Results 101 to 110 of about 9,449 (231)

Analysis on the lateral vibration of drill string by mass effect of drilling fluid [PDF]

, 2019
Chunxu Yang, Ruihe Wang, Laiju Han, Qilong Xue   +3 more
openalex   +1 more source

ON DRILL-STRING NATURAL TORSIONAL VIBRATIONS

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

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

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

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

Robotic Planetary Drill Tests [PDF]

, 2010
Several proposed or planned planetary science missions to Mars and other Solar System bodies over the next decade require subsurface access by drilling. This paper discusses the problems of remote robotic drilling, an automation and control architecture ...
Glass, Brian J., Paulsen, G., Thompson, S.   +2 more
core   +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

Simulation of impact load modulation device based on drill string vibration [PDF]

, 2021
Xiaopeng Lu, Hualin Liao, Huajian Wang, Wenlong Niu, Jiansheng Liu   +4 more
openalex   +1 more source

A New Method of Lithology Classification Based on Convolutional Neural Network Algorithm by Utilizing Drilling String Vibration Data [PDF]

, 2020
Gang Chen, Mian Chen, Guobin Hong, Yunhu Lu, Bo Zhou, Yanfang Gao   +5 more
openalex   +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