1.good service
2.certified by ISO,API
3.wide size code
4.best quality,price
5.delivery on time
The core barrel is complete in forming a set , advanced on technique and a perfect tool in convectional coring operation
. The tool is mainly used to obtain core in oil driliing well or in geological prospecting. Can assemble one to three inner
and outside core barrels per a tripping and the tool is available to soft., medium , hard and mix stratum.
Main specifications
Type | 4 3/4″×2 5/8″ | 5 1/4″×2 3/4 | 6 3/4″×4″ | 7 1/8″×1/8″ |
Barrel length ft | 30′/60′/90′ | 30′/60′/90′ | 30′/60′/90′ | 30′/60′/90′ |
Outer tube(OD×ID) | 4 3/4″×3 5/8″ | 5 1/4″×4″ | 6 3/4″×5 3/8″ | 7 1/8″×5 1/16″ |
Inner tube(OD×ID) | 3 1/4″×3 7/8″ | 3 1/2″×3″ | 4 3/4″×4 1/8″ | 5″×4 7/16″ |
Top thread | 3 1/2IFBOX | 3 1/2IFBOX | 4 1/2IFBOX | 4 1/2IFBOX |
Bit size in | 5 7/8″ ~6 1/2″ | 5 7/8~6 1/2″ | 7 1/2″~9 5/8″ | 8 1/2~9 5/8″ |
Core OD in | 2 5/8″ | 2 3/4″ | 4″ | 4 1/8″ |
