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Supercritical CO2 sequestration and enhanced gas recovery in tight gas reservoirs: Feasibility and factors that influence efficiency

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Feb 2021 Germany Publisher:Elsevier BVJournal:International Journal of Greenhouse Gas Control, volume 105, page 103,234 (issn: 1750-5836,

Authors: Yongming He; Jingchen Ding; Jingchen Ding; Changhui Yan; Changcheng Wang;

doi: 10.1016/j.ijggc.2020.103234

Supercritical CO2 sequestration and enhanced gas recovery in tight gas reservoirs: Feasibility and factors that influence efficiency

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Abstract

Abstract Tight gas reservoirs always have a low natural gas recovery because of the poor reservoir properties. Effective means on achieving enhanced gas recovery (EGR) in this type of reservoir remain a challenging task. In this study, experimental investigations on supercritical carbon dioxide (SCCO2) sequestration and EGR in tight gas reservoirs were presented. Results of phase behavior testing revealed that the adsorption capacity of SCCO2 in tight sandstone is more than 50 % higher than that of natural gas in tight sandstone, and the diffusion coefficient of SCCO2 in natural gas is too low (

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Germany

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	26
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%