用负压阀进行TCP与DST联作的应用技术

Application Technique with the Combination of TCP and DST Using Negative Pressure Valve

在TCP与DST联作中利用负压阀来进行地层测试作业,其操作方法简便易行、安全可靠。本文详细介绍了负压阀的内部结构及其工作原理,并阐述了在渤海地区探井中使用该阀完成地层测试的现场技术。

This paper introduces in detail the internal structure and work principle of negative pressure valve, and describes formation testing in-situ technique using the valve in Bohai oilfield exploration well.