DRILL STEM CIRCULATION SUB
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS17511940
Definition | A <DRILL STEM CIRCULATION SUB> is a <DRILL STEM SUB> for circulating mud around and/or through the drillstring or fishing string to prevent sticking or for cleaning the hole. |
ISO number | 12694 |
RDS number | RDS17511940 |
Source | Ref.: PennWell Petroleum Dictionar; 1991 |
Piping |