Results 1 to 10 of about 54,426 (117)

A Decade Review of the Art of Inspection and Monitoring Technologies for Long-Distance Oil and Gas Pipelines in Permafrost Areas

Energies, 2023
Long-distance oil and gas pipelines buried in permafrost areas will inevitably encounter typical geological disasters, such as frost heave and thaw settlement and sliding, which easily cause pipeline displacement, bending, or deformation.
Rui Li, Xiaoben Liu, Pengchao Chen
exaly   +3 more sources

Editorial: Pipeline inspection robots. [PDF]

Front Robot AI
Mihaylova L, Kakogawa A, Ma S, Choi HR, Nakamura T.   +4 more
europepmc   +2 more sources

Alignment method of pipeline internal and external inspection data and its application

You-qi chuyun, 2022
In order to fully mine the useful information of the internal and external inspection data of pipeline, the external inspection data is aligned against the internal inspection data, forming an alignment database of internal and external inspection based ...
Ming ZHU, Xiaohong JIANG, Xiaohui LI, Chunhui LI, Jing YANG, Chenglei LIU   +5 more
doaj   +1 more source

Structural design and sealing performance of a composite wear-resistant cup for pipelines with diameter of 355.6 mm

You-qi chuyun, 2021
In order to reduce the partial abrasion of the cup of pig and detector in pigging and detection under some special conditions, the causes for partial abrasion of cup were analyzed in depth, a structural design scheme of composite wear-resistant cup for ...
Zhenbei LI, Zilin WANG, Weiquan LI, Zheng LIU, Xiaohui LI, Yu CHEN, Zhenyu ZHONG, Zhen ZHAO   +7 more
doaj   +1 more source

Research and design of speed control unit for composite pipeline detector with diameter of 813 mm

You-qi chuyun, 2021
In order to carry out the theoretical research and the structural design of speed control unit for the composite pipeline detector with diameter of 813 mm, a calculation model concerning the deceleration capability of speed control unit was established ...
Zhenbei LI, Yuan ZHANG, Weiquan LI, Ye LIANG, Chunhui LI, Tonglong CHU   +5 more
doaj   +1 more source

Design and implementation of magnet probe for inline detector of oil and gas multi-diameter pipeline

You-qi chuyun, 2021
For the conventional magnetic flux leakage detector could not meet the requirements for inspection of long-distance oil and gas multi-diameter pipelines, a mechanical structure of magnet probe of multi-diameter detector was developed.
Hui ZENG, Yi QIANG, Zilin WANG, Zheng LIU, Gangsheng BAI, Ziling GAO   +5 more
doaj   +1 more source

Inspection and evaluation of AC protection facilities for solid state decouplers

You-qi chuyun, 2021
With the rapid development of national infrastructures, public corridors such as electricity, traffic and energy are increasing day by day, and the AC interference corrosion of buried pipelines has attracted much more attention.The solid state decoupler ...
Guang-ji SHEN, Kai-feng LIU, Yi-wei ZHAN, Liu HE   +3 more
doaj   +1 more source

Structural design and sealing performance of cup in diameter-variable pipeline detector

You-qi chuyun, 2020
The diameter-variable oil and gas pipeline detector is a kind of pipeline detection device that can simultaneously conduct in-service detection on pipelines with different diameters within the interval of a pig launching and receiving station.The ...
Zhenbei LI, Gangsheng BAI, Na DANG, Jing YANG, Chao YU   +4 more
doaj   +1 more source

Application test of energy-saving coating on crude oil pipeline heater

You-qi chuyun, 2020
The fuel energy consumption of heater accounts for a large proportion of the total energy consumption ofcrude oil pipeline transportation. Energy-saving coating can increase the tube blackness and wall reflectivity of the heaterwithout changing its ...
Entao HUANG, Hongjun DONG, Teng PAN, Guangxiang HOU, Weichun CHANG, Haishan LIU, Jianbin WANG, Guohao LIU   +7 more
doaj   +1 more source

Development of transverse excitation MFL inline detector

You-qi chuyun, 2020
A transverse excitation magnetic flux leakage (MFL) inline detector, with a diameter of 711 mm, was developed in response to the difficulty in detecting axial metal loss defects of long-distance oil and gas pipelines.
Chao YU, Yongjiang ZHANG, Yanchun LI, Yanxu ZANG, Jinxing WANG, Chuanbo LIN, Huan REN   +6 more
doaj   +1 more source