棉籽底油W/O乳状液堵剂的制备及性能评价

doi:10.11885/j.issn.1674-5086.2019.01.10.01

西南石油大学学报(自然科学版) ›› 2020, Vol. 42 ›› Issue (2): 182-188.DOI: 10.11885/j.issn.1674-5086.2019.01.10.01

• 石油机械与油田化学 • 上一篇

棉籽底油W/O乳状液堵剂的制备及性能评价

董瑞强^1,2, 郅轲轲³, 郭良辉⁴, 何龙², 李恩田⁵

1. 中国石化西北油田分公司实验中心, 新疆乌鲁木齐 830011;
2. 中国石化缝洞型油藏提高采收率重点实验室, 新疆乌鲁木齐 830011;
3. 中国石油大学(北京)克拉玛依校区, 新疆克拉玛依 834000;
4. 中国石油大学(北京)机械与储运工程学院, 北京昌平 102249;
5. 常州大学石油工程学院, 江苏常州 213164

收稿日期:2019-01-10 出版日期:2020-04-10 发布日期:2020-04-10
通讯作者: 郭良辉,E-mail:292678309@qq.com
作者简介:董瑞强,1985年生,男,汉族,河北邢台人,工程师,主要从事提高采收率实验技术研究。E-mail:395743433@qq.com;郅轲轲,1991年生,女,汉族,河南周口人,讲师,主要从事吸附材料方面的研究工作。E-mail:zhikeke@cupk.edu.cn;郭良辉,1988年生,男,汉族,河南周口人,硕士研究生,主要从事提高采收率实验技术研究。E-mail:292678309@qq.com;何龙,1980年生,男,汉族,新疆克拉玛依人,高级工程师,博士,主要从事油气田开发工程技术研究。E-mail:80893338@qq.com;李恩田,1977年生,男,汉族,江苏常州人,副教授,博士,主要从事油气储运工程相关研究。E-mail:let@cczu.edu.cn
基金资助:
国家科技重大专项（2016ZX05053-008）；中国石油大学（北京）克拉玛依校区科研启动基金资助（YJ2018B02002）

Preparation and Performance Evaluation of W/O Emulsion Plugging Agent Based on Cottonseed Bottom Oil

DONG Ruiqiang^1,2, ZHI Keke³, GUO Lianghui⁴, HE Long², LI Entian⁵

1. Experiment Center, Sinopec Northwest Oilfield Branch Company, Urumqi, Xinjiang 830011, China;
2. SINOPEC Key Laboratory for EOR Improvement in Fracture-Cavity Reservoir, Urumqi, Xinjiang 830011, China;
3. Karamay Campus, China University of Petroleum(Beijing), Karamay, Xinjiang 834000, China;
4. School of Machinery, Storage and Transportation Engineering, China University of Petroleum, Changping, Beijing 102249, China;
5. School of Petroleum Engineering, Changzhou University, Changzhou, Jiangsu 213164, China

Received:2019-01-10 Online:2020-04-10 Published:2020-04-10

摘要/Abstract

摘要： 棉籽底油为棉籽榨油时的副产物，废弃的棉籽底油会造成严重的环境污染和资源浪费，首次提出使用乳化的棉籽底油作为一种选择性堵剂。选用合适的复配乳化剂配制出了高含水的棉籽底油W/O乳状液并进行了性能评价。使用流变仪对乳状液的增黏区间进行了研究，结果表明，最大增黏区间可以达到80%；使用分油率研究了乳状液的稳定性，乳状液的稳定性随着含水量的增加而增强；对棉籽底油乳化体系进行耐温抗盐能力评价，棉籽底油乳状液可以耐110℃高温，抗2×10⁴ mg/L的钙离子；利用流性指数研究了不同含水量乳状液的流变性，含水量越高，假塑性越弱；填砂管驱替实验表明棉籽底油乳状液对水和油的封堵率分别为98%和15%，具有良好的封堵性和油水选择性。

关键词: 棉籽底油, W/O乳状液, 选择性, 油井堵水, 流变性

Abstract: Cottonseed oil is a by-product of cottonseed oil press. Waste cottonseed oil will cause serious environmental pollution and waste of resources. In this paper, emulsified cottonseed oil is first used as a selective plugging agent. The W/O emulsion of cottonseed bottom oil with high water content was prepared by using suitable compound emulsifier and its performance was evaluated. The viscosifying interval of emulsion was studied by rheometer. The results show that the maximum viscosifying interval can reach 80%. The stability of the emulsion was studied by oil fraction. The stability of the emulsion increased with the increase of water content. The temperature and salt resistance of the cottonseed oil emulsification system was evaluated. The cottonseed oil emulsion could withstand high temperature at 110℃ and 2×10⁴ mg/L. Calcium ion; Newtonian properties of emulsions with different water content were studied by flow behavior index. The results showed that the higher water content, the weaker pseudoplasticity; sand-filled tube displacement experiment showed that the water and oil plugging rates of cottonseed oil emulsions were 98% and 15%, respectively, with good plugging performance and oil-water selectivity.

Key words: cottonseed wasted-oil, W/O emulsion, selectivity, oil well plugging water, rheology

中图分类号:

董瑞强, 郅轲轲, 郭良辉, 何龙, 李恩田. 棉籽底油W/O乳状液堵剂的制备及性能评价[J]. 西南石油大学学报(自然科学版), 2020, 42(2): 182-188.

DONG Ruiqiang, ZHI Keke, GUO Lianghui, HE Long, LI Entian. Preparation and Performance Evaluation of W/O Emulsion Plugging Agent Based on Cottonseed Bottom Oil[J]. 西南石油大学学报(自然科学版), 2020, 42(2): 182-188.

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棉籽底油W/O乳状液堵剂的制备及性能评价

Preparation and Performance Evaluation of W/O Emulsion Plugging Agent Based on Cottonseed Bottom Oil

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