DRILL STEM BUMPER SUB
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS17511696
Definition | A <DRILL STEM BUMPER SUB> is a <DRILL STEM SUB> located above the drill collars as a shock absorber. Normally used during floating drilling to compensate for heave. |
ISO number | 12692 |
RDS number | RDS17511696 |
Source | Ref.: PennWell Petroleum Dictionar; 1991 |
Piping |