2017
DOI: 10.1021/acs.energyfuels.6b02286
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CO2 Storage and Flow Capacity Measurements on Idealized Shales from Dynamic Breakthrough Experiments

Abstract: Dynamic column breakthrough (DCB) measurements were carried out on idealized shale samples for the first time, based on a custom-designed system. To better understand the contribution of different shale minerals on flow and storativity, measurements were carried out on composition-controlled shales having known weight percentages of total organic carbon (TOC) and illite. CO 2 was assessed for its potential for sequestration, as well as its applicability as a fracturing fluid for enhanced gas recovery in shale … Show more

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Cited by 38 publications
(22 citation statements)
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“…As a clean and efficient energy source, shale gas has become an increasingly significant resource worldwide [2][3][4][5][6]. The exploration and exploitation of shale gas has accelerated in recent years, with significant progress made in the Sichuan Basin of Southern China [7,8].…”
Section: Introductionmentioning
confidence: 99%
“…As a clean and efficient energy source, shale gas has become an increasingly significant resource worldwide [2][3][4][5][6]. The exploration and exploitation of shale gas has accelerated in recent years, with significant progress made in the Sichuan Basin of Southern China [7,8].…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, since most of the injected CO 2 would be adsorbed to the surface of kerogen rather than exist as free gas, the problem of leakage is minimized [8]. Hence, CO 2 sequestration in shales is feasible but requires knowledge of the characteristics of different shale formations as well as gas-water-rock interactions, multiphase flow, and reservoir modeling, monitoring and verification [22,25].…”
Section: Co 2 Storage In Unconventional Shale Reservoirsmentioning
confidence: 99%
“…In other words, shales with high TOC tend to be strongly CO 2 -wet, whereas shales with low TOC content exhibit water-wet conditions, with medium TOC in between strongly CO 2 -wet and water-wet conditions [24]. Furthermore, the presence of interlayering clay minerals (illite) in shales also creates a large surface area for adsorption, although the weight of TOC has a much larger influence [25].…”
Section: Mechanisms Of Co 2 Sequestration In Shalesmentioning
confidence: 99%
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