Enhancement of Hydrodynamic Processes in Oil Pipelines Considering Rheologically Complex High-Viscosity Oils

This paper describes a mathematical model of flow-related hydrodynamic processes for rheologically complex high-viscosity bitumen oil and oil-water suspensions and presents methods to improve the design and performance of oil pipelines

Method of the flow zone indicator collector determining

This article discusses the use of computed tomography to measure the specific surface of a porous carbonate reservoir in order to calculate the flow zone indicator (FZI) of reservoir. The object of the study were Upper Tournaisian substage carbonate reservoirs at one of the oil fields of Nurlatsky oil zone, located on the eastern side of Melekess depression Volga-Ural anteclise. A reservoir model of a hydraulic unit is obtained for each studied sample. Based on research it can be concluded that the parameter is strongly associated with FZI facies and depositional processes and also for the quantitative characteristics may be used successfully FZI computed-tomographic technique, by determining the specific area in contact with the fluid surface

Hybrid Technologies in District Heating Systems

This paper describes methods of improving district heating systems based on hybrid technologies and presents results of best-performing structure of district heating systems

Comparative Analysis of Thermohydraulic Performance of Enhanced Viscous Oil and Oil Product Heaters

© Published under licence by IOP Publishing Ltd. This paper covers the analysis of positive and negative effects produced when enhanced helical hollow beams are installed into oil and oil product heaters if compared to the baseline designs. Special attention is given to the consideration of effect on the complex rheology of high-paraffin oils

Technical and Economic Analysis of Injecting Enhancers into High-Paraffin Oil Heaters

© Published under licence by IOP Publishing Ltd. This paper covers an algorithm of how to optimize the selection of preferred solutions to upgrade heat-exchange equipment. The algorithm is discussed in terms of high-paraffin oil heaters as compared with other heat-exchange surface features

5.委員会活動 診療材料検討委員会

This paper describes methods of improving district heating systems based on hybrid technologies and presents results of best-performing structure of district heating systems

Correlation of balanced socio-economic development of the city and its attractiveness (in the case of Russian cities with population over a million citizens)

© 2015, Mediterranean Center of Social and Educational Research. All rights reserved. This article evaluates balanced socio-economic development of the city and its influence on the territorial attractiveness. The hypothesis, that the cities which are developed in socio-economic balance are more attractive and more competitive, is taken as a base of the research. The article classifies the cities according to their level of balance and evaluates the rate of Russian cities with population over a million

Study of reservoir properties of carbonate rocks based on analysis of reservoir quality index

The article presents the reservoir properties of carbonate rocks by analyzing the factors that characterize the filtration cell reservoir rocks: reservoir quality index, free fluid index, flow zone indicator. These factors are usually used for clastic reservoirs in order to isolate the flow units - rock volume has certain geological and petrophysical properties, as well as a unified hydraulics. It was believed that such a definition for the carbonate rocks is problematic. However, studies have shown the possibility of allocating the flow units in the carbonate deposits subject to the provision of good reservoir rocks and determination of litho-genetic type of carbonate rocks. For the analysis considered several litho-genetic types. It was found that the best collectors are limestone bioclastic-zoogene type. The coefficients revealed the Flow Units in all productive carbonate deposits considered deposits. Allocation of volumes of rocks possessing common hydraulics allows more correctly carry out operational activities