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Effect of fracture geometry, topology and connectivity on energy recovery from enhanced geothermal systems

Meng Cao and Mukul M. Sharma

Energy, 2023, vol. 282, issue C

Abstract: A combination of hydraulic fracturing and horizontal wells is now being used to tap geothermal energy from naturally fractured reservoirs. Fully grid-based numerical models are currently used to simulate heat recovery from enhanced geothermal systems (EGS). Such models require a fine unstructured mesh and are computationally expensive. In this paper we present a computationally efficient model that allows us to accurately simulate fracture propagation, fluid flow, and heat transfer in networks of natural fractures that may be created in naturally fractured geothermal reservoirs.

Keywords: Enhanced geothermal systems; Fracture propagation; Heat transfer; Backbone fractures; Fracture connectivity and complexity (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:282:y:2023:i:c:s0360544223017620

DOI: 10.1016/j.energy.2023.128368

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