Geothermal energy is a renewable energy source that can be found in abundance on our
planet. Only a small fraction of it is currently converted to electrical power, though in recent …

In enhanced geothermal systems (EGS), the natural permeability of deep rocks is normally
not high enough and needs to be increased. Permeability increase can be achieved through …

This paper considers the problem of a fluid-driven fracture propagating in a permeable
poroelastic medium. We develop a zero-thickness finite element to model the fracture. The …

This paper presents an investigation into the suitability of abandoned wells in California for
Enhanced Geothermal Systems (EGS) and low temperature deep Borehole Heat Exchanger …

Heat extraction mode, eg well layout or arrangement of wells, of enhanced or engineered
geothermal system (EGS) is crucial to its performance and directly affects its commercial …

Enhanced geothermal system with CO 2 instead of water as the working fluid (CO 2–EGS)
has attracted much interest due to the additional benefit of CO 2 geological storage during …

Fractures play an important role in the geothermal energy recovery from enhanced
geothermal systems (EGS) involving interacted multi-physical fields. A strongly coupled …

In low permeability shale reservoirs, multi-stage hydraulic fracturing is largely used to
increase the productivity by enlarging the stimulated rock volume. Hydraulic fracture created …

Liquid nitrogen jet fracturing is a novel stimulation technology, which is expected to be
suitable for hot dry rock (HDR) reservoirs. Due to the large temperature difference between …

Understanding hydrothermal processes during production is critical to optimal geothermal
reservoir management and sustainable utilization. This study addresses the hydrothermal …