A novel enhanced geothermal system with multilateral wells is proposed to extract heat from
hot dry rock in this study. For this EGS, one main wellbore is drilled to hot dry rock. Several …

Operational parameters optimization is of great significance to improve overall heat
extraction performance from the hydrothermal or enhanced geothermal system. Injection …

Aquifer thermal energy storage (ATES) is an effective time-shifting thermal energy storage
technology. Considering the enormous technical and economic input of the well pattern …

Tree-type borehole drilling and volume fracturing in underground coal mines is a new
method for improving the homogeneous permeability of coal seam. A self-rotatory bit is a …

A CO 2 enhanced geothermal system (EGS) with multilateral wells is proposed to exploit hot
dry rock (HDR) in this paper. For this EGS, several upper injection and lower production …

Coalbed methane (CBM) is an important global energy resource. However, reservoir
damage and wellbore collapse caused by water and chemical additives invasion are major …

Abstract Enhanced Geothermal System (EGS) is a promising approach to improve the
production efficiency of deep geothermal energy (eg hot dry rock). However, it faces with …

A novel method using multilateral wells to perform oil shale in-situ conversion process is
proposed in this paper. This method constructs radial branches in upper and lower oil shale …

In this study, the application of the Radial Jet Drilling (RJD), a novel stimulating technique for
enhancing productivity in the existing wells in deformable naturally fractured reservoirs was …

Understanding the flow and heat transfer in fractured geothermal reservoir is critical for the
development of enhanced geothermal system (EGS) in the future. Under the framework of …