In this paper, the feasibility of a thermally assisted drilling method is investigated. The
working principle of this method is based on the weakening effect of a flame-jet to enhance …

Combined thermo-mechanical drilling is a novel technology to enhance drilling performance
in deep hard rock formations. In this work, we demonstrate this technology in the field by …

The electro-pulse boring (EPB) of deep and ultra-deep wells has great market prospects. It
uses controllable energy and is pollution-free. In this paper, research into high-voltage short …

Abstract Advanced Geothermal Systems (AGS) generate electric power through a closed-
loop circuit, after a working fluid extracts thermal energy from rocks at great depths via …

As the exploration and drilling of oil, natural gas and geothermal wells are expanding
continuously, research into high-efficiency rock drilling technology is imperative. High …

Accessing hydrocarbons, geothermal energy and mineral resources requires more and
more drilling to great depths and into hard rocks, as many shallow resources in soft rocks …

Thermal cracking of rocks is an intensively studied topic in different research areas and for
various engineering problems. In this context, we present a modeling approach which …

To enhance the drilling performance in deep hard rocks and reduce overall drilling efforts,
this work proposes a Combined Thermo-Mechanical Drilling (CTMD) technology. This …

High voltage electric pulse rock breaking technology is a novel and promising rock breaking
technique that is environmentally friendly, efficient, and nearing industrial application …

Electropulse rock breaking has wide application prospects in hard rock drilling and ore
breaking. At present, there are no suitable physical mathematical models that describe …