一种经济可靠的套管抽汲工具

<title>An economical and safe casing swabbing tool

介绍一种套管抽汲工具。现场应用表明,该工具在开采低产井、边远井原油方面较其他设备更经济实用。

<Abstrcat>?A casing swabbing tool is introducedField operation shows that it can be used more economically than other equipments on wells in frontier areas or wells with low producing capacity