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Article
Quantitative Analysis of Micro-structural Changes in a Bituminous Coal After Exposure to Supercritical CO2 and Water
High-volatile bituminous coal samples were reacted in deionized water with supercritical CO2 (ScCO2–water) under simulated in situ pressure and temperature conditions (8 MPa and 40 °C) in unconfined stress state ...
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Article
Artificial Fracture Stimulation of Rock Subjected to Large Isotropic Confining Stresses in Saline Environments: Application in Deep-Sea Gas Hydrate Recovery
The low permeability of gas hydrate deposits leads to poor extraction rates. Artificial fracture stimulation could significantly improve the recovery rate of an estimated 300 trillion m3 of this untapped future e...
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Article
An experimental study on tensile characteristics of granite rocks exposed to different high-temperature treatments
Investigation of temperature dependent tensile strength characteristics of rocks provides essential inputs to continue the development of deep geo-engineering applications, including enhanced geothermal system...
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Article
The Influence of Admixtures on the Hydration Process of Soundless Cracking Demolition Agents (SCDA) for Fragmentation of Saturated Deep Geological Reservoir Rock Formations
Alternative fragmentation technologies such as soundless cracking demolition agents (SCDAs) can minimize adverse environmental impacts associated with conventional rock fracturing methods used in mining and en...
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Article
Major factors influencing proppant behaviour and proppant-associated damage mechanisms during hydraulic fracturing
The ultra-low permeability of shale reservoirs necessitates engineering applications such as hydraulic fracturing to enable the extraction of economically viable amounts of gas. In this process, a high-pressur...
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Article
Quality of Life in Older Adults Attending a University Family Practice Centre in Sri Lanka
This study aimed to assess the quality of life (QoL) and identify factors influencing it in older adults attending a University Family Practice situated in a semi-urban area in Sri Lanka, a lower middle income...
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Article
Effective usage of poker vibrator for compacting quarry dust: an application to ground improvement in shallow foundation design
Appropriate ground improvement is required to stabilize soil under shallow foundations when there is a high groundwater table or weak soil. In such situations, a granular material like sand or quarry dust is w...
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Article
A macro-scale view of the influence of effective stress on carbon dioxide flow behaviour in coal: an experimental study
Existing studies highlight the uncertainty in the process of CO2 sequestration in deep coal seams, mainly due to the associated CO2 adsorption-induced coal matrix rearrangements. This complexity is further increa...
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Article
Shale gas fracturing using foam-based fracturing fluid: a review
World energy resources are depleting at an alarming rate, and natural gas has been identified as an environmentally friendly energy resource, with shale gas being one option. However, the extremely low permeab...
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Article
Effect of accelerated carbonation on the chemical properties and leaching behaviour of Australian coal fly ash, to improve its use as a compost amendment
Direct agricultural use of most Australian coal fly ashes is limited by their (1) extreme alkalinity, (2) extreme salinity and (3) trace metal leachability. Therefore, in order to use fly ash as a fertiliser s...
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Article
Open AccessExperimental investigation of geochemical and mineralogical effects of CO2 sequestration on flow characteristics of reservoir rock in deep saline aquifers
Interactions between injected CO2, brine and rock during CO2 sequestration in deep saline aquifers alter their natural hydro-mechanical properties, affecting the safety and efficiency of the sequestration process...
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Article
Current opinions on foam-based hydro-fracturing in deep geological reservoirs
Natural gas extraction is a greener solution to world energy resource depletion and water-based hydraulic fracturing is traditionally used to produce gas from deep and tight geological formations. However, sin...
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Article
Effect of Salinity on Effective CO2 Permeability in Reservoir Rock Determined by Pressure Transient Methods: an Experimental Study on Hawkesbury Sandstone
The determination of effective carbon dioxide (CO2) permeability in reservoir rock and its variation is of great interest in the process of CO2 sequestration in deep saline aquifers, as CO2 sequestration-induced ...
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Article
Glycemic and insulinemic responses to breakfast and succeeding second meal in type 2 diabetics
The aim of the present study was to determine the parameters related to glycemic and insulinemic responses of type 2 diabetic patients to three low Glycemic Index (GI) breakfast meals and study the effects of ...
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Article
A review of coal properties pertinent to carbon dioxide sequestration in coal seams: with special reference to Victorian brown coals
This paper presents reviews of studies on properties of coal pertinent to carbon dioxide (CO2) sequestration in coal with specific reference to Victorian brown coals. The coal basins in Victoria, Australia have b...