Results 1 to 10 of about 432,108 (146)
Research on Leak Detection Algorithms Based on CNN-LSTM Neural Networks
Taiyuan Ligong Daxue xuebao, 2022 In the application of long-distance transmission pipeline, the explicit mathematical model method may not completely obtain all accurate values since the parameters along the line cannot be measured point by point.
Jiahao HAN +6 more
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Review of minimum requirements and development of guidance for weld spacing
Journal of Pipeline Science and Engineering, 2022 Follow-on work to a recently completed joint industry project pertaining to hot tap branch connections included the development of guidance on minimum spacing between various combinations of adjacent pipeline girth and appurtenance welds.
Bill Bruce +4 more
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Energies, 2022 The defects in the welds of energy pipelines have significantly influenced their safe operation. The inefficient and inaccurate detection of the defects may give rise to catastrophic accidents.
Haibin Wang +6 more
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Review of wax sedimentations prediction models for crude-oil transportation pipelines
Petroleum Research, 2022 Wax sedimentation in pipelines is a severe crude oil production and transportation challenge. Pipeline surface roughness is experienced at the early stages of the problem; with time, the effective pipe cross-sectional area is reduced due to pipeline wax ...
Ballo Mwendapole Lonje, Gang Liu
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Petroleum Research, 2022 Wax deposition in pipelines leads to pressure drop, reduced effective cross-sectional area, and blockages. Although mathematical models and experimental loops were used to model wax precipitation on pipeline surfaces, its prediction at molecular levels ...
Ballo Mwendapole Lonje, Gang Liu
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Journal of Pipeline Science and Engineering, 2021 Long-distance pipelines are one of the primary means of oil and gas transportation. During the construction process, long-distance pipelines are inevitably buried across geohazard zones, which potentially generate permanent ground displacements.
Qian Zheng +6 more
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Viscosity-reducing experiment of heavy oil emulsion by water bath and microwave heating
You-qi chuyun, 2021 In order to explore the viscosity reduction characteristics and mechanism of heavy oil emulsion by water bath and microwave heating, the comparative viscosity-reducing experiments by water bath and microwave heating were designed with the Venezuela heavy
Yunlong WANG +4 more
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Individual Fairness in Pipelines [PDF]
, 2020 It is well understood that a system built from individually fair components may not itself be individually fair. In this work, we investigate individual fairness under pipeline composition.
Dwork, Cynthia +2 more
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Journal of Pipeline Science and Engineering, 2021 Ground movements caused by continuous freezing and thawing of the ground in arctic regions can potentially lead to pipeline failures. There are many factors such as internal pressure, pipeline geometry, pre-crack, corrosion, and pre-existing dents that ...
M.M. Shahzamanian +4 more
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Safety assessment method for exposed crossing pipelines caused by river scouring
You-qi chuyun, 2021 Flood scouring the river bed where the directional drilling crossing pipeline is located may lead to pipeline exposure above the riverbed, as well as pipeline suspension and failure. The failure mechanism of pipeline during the whole process from initial
Chaowei HUANG, Yexin LUO, Song WANG
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