Results 11 to 20 of about 28,936 (307)

Video Detection of Small Leaks in Buried Gas Pipelines

open access: yesIEEE Access, 2023
For the problem of difficult tracking of small leaks in buried gas pipelines, a video detection of small leaks in buried gas pipelines method is proposed for the detection robot inside buried gas pipelines.
Yuxin Zhao   +3 more
doaj   +1 more source

Evaluation of the Application Effect and Improvement Method of Corrosion Monitoring Technology for Buried Thermal Insulation Pipelines [PDF]

open access: yesCailiao Baohu, 2023
In order to further clarify the cathodic protection effect of buried thermal insulation pipeline,improve the cathodic protection monitoring technology,reduce oilfield maintenance costs and ensure the safe operation of buried insulation pipeline in ...
XUE Kailin, HU Zhiqiang, LIU Lele
doaj   +1 more source

Experimental Study on Thermal Insulation Effect of the Buried Oil-Gas Pipelines in Permafrost Regions

open access: yesGeofluids, 2022
In permafrost regions, long distance buried pipelines are widely used to transport oil and natural gas resources. However, pipeline problems occur frequently due to the complicated surrounding environment and transportation requirement of positive ...
Deren Liu   +5 more
doaj   +1 more source

Analysis of the Propagation Characteristics of Acoustic Waves From Leakages in Buried Gas Pipelines

open access: yesIEEE Access, 2023
In order to accurately detect the leakages in buried gas pipelines and to reduce the leakage amount and false alarms, the propagation characteristics of acoustic waves owing to leakages in buried gas pipelines are analyzed.
Song Liu   +4 more
doaj   +1 more source

Corrosion study of pipeline material for seabed sediment in tropical climate [PDF]

open access: yes, 2020
Corrosive environments such as marine sediments can cause corrosion to steel pipelines at any time when certain conditions are met. Seabed sediment could cause severe corrosion damage due to its corrosiveness to the pipelines buried under it.
Abdullah, A H   +6 more
core   +2 more sources

Shaking table tests on buried pipelines in inhomogeneous soil under transverse non-uniform excitation

open access: yesYantu gongcheng xuebao, 2021
A series of multi-point shaking table tests are conducted on model pipelines to investigate the seismic response of pipelines buried in inhomogeneous soil under transverse non-uniform seismic excitation.
HAN Jun-yan , GUO Zhi-ke , LI Li-yun , HOU Ben-wei , GAO Yun-hao , DU Xiu-li
doaj   +1 more source

Experimental and numerical study of shallow‐buried high‐density polyethylene pipeline under collapse touchdown impact

open access: yesEnergy Science & Engineering, 2022
The debris from structures produced during the blasting demolition of engineered buildings (structures) may fall near buried pipelines, which threaten the integrity of the buried gas pipeline.
Zhaotun An, Qiao Tang, Hu Li, Peng Zhang
doaj   +1 more source

Shaking table tests on buried pipelines in inhomogeneous soil under longitudinal non-uniform seismic excitation

open access: yesYantu gongcheng xuebao, 2021
The seismic response of buried pipelines is primarily affected by the spatial variation characteristics of earthquake motion and the soil inhomogeneity.
HAN Jun-yan 1, GUO Zi-ke , LI Man-jun , LI Li-yun , HOU Ben-wei , DU Xiu-li
doaj   +1 more source

Research on mechanical response of buried steel pipelines under continuous collapse

open access: yesYou-qi chuyun, 2021
Formation collapse is one of the common geological hazards for the buried long-distance pipelines. In order to study the mechanical response law of the buried steel pipelines under continuous collapse, experiments and numerical simulations of buried ...
Peng LIU   +5 more
doaj   +1 more source

Using Finite Element Method for Stress-Strain Evaluation of Commonly Used Buried Pipelines in Fault

open access: yesEnergies, 2022
In different kinds of buried pipelines, L245 and L360 are the most used which are chosen by the China Pipeline Design Institute. For studying the stress and deformation characteristics of buried pipelines with different specifications across faults, this
Ning Tan   +9 more
doaj   +1 more source

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