Impact of gypsolith on the preservation and exploration prospect of shale gas in Sichuan Basin

被引:0
作者
Zhu, Zhen [1 ]
Yin, Hong-Wei [1 ]
Jia, Dong [1 ]
Chen, Zhu-Xin [2 ]
Wei, Dong-Tao [3 ]
机构
[1] School of Earth Science and Engineering, Nanjing University, Nanjing
[2] PetroChina Research Institute of Petroleum Exploration & Development, Beijing
[3] Northwest Branch of PetroChina Research Institute of Petroleum Exploration and Development, Lanzhou
关键词
Gypsolith; Longmaxi Formation; Shale gas; Sichuan Basin;
D O I
10.11764/j.issn.1672-1926.2015.08.1472
中图分类号
学科分类号
摘要
Based on the analysis of previous researches and drilling data, this paper interpreted the impact of gypsolith on the preservation and exploration prospect of shale gas in Sichuan Basin. Results show that the halite layer of Lower Cambrian and Triassic plays an important controlling role in tectonic deformation, resulting in different structural styles in Sichuan Basin. The formation under gypsolith tends to be overpressure because of the halite layer. Gypsolith in Sichuan Basin is one of the most important factors which controls the shale gas exploration of Longmaxi Formantion. Based on the distribution of salt layers, depth and thickness of shale, and organic geochemical characteristics, we suggest that Zigong-Yibin, Chongqing-Yongchuan, and Fuling are the favorite shale gas exploration regions in Sichuan Basin. ©, 2015, Science Press. All right reserved.
引用
收藏
页码:1472 / 1480
页数:8
相关论文
共 24 条
[1]  
Wang D., Zeng J., Gong X., Impact of gypsolith on the Formation of oil and gas reservoir, Natural Gas Geoscience, 16, 3, pp. 329-333, (2005)
[2]  
Zhao Z., Zhou Y., Ma X., Et al., The impact of saline deposit upon the hydrocarbon accumulation in petroliferous basin, Oil and Gas Geology, 28, 2, pp. 299-308, (2007)
[3]  
Montgomery S.L., Jarvie D.M., Bowker K.A., Et al., Mississippian Barnett Shale, Fort Worth Basin, north-central Texas: Gas shale play with multi-trillion cubic foot potential, AAPG Bulletin, 89, 2, pp. 155-175, (2005)
[4]  
Ross D.J.K., Bustin R.M., Shale gas potential of the Lower Jurassic Gordondale member, northeastern British Columbia, Canada, Bulletin of Canadian Petroleum Geology, 55, 1, pp. 51-75, (2007)
[5]  
Lash G.G., Engelder T., Thickness trends and sequence stratigraphy of the middle devonian marcellus formation, Appalachian Basin: Implications for acadian foreland basin evolution, AAPG Bulletin, 95, 1, pp. 61-103, (2011)
[6]  
Strapoc D., Mastalerz M., Schimmelmann A., Et al., Geochemical constraints on the origin and volume of gas in the New Albany Shale (Devonian-Mississippian), eastern Illinois Basin, AAPG Bulletin, 94, 11, pp. 1713-1740, (2010)
[7]  
Zhu Y., Chen S., Fang J., Et al., The geologic background of the Siluric shale gas reservoiring in Szechwan, China, Journal of China Coal Society, 35, 7, pp. 1160-1164, (2010)
[8]  
Zhang T., Yin H., Jia D., Et al., Structural deformation characteristics and shale gas preservation of Lower Yangtze region, Journal of China Coal Society, 38, 5, pp. 883-889, (2013)
[9]  
Zhang Y., Dong S., Li J., Et al., Mesozoic multi-directional compressional tectonics and formation-reformation of Sichuan Basin, Geology in China, 32, 2, pp. 233-250, (2011)
[10]  
Zhai G., Zhang J., Tang Z., Et al., Petroleum Geology of China, 10, (1987)