陕西科技大学学报（自然科学版）Issue(1)：101-104,4.
致密油藏低伤害醇基压裂液体系的研究与应用
The research and application of low damage alcohol-based fracturing fluid in tight oil reservoir
摘要
Abstract
Tight oil reservoir has the characteristics of low permeability , small throat and high filler content ,therefore the fracturing fluid must have properties of low damage ,strong ability of backflow and anti-swelling .The polyhydroxy-alcohol fracturing fluid system with low molecular weight ,low viscosity (base fluid viscosity is less than 10) ,gel breaking effec-tively and easy backflow was prepared .Rheological properties ,the content of residue ,the static filtration characteristics ,surface tension ,gel breaking liquid anti-swelling properties and core damage have been tested in lab .Results of lab testing show that the shear perform-ance is stronger ,fracturing fluid can be fully breaking without residue ,and fracturing fluid has low filtration rate ,low surface tension ,better anti-swelling property and low formation damage .Ten well tests received significant effect ,which the average backflow rate is 80%and average oil increment is 6 m3/d .关键词
致密油藏/压裂液/低伤害/多羟基醇/交联剂/破胶剂Key words
tight oil reservoir/fracturing fluid/low damage/polyhydroxy-alcohol/crosslink-ing agent/gel breaker分类
能源科技引用本文复制引用
石道涵,张兵,于浩然,蒋廷学,蒲春生..致密油藏低伤害醇基压裂液体系的研究与应用[J].陕西科技大学学报（自然科学版）,2014,(1):101-104,4.基金项目
国家科技重大专项项目（2011ZX05009-004）；国家自然科学基金项目 （）
