Results 111 to 120 of about 9,104 (217)

Дослідження залежності між напруженнями в елементах бурильного інструменту та характеристиками його коливального руху [PDF]

, 2014
На бурильну колону та породоруйнівний інструмент в процесі їх експлуатації діють статичні та динамічні навантаження, в тому числі і вібраційні. На підставі багаторічного досвіду експлуатації бурильних колон, теоретичних та експериментальних досліджень ...
Андрусяк, А. В., Гриджук, Я. С., Кичма, М. В.   +2 more
core  

Instability regimes and self-excited vibrations in deep drilling systems [PDF]

, 2013
peer ...
Depouhon, Alexandre, Detournay, Emmanuel
core  

ON DRILL-STRING NATURAL TORSIONAL VIBRATIONS

Oil and Gas Business, 2014
A.G. Khakimov, E.I. Satyev
openaire   +2 more sources

A review of vertical drill-string mathematical modelling

Applications in Engineering Science
This work aims to elucidate the fundamental concepts and approaches for modelling the vertical rotary drilling system and analysing drill string vibrations through a comprehensive literature review.
Jasem M. Kamel, Asan G.A. Muthalif, Abdulazim H. Falah   +2 more
doaj   +1 more source

Analysis of drilling vibration characteristics of anchoring system in coal mine. [PDF]

Sci Rep, 2023
Xie M, Li Y, Zhang H, Yang Z, Ren Z, Nie R.   +5 more
europepmc   +1 more source

An Analytical–Numerical Model for Determining “Drill String–Wellbore” Frictional Interaction Forces

Energies
Currently, drilling of directional oil and gas wells under complex technical-technological and mining-geological conditions requires the use of drill pipes made of various materials.
Michał Bembenek, Yaroslav Grydzhuk, Bożena Gajdzik, Liubomyr Ropyak, Mykhaylo Pashechko, Orest Slabyi, Ahmed Al-Tanakchi, Tetiana Pryhorovska   +7 more
doaj   +1 more source

Self-propelled instrumented deep drilling system [PDF]

, 2006
An autonomous subsurface drilling device has spaced-apart forward and rearward feet sections coupled to an axial thruster mechanism between them to operate using an inchworm method of mobility.
Gorevan, Stephen, Myrick, Thomas M.
core   +1 more source

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.
europepmc   +1 more source

Stick-Slip Vibration Suppression in Drill String Using Observer-Based LQG Controller. [PDF]

Sensors (Basel), 2022
Riane R, Doghmane MZ, Kidouche M, Tee KF, Djezzar S.   +4 more
europepmc   +1 more source

Detecting downhole vibrations through drilling horizontal sections: machine learning study. [PDF]

Sci Rep, 2023
Saadeldin R, Gamal H, Elkatatny S.
europepmc   +1 more source