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一种新型油基压裂液 预览 被引量:3

A NEW TYPE OF OIL BASE FRACTURING FLUID
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摘要 低渗透气藏储层是一般具有渗透率低、泥质含量高的特征。不经过水力压裂,该类气藏就不能有效地投入开发。而水基压裂液对泥质含量高的水敏性低渗透地层伤害极大,故研究油基压裂液在我国具有重大的现实意义。介绍了一种新型的油基压裂液,该压裂液是有用酸酯铝稠化剂和一种油溶性活化剂配置而成,克服了现有油基压裂液的一系列缺点;提出了活化剂用量,凝胶表观粘度,抗剪切能力,破胶剂破胶能力,滤失性能,岩心伤害率等实验数据, The tight reservoir is of the characteristics of low permeability and high shale content.This kind of gas reservoirs can not be effectively developed without hydraulic fracturing.The research on oil base fracturing fluid is very significant in China for water base fracturing fluid has great damage to the water sensitivity light formation with high shale content.A new type of oil base fracturing fluid made from phoshate aluminum thickening agent and oil soluble activator is introduced,which overcomes a series of the shortcomings of oil base fracturing fluid,the experiment data,within the property scope of high quality oil base fracturing fluid,of activator volume,gel apparent viscosity,anti shearing,gel breaking capability,filtration property,core damage etc.are proposed out.The fracturing fluid has the characteristics of good flowability,low freezing point,easily dissoluting,uneasily aging,less formation damage,easily discharging and compounding,easily constructing etc.
作者 杨旭 吴小玲 Yang Xu(Southwest Petroleum Institute),Wu Xiaoling,Peng Kezhong
机构地区 西南石油学院
出处 《天然气工业》 EI CAS CSCD 北大核心 1997年第4期 56-59,共4页 Natural Gas Industry
关键词 水力压裂 油基压裂液 压裂添加剂 稠化剂 油田 Low permeability reservoir,Hydraulic fracturing,Oil base fracturing fluid,Thickener,Activator,Property,Evaluation,Formation damage.
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