2023
DOI: 10.1021/acs.energyfuels.3c01161
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A New Classification Method of Shale Reservoirs Based on the Relationship between Pore Volume and Surface Area: Shahejie Formation, Jiyang Depression, and Bohai Bay Basin

Shunyu Liu,
Jingong Cai,
Huimin Liu
et al.

Abstract: The differentiation of fluid occurrence can occur due to the coexistence of pores and surfaces, that is, the adsorbed and free states. However, on account of the unclear relation between the pore and surface, the evaluation and classification of shale are limited from the perspective of the reservoir. In this paper, a suite of shale samples were collected from the Shahejie Formation in the Jiyang Depression for nitrogen gas adsorption, high-pressure mercury intrusion, and field emission scanning electron micro… Show more

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Cited by 3 publications
(4 citation statements)
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“…The gel index (GI), tissue preservation index (TPI), and the GI-TPI phase diagram are widely used to identify coal facies, as proposed by Diessel. GI = ( vitrinite + coarse grained body ) / ( hemifusinite + fusinite + clastic inert body ) …”
Section: Sampling Area and Experimental Methodsmentioning
confidence: 99%
See 2 more Smart Citations
“…The gel index (GI), tissue preservation index (TPI), and the GI-TPI phase diagram are widely used to identify coal facies, as proposed by Diessel. GI = ( vitrinite + coarse grained body ) / ( hemifusinite + fusinite + clastic inert body ) …”
Section: Sampling Area and Experimental Methodsmentioning
confidence: 99%
“…The gel index (GI), tissue preservation index (TPI), and the GI-TPI phase diagram are widely used to identify coal facies, as proposed by Diessel. …”
Section: Sampling Area and Experimental Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, an unexpected trend was observed in which the average diameter of the pores exhibited a reduction after oil washing, contrary to our prior understanding. This phenomenon can be elucidated by considering the limitations inherent in nitrogen adsorption measurement techniques, as expounded by Clarkson et al [15,57]. According to their research, the effective measurement range of pore diameter using nitrogen adsorption is limited to 100 nm, beyond which larger pores cannot be accurately quantified.…”
Section: N2 Adsorption and Desorption Isothermsmentioning
confidence: 99%