Abstract. To determine and diagnose the emissions from pipelines operating in the dynamic mode, the model is developed in real time, whereby the determination of the oil leakages volume is possible with sufficient accuracy. The stated methods assume the use of computer equipment and software. The use of sensitive devices and automation of data processing make it possible to achieve high accuracy of calculations. The developed techniques are meant to operate in systems of support and decision-making and expert systems. The rapid assessment results can be used by supervisory agencies to evaluate the damage in case of accidents and failures of pipelines.
The paper describes development stages for dismountable pipelines to work together with the major oil pipeline. Dismountable pipelines are used for transporting refined oil volumes over great distances in any climatic and geographical conditions. A dismountable construction provides technological pipeline schemes for rapid transportation and distribution of refined oil products to storage tanks. Subsequently, these products from containers can be utilized for various purposes.
Abstract.A mathematical model and a method for calculating the stress-strain state of a pipeline describing the heat-power interaction in the "underground pipeline -soil" system in the conditions of negative temperatures in the soils of soils are offered. Some results of computational-parametric research are presented.
The routes of the main, field, and process gas pipelines in the Arctic regions of Siberia run through territories with difficult climatic conditions. Along the route, there are areas with heaving soils, which can be used as natural bases only with the use of special anti-heaving measures, since that they are characterized by high mobility, low bearing capacity, uneven settlement and increased compressibility. This raises concerns about a decrease in the bearing capacity of permafrost soils in the territories of Taimyr, Yamal and other regions. The paper discusses various methods of the above-ground laying of pipelines on heaving soils. A pipeline construction option ensuring safer operation is proposed.
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