Results 61 to 70 of about 1,256 (185)
Prediction of Critical Pipe Running Speed During Tripping in Drilling Operations
Journal of King Saud University: Engineering Sciences, 1999 Blowout and loss of circulation are two serious accidents that can happen while drilling without the control on drillstring running speed during tripping operations.
Musaed N.J. Al-Awad
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Influence of well trajectory measurement errors on deviation of its design geometry [PDF]
EPJ Web of ConferencesThe strength and durability of drillstrings is largely determined by bending stresses, which are calculated on the basis of the primary data of its trajectory: measured depth, inclination, azimuth.
Morozov Sergey +4 more
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Dynamic analysis of drillstring with FEM by considering wellbore-drillstring contact
, 2012 International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.In ...
Mohammadreza, Ghazavi +2 more
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LATERAL VIBRATION ANALYSIS OF DRILLSTRING USING FINITE ELEMENT METHOD [PDF]
, 2015 This project investigates lateral vibration of a drillstring under the action of weight on bit and drillstring rotation. The dominant cause of drillstring and bottom hole assembly’s failures, shocks and severe damages to borehole wall is recognized to be
A/L VADEVELOO, PIRAWIN
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Design of Horizontal Well Program for Ajeel Field
Iraqi Journal of Chemical and Petroleum Engineering, 2014 Horizontal wells are of great interest to the petroleum industry today because they provide an attractive means for improving both production rate and recovery efficiency. The great improvements in drilling technology make it possible to drill horizontal
Mohammed S.AL-Jawad +2 more
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Investigation on dynamics of drillstring systems from random viewpoint
, 2023 Drillstrings are one of the critical components used for exploring and exploiting oil and gas reservoirs in the petroleum industry. As being very long and slender, the drillstring experiences various vibrations during the drilling operation, and these ...
Qiu, Hongyuan
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Reconstructed drill-bit motion for sonic drillstring dynamics [PDF]
, 2019 International audienceIn tunnel excavation that integrates Resonant Sonic Head Drilling (RSHD) machine, one of the important stability problem to deal with is represented by the necessity to assign axial vibration amplitude induced by the RSHD to a ...
Ammari, Kaïs, Beji, Lotfi
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Suppression of Drill-String Stick-Slip Vibration
MATEC Web of Conferences, 2018 We investigate experimentally and numerically suppression of drill-string torsional vibration while drilling by using a sliding mode control. The experiments are conducted on the novel experimental drilling rig developed at the University of Aberdeen [1]
Vaziri Vahid +2 more
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Machine Learning Solution for Predicting Vibrations while Drilling the Curve Section. [PDF]
ACS Omega, 2023 Saadeldin R, Gamal H, Elkatatny S.
europepmc +1 more source
Asymptotic Stabilization of Oilwell Drillstring Torsional and Axial Vibrations
MathematicsThis paper takes as its starting point the distributed parameter models for both torsional and axial vibrations of the oilwell drillstring. While integrating several accepted features, the considered models are deduced following the Hamilton variational ...
Daniela Danciu, Vladimir Răsvan
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