加速聚合物溶解的超强传质技术研究及应用

doi:10.3969/j.issn.1006-6535.2025.02.017

特种油气藏 ›› 2025, Vol. 32 ›› Issue (2): 131-136.DOI: 10.3969/j.issn.1006-6535.2025.02.017

加速聚合物溶解的超强传质技术研究及应用

赵文森^1,2, 张健^1,2, 舒政³, 朱诗杰⁴

1.海洋油气高效开发全国重点实验室,北京 100027;
2.中海油研究总院有限责任公司,北京 100027;
3.西南石油大学油气藏地质及开发工程全国重点实验室,四川成都 610500;
4.重庆科技大学石油与天然气工程学院,重庆 401331

收稿日期:2024-05-25 修回日期:2025-01-19 出版日期:2025-04-25 发布日期:2025-06-16
作者简介:赵文森(1980—),男,高级工程师,2003年毕业于西南石油学院石油工程专业,2006年毕业于西南石油大学油气田开发工程专业,获硕士学位,现从事海上油气田开发及生产相关研究工作。
基金资助:
中国海洋石油集团有限公司科研院所联合攻关科技项目“BZ28-2S油田4-1185砂体调堵增效技术研究”(2023-GX-13)

Study and application of super mass transfer technology for accelerated polymer dissolution

ZHAO Wensen^1,2, ZHANG Jian^1,2, SHU Zheng³, ZHU Shijie⁴

1. National Key Laboratory of Efficient Offshore Oil and Gas Development, Beijing 100027, China;
2. CNOOC Research Institute Co., Ltd., Beijing 100027, China;
3. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
4. School of Petroleum Engineering, Chongqing University of Science and Technology, Chongqing 401331, China

Received:2024-05-25 Revised:2025-01-19 Online:2025-04-25 Published:2025-06-16

摘要/Abstract

摘要： 海上平台空间有限,聚合物驱技术在海上油田的大规模应用受到限制,聚合物加速溶解是支撑聚合物驱技术在海上油田规模化实施的关键技术之一。为此,通过对超强传质深化速溶装置的填料孔孔径、传质因子、传质环结构、进料速度等因素进行优化研究,以期获得最佳的应用参数。研究表明:超强传质速溶装置填料孔孔径越小、传质因子越大,聚合物的溶解越快,但孔径过小、传质因子过大会造成较大的黏度损失;传质环组合不同,聚合物溶解时间缩短率与聚合物溶液的黏度损失不同,传质环结构为300 μm×1 038(外环)+200 μm×1 307(内环)时的传质效果最佳;进料速度对聚合物的溶解时间和黏度影响较小。现场应用结果表明:引入超强传质深化速溶装置后,质量浓度为2 500 mg/L的聚合物母液溶解时间由41 min缩短至19 min,聚合物配注系统占地面积减小50.23%,运行质量减少53.6%,成功实现了配注系统的小型化和高效化,有效节约了平台空间。该技术可为海上油田聚合物驱技术的高效应用提供技术保障。

关键词: 聚合物驱, 溶解速率, 超强传质技术, 海上平台

Abstract: Due to the limited space on offshore platforms, the large-scale application of polymer flooding technology in offshore oilfields is restricted. Accelerated polymer dissolution is one of the key technologies to support the scaled implementation of polymer flooding in offshore oilfields. To this end, optimization studies have been conducted on factors such as the packing pore size of the enhanced super mass transfer rapid dissolution device, the mass transfer factor, the structure of the mass transfer ring, and the feed rate, in order to obtain the optimal application parameters. The study shows that smaller packing pore sizes and higher mass transfer factors lead to faster polymer dissolution. However, excessively small pore sizes and high mass transfer factors can cause significant viscosity loss. Different combinations of mass transfer rings result in varying degrees of reduction in polymer dissolution time and viscosity loss of the polymer solution. The best mass transfer effect is achieved with a mass transfer ring structure of 300 μm × 1 038 (outer ring) + 200 μm × 1 307 (inner ring). The feed rate has a relatively minor impact on the dissolution time and viscosity of the polymer. The site application results show that after the introduction of the enhanced super mass transfer rapid dissolution device, the dissolution time of polymer mother liquor with a mass concentration of 2 500 mg/L is reduced from 41 minutes to 19 minutes. The footprint of the polymer preparation and injection system is decreased by 50.23%, and the operational mass is reduced by 53.6%. The system has successfully achieved miniaturization and high efficiency, effectively saving platform space. This technology provides a technical guarantee for the efficient application of polymer flooding in offshore oilfields.

Key words: polymer flooding, dissolution rate, super mass transfer technology, offshore platform

中图分类号:

TE357.46

赵文森, 张健, 舒政, 朱诗杰. 加速聚合物溶解的超强传质技术研究及应用[J]. 特种油气藏, 2025, 32(2): 131-136.

ZHAO Wensen, ZHANG Jian, SHU Zheng, ZHU Shijie. Study and application of super mass transfer technology for accelerated polymer dissolution[J]. Special Oil & Gas Reservoirs, 2025, 32(2): 131-136.

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加速聚合物溶解的超强传质技术研究及应用

Study and application of super mass transfer technology for accelerated polymer dissolution

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