Results 11 to 20 of about 190,941 (296)
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 +6 more
doaj +1 more source
Study for Hydrogen Migration Characteristics in the Elbow of a Hydrogen-Doped Natural Gas Pipeline under Normal Transport and Shutdown Conditions [PDF]
ACS OmegaJiuqing Ban +6 more
doaj +2 more sources
南方能源建设, 2023 [Introduction] Pipeline hydraulic calculation is an important component of the natural gas transmission and distribution system. Applying this theory allows for the analysis of relationships between the pipeline diameter, the flow velocity, the pressure ...
Gengxin CAI
doaj +1 more source
A mathematical framework for modelling and evaluating natural gas pipeline networks under hydrogen injection [PDF]
, 2008 This article presents the framework of a mathematical formulation for modelling and evaluating natural gas pipeline networks under hydrogen injection. The model development is based on gas transport through pipelines and compressors which compensate for ...
Azzaro-Pantel, Catherine +3 more
core +1 more source
Study on the Influence of OVPD on Pipeline Interference [PDF]
Cailiao Baohu, 2021 A buried steel pipeline paralleled with the subway line has been seriously interfered by the metro stray current.The rail ground potential protection device inside the subway station was frequently switched on.Through synchronous monitoring of the rail ...
WANG Lei-lei, GE Cai-gang, MOU Xiao-liang, JIANG Ka-ke, LIU Guo, DU Yan-xia
doaj +1 more source
Study of the Effects of Simulation High Voltage Direct Current on the Corrosion of X65 Pipeline Steel in Shanghai Soil [PDF]
Cailiao Baohu, 2022 In order to study the effects of high voltage direct current (HVDC) grounding pole on the corrosion of pipelines, the corrosion behavior and the variation regularity of corrosion current density of X65 pipeline steel in Shanghai soil with direct current ...
LI De - ming, WANG Hong - xin
doaj +1 more source
Natural Gas Industry B, 2014 In order to realize the automatic welding of pipes in a complex operation environment, an automatic welding system has been developed by use of all-position self-shielded flux cored wires due to their advantages, such as all-position weldability, good ...
Zeng Huilin +4 more
doaj +1 more source
Prediction of oil-water mixing laws in oil-water replacement of product oil pipeline
You-qi chuyun, 2021 In order to study the oil-water mixing law in the oil-water replacement of product oil pipeline and to reduce the oil-water mixture produced in the process, a numerical model of the oil-water replacement of a product oil pipeline in Yunnan was ...
Li GU +3 more
doaj +1 more source
The storage capacity of underground gas storages in the Czech republic [PDF]
, 2019 Sources of natural gas are in most cases located in remote areas far from the places where the gas is utilized, i.e. especially developed industrial countries to which it is transported via pipeline. However, transit gas pipelines, which are transporting
Bujok, Petr, Klempa, Martin, Ryba, Jakub
core +1 more source
Transient mechanism model of hydrate slurry flow in oil-dominated flowlines
You-qi chuyun, 2021 In the high pressure and low temperature conditions during the production and transportation of deep-sea oil and gas, hydrate is formed easily, which could cause pipeline blockage.
Shangfei SONG +7 more
doaj +1 more source