Core Barrel

Core Barrel FEATURES

The Core Barrel is mainly used to obtain core in oil drilling well or in geological prospecting. It can assemble one to three inner and outside core barrels per a tripping. The tool is available to soft, medium, hard and mix stratum.

Technical Specifications

Type

4 3/4″×2 5/8″

5 1/4″×2 3/4″

6 3/4″×4″

7 1/8″×4 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 11/16″

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″