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Experimental investigation and mathematical modeling of oil/water emulsion separation effectiveness containing alkali-surfactant-polymer
Journal of Dispersion Science and Technology ( IF 2.2 ) Pub Date : 2020-03-14 , DOI: 10.1080/01932691.2020.1738244
Waqas Aleem 1 , Nurhayati Mellon 2 , Javed Akbar Khan 3 , Hussain H. Al-Kayiem 4
Affiliation  

Abstract

Alkalis, surfactants and/or polymers are usually injected in the injector wells so that the injection fluids can sweep through the reservoir and mobilize/recover more oil. However, the formation of stable emulsion due to the residual chemicals in the recovered crude oil poses problems in the primary separation process. This study focuses on the effect of Alkali-Surfactant-Polymer injection on creaming and coalescence of crude oil and water emulsion produced in the primary gravity separator. In addition, a model is developed in this work to predict the separation effectiveness of oil and water emulsion containing ASP. In this work, the effect of ASP on the stability and the separation of crude oil water emulsion is investigated using the Turbiscan light transmission and back scattering device. The range of concentration of ASP used in this work is same as that found in the primary gravity separator. The investigation revealed that ASP plays an important role in the stability of the emulsion. A new model based on Stokes law and incorporating coalescence phenomena for the prediction of separation profile of oil and water in terms of separated layer profile is developed. The model is validated with experimental data obtained from the Turbiscan light transmission and backscattering device. The model is able to predict the separation profile of an oil-water emulsion containing ASP with excellent agreement.



中文翻译:

含碱-表面活性剂-聚合物的油/水乳液分离效果的实验研究和数学建模

摘要

碱、表面活性剂和/或聚合物通常被注入注入井中,以便注入流体可以扫过油藏并动员/回收更多的油。然而,由于回收原油中的残留化学物质而形成的稳定乳液在初级分离过程中造成了问题。本研究的重点是碱-表面活性剂-聚合物注入对初级重力分离器中产生的原油和水乳液的乳油化和聚结的影响。此外,在这项工作中开发了一个模型来预测含 ASP 的油水乳液的分离效果。在这项工作中,使用 Turbiscan 光透射和背向散射装置研究了 ASP 对原油水乳液稳定性和分离的影响。在这项工作中使用的 ASP 的浓度范围与在初级重力分离器中发现的相同。研究表明,ASP 对乳液的稳定性起着重要作用。开发了一种基于斯托克斯定律并结合聚结现象的新模型,用于根据分离层剖面预测油水分离剖面。该模型通过从 Turbiscan 光传输和反向散射设备获得的实验数据进行验证。该模型能够以极好的一致性预测含有 ASP 的油水乳液的分离曲线。开发了一种基于斯托克斯定律并结合聚结现象的新模型,用于根据分离层剖面预测油水分离剖面。该模型通过从 Turbiscan 光传输和反向散射设备获得的实验数据进行验证。该模型能够以极好的一致性预测含有 ASP 的油水乳液的分离曲线。开发了一种基于斯托克斯定律并结合聚结现象的新模型,用于根据分离层剖面预测油水分离剖面。该模型通过从 Turbiscan 光传输和反向散射设备获得的实验数据进行验证。该模型能够以极好的一致性预测含有 ASP 的油水乳液的分离曲线。

更新日期:2020-03-14
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