DRILL STEM CATCHER SUB
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS17511792
| Definition | A <DRILL STEM CATCHER SUB> is a <DRILL STEM SUB> for catching a ball that is dropped or lowered on a wireline in the drillstring to trigger a hydraulic device. |
| ISO number | 12693 |
| RDS number | RDS17511792 |
| Source | Ref.: PennWell Petroleum Dictionar; 1991 |
| Piping |