Results 21 to 30 of about 1,934 (257)

Geothermal power generation in China: Status and prospects

open access: yesEnergy Science & Engineering, 2019
Geothermal resources provide green, low‐carbon, and renewable clean energy, with abundant reserves and massive potential for application. The in‐depth analysis of geothermal resources in China, including their distribution and breakdown by shallow ...
Lei Zhang, Shuai Chen, Cun Zhang
doaj   +1 more source

Hydraulic stimulation of tight geothermal reservoirs

open access: yes, 2023
To extend geothermal-energy power generation from hydrothermal systems to places without anomalies in the geothermal gradient, fractures of low-permeability rock- typically at 4-6 km depth to find
Tangirala, Sri Kalyan   +2 more
core   +1 more source

Enhanced Geothermal Systems Project Development Solicitation - Final Report - 09/30/2000 - 02/01/2001 [PDF]

open access: yes, 2001
The Enhanced Geothermal System concept is to develop the technology required to extract energy from the reduced permeability zones that underlie all high-temperature geothermal systems.
Nielson, Dennis L.
core   +1 more source

Heat Extraction Evaluation of CO2 and Water Flow through Different Fracture Networks for Enhanced Geothermal Systems

open access: yes, 2023
Enhanced geothermal system (EGS) technologies have been developed to improve geothermal energy production from hot dry rock (HDR). In this study, discrete fracture network models for geometric topological networks that consider different parameters (the ...
Xueyuan Li   +5 more
core   +1 more source

Exploring structure and stress from depth to surface in the Wairakei Geothermal Field, New Zealand

open access: yes, 2017
Structures such as fractures and faults have an important role as fluid flow pathways in geothermal fields, as the reservoir rocks hosting geothermal resources can often have little to no intrinsic permeability.
Villamor, Pilar   +6 more
core   +2 more sources

Influence Factors on EGS Geothermal Reservoir Extraction Performance

open access: yesGeofluids, 2022
The heat extraction performance of the enhanced geothermal system is simulated by using COMSOL software. The effects of six factors, such as the thermal conductivity of heat reservoir, matrix permeability, fracture width, injection temperature, injection
Haitao Wang, Lijuan Wang, Zude Cheng
doaj   +1 more source

Design and productivity evaluation of multi-lateral well enhanced geothermal development system

open access: yesNatural Gas Industry B, 2021
Enhanced geothermal development system is an effective means to develop hot dry rock geothermal resources, and its reasonable structural design is crucial to the efficient exploitation of hot dry rocks.
Jie Zhang, Jingxuan Xie
doaj   +1 more source

Outcrop analogue study to determine reservoir properties of the Los Humeros and Acoculco geothermal fields, Mexico [PDF]

open access: yesAdvances in Geosciences, 2018
The Los Humeros geothermal system is steam dominated and currently under exploration with 65 wells (23 producing). Having temperatures above 380 °C, the system is characterized as a super hot geothermal system (SHGS).
L. M. Weydt   +11 more
doaj   +1 more source

Development of an Enhanced Two-Phase Production System at the Geysers Geothermal Field [PDF]

open access: yes, 2001
A method was developed to enhance geothermal steam production from two-phase wells at THE Geysers Geothermal Field. The beneficial result was increased geothermal production that was easily and economically delivered to the power ...
Enedy, Steven
core   +1 more source

Mechanical zonation of rock properties and the development of fluid migration pathways: implications for enhanced geothermal systems in sedimentary-hosted geothermal reservoirs

open access: yesGeothermal Energy, 2021
Oil and gas operations in sedimentary basins have revealed the occurrence of significant temperature anomalies at depth, raising the possibility of major geothermal resource potential in the sedimentary sequences.
Oladoyin Kolawole   +4 more
doaj   +1 more source

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