聚合物弹性微球油层保护剂的研究  

A Study on an Elastic Polymeric Micro-bead Reservoir Protection Additive.

作　　者：裴建忠[1] 吕开河[2] 王树永[1] 刘天科[1] 李文明[1] 任玉峰[3] 

机构地区：[1]胜利石油管理局黄河钻井总公司,山东东营 [2]中国石油大学(华东),山东东营 [3]胜利石油管理局河口采油厂,山东东营

出　　处：《钻井液与完井液》2009年第2期28-29,共2页Drilling Fluid & Completion Fluid

摘　　要：针对目前油层保护剂存在的缺陷,经过室内研究,研制出了兼具保护油层、防塌、降滤失作用的聚合物弹性微球油层保护剂,且该油层保护剂不起泡,无增稠性。考察了聚合物弹性微球油层保护剂对钻井液性能的影响,进行了岩心污染和煤油反排解堵、砂床封堵及页岩滚动回收率测试,并分析了其保护油层作用机理。结果表明,该油层保护剂具有一定的封堵能力,抑制防塌能力强,高温降滤失效果好,保护油气层效果显著。An elastic polymeric micro-beads reservoir protection additive was designed. This additive also has advantages such as shale inhibition, non-viscosifying and does not generate foam when added to drilling fluids. Laboratory studies were done the its inhibitive capacity, permeability impairment and other properties, and the mechanism of reservoir permeability protection using this additive was analyzed. Good results such as shale inhibition, HT filtration control and reservoir protection etc., were obtained.

关 键 词：防止地层损害 钻井完井液 钻井液添加剂 钻井液性能 

分 类 号：TE254.4[石油与天然气工程—油气井工程]