Abstract
Based on the study and analysis of technologies and technical means for transporting oil and gas through main pipelines, energy and material-saving methods of their construction are scientifically substantiated. A method for designing trunk oil and gas pipelines with variable wall thickness is proposed, which is possible under the conditions of the current interstate standard GOST 31447-2012. The technique is based on the use of methods of mathematical and statistical modeling and construction of a multifactor experiment and processing of experimental data. Based on the results of the construction of the model, the optimal parameters for the construction of pipelines were found, new technical solutions were proposed that would significantly reduce the energy and material consumption of laying pipes during one run, i.e. between transfer pumping stations.
Highlights
As it is known, the share of pipeline transport, especially for the main transportation of hydrocarbons, is about 56% for the delivery of natural gas, 41% for the movement of oil and 4% for the transportation of refined petroleum products [1]
The number of sections along the length of one stretch Lstr can be taken to be 2, 3 or 4, inclusive. These numbers depend on the peculiarities of the natural and climatic conditions of the main pipeline operation, as well as the technical conditions for transporting liquid and gas and the terrain
In the proposed method for transporting liquid and gas through the main pipeline, the transported liquid or gaseous substance is supplied under the maximum allowable pressure. It is performed through the main pipeline with the same nominal diameter Dout
Summary
The share of pipeline transport, especially for the main transportation of hydrocarbons, is about 56% for the delivery of natural gas, 41% for the movement of oil and 4% for the transportation of refined petroleum products [1]. For the successful competition of the main transport of hydrocarbons with other kinds of transport, the main factor should be a reduction in the cost of pumping. One of its essential components may be a reduction in the cost of energy and material resources. Analysis of modern literature shows that there are many developments, ways, as well as methods, and all of them are mainly aimed at reducing energy costs and less often devoted to saving material resources. The reduction in energy consumption can be achieved by saving (reducing) electricity to drive mainline pumps, namely [2]:
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