Results 21 to 30 of about 121,815 (293)
Energies, 2019 Cementitious grouts are being developed for use as sealing and support matrices (SSMs) in deep borehole disposal (DBD) where temperatures do not exceed 190 °C. They will seal radioactive waste containers into the bottom 2 km of holes drilled up to 5
Nicholas Charles Collier +2 more
doaj +1 more source
Laboratory studies of a high-strength roof bolting by means of self-extending mixtures [PDF]
, 2019 Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods.
Isaienkov, O +3 more
core +1 more source
Geofluids, 2019 A 3 km deep research borehole KFD1 was drilled in the Koyna reservoir-triggered seismicity region, Western India, between December 2016 and May 2017.
Nagaraju Podugu +3 more
doaj +1 more source
Results of the experimental research of the heat-transfer jet pressure to the rock surface during thermal reaming of the borehole [PDF]
, 2018 The performed analysis of scientific sources confirms the existence of a small number of publications devoted to the experimental research of the gasdynamics and plasmodynamics of jets used as a heat- transfer medium in the thermal ...
Potapchuk, Iryna +3 more
core +1 more source
Meikuang Anquan, 2021 It was one of the hot spots that coal mine safety technicians were competing for studying the suitable sealing material and its matching technology for gas drainage and drilling with the characteristics of coal mine gas occurrence conditions fully ...
YAN Wenxue, CHENG Bo
doaj +1 more source
Application of large underground seasonal thermal energy storage in district heating system: A model-based energy performance assessment of a pilot system in Chifeng, China [PDF]
, 2018 Seasonal thermal energy storage (STES) technology is a proven solution to resolve the seasonal discrepancy between heating energy generation from renewables and building heating demands.
Guo, Fang +4 more
core +2 more sources
Design A Prototype of Temperature Logging Tools for Geothermal Prospecting Areas
Makara Seri Sains, 2013 The costs of geothermal exploration are very high because technology is still imported from other countries. The local business players in the geothermal sector do not have the ability to compete with global companies.
Supriyanto, Rizki Mahmudah, Nella Marwah
doaj +1 more source
Sensors, 2018 Borehole transient electromagnetic (TEM) techniques have been proven to be efficient for nondestructive evaluations (NDEs) of metal casings using eddy-current properties.
Bo Dang +6 more
doaj +1 more source
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2007 The term “vulnerability of groundwater to contamination” was introduced by French hydrogeologist J. Margat in the late 1960s. The idea of describing the degree of vulnerability of groundwater to contaminants as a function of hydrogeological conditions by
Kristýna Kubová, Tomáš Mikita
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Fault reactivation by fluid injection: Controls from stress state and injection rate [PDF]
, 2018 We studied the influence of stress state and fluid injection rate on the reactivation of faults. We conducted experiments on a saw-cut Westerly granite sample under triaxial stress conditions.
Brantut, Nicolas +2 more
core +2 more sources