多元材料复合改性水泥浆体系  

A Modified Cement Slurry Prepared with Compound Material

作　　者：李早元[1] 郭小阳[1] 罗平亚[1] 

机构地区：[1]西南石油大学

出　　处：《钻井液与完井液》2008年第1期33-35,共3页Drilling Fluid & Completion Fluid

基　　金：中国石油天然气集团公司重点研究项目(03A20203)

摘　　要：利用胶乳、纤维及弹性颗粒材料多元复合增效原理,开发出了多元材料复合改性水泥浆。实验评价结果表明,该水泥浆具有流变性好、失水量低、零析水、直角稠化、稠化时间可调等特点,其水泥环具有抗腐蚀、抗冲击振动破碎能力以及较强力学形变能力,其优良的液态性能和固态性能不仅可以满足固井安全施工要求和凝固后长期力学耐久性能要求,还能有效防止水泥浆在凝结过程中和凝固后发生气窜。A cement slurry prepared with compound materials(latex,fiber and elastic particles)was developed.Laboratory evaluation showed that the slurry had a good rheology,a low fluid loss,zero free water,a straight consistency profile and an adjustable thickening time.Set cement of this cement slurry had a stable performance in corrosion environment,and had a higher strength against shock stresses,and deformation.Good performance of the slurry both at fluid and solid states satisfied the requirement imposed by cement job and downhole conditions,Gas-channeling can be avoided during cement setting and after set.

关 键 词：水泥浆 水泥浆添加剂 固井 固井质量 力学性能 

分 类 号：TE256.6[石油与天然气工程—油气井工程]