METHOD FOR INCREASING THE ECONOMIC EFFICIENCY OF THE USE OF ANTI-TURBULENT ADDITIVES

The relevance of the study is caused by the need to increase the economic efficiency of pumping oil and petroleum products by reducing hydraulic losses and removing the formed water accumulations using anti- turbulent additives. This method of using additives is energy-saving, minimizing the operating costs of transporting oil and petroleum products. The main aim: to identify and propose the use of anti-turbulent additives as a way to increase the flow rate of the pumped medium to remove the formed local stationary water formations on the local lowlands of the pipeline profile, leading to decrease in its effective diameter and increase in hydraulic losses. Objects: accumulated water formations on a low-lying section of the linear part of the main oil product pipeline. Methods: mathematical analysis of the anti-turbulent additive impact to assess the prospects for its energy- efficient use as a way to increase the flow rate of the transported medium, technical and economic calculation reflecting the cost of anti-turbulent additive and electricity during pumping. Results. The authors have analyzed the methods for calculating the remote flow velocity of the transported medium and proposed the method for calculating the concentration of anti-turbulent additives necessary to achieve an outrigger velocity by the fluid flow, if it is impossible to increase the permissible working pressure due to the limited bearing capacity of the pipeline. The article considers the effect of increasing the effective diameter of the pipeline, which is a side effect of the influence of anti-turbulent additive, which on the one hand increases the hydraulic efficiency of the additive, and on the other hand, reduces the power consumption of electricity after termination of additive injection. The results of calculating the economic feasibility of using the anti-turbulent additive and a comparative analysis of the cost of pumping with and without anti-turbulent additive are presented. The corresponding analytical dependencies for evaluating the effectiveness are considered.