在套管单根或油管单根被提起和下入井筒以前对其进行检查所用的内通径规的习用语。

A slang term for an internal drift diameter gauge typically used to check casing or tubing joints before they are picked up and run into the wellbore.

youdao

在套管单根或油管单根被提起和下入井筒以前对其进行检查所用的内通径规的习用语。

A slang term for an internal drift diameter gauge typically used to check casing or tubing joints before they are picked up and run into the wellbore.

youdao