P-T封隔器渗漏失封及上窜原因分析  

An Analysis of Percolation and Up Cross-flow for the P-T Packers.

作　　者：方和平[1] 陈娟炜[1] 李全[1] 高萍[1] 权咏梅[1] 

机构地区：[1]大庆油田有限责任公司试油试采分公司

出　　处：《油气井测试》2003年第1期33-36,共4页Well Testing

摘　　要：经对P T封隔器井下受力分析 ,找出了其发生渗漏、失封及上窜的原因 ,给出了相应的计算公式 ,验证了其正确性 ;提出了解决P T封隔器渗漏。In this paper,the relevant formula with its validity is presented and the reason of percolation and up cross flow of a P T packer used to test layers with high pressure is found out by the packer down hole forcing analyses.The related technology and operations to resolve problems above are provided.

关 键 词：P—T封隔器 渗漏 失封 上窜原因 油气井 

分 类 号：TE931.2[石油与天然气工程—石油机械设备]