Results 21 to 30 of about 146,439 (338)

Tidal influence on self-potential measurements [PDF]

open access: yes, 2016
DJM was supported by NERC CASE studentship NE/I018417/1. The authors would also like to thank Southern Water for access to the borehole at Saltdean. Atkins Global and Southern Water are thanked for funding installation of the equipment and for additional
Butler, A. P.   +3 more
core   +2 more sources

A Review of Potential Cementing Systems for Sealing and Support Matrices in Deep Borehole Disposal of Radioactive Waste

open access: yesEnergies, 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

Chemical and Noble Gas Isotope Compositions of Formation Gases from a 3 km Deep Scientific Borehole in the Koyna Seismogenic Zone, Western India

open access: yesGeofluids, 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

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]

open access: yes, 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

Laboratory studies of a high-strength roof bolting by means of self-extending mixtures [PDF]

open access: yes, 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

Research progress of gas drainage boreholes sealing materials and matching technology in underground coal mine

open access: yesMeikuang 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

Fault reactivation by fluid injection: Controls from stress state and injection rate [PDF]

open access: yes, 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

High-density support matrices: Key to the deep borehole disposal of spent nuclear fuel [PDF]

open access: yes, 2008
Deep (4–5 km) boreholes are emerging as a safe, secure, environmentally sound and potentially cost-effective option for disposal of high-level radioactive wastes, including plutonium.
Burley, D.   +4 more
core   +1 more source

Design A Prototype of Temperature Logging Tools for Geothermal Prospecting Areas

open access: yesMakara 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

A Uniform Linear Multi-Coil Array-Based Borehole Transient Electromagnetic System for Non-Destructive Evaluations of Downhole Casings

open access: yesSensors, 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

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