Results 1 to 10 of about 53,263 (253)
Parameter prediction of coiled tubing drilling based on GAN–LSTM [PDF]
Scientific Reports, 2023 With the increasing development of coiled tubing drilling technology, the advantages of coiled tubing drilling technology are becoming more and more obvious.
Wanxing Zhang +3 more
doaj +3 more sources
Analysis of sinusoidal post-buckling deformation of horizontal coiled tubing with initial residual bending. [PDF]
PLoS ONEIn the process of horizontal well construction, the working environment in the well is very complicated. It is difficult to determine the actual deformation and force of the coiled tubing in the wellbore from the load change at the wellhead along.
Zhuang Li +3 more
doaj +3 more sources
Buckling load of bending coiled tubing under an injector
Advances in Mechanical Engineering, 2018 When coiled tubing is applied in high oil–gas wells, buckling load of a coiled tubing under the injector is the key for functionality. The coiled tubing is curved, but it is simplified to straight tubing for buckling load solved in the past.
Zhaoliang Zhu
exaly +2 more sources
Jixie qiangdu, 2023 Aiming at the problem of aggravated wear of coiled tubing caused by buckling in underground, a contact wear model between compression buckling coiled tubing and wellbore was established based on submodel method.
LI Gang +5 more
doaj +2 more sources
Petroleum Exploration and Development, 2012 By analyzing the relationship between measured values of pressure loss in a high-pressure hose and calculated values of metal tubing pressure loss formula under the same condition, a calculation formula of pressure loss in a high-pressure hose is revised
Zhongwei Huang, Jilei Niu
exaly +3 more sources
Research on Coiled Tubing Operation Data Safety Evaluation Technology and Software Development
Shiyou jixie, 2021 To improve the comprehensive ability of coiled tubing equipment in complex well conditions and reduce operational safety accidents, coiled tubing safety assessment technology is studied based on field operation data. Using the micro-element analysis idea,
Yu Zhijun +6 more
doaj
Motion Mechanism and Friction Analysis of Fluid Flow in the Curved Coiled Tubing
Shiyou jixie, 2020 The curveture of the wellbore directly affects the bending state of the coiled tubing in the well and the motion characteristics and friction of the fluid in the coiled tubing.
Tong Shaokai, Gao Deli, Yue Yanfang
doaj
The Effect of Pit Defect Parameters on Fatigue Failure of Coiled Tubing
Shiyou jixie, 2020 To study the relationship between pit defect parameters and fatigue failure of coiled tubing, a finite element model of coiled tubing with defects was established, and was verified by tests.
Liu Shaohu +3 more
doaj
Buckling Load of Bending Coiled Tubing below the Injector Head
Shiyou jixie, 2018 In the application of coiled tubing in high-pressure oil and gas wells, the buckling load of the coiled tubing between the injector head and the stripper is an important parameter to determine the construction safety.
Zhu Zhaoliang +4 more
doaj
Research and Application Analysis of Coiled Tubing Straightening
Shiyou jixie, 2020 The coiled tubing has an initial curvature after passing the injector. To address the problem of buckling of coiled tubing with initial curvature under axial load in the hole, the coiled tubing with initial curvature at the wellhead is taken as the ...
Xue Jijun, Bai Zhe, Fu Yang
doaj