Results 191 to 200 of about 4,548 (230)

Nonlinear dynamics of a drillstring system with PDC bit in curved wells based on the finite element method

Geoenergy Science and Engineering, 2023
C. Xiang, P.-H. Fang, Hongtao Li, Hui Feng, Bin Tang, Zhang Tao, Guilin Xiao   +6 more
semanticscholar   +1 more source

Study on mechanical extending reach limit and automatic drillstring design method for shale gas horizontal wells

Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2023
Changsheng Li, Chuanshu Yang, Liming Huang, Huakai Sun, Ping Lv, Xueying Wang, Feifei Zhang   +6 more
semanticscholar   +1 more source

Downhole vibration characteristics of 3D curved well under drillstring–bit–rock interaction

International Journal of Non-Linear Mechanics, 2023
Mingjie Cai, Dan Mao, Xia Li, Hao Peng, Leichuan Tan, Yun Gui, X. Yin   +6 more
semanticscholar   +1 more source

Nonlinear analysis on the impact wear characteristics of casing based on drillstring dynamics

Geoenergy Science and Engineering, 2023
Liangjie Mao, Maoyuan Ma, Mingjie Cai, Pengxiang Zhang   +3 more
semanticscholar   +1 more source

Extension limit analysis of drillstring with drag reduction oscillators in horizontal drilling

Geoenergy Science and Engineering, 2023
Xiaolei Shi, Wenjun Huang, D. Gao, Nanlin Zhu, Wenlong Li   +4 more
semanticscholar   +1 more source

Pattern Recognition of Stick-slip Vibration in Combined Signals of DrillString Vibration

Measurement, 2022
Yafeng Li, Qilong Xue, Jin Wang, Chong Wang, Yonggang Shan   +4 more
semanticscholar   +1 more source

A Drillstring Blowout Preventer

Proceedings of SPE/IADC Drilling Conference, 1986
R.A. Cunningham, J.W. Stevens
openaire   +1 more source

Nonlinear Dynamics of Tricone Bit-Drillstring Coupling System in Deviated Wellhole with Air Circulating

Journal of Vibration Engineering & Technologies
Pan Fang, Xiao Huang, Yong Zhang, Haibiao Wang, Yancai Gao, Huohai Yang   +5 more
semanticscholar   +1 more source

Nonlinear rub-impact characteristics of drillstring-wellbore and wear quantitative evaluation method

Geoenergy Science and Engineering
Feng Tang, Yongsheng Liu, Jianxin Xia, Shangyu Yang, Jianguo Lv   +4 more
semanticscholar   +1 more source

Experimental analysis of drillstring vibrations using a small-scale drilling rig

Nonlinear dynamics
Ahmed Al Shekaili, K. O. Afebu, Yang Liu, E. Papatheou   +3 more
semanticscholar   +1 more source