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33  Articles
1 of 4 pages  |  10  records  |  more records»
Throughout the production and reservoir lifecycle, the asphaltene precipitation is an ever existing problem through changing the porosity, permeability and wettability leading to decline in production. The conditions that govern Asphaltene precipitation v... see more

Minimum Miscibility Pressure (MMP) is regarded as one of the foremost parameters required to be measured in a CO2 injection process. Therefore, a reasonable approximation of the MMP can be useful for better development of injection conditions as well as p... see more

As part of an ongoing research into the stability of oil-field emulsions, model oils have been utilized to probe the effects of asphaltene interactions on crude oil/water emulsion stability. Asphaltenes were precipitated from treated Ondo State oil sand b... see more

Transformations of high-molecular-weight compounds of oil sand natural bitumen under the heat treatment are studied. For that purpose natural bitumen isolated from oil sand taken from the Beke field (Kazakhstan) was used as a substrate. Thermal processing... see more

The study of the properties and use of natural metalloporphyrins in the development of new highly selective methods for the oxygenation of hydrocarbons at moderate temperatures is an urgent problem. The present work is devoted to the extraction of metallo... see more

Multiple regression study of the influence of catalyst's characters with ?-Al2O3 as a support, including acidity, specific area, average pore volume, average pore radius, Ni content, and Mo content the hydrocracking conversion of asphaltene has been condu... see more

Asphaltenes, widely known as the “cholesterol of petroleum”, are the heaviest and most polarizable components of crude oil. They are known to be one of the largest causes for fouling in pipe walls, valves and other equipment resulting in the requirement o... see more

Synthesis and characterization of silica rice husk blend asphalt was carried out with a mass ratio of 1;0; 1:1,5; 1:1,6 and 1:1,7 respectively. Rice husk was prepared by sol-gel method as a raw material of silica. Asphalt and silica is mixed by using the ... see more

Asphaltene deposition is a major problem in petroleum industry causing slow production or even operational shutdown for removal of deposits. This research was conducted to obtain the best formulation of asphaltene dissolver to dissolve asphaltene deposits... see more

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