Growth mechanism of three-dimensional plasma channels in high-voltage electric pulse rock breaking

X Zhu, S Liu, W Liu, X Zhou - Rock Mechanics and Rock Engineering, 2024 - Springer
High-voltage electric pulse rock-breaking technology has the potential to improve drilling
speed significantly. Numerous mechanism studies and laboratory experiments have laid the …

The influence of pore characteristics on rock fragmentation mechanism by high-voltage electric pulse

LIU Weiji, Y Zhang, ZHU **aohua… - Plasma Science and …, 2023 - iopscience.iop.org
High-voltage electric pulse (HVEP) is an innovative low-energy and high-efficiency
technique. However, the underlying physics of the electrical breakdown within the rock, and …

An experimental and numerical study on the mechanism of high-voltage electro pulse rock-breaking

J Kang, C Li, L Duan, Y **ao, A Li - Rock Mechanics and Rock Engineering, 2023 - Springer
As a novel rock-breaking technology, the high-voltage electro pulse rock-breaking boring
(EPB) technology has a broad prospect for high efficiency and low energy consumption rock …

Simulating Plasma formation in pores under short electric pulses for Plasma pulse Geo drilling (PPGD)

M Ezzat, D Vogler, MO Saar, BM Adams - Energies, 2021 - mdpi.com
Plasma Pulse Geo Drilling (PPGD) is a contact-less drilling technique, where an electric
discharge across a rock sample causes the rock to fracture. Experimental results have …

[HTML][HTML] Sustainable Geothermal Energy: A Review of Challenges and Opportunities in Deep Wells and Shallow Heat Pumps for Transitioning Professionals

T Elshehabi, M Alfehaid - Energies, 2025 - mdpi.com
Geothermal energy has emerged as a cornerstone in renewable energy, delivering reliable,
low-emission baseload electricity and heating solutions. This review bridges the current …

Numerical modeling of the effects of pore characteristics on the electric breakdown of rock for plasma pulse geo drilling

M Ezzat, BM Adams, MO Saar, D Vogler - Energies, 2021 - mdpi.com
Drilling costs can be 80% of geothermal project investment, so decreasing these deep
drilling costs substantially reduces overall project costs, contributing to less expensive …

Impact of Temperature on the Performance of Plasma-Pulse Geo-Drilling (PPGD)

M Ezzat, J Börner, B Kammermann, E Rossi… - Rock Mechanics and …, 2024 - Springer
Abstract Advanced Geothermal Systems (AGS) may in principle be able to satisfy the global
energy demand using standard continental-crust geothermal temperature gradients of 25 …

[PDF][PDF] Drilling of directional wells in the fields of Western Turkmenistan

AR Deryaev - SOCAR Proceedings, 2023 - grassrootsjournals.org
The investigation of drilling directional wells in the fields of western Turkmenistan is relevant
at the present time, as it can contribute to the optimisation of hydrocarbon production …

Advances in geothermal drilling: A comparative study with oil and gas techniques

F Isania, B Elahifar - Geoenergy Science and Engineering, 2024 - Elsevier
Geothermal energy is an essential clean and renewable resource that is reliable and has
large reserves that are not impacted by the weather or the seasons. However, there are …

Electric power generation, specific capital cost, and specific power for advanced geothermal systems (AGS)

AE Malek, B Adams, E Rossi… - 46th Annual …, 2021 - research-collection.ethz.ch
Advanced Geothermal Systems (AGS) generate electric power using a closed-loop system,
by circulating a working fluid through a long wellbore and extracting geothermal heat only …