Experimental Study on Longmaxi Shale Breaking Mechanism with Micro-PDC Bit
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-017-1255-6
Abstract: China has abundant shale gas resource, but its geological conditions are complicated. This work sought to find the shale breaking mechanism with the polycrystalline diamond compact (PDC) bit when drilling the shale that is rich… read more here.
Keywords: micro pdc; shale breaking; bit; pdc bit ... See more keywords
Vibration failure and anti-vibration analysis of an annular-grooved PDC bit
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2020.104658
Abstract: Abstract To extend the service life of drill bits through reducing various drilling vibrations, this paper presents a fundamental analysis of the root cause of failure for polycrystalline diamond compact (PDC) bits during the drill-based… read more here.
Keywords: bit; vibration; analysis; pdc bit ... See more keywords
Simulation study of new directional drilling PDC bit used in coal mine
Sign Up to like & getrecommendations! Published in 2017 at "Geosystem Engineering"
DOI: 10.1080/12269328.2016.1246981
Abstract: Abstract During directional drilling, when drilling in hard and multi-interbedded formation, the ordinary flat-bottomed PDC bit wears seriously, in order to solve this problem, a new type of directional drilling PDC bit (straight angle drag… read more here.
Keywords: straight angle; directional drilling; bit; pdc bit ... See more keywords
Cutter Load Distribution Analysis and Crown Shape Optimal Design of Complex Curved PDC Bit
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Engineering and Technological Sciences"
DOI: 10.5614/j.eng.technol.sci.2019.51.1.2
Abstract: When drilling in hard rock formations, the wear of the complex curved PDC bit is extremely uneven. To solve this problem, a numerical simulation method was used to analyze the load distribution law of the… read more here.
Keywords: bit; curved pdc; complex curved; pdc bit ... See more keywords