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首页> 外文期刊>Fuel >Development of oxazolidines derived from polyisobutylene succinimides as multifunctional stabilizers of asphaltenes in oil industry
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Development of oxazolidines derived from polyisobutylene succinimides as multifunctional stabilizers of asphaltenes in oil industry

机译：石油工业中作为沥青质多功能稳定剂的聚异丁烯琥珀酰亚胺衍生的恶唑烷的开发

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摘要

The aim of the research presented herein was to develop novel multifunctional stabilizers of asphaltenes (Asph) for the control of fouling in different stages of petroleum industry. Novel stabilizers were obtained from the reaction between polytsobutenyl succinic anhydride (PIBSA), 2-(2-aminoethylamino)ethanol (AEAE) and an R-substituted aldehyde, resulting in three 2-R-(polyisobutylenesuccinimidyl)oxazolidines as prototypes of multifunctional Asph stabilizers, where R is -H (PI), -C_5H_(11) (P2) or -orttho(OH)C_6H_4 (P3). Compounds P1-3 were characterized by FTIR, ~1H, ~(13)C and 2D NMR spectroscopies, and assessed in four different types of evaluations: (ⅰ) Asph dispersion by UV-vis, (ⅱ) displacement of Asph onset precipitation, at ambient conditions, (ⅲ) inhibition of electric field induced deposition of Asph, and (ⅳ) displacement of Asph onset precipitation, at reservoir conditions. All the latter individual efficiencies were included in a multifunctional development factor (MDF) resulted in 0.626 for PI, 0.326 for P2, and 0.679 for P3, where the higher value corresponded to the highest efficiency. For comparison purposes, two commercial stabilizers of Asph were also evaluated, resulting in MDF of 0.012 and 0.162, being P1-3 clearly better multifunctional chemicals. Best novel prototype was selected for industrial evaluation by taking into account technical and economic criteria, thus P1 compound was chosen as active component of DAIM chemical and was successfully assessed at industrial scale in a production well of Petroleos Mex-icanos (PEMEX) to control Asph fouling. The continuous injection of DAIM produced important benefits to the oil well productivity, such as the decrease of the frequency of cleaning operations from 11 to 4 in a one-year evaluation period and the reduction of production rate decay from -1.48 to -0.032 m~3/day, ca. 46 times less in comparison when the well was operated without Asph stabilizer.
机译：本文提出的研究的目的是开发新型的沥青质多功能稳定剂（Asph），以控制石油工业不同阶段的结垢。从聚叔丁烯基琥珀酸酐（PIBSA），2-（2-氨基乙基氨基）乙醇（AEAE）和R-取代的醛之间的反应中获得了新型稳定剂，得到了三个3-R-（聚异丁烯琥珀酰亚胺基）恶唑烷作为多功能Asph稳定剂的原型，其中R是-H（PI），-C_5H_（11）（P2）或-orttho（OH）C_6H_4（P3）。通过FTIR，〜1H，〜（13）C和2D NMR光谱对化合物P1-3进行表征，并在四种不同类型的评估中进行了评估：（ⅰ）紫外可见的Asph分散，（ⅱ）Asph起始沉淀的置换，在储层条件下，（ambient）抑制电场诱导的Asph沉积，以及（ⅳ）Asph起始沉淀的位移。后者的所有个人效率都包含在多功能开发因子（MDF）中，PI的效率为0.626，P2的效率为0.326，P3的效率为0.679，其中较高的值表示最高的效率。为了进行比较，还评估了两种商业上的Asph稳定剂，得到的MDF为0.012和0.162，显然是P1-3更好的多功能化学品。考虑到技术和经济标准，选择了最佳的新型原型进行工业评估，因此选择了P1化合物作为DAIM化学品的活性成分，并在墨西哥国油（PEMEX）的生产井中成功进行了工业规模的评估，以控制Asph结垢。 DAIM的连续注入对油井生产率产生了重要的好处，例如在一年的评估期内将清洗操作的频率从11个减少到4个，并将生产率衰减从-1.48减少到-0.032 m〜。 3 /天，约在没有Asph稳定剂的情况下操作井时，相比而言少46倍。

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  • 来源
    《Fuel》 |2013年第8期|293-301|共9页
  • 作者

    Violeta Y. Mena-Cervantes; Raul Hernandez-Altamirano; Eduardo Buenrostro-Gonzalez; Hiram I. Beltran; Luis S. Zamudio-Rivera;

  • 作者单位

    Programa de Ingenieria Molecular, Grupo de Quimica Aplicada a la lndustria Petrolera, Instituto Mexicano del Petroleo, eje Central Lazaro Cardenas No. 152 col. San BartoloAtepehuacan, Mexico, DF 07730, Mexico;

    Programa de Ingenieria Molecular, Grupo de Quimica Aplicada a la lndustria Petrolera, Instituto Mexicano del Petroleo, eje Central Lazaro Cardenas No. 152 col. San BartoloAtepehuacan, Mexico, DF 07730, Mexico;

    Programa de Ingenieria Molecular, Grupo de Quimica Aplicada a la lndustria Petrolera, Instituto Mexicano del Petroleo, eje Central Lazaro Cardenas No. 152 col. San BartoloAtepehuacan, Mexico, DF 07730, Mexico;

    Departamento de Ciencias Naturales, DCNI, Universidad Autdnoma Metropolitana (UAM), Unidad Cuajimalpa, Pedro Antonio de los Santos 84, San Miguel Chapultepec, DF 11850, Mexico;

    Programa de Ingenieria Molecular, Grupo de Quimica Aplicada a la lndustria Petrolera, Instituto Mexicano del Petroleo, eje Central Lazaro Cardenas No. 152 col. San BartoloAtepehuacan, Mexico, DF 07730, Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Asphaltene inhibition; Fouling; Heavy organics; Petroleum; Polyisobutylene succinimide;

    机译：沥青质抑制;结垢;重有机物;石油;聚异丁烯琥珀酰亚胺;

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