Results 11 to 20 of about 192,897 (314)

A mathematical framework for modelling and evaluating natural gas pipeline networks under hydrogen injection [PDF]

open access: yesInternational Journal of Hydrogen Energy, 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   +5 more sources

Development of transverse excitation MFL inline detector

open access: yesYou-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

Analysis and Suggestions on Hydraulic Calculation of Regional Natural Gas Pipelines Under Different Working Conditions

open access: yes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

Study on the Influence of OVPD on Pipeline Interference [PDF]

open access: yesCailiao 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

Automatic welding technologies for long-distance pipelines by use of all-position self-shielded flux cored wires

open access: yesNatural 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

Study of the Effects of Simulation High Voltage Direct Current on the Corrosion of X65 Pipeline Steel in Shanghai Soil [PDF]

open access: yesCailiao 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

Pressure Fluctuations in Natural Gas Networks caused by Gas-Electric Coupling [PDF]

open access: yes, 2015
The development of hydraulic fracturing technology has dramatically increased the supply and lowered the cost of natural gas in the United States, driving an expansion of natural gas-fired generation capacity in several electrical inter-connections.
Backhaus, Scott   +4 more
core   +1 more source

Prediction of oil-water mixing laws in oil-water replacement of product oil pipeline

open access: yesYou-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]

open access: yes, 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

Natural Gas Implementation in Turkey. Part 2: Natural Gas Pipeline Projects

open access: yesEnergy Sources, 2004
The Caspian Sea (CS) region's oil and gas potential has attracted much attention since the breakup of the Soviet Union. The nations in the CS region, namely Azerbaijan, Iran, Kazakhstan, Russia, Turkmenistan, and Uzbekistan, are already major energy producers, and production will increase with additional investment, technology, and the development of ...
Özturk, Harun Kemal, Hepbasli, A.
openaire   +5 more sources

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