驱油剂对固井质量影响实验EXPERIMENTS OF THE OIL-DISPLACING AGENT INFLUENCES ON THE CEMENTING QUALITY
谢宝君,王连生,芦庆成
XIE Baojun,WANG Liansheng,LU Qingcheng
摘要(Abstract)：
大庆油田自20世纪90年代中期进入三次采油阶段,通过注入聚合物和三元驱油剂提高采收率,保持了油田高产稳产。为了研究新型驱油剂对新钻井固井质量的影响,开展了聚合物、三元驱油剂侵入钻井液、水泥浆以及聚合物、三元驱油剂养护水泥石室内实验。实验表明,新型驱油剂对钻井液、水泥浆性能影响均大于地层水,其中三元驱油剂对钻井液和水泥浆的影响最大。通过实验,进一步认清了三次采油驱油剂影响固井质量的因素,为完善钻井完井工艺设计提供了依据,有助于提高这类地区的固井质量。
Since 1990 s,Daqing Oil field had entered the tertiary recovery phase.The injected polymer and ASP enhance the oil recovery have played an important role in the stability of the oil production.In order to research the influences of new oil displacing agent on the cementing quality of the newly drilled wells,the following indoor experiments are carried out:the polymer and ASP invading the drilling fluid and cement slurry and moreover the cement stone cured by the polymer and ASP.The test shows that the new oil displacing agents have a greater influence than that of the formation water on the drilling fluid and cement slurry performances.In detail,the impacts of the ASP are the most.Through this experiment,the affecting factors of the EOR agents on the cementing quality are further made clear,the evidences for improving the drilling and completion technology designs are presented,these achievements are beneficial to improve the cementing quality in this area.
关键词(KeyWords)：
聚合物;三元驱油剂;钻井液;水泥浆;固井质量
polymer;ASP oil-displacing/flooding agents;drilling fluid;cement slurry;cementing quality
基金项目(Foundation): 中国石油天然气股份有限公司发展战略与科技基础工作决策支持研究“质量计量标准化研究”(2012D-5010)
作者(Author):
谢宝君,王连生,芦庆成
XIE Baojun,WANG Liansheng,LU Qingcheng
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