A shortcut pressure swing adsorption analogue model to estimate Gas-in-Place and CO2 storage potential of gas shales
نویسندگان
چکیده
• Shale Gas-In-Place calculations using the excess adsorption formalism. A novel Injection-Soak-Production scheme is proposed for enhanced gas recovery. proxy reservoir model used to compare injection CO 2 and N . Partial pressure competitive drive production complementarily. Natural extraction from shale formations has experienced a rapid growth in recent years, but low recovery observed many field operations demonstrates that development of this energy resource far being optimal. The ambiguity procedures account Gas-in-Place represents an important element uncertainty. Here, we present methodology compute curves based on quantities are directly accessed experimentally, so as correctly usable pore-space shale. We observe does not necessarily sustain larger compared non-adsorbing with same porosity. By analysing entire curve, initial abandonment pressure, unravel role isotherm driving behaviour. To evaluate scenarios improved by means injection, develop exploits concept Pressure Swing Adsorption industrial separation operations. three stages (Injection/Soak/Production) cyclic or results show partial enhance complementary ways, reveal trade-off between CH 4 storage. In context, useful tool explore strategies optimise these without compromising purity produced stream, latter may introduce heavy economic burden operation.
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ژورنال
عنوان ژورنال: Fuel
سال: 2021
ISSN: ['0016-2361', '1873-7153']
DOI: https://doi.org/10.1016/j.fuel.2021.121014