高温高盐油藏空气驱起泡剂研制及性能评价

doi:10.3969/j.issn.1006-6535.2022.03.017

特种油气藏 ›› 2022, Vol. 29 ›› Issue (3): 118-123.DOI: 10.3969/j.issn.1006-6535.2022.03.017

高温高盐油藏空气驱起泡剂研制及性能评价

刘子铭^1,2, 葛际江^1,2, 师小娟^1,2, 张天赐^1,2, 郭洪宾^1,2, 李隆杰^1,2

1.中国石油大学(华东),山东青岛 266580;
2.山东省油田化学重点实验室,山东青岛 266580

收稿日期:2021-06-21 修回日期:2022-03-05 出版日期:2022-06-25 发布日期:2023-01-09
通讯作者: 葛际江(1972—),男,教授,1994年毕业于石油大学(华东)应用化学专业,2005年毕业于中国石油大学(华东)油气田开发工程专业,获博士学位,现主要从事油田化学方向研究工作。
作者简介:刘子铭(1996—),男,2018年毕业于西南石油大学石油工程专业,现为中国石油大学(华东)油气田开发工程专业在读硕士研究生,主要从事提高采收率研究工作。
基金资助:
中国石油重大科技项目“塔里木盆地深层油气高效勘探开发理论及关键技术研究”(ZD2019-183-007)

Development and Performance Evaluation of Foaming Agent for Air Flooding in Reservoirs with High Temperature and Salinity

Liu Ziming^1,2, Ge Jijiang^1,2, Shi Xiaojuan^1,2, Zhang Tianci^1,2, Guo Hongbin^1,2, Li Longjie^1,2

1. China University of Petroleum (East China), Qingdao, Shandong 266580, China;
2. Shandong Key Laboratory of Oilfield Chemistry, Qingdao, Shandong 266580, China

Received:2021-06-21 Revised:2022-03-05 Online:2022-06-25 Published:2023-01-09

摘要/Abstract

摘要： 为筛选适合高温高盐油藏的起泡剂,对烷基二苯醚二磺酸盐(2A1)、α-烯烃磺酸盐(AOS)、羧甲基聚氧乙烯烷基醇醚(AEC10)以及6种甜菜碱表面活性剂进行起泡性能研究。结果表明:2A1、AOS和AEC10的发泡率低、泡沫稳定性差;甜菜碱表面活性剂中含酰胺基的羟磺基甜菜碱的发泡率高,不含酰胺基的羟磺基甜菜碱的泡沫稳定性好;同类甜菜碱表面活性剂中碳链长的稳泡性能好,碳链短的发泡率高;复配碳链长度不同的羟磺基甜菜碱得到泡沫性能良好的复合起泡剂S11和S12,并对其进行热稳定性评价,发现分子中含酰胺基的S11在110 ℃下具有较好的热稳定性,而分子中不含酰胺基的S12在130 ℃下热稳定性较好。研究结果对高温高盐油藏起泡剂的选择具有理论指导意义。

关键词: 高温高盐油藏, 起泡剂, 甜菜碱, 发泡率, 热稳定性

Abstract: To select foaming agents applicable to reservoirs with high temperature and salinity, foaming performance studies were conducted on alkyl diphenyl ether disulfonate (2A1), alpha olefin sulfonate (AOS), carboxymethyl polyoxyethylene alkyl ether (AEC10) and six betaine surfactants. The results showed that, 2A1, AOS and AEC10 had low foaming rate and poor foam stability; among betaine surfactants, the hydroxysulfobetaine with amide groups was high in foaming rate and the hydroxysulfobetainehas without amide groups was sound in foaming performance; among similar betaine surfactants, the surfactants with long carbon chain had good foam stability and the surfactants with short carbon chain had high foaming rate; the hydroxysulfobetaine with different carbon chain lengths was compounded to obtain compound foaming agents S11 and S12 with excellent foaming performance, and their thermal stability was evaluated; it was found that S11 with amide groups had better thermal stability at 110 ℃, and S12 without amide groups had better thermal stability at 130 ℃. The study results provide a theoretical guidance for the selection of foaming agents applicable to reservoirs with high temperature and salinity

Key words: reservoirs with high temperature and salinity, foaming agent, betaine, foaming rate, thermal stability

中图分类号:

TE357

刘子铭, 葛际江, 师小娟, 张天赐, 郭洪宾, 李隆杰. 高温高盐油藏空气驱起泡剂研制及性能评价[J]. 特种油气藏, 2022, 29(3): 118-123.

Liu Ziming, Ge Jijiang, Shi Xiaojuan, Zhang Tianci, Guo Hongbin, Li Longjie. Development and Performance Evaluation of Foaming Agent for Air Flooding in Reservoirs with High Temperature and Salinity[J]. Special Oil & Gas Reservoirs, 2022, 29(3): 118-123.

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高温高盐油藏空气驱起泡剂研制及性能评价

Development and Performance Evaluation of Foaming Agent for Air Flooding in Reservoirs with High Temperature and Salinity

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