A term used to describe the annulus surrounding a production tubing string above the production packer.

描述在生产封隔器上面的围绕生产油管的环形空间所用的术语。

youdao

A term used to describe the annulus surrounding a production tubing string above the production packer.

描述在生产封隔器上面的围绕生产油管的环形空间所用的术语。

youdao