摘要
介绍了水基压裂液低温破胶剂,包括氧化破胶剂、生物酶破胶剂和复合型破胶剂。简述了氧化破胶剂和生物酶破胶剂的作用机理与影响机制;分析了金属或金属螯合物、表面活性剂以及双氧化剂破胶体系、氧化还原破胶体系、三元复合破胶体系中的复配物对氧化破胶剂过硫酸盐的活化作用;总结了氧化破胶剂、生物酶破胶剂和复合型破胶剂的现场应用效果,对低温压裂液破胶剂的发展提出了建议。
Low temperature gel breakers for water-base fracturing fluid,including oxidation gel breaker,bio-enzyme gel breaker and composite gel breaker,are introduced. The action mechanism and the influencing mechanism of oxidation gel breaker and bio-enzyme gel breaker are discussed briefly; and activation action of metal or metal chelate,surfactant and double-oxidant gel breaking system,redox gel breaking system,and the compound of ternary composite gel breaking system on the oxidation gel breaker of persulfate is analyzed; the field application effect of oxidation gel breaker,bio-enzyme gel breaker and composite gel breaker are summarized; and some suggestions regarding the development of low temperature gel breakerfor fracturing fluid are presented.
作者
吴磊
WU Lei(College of Petroleum Engineering, Xi＇an Petroleum University, Xi＇an, Shaanxi 710065)
出处
《精细石油化工进展》
CAS
2018年第3期13-15,20,共4页
Advances in Fine Petrochemicals
基金
国家自然科学基金项目(51174163)
陕西省统筹科技创新项目(2016KTZDGY09-06-01)资助
关键词
水基压裂液
破胶剂
过硫酸盐
生物酶
破胶机理
water - base fracturing fluid
gel breaker
persulfate
bio - enzyme
gel breaking mechanism
