and shale gas content heterogeneity in the Youyang block. These two models were validated by available data including 13 two-dimensional seismic lines and 2 shale gas exploration vertical wells in the Youyang block. Shale gas areas with high gas resource and gas production rates in the anticlines were defined by the remigration-accumulation model. The fault failure leakage model was used to find shale gas with limited commercial potential, whereas commercial shale gas was largely lacking according to the erosion residual model. The study on remigration and leakage from continuous shale reservoirs in the Sichuan Basin and its periphery can be used to better understand and improve the exploration efforts based on resource preservation.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000481614200009
WOS关键词SILURIAN LONGMAXI SHALE ; FORT-WORTH BASIN ; MISSISSIPPIAN BARNETT SHALE ; THERMAL MATURITY ; WUFENG FORMATION ; GAS-FIELD ; LITHOFACIES ; EXPLORATION ; ACCUMULATION ; FEATURES
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/185376
专题地球科学
作者单位1.Southwest Petr Univ SWPU, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu, Sichuan, Peoples R China;
2.SWPU, State Owned Asset Management Off, Chengdu, Sichuan, Peoples R China;
3.Texas Tech Univ, Bob L Herd Dept Petr Engn, Lubbock, TX 79409 USA;
4.SWPU, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu, Sichuan, Peoples R China
推荐引用方式
GB/T 7714
Ou, Chenghua,Li, Chaochun,Huang, Siyuan,et al. Remigration and leakage from continuous shale reservoirs: Insights from the Sichuan Basin and its periphery, China[J]. AAPG BULLETIN,2019,103(8):2009-2030.
APA Ou, Chenghua,Li, Chaochun,Huang, Siyuan,&Sheng, James J..(2019).Remigration and leakage from continuous shale reservoirs: Insights from the Sichuan Basin and its periphery, China.AAPG BULLETIN,103(8),2009-2030.
MLA Ou, Chenghua,et al."Remigration and leakage from continuous shale reservoirs: Insights from the Sichuan Basin and its periphery, China".AAPG BULLETIN 103.8(2019):2009-2030.
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