P-T封隔器在异常高压低渗透层渗漏原因初探  

Exploratory Research on the P-T Pack Leakage Reasons during Pressure Buildup Test in the Abnormal High Pressure Low Permeability Reservoir.

作　　者：白学东[1] 耿玉乾[1] 祁连秋[1] 

机构地区：[1]中原油田井下特种作业处

出　　处：《油气井测试》2001年第1期68-68,74,共2页Well Testing

摘　　要：用P T封隔器测试高压低渗透层易发生渗漏 ,取不到完整的地层资料。经对P T封隔器进行井下受力分析 ,找出了封隔器发生渗漏的原因 ;给出了确定发生渗漏时最高关井压力的计算公式并验证了其正确性 ;提出了解决P T封隔器渗漏问题的相关措施。The P T pack leakage reasons are pointed out,which are accrued during pressure buildup test in the abnormal high pressure low permeability reservoir.The calculation formation for determining the highest leakage pressures,and its practicability is verified by the field examples.The leakage solving methods and measures are given.

关 键 词：高压 低渗透储集层 油气层 P-T 封隔器 泄漏 地层压力 

分 类 号：TE927[石油与天然气工程—石油机械设备]