Optimal bit selection for large-diameter wellbore drilling in an ultra-deep well by Lili CHEN, Wenzhe LI, Jianhua GUO, Ke LI, Zhixiang CAI, Jie WU, Weining XU, Xiaohua ZHU

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Improved stiff string torque and drag prediction using a computationally efficient contact algorithm by Sampath Liyanarachchi, Geoff Rideout

Subjects: “…Drill-string torque and drag…”
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Features of Bending Stresses Calculation for a Drill String Pipes at oil Well Drilling by Maryna G. Gegedesh, Victor M. Tkachev, Nikita V. Bocharov

Subjects: “…drill string…”
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The impact of multidirectional excitation on the stick–slip vibration characteristics of a drill string by Zhao Hongshan, Wang Wenchang, An Kaixian

Subjects: “…Drill string…”
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Influences of the Stiffness and Damping Parameters on the Torsional Vibrations’ Severity in Petroleum Drilling Systems by Mohamed Zinelabidine Doghmane

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Nonlinear Dynamic Modeling and Analysis of Drill Strings Under Stick–Slip Vibrations in Rotary Drilling Systems by Mohamed Zinelabidine Doghmane

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Dynamic Characteristics of Horizontal Drilling with Flexible Drill String Based on ABAQUS Explicit Dynamics by Liu Xin Huang Zhongwei Wu Xiaoguang Li Gensheng Shi Huaizhong Wang Jiarui Wang Minghao, Huang Zhongwei, Wu Xiaoguang, Li Gensheng, Shi Huaizhong, Wang Jiarui, Wang Minghao

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Fluid–Structure Interaction Study in Unconventional Energy Horizontal Wells Driven by Recursive Algorithm and MPS Method by Xikun Gao, Dajun Zhao, Yi Zhang, Yong Chen, Zhanzhao Gao, Xiaojiao Zhang, Shengda Wang

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Natural Frequency Analysis of a Stepped Drill String in Vertical Oil Wells Subjected to Coupled Axial–Torsional–Lateral Vibrations by Mohamed Zinelabidine Doghmane

Subjects: “…drill string vibrations…”
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A review of vertical drill-string mathematical modelling by Jasem M. Kamel, Asan G.A. Muthalif, Abdulazim H. Falah

Subjects: “…Drill-string vibrations…”
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Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration by Mohammad Javad Moharrami, Hodjat Shiri, Clóvis de Arruda Martins

Subjects: “…drill string…”
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Real-time lithology identification while drilling based on drilling parameters analysis with machine learning by Kun Li, Ting Ren, Ningping Yao, Jon Roberts, Haitao Song, Zhongbei Li, Chunmiao Liang

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Drill-String Vibration Suppression Using Hybrid Magnetorheological Elastomer-Fluid Absorbers by Jasem M. Kamel, Asan G. A. Muthalif, Abdulazim H. Falah

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Progress and understanding on geology-drilling engineering-mechanics coupling mechanism of ultra-deep directional wells by CHENG Hai,ZHANG Yiqun,WANG Yin,LIU Chao

Subjects: “…|geology-drilling engieering-mechanics coupling mechanism|ultra-deep directional well|3d geological modeling|geostress|rock-bit-drill string mechanical coupling…”
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Computer simulation of a drilling bit feed rate regulator comprising of a dc motor by O. V. Nikulin, V. A. Shabanov

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Joint Simulation Research on Drilling String Lifting Device Based on AMESim and ADAMS by Song Binghao, Wang Hanxiang, Zhang Heng, Liu Yanxin, Cai Wenjun, Chen Zhili

Subjects: “…drilling string…”
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