叠片式可膨胀套管扶正器设计  

Expandable Casing Centralizer with Laminations

作　　者：魏学成[1] 夏书林[2] 

机构地区：[1]胜利石油管理局黄河钻井总公司,山东东营257061 [2]西华大学学报编辑部,成都610039

出　　处：《石油矿场机械》2007年第2期56-58,共3页Oil Field Equipment

摘　　要：套管扶正器的作用是使套管在井眼内居中,保证固井时水泥浆均匀凝固在套管与井壁所形成的环形空间内,从而提高固井质量。传统的套管扶正器满足不了可膨胀套管的扶正要求。将套管扶正器环箍设计为可随膨胀管的膨胀而连续膨胀结构,成为叠片式可膨胀套管扶正器,解决了膨胀管在井眼内扶正居中的问题。The casing centralizer is used to centralize the casing in the bolehole to ensure the even solidification of cement slurry within the annular, which can improve the cement job quality. The conventional casing centralizer can not meet the requirements of expandable casing. To solve the centralization problem occurred with the expandable casing in the borehole, a new hoop structure, which can expand in accordance with the expandable casing, is invented.

关 键 词：套管扶正器 环箍 连续膨胀 膨胀管 居中 

分 类 号：TE931.203[石油与天然气工程—石油机械设备]