Petroleum Reservoir Evaluation and Development >
2022 , Vol. 12 >Issue 1: 150 - 159
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2022.01.013
Characteristics of Tiansheng Outcrop in Wufeng Formation- 1st Member of Longmaxi Formation, Wulong, Chongqing
Received date: 2022-01-01
Online published: 2022-03-24
Taking the shale reservoir as the starting point, Tiansheng standard section is selected as the research object by the survey and optimization of the areas with simple structure, well-developed outcrops, fully developed strata and convenient transportation in Fuling, Nanchuan and Wulong areas. The shale heterogeneity of the outcrop is characterized in the aspect of stratigraphy, mineralogy, petrography, organic geochemistry and storage space, combined with pre-existing seismic, drilling,logging, and laboratory petrophysical and geochemical analyses. The research results show that this section is located in an area of relative stable structure has good horizontal comparability, of which each small layer has typical development characteristics and the thickness changes little. It is a representative and typical observation and research section, which can be used as a reference base for shale scientific research and teaching in Sichuan and Chongqing Region. Meanwhile, it is pointed out that the development of bentonite interlayer has a certain influence on shale quality and shale gas well fracturing. This method of the surface indicating the underground provides a certain guiding significance for the efficient development of shale gas wells.
Xiaohong ZHAN , Xuehui CHEN , Chao LIU , Wenbin HE , Zhiping ZHANG . Characteristics of Tiansheng Outcrop in Wufeng Formation- 1st Member of Longmaxi Formation, Wulong, Chongqing[J]. Petroleum Reservoir Evaluation and Development, 2022 , 12(1) : 150 -159 . DOI: 10.13809/j.cnki.cn32-1825/te.2022.01.013
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