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Because the oil is a kind of non-renewable resource, it is essential to enhance the oil recovery of the developed oil fields. Usually, as the remaining potential for exploitation of oil field after the secondary oil recovery is nearly 60% ~ 70%, so the tertiary recovery is always the subject of research for the petroleum experts around the world. Polymer flooding technology is successfully used in...
In this paper, a new active agent is investigated, which can be used in the condition of high temperature and high salinity, including the ability to reduce interfacial tension and interfacial tension stability, and the preparation of polymer surfactant flooding system with this active agent. Oil displacement experiment is operated by the physical simulation, the homogeneous and heterogeneous artificial...
Oily sludge, produced mostly in petroleum refineries and petrochemical industries, is one of the major industrial wastes that require treatment. The objective of this work was to recovery oil by washing of oily sludge with nonionic and anionic surfactant. To compare experimental results, three surfactants were used: sodium dodecylbenzene sulfonate (DBS), alkyl phenol polyoxyethylene ether (OP-10)...
Although, the effects of ultrasonic irradiation on multiphase flow through porous media have been studied in the past few decades, the physics of the acoustic interaction between fluid and rock is not yet well understood. Various mechanisms may be responsible for enhancing the flow of oil through porous media in the presence of an acoustic field. Capillary related mechanisms are peristaltic transport...
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