Petroleum sulfonates preparation and evaluation for chemical enhanced oil recovery in colombian oil fields

Zarith del Pilar Pachón Contreras, F. Ruíz, Miguel Jose Rondon Anton, J. Prada, Freddy Alexander Pulido Solano
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引用次数: 5

Abstract

espanolEn el presente trabajo se describe un metodo eficiente para la preparacion de sulfonatos de petroleo. Los sulfonatos de petroleo se prepararon a partir de cinco cortes de refineria diferentes y se caracterizaron por espectroscopia de infrarrojo y ultravioleta. Su afinidad relativa hidrofilica lipofilica se evaluo mediante la realizacion de comportamientos de fase. Los tensoactivos preparados se evaluaron en formulaciones para Recobro Quimico Mejorado demostrando que, bajo las condiciones de evaluacion, las relaciones de solubilizacion aumentan con la similitud estructural que existe entre el petroleo crudo y las moleculas del surfactante utilizado. Se confirma que, cuando se utilizan como surfactantes secundarios, los sulfonatos de petroleo aqui preparados permiten alcanzar parametros de solubilizacion relativamente elevados. EnglishAn efficient method for preparing petroleum sulfonates is described in this article. Petroleum sulfonates were prepared from five different refinery cuts and characterized by infrarred and ultra-violet spectroscopy. Their hydrophilic-lipophilic relative afinity was assessed by performing phase behavior scans. The prepared surfactants were evaluated in formulations for Chemical Enhanced Oil Recovery (CEOR), showing that, under the evaluation conditions, the solubilization ratios increase with the structural similarity between the crude oil and the surfactant molecules. It was confirmed that, when used as secondary surfactants, the petroleum sulfonates here prepared allow to achieve relatively high solubilization parameters. portuguesNo presente trabalho e descrito um metodo eficiente para a preparacao de sulfonatos de petroleo. Os sulfonatos de petroleo sao preparados a partir de cinco cortes de refinaria diferentes e sao caracterizados por espectroscopia de infravermelho e ultravioleta. Sua afinidade relativa hidrofilica lipofilica foi avaliada mediante a realizacao de comportamentos de fase. Os tensoativos preparados foram avaliados em formulacoes para Recuperacao Quimica Melhorada demonstrando que, sob as condicoes de avaliacao, as relacoes de solubilizacao aumentam com a semelhanca estrutural que existe entre o petroleo cru e as moleculas do surfactante utilizado. Confirma-se que, quando sao utilizados como surfactantes secundarios, os sulfonatos de petroleo aqui preparados permitem atingir parâmetros de solubilizacao relativamente elevados.
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哥伦比亚油田石油磺酸盐制备及化学提高采收率评价
本工作描述了一种高效的石油磺酸盐制备方法。摘要本研究的目的是评价在不同炼油厂切割中制备的石油磺酸盐,并利用红外和紫外光谱对其进行表征。它们的相对亲水亲脂亲和力是通过相行为来评估的。对所制备的表面活性剂进行了评价,结果表明,在评价条件下,随着原油与所使用的表面活性剂分子结构的相似,其增溶比增加。结果表明,当用作二次表面活性剂时,所制备的石油磺酸盐具有较高的溶解参数。EnglishAn有效条preparing petroleum sulfonates is公民in this method。= =地理= =根据美国人口普查,这个县的土地面积为。= =地理= =根据美国人口普查,这个县的面积为。对所制备的表面活性剂进行了化学提高采收率(CEOR)配方评价,结果表明,在评价条件下,由于原油与表面活性剂分子的结构相似,其增溶率增加。它证实,当用作二次表面活性剂时,所制备的石油磺酸盐可以达到相对较高的溶解参数。本文介绍了一种制备石油磺酸盐的有效方法。石油磺酸盐是由五种不同的炼油厂切割制备的,并通过红外和紫外光谱对其进行了表征。通过相行为评价其相对亲水亲脂亲和力。对所制备的表面活性剂进行了评价,以提高其化学回收率,结果表明,在评价条件下,随着原油与表面活性剂分子结构的相似性,其溶解关系增大。结果表明,当用作二次表面活性剂时,所制备的石油磺酸盐具有较高的溶解值。
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