Results 81 to 90 of about 242,341 (155)
Early Inspection of Drill String Fatigue Damage Based on Metal Magnetic Memory Method
Shiyou jixie, 2017 Drill string fracture frequently occurred during drilling operation seriously affected the exploration and development of oil and gas resources.To address the issue,the metal magnetic memory (MMM) detection technique was applied to the drill string ...
Hu Zhibin +6 more
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Fragment II for string quartet
, 2016 Fragment for String Quartet was commissioned by the Jade String Quartet and premiered on 9 October 2016, Pah Homestead, Wallace Arts Centre.
Holmes, LJ
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Test on Bending Fatigue Damage of Full-size Drill String
Shiyou jixie, 2017 In the past, the study on the fatigue damage of drill string was mostly modeling or small-scale test, which could not accurately represent the fatigue damage of full-bore drill string.Based on the four-point bending fatigue test, taking the full-size ...
Cheng Caixia +6 more
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Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration
VibrationThis paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string stick–slip vibration.
Mohammad Javad Moharrami +2 more
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Western String Chamber Orchestra, November 3, 1995
, 2016 Recorded during a live performance at Dalton Center Recital Hall, Western Michigan University, Kalamazoo, Michigan, November 3, 1995, 8:00 p.m., the 114th concert of the School of Music's 1995-1996 season.Western String Chamber Orchestra, Bruce Uchimura,
Western String Chamber Orchestra
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Effect of Bit Type on Reactive Torque and Consequent Tool-face-control Anomalies
Shiyou jixie, 2017 In sliding drilling with bend house mud motor, given the same WOB, the reactive torque is greater and the directional drilling is more difficult if the drill bit is more aggressive.
Xu Lihui
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Chaotic Vibration Analysis of the Bottom Rotating Drill String
, 2018 Drill string vibration is a widely studied topic. This paper developed a real-time measurement system near the drilling bit and extracted the lateral vibration, longitudinal vibration time series of bottom rotating drill string.
Huang, Zhiyuan +3 more
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Heave effects on Drill String during connections [PDF]
, 2012 During the make-up and break-out of the connections, the drill string is wedged in the rotary table and the top of the drill string follows the platform heave movement as the bit is off bottom.
Cespedes, Marco Antonio Guzman
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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.
core
Localization of Hazardous Areas during Rig Operations Based on an Improved YOLOv8 Model
Shiyou jixieDue to multiple factors such as the complex and changing environment， uneven light conditions， and diverse drill-string shapes at rig sites， existing drill-string status recognition methods are insufficient in accuracy.
Hu Jinqiu +3 more
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