Drill string nonlinear vibrations: experimental studies and finite-element analysis
Journal of Physics: Conference Series, 2018 In the present work, nonlinear vibrations of drill strings are studied. A laboratory scale arrangement consisting of a flexible rod with rotor-stator system is used to study the system dynamics. A finite-element model has been developed to study the system dynamics.
Kanzari M. +3 more
openaire +2 more sources
Analysis of Transverse Vibration of the Drill String in Vertical Section of Horizontal Well
Shiyou jixie, 2017 For the drill string fatigue failure caused by drill string resonance, taking the drill string in the vertical section of a horizontal well in the southwest of China as study object, the inner and outer pressure of the drill string as the function of ...
Cao Yu +5 more
doaj
A Proposed Design for a Smart Shock Absorber Using an Electro-Rheological Fluid [PDF]
, 2016 This paper proposes a design for a smart down-hole shock absorber that can be used to optimize the vibrations that occur while drilling oil and gas wells. The tool reads the magnitude and frequency of vibrations resulting from the drilling process.
Alphonse Anees, Michael Anwr +3 more
core +2 more sources
LQR Control of Axial-Torsional Bidirectional Vibration of Drill String in Oil and Gas Wells
Shiyou jixieTo effectively solve the failure problem induced by axial-torsional bidirectional vibration of drill string， with the help of the 3-DOF dynamics model of drill pipe， a simulation study was performed on the suppression of linear quadratic regulator （LQR ...
Li Xinye +4 more
doaj +3 more sources
Влияние утяжеленных бурильных труб на спектр продольных колебаний бурильного инструмента [PDF]
, 2014 При бурінні свердловин у процесі експлуатації породоруйнівний інструмент і бурильна колона руйнуються внаслідок пружних вібрацій, а також статичних й зовнішніх навантажень.
Levchuk, K. G. +2 more
core
An efficient model of drillstring dynamics [PDF]
, 2015 This is the author accepted manuscript. The final version is available from Elsevier via http://dx.doi.org/10.1016/j.jsv.2015.06.033High amplitude vibration regimes can cause significant damage to oilwell drillstrings: torsional stick-slip oscillation ...
Butlin, T, Langley, RS
core +2 more sources
Application of Shock Absorber based on Bit-rock Interaction
Shiyou jixie, 2022 In order to obtain the optimal parameters of shock absorber and thus reduce the downhole vibration intensity in the process of rock-breaking drilling of bit,on the basis of considering the dynamic coupling of drill string,bit and rock system,taking the ...
Hu Zhiqiang +5 more
doaj
Research on BHA Load Transfer Considering Drill String Transverse Vibration [PDF]
, 2013 With increasing difficulty of reservoir development and harsh geological conditions, higher drilling technology meets lots of challenges, especially in the large displacement wells and ultra-deep wells.
Peng, WANG, Qian, Zhang, Tie, YAN
core +2 more sources
Helical Buckling of Drill-Strings
MATEC Web of Conferences, 2018 This paper presents experimental and numerical investigations of the complex drill-string vibration, with particular attention to the helical buckling of drill-strings and its influence on the system dynamics.
Kapitaniak Marcin +2 more
doaj +1 more source
Development of small diameter pilot hole directional drilling for trenchless utility installation [PDF]
, 2016 The paper overviews trenchless utility installation techniques and prospects of further development of horizontal directional drilling technology to drill small diameter pilot holes.
Saruev, Aleksey Lvovich +2 more
core +1 more source