Results 1 to 10 of about 451,040 (269)
Comparison test of factors affecting wax deposition of waxy crude oil
You-qi chuyun, 2021 In order to study the influence of different wax deposition factors on the wax deposition law of Daqing Crude Oil, the influence factors such as different wax deposition time, oil wall temperature difference, temperature range and shear rate were ...
Zhaoyang LIU +7 more
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Early warning evaluation method of groundwater pollution risk in oil pipeline leakage
You-qi chuyun, 2021 Oil pipelines are characterized with long mileage, high risk of transportation medium and complex hydrogeological conditions. Once oil leaking occurs in environmentally sensitive areas, serious environmental pollution may be caused.
Yu DIAO +7 more
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A similarity based locating method of negative pressure wave caused by pipeline leakage
You-qi chuyun, 2021 The common negative pressure wave based pipeline leakage detection technology is to locate the leakage based on the time difference of the negative pressure wave reaching the upstream and downstream obtained by calculating the pressure drop point ...
Hongchao WANG +5 more
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Current status and development trend of oil and gas storage and transportation technologies
You-qi chuyun, 2021 During the 13th Five-year Plan, the domestic oil and gas storage and transportation business developed rapidly, which promoted the progress of oil and gas storage and transportation technologies.
Lele WANG +5 more
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You-qi chuyun, 2021 Due to the national requirements for keeping the surveying and mapping geographic information confidential, the sharing of long-distance pipeline coordinate data is always a difficulty for the application of informatization of the pipeline operators ...
Bao-long YANG +4 more
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You-qi chuyun, 2020 To solve the problems of insufficient power, high speed impact, high energy consumption, etc. of the detectors applied to large-diameter pipelines before the conventional cup-type pipelines are put into production, the self-driven inner detector suitable
Jianfeng ZHENG +6 more
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Scheme and optimization of mixed transportation of Jinhua Crude Oil Pipeline at normal temperature
You-qi chuyun, 2022 Jinhua Crude Oil Pipeline always transports Jidong crude oil and Russian crude oil in an alternating cold-hot mode. With the deterioration of Jidong crude oil in physical properties year by year, the allowable shutdown time of the pipeline is greatly ...
Jiahuan HE +7 more
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You-qi chuyun, 2021 At present, the biggest safety risk and accident source of pipeline systems can be attributed to the lack of sensing ability of buried pipelines to a large extent.
Bi-yuan SHUI +5 more
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You-qi chuyun, 2020 Many transnational oil and gas pipelines were constructed by the countries along the Belt and Road, but differentstandards of oil and gas pipelines were followed in different countries, resulting in various problems in design, construction andoperation ...
Bing LIU +6 more
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Identification and evaluation on bending deformation of China-Russia Eastern Gas Pipeline
You-qi chuyun, 2020 Local displacement and bending deformation of pipeline may occur under the action of external load. When superimposed with defects such as pipeline body corrosion, manufacturing or weld defects, the pipeline body will probably fail at the stress ...
Xiaoming ZHAO +6 more
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