Results 31 to 40 of about 32,660 (169)

Contents and technical requirements for overhaul of Ruhr pumps

You-qi chuyun, 2020
With the extension of service period of Shanshan-Lanzhou Oil Pipeline, Ruhrp pumps needed overhauling, for which the guidance of specific technical requirements would be required.
Bin PU, Wendong YAN
doaj   +1 more source

Discussion on repair technology of girth weld defects of high-grade steel pipelines

You-qi chuyun, 2020
In recent years, as for the frequent occurrence of failure accidents of high-grade steel pipelines caused by girth weld cracking, great attention has been drawn to the quality of girth weld and defect repair of high-grade steel pipelines. In terms of the
Rongguang LI, Wei ZHANG, Zhen ZHAO, Jing YU, Bin TANG, Xu SUN, Manli DI, Yajun WANG   +7 more
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Vulnerability assessment method and its application in oil and gas pipeline industry

You-qi chuyun, 2023
The vulnerability assessment method is mainly used to explore the security process of a system, with wide application in the fields of hazard management, ecology and engineering.
YAN Bingchuan, FENG Qingshan, ZHANG Hong, YANG Yue, ZHANG Han, SUN Chao, CHEN Jian, LIU Xiaoben   +7 more
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Development and application of pneumatic-electric hybrid magnetic flux leakage detector for gas transmission pipelines

You-qi chuyun
[Objective] This paper focuses on developing a pneumatic-electric hybrid magnetic flux leakage(MFL) detector, examining and verifying its technical advantages to overcome challenges in using traditional air compressor-driven MFL detectors in both newly ...
YIN Cunzhi, WANG Jialiang, LIU Dongyang, ZHANG Chao, WANG Lu, HU Yanchun   +5 more
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Study of the effect of salt deposition on production capacity and storage capacity in underground gas storage

Frontiers in Earth Science
Underground gas storage (UGS) is the most economical and effective means to guarantee stable gas supply. During gas production process, the evaporation of formation water leads to the increase of water content in the gas, and the salinity of the ...
Ren Zhongxin, Yang Xiaoping, Chang Dawei, Wang Ning, Meng Da   +4 more
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A Highly Hydrophobic and Flame-Retardant Melamine Sponge for Emergency Oil Spill Response

Nanomaterials
Frequent crude oil spills during offshore oil and gas production and transportation have inflicted irreversible detrimental effects on both human activities and marine ecosystems; with particular risks of secondary disasters such as combustion and ...
Chengyong Zheng, Bo Wang, Wei Xie, Shuilai Qiu   +3 more
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Numerical Simulation and Experimental Study of the Pneumo-Electric Hybrid-Driven Pipeline Inspection Robot in Low-Pressure Gas Pipeline

Journal of Marine Science and Engineering
Intelligent pipeline inspection is necessary to operate submarine pipelines safely. At present, speed excursion and blockage are the challenges in the inspection of low-pressure gas pipelines.
Yuming Su, Lijian Yang, Hao Geng, Ping Huang, Fuyin Zheng, Wenxue Zheng, Pengfei Gao   +6 more
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Method for detection of deformation stress of large-diameter and high-pressure pipeline under complex terrain

You-qi chuyun, 2020
China-Russia Eastern Gas Pipeline is characterized by ultra-large diameter, high grade steel (X80) and high pressure rating. It is located in the area with geologically active permafrost and semi-permafrost zones in the north, where is prone to ...
Yukun LI, Yuxing LI, Yu ZHANG, Peng LIU, Wenguang YU   +4 more
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Numerical Study and Optimization of Speed Control Unit for Submarine Natural Gas Pipeline Pig

Journal of Marine Science and Engineering
The speed control of a pipeline inspection gauge (PIG) directly affects the quality of the comprehensive inspection of submarine pipelines. However, the mechanism of the gas flow behavior in a pipeline under the influence of a pig speed control valve is ...
Yuming Su, Lijian Yang, Hao Geng, Ping Huang, Fuyin Zheng, Wenxue Zheng, Pengfei Gao   +6 more
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Heating performance test on double-channel heater of single-circuit vortex tube

You-qi chuyun, 2020
Single-Circuit Vortex Tube (SCVT) heater possesses high performance on safety and energy saving in terms of online heating of natural gas pipeline pressure regulating system.
Kai WANG, Bingliang ZHAO, Xin OUYANG, Feng YAN, Yubin WANG, Haifeng WANG   +5 more
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