交联改性含硅原油破乳剂研究

doi:10.16597/j.cnki.issn.1002-154x.2023.02.005

交联改性含硅原油破乳剂研究

李怀阁¹∗ 翟洪金¹ 应珏¹ 胡金虎²

(1. 句容宁武高新技术发展有限公司,江苏 句容 212405; 2. 新疆塔里木油田建设工程有限责任公司 化学助剂厂,新疆 库尔勒 841000)

Study on Properties of Cross-linked Modified Silicon Containing Demulsifier for Crude Oil

Li Huaige ¹∗; Zhai Hongjin ¹; Ying Jue ¹; Hu Jinhu²;

(1. Jurong Ningwu High Tech Development Co. , Ltd. , Jiangsu Jurong 212405; 2. Chemical Auxiliary Plant, Xinjiang Tarim Oilfield Construction Engineering Co. , Ltd. , Xinjiang Kuerle 841000)

摘要:

目前油田所用聚醚类破乳剂普遍存在对不同原油乳状液普适性较差的问题。 为了研究交联改性含硅破乳剂对不同原油乳状液的破乳效果,作者先将硅烷偶联剂 KH570 醇解,再对聚醚破乳剂 C-16 进行交联改性制备新型含硅破乳剂 GJ-16。 对模拟原油乳状液,在破乳剂 GJ-16 加入量100 mg·L^-1 、恒温60 ℃时,2 h 脱水率可达90% 以 上;GJ-16 对塔里木油田东河站、哈六站现场原油乳状液也表现出了较好的普适性和低温破乳作用。

关键词：改性；含硅破乳剂；脱水率；

Abstract：

At present, polyether demulsifiers used in oil fields generally have poor universality for different crude oil emulsions. In order to study the demulsification effect of cross-linked modified silicon containing demulsifiers on different crude oil emulsions, in this paper, silane coupling agent KH570 is alcoholysis firstly, and then polyether demulsifier C - 16 is cross-linked to prepare a new silicon containing demulsifier GJ - 16. For simulated crude oil emulsion, the dehydration rate in 2 h can reach more than 90% when the demulsifier GJ - 16 dosage is 100 mg·L ^{- 1} and the constant temperature is 60 ℃ ; GJ - 16 also shows good universality and low-temperature demulsification effect on crude oil emulsion at Donghe station and Haliu station of tarim oilfield.

Keywords：cross-linking modification; silicon-containing demulsifier; dehydration rate;