Study on mechanical characteristics of anchor drilling rig group for rapid excavating. [PDF]
Sci Rep, 2023 Xie M, Zhang HY, Li YQ, Ren Z, Nie RD.
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Analysis of the effect of stabilizer configuration on reamer vibration suppression. [PDF]
Sci ProgYu F, Kuang Y, Li B.
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An Improved Model to Characterize Drill-String Vibrations in Rotary Drilling Applications
Fluid Dynamics & Materials Processing, 2022 Yong Wang +3 more
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Development and Application of Oil-Based Thermo-Responsive Gel Lost Circulation Material SBR-g-PSA. [PDF]
GelsLiu Z +6 more
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, 1992 This invention is comprised of a drill string enclosure which consists of six component parts, including; a top bracket, an upper acrylic cylinder, an acrylic drill casing guide, a lower acrylic cylinder, a bottom bracket, and three flexible ducts.
Wiersholm, O. +3 more
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Research on a Self-Powered Vibration Sensor for Coal Mine In Situ Stress Fracturing Drilling. [PDF]
Micromachines (Basel)Liu J, Li M, Wu C, Shen X, Feng Y.
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Syzygy: The Concord String Quartet
, 2008 String Quartet No. 4 (1978), George Rochberg (b. 1918) -- String Quartet No. 3 (1981), Jacob Druckman (b. 1928) -- String Quartet No.
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A case study on the passability of slim dual bend screw drills in high curvature sidetracking through slim boreholes from the Southern Ordos Basin. [PDF]
Sci RepHui Z +7 more
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Research on the drilling pipe health monitoring and intelligent life prediction management platform. [PDF]
Sci RepGao X, Wu X, Li Q, Wang L, Zhu Z, Qu F.
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Application of Seismic Sensors in Measurement While Drilling. [PDF]
Sensors (Basel)Khanal M +5 more
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