An integrated model for fracture propagation and production performance of thermal enhanced shale gas recovery

Xu, Wenlong; Yu, Hao; Micheal, Marembo; Huang, HanWei; Li, He; Wu, HengAn

doi:10.1016/j.energy.2022.125682

Cited by 15 publications

(3 citation statements)

References 72 publications

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“…However, since it ignores widely dispersed natural cracks and sophisticated nonlinear processes, such as Knudsen diffusion, non-Darcy flow, and pressure-dependent phenomena, their model may not be adequate for the actual application. The study by Xu et al illustrates the potential correlation between fracture networks and multiphysical phenomena (fracture extension, gas transport, heat transfer) during thermal recovery (Figure a). They first performed simulations of the fracturing process, then embeded the fractures produced by fracturing into the reservoir model, and then performed simulations of multiphysical field processes (fluid flow, heat transfer).…”

Section: Enhanced Gas/oil Recovery Technologymentioning

confidence: 99%

“…(b) Optimization of heating and production energy at various heating temperatures. (c) A summary of the influence of different factors on the efficiency of gas production during thermal recovery . Reproduced with permission from ref .…”

Section: Enhanced Gas/oil Recovery Technologymentioning

confidence: 99%

Section: Enhanced Gas/oil Recovery Technologymentioning

confidence: 99%

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Hydraulic Fracturing and Enhanced Recovery in Shale Reservoirs: Theoretical Analysis to Engineering Applications

et al. 2023

Energy Fuels

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Shale reservoirs are extensively exploited using hydraulic fracturing, which forms multiple cracks that connect with the existing natural fractures to create a continuous path for the gas stored in the kerogen to flow to the production well. Apart from the tedious nature of hydraulic fracturing, the mechanism of the storage and flow of gas is equally complex since multiple phases and scales are involved. An accurate understanding of hydraulic fracturing coupled with a strategy of analyzing the flow and overall recovery of gas is paramount to ensure efficient exploitation. In this work, a comprehensive review of the recent strategies used in analyzing the hydraulic fracturing, storage, flow, and recovery of gas is presented. To begin with, the experimental, analytical, and numerical approaches pertinent to hydraulic fracturing are deeply explored. Additionally, the flow of gas through the newly opened channels is accounted for by using a quadruple-domain approach where the mechanisms of flow in shale reservoirs at the nanoscale, microscale, mesoscale, and macroscale are considered. Furthermore, a strategy to capture the multiple phases, including gas, oil, and water, and recover both carbon dioxide and methane is explored through thermal and enhanced gas recovery approaches. This review provides a baseline for understanding how the hydraulic fracture evolves and propagates to create new channels that contribute to the flow of gas, how the gas flows through the created channels across the many scales of the shale reservoir, and how to improve recovery from shale reservoirs.

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Section: Enhanced Gas/oil Recovery Technologymentioning

confidence: 99%

Section: Enhanced Gas/oil Recovery Technologymentioning

confidence: 99%