Results 51 to 60 of about 19,968 (132)

Preliminary design of a traffic light system for risk management of earthquakes induced by hot dry rock fracturing

地震科学进展
Hot dry rock (HDR) is a strategic clean energy resource with considerable advantages, including abundant reserves, stable power output, and renewability. However, induced seismicity remains a primary challenge in HDR development and represents a critical
Junpeng Guan, Lijuan Wang, Wei Pang, Yongbiao Yang, Jun Chen, Shanxin Yi, Dong Chen   +6 more
doaj   +1 more source

Synergetic effect of heat extraction with power generation of HDR based on organic Rankine cycle and cogeneration

Case Studies in Thermal Engineering
Due to huge reserves, stability and sustainability, Hot Dry Rock (HDR) is regarded as a strategic energy. organic Rankine cycle (ORC) is often adopted for thermal power generation, and combined heat and power (CHP) is a practicable to enhance the system ...
Tailu Li, Kailun Zhou, Jie Li, Xiang Gao, Hua Yang   +4 more
doaj   +1 more source

Investigation of Thermal Stress of Cement Sheath for Geothermal Wells during Fracturing

Energies, 2018
Geothermal energy development has increasingly been studied in recently decades because of its renewable and sustainable features. It can be divided into two categories: traditional geothermal (hydrothermal) systems and enhanced geothermal systems (EGS ...
Honglin Xu, Nian Peng, Tianshou Ma, Bin Yang   +3 more
doaj   +1 more source

Kinetic characterisation of sandstone exposed to high temperature-water cooling cycle treatments under the impact loading: from the perspective of geohazard

Geohazard Mechanics
Enhanced Geothermal Systems (EGS) improve geothermal energy extraction but can rapidly cool high-temperature rocks, leading to internal fractures that weaken mechanical properties and pose risks such as well collapses and seismic events.
Lei Hong, Wen Wang, Xuewen Cao, Yuxiang Song, XiaoWei Lu, Shu Jiang, Cheng Zhai   +6 more
doaj   +1 more source

Mechanical Sealing Method for Laboratory-Scale Hydraulic Fracturing Tests of Granite Rocks Under High-Temperature and High-Pressure Conditions

Applied Sciences
Deep hot dry rock (HDR) geothermal energy is a widespread and sustainable renewable energy that could be extracted for the decarbonisation of electricity generation. Measurements are essential for hydraulic fracturing in HDR monitoring, which can be used
Zhang Hongwei, Chen Zhaoying, Zhou Chuanhong, Yang Qingshuai, Rui Xusheng, Wang Shijun   +5 more
doaj   +1 more source

Dynamic performance of supercritical and transcritical CO2 cycle for combined heating and power from hot dry rock

Case Studies in Thermal Engineering
In recent years, the development and utilization of Hot Dry Rock (HDR) resources have garnered increasing attention, positioning HDR as a valuable new strategic resource.
Tailu Li, Kailun Zhou, Jie Li, Hua Yang
doaj   +1 more source

Deterioration mechanisms of microscale mechanical properties in granite under ScCO2-water-rock interactions at high temperature and pressure

Meitan kexue jishu
To investigate the potential of supercritical carbon dioxide (ScCO2) as a heat-carrying fluid in Enhanced Geothermal Systems (EGS) and its impact on the mechanical properties of hot dry rock (HDR) reservoirs, this study conducted interaction experiments ...
Xiaodong ZHANG, Dan CHEN, Shasha JIN, Xuewen LI, Feng MA, Shuo ZHANG, Guiling WANG   +6 more
doaj   +1 more source

Experimental Study on the True-Triaxial Mechanical Properties and Fracture Mechanisms of Granite Subjected to Cyclic Thermal Shock

Applied Sciences
During reservoir stimulation and long-term operation of Enhanced Geothermal Systems (EGSs), repeated injection of cold fluids induces cyclic thermal shock in the surrounding rock mass, leading to progressive modification of mechanical properties and ...
Fan Zhang, Shaohui Quan, Shengyuan Liu, Man Li, Qian Zhou   +4 more
doaj   +1 more source

Experimental investigation on the evolution of physical and mechanical properties of hot dry rocks under elevated temperature and acidification conditions

Journal of Petroleum Exploration and Production Technology
Characterizing the evolution of the physical and mechanical properties of hot dry rock (HDR) under conditions of elevated temperature and acidification is essential for assessing the heat extraction rate and enhancing the stability of HDR reservoir in ...
Jianghui Ding, Weijun Shen, Xizhe Li, Xiangyang Wang, Lei Qiao, Zhi Zeng   +5 more
doaj   +1 more source

Research and application of the cooling system for water-based drilling fluid in hot dry rock drilling

Journal of Physics: Conference Series
Abstract Hot dry rock (HDR) is a new source of environmentally friendly energy. However, during the former HDR drilling process without the cooling system, the high temperature resulted in the breakdown of drilling fluid and downhole drilling tools.
Wei Weng, Meigui Feng, Yunchao He, Shuo Wu, Xiaodong Li   +4 more
openaire   +1 more source