Temperature-dependent abrasivity of Bukit Timah granite and implications for drill bit wear in thermo-mechanical drilling
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DOI: 10.1007/s11440-020-01056-x
Abstract: Thermo-mechanical drilling combines the advantages of flame thermal treatment and rotary head drilling to achieve a high penetration rate in granitic rocks and a low wear rate of drill bits. This drilling strategy has been… read more here.
Keywords: bukit timah; thermo mechanical; drill bit; abrasivity ... See more keywords
Real-time monitoring of mechanical specific energy and bit wear using control engineering systems
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2016.10.038
Abstract: Abstract Drilling of oil and gas wells utilize drilling mechanical energy to crush formation rocks through drill bits. Due to the friction with the formation rocks, the bit cutters suffer a continuous wear with the… read more here.
Keywords: real time; energy; time; mechanical energy ... See more keywords
The Effects of Bit Wear on Respirable Silica Dust, Noise and Productivity: A Hammer Drill Bench Study
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DOI: 10.1093/annweh/wxx041
Abstract: Objectives Hammer drills are used extensively in commercial construction for drilling into concrete for tasks including rebar installation for structural upgrades and anchor bolt installation. This drilling task can expose workers to respirable silica dust… read more here.
Keywords: dust noise; silica dust; respirable silica; noise ... See more keywords