Dissolution and Thermal Spallation of Barre Granite Using Pure Water Hydrothermal Jets
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DOI: 10.1007/s00603-018-1647-2
Abstract: Spallation induced by rapid hydrothermal heating was investigated as a possible method of drilling rock. In this study, an electrically-heated hydrothermal jet was impinged on the surface of cylindrical Barre Granite specimens (basement rock) contained… read more here.
Keywords: spallation; water; jet; thermal spallation ... See more keywords
Simulation of rock failure modes in thermal spallation drilling
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DOI: 10.1007/s11440-020-00927-7
Abstract: Thermal spallation drilling is a contact-less means of borehole excavation that works by exposing a rock surface to a high-temperature jet flame. In this study, we investigate crucial factors for the success of such thermal… read more here.
Keywords: spallation; spallation drilling; jet flame; failure ... See more keywords
Experimental analysis on characteristics of micro-structure and mineralogy changes in thermal spallation drilling
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.03.107
Abstract: Abstract Thermal spallation drilling is a promising technology expected to exploit hydrocarbons in hard rocks. In this paper, thermal spallation experiments are conducted on six types of rocks. Comparisons are made in terms of mineral… read more here.
Keywords: spallation; mineralogy; micro particles; spallation drilling ... See more keywords
Shape factor of the flake-like particle in thermal spallation and its effects on settling and transport behavior in drilling annulus
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DOI: 10.1016/j.powtec.2018.05.014
Abstract: Abstract Thermal Spallation Drilling (TSD) is widely applied in the exploration and development of oil, gas, and geothermal resources. Flake-like spalls (or particles) are often created during the TSD process. Our study in this paper… read more here.
Keywords: factor; thermal spallation; shape factor; flake like ... See more keywords