Friction-wear failure mechanism of tubing strings used in high-pressure, high-temperature and high-yield gas wells

X Guo, J Liu, L Dai, Q Liu, D Fang, A Wei, J Wang - Wear, 2021 - Elsevier
This study establishes a flow-induced nonlinear vibrations (FINV) model of tubing string
using micro-finite element and energy methods along with the Hamilton variational principle …

Influence of contact load on the dry sliding wear performance of 7075 aluminum alloy

LJ Mao, X He, MJ Cai, LQ Qian - Experimental Techniques, 2023 - Springer
In this research, the influence of contact load on the tribological behavior of AA7075
petroleum casing is systematically investigated by a pin-on-disc wear test in a simulated air …

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

L Mao, M Ma, M Cai, P Zhang - Geoenergy Science and Engineering, 2023 - Elsevier
Casing integrity is significant for subsequent drilling and production and prediction of casing
wear accurately helps to reduce casing damage. Thus, this study aims to represent the …

Effects of sliding speed on the tribological behavior of AA 7075 petroleum casing in simulated drilling environment

L Mao, M Cai, Q Liu, Y He - Tribology International, 2020 - Elsevier
This work investigated the effects of sliding speed on tribological behavior of AA 7075
petroleum casing in simulated drilling environment by pin-on-disc wear test. The main wear …

Theoretical and numerical study on residual strength of worn casing considering wellbore curvature

Q Zhang, T Liao, L Ding, H Yang, Z Lian - Geoenergy Science and …, 2023 - Elsevier
Casing wear induced by frictional contact of rotating drill string with casing, will lead to
casing structure integrity failure, casing strength degradation, well life shortening and huge …

Analysis of factors affecting drilling friction and investigation of the friction reduction tool in horizontal wells in Sichuan

Y Chen, C He, X Zhou, H Yu - Advances in Mechanical …, 2019 - journals.sagepub.com
Based on field data and the related theories, the effects of drill string length, rotation speed,
trajectory, and drilling fluid density on the friction during horizontal well drilling are analyzed …

A calculation method for ultimate and allowable loads in high-pressure thick-walled worn casing

J Shi, Q Zhang, Z Lian, L Ding, Z Wan - Ocean Engineering, 2024 - Elsevier
Casing wear has become a critical issue in oil and gas drilling, significantly reducing casing
burst strength. As exploration and development progress, the number of high-pressure, ultra …

Experimental and theoretical study on the mechanical properties of titanium alloy drill pipe in short radius and long horizontal wells

X Peng, H Yu, Z Lian, Q Zhang - Journal of the Brazilian Society of …, 2021 - Springer
Titanium alloy drill pipe as a new type of drill pipe has attracted much attention in the field of
unconventional oil and gas development. In order to study the performance of titanium alloy …

复合磨损套管爆裂失效机理及剩余强度预测.

邓宽海, 张明, 彭阳, 周念涛, 姚明远… - Natural Gas …, 2024 - search.ebscohost.com
超深井, 水平井, 大位移井等复杂油气井服役工况异常恶劣, 套管复合磨损严重,
将对井筒完整性构成巨大威胁, 且磨损套管剩余强度难以精准预测. 为此, 基于塔里木盆地塔中北 …

Analysis of sealing mechanical properties of fracturing packer under complex conditions

Z Liu, S Li, L Zhang, F Wang, P Wang, L Han… - Journal of Failure …, 2019 - Springer
As the core component of the fracturing tool, the packer cartridge plays a vital role in a
horizontal well stimulation and transformation process (Sun and Bai in Pet Explor Dev 44 …