Core Barrel, Core Barrels, Rotary Core Barrel, Drilling Core Barrel, Inner Core Barrel , Outer Core Barrel , Core Barrel Assembly --Jereh Drilltech

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Core Barrel
Core Barrel is a perfect tool in general coring operation. The tool is mainly used to obtain core in oil drilling well or in geological prospecting. Core Barrel Jereh Drilltech supplies are available to soft, medium, hard and mix stratum.

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Other Products:

Casing scraper

Taper Taps

Die Collar

External Hook & Internal Hook

Impression Block

External-Cutter & Internal-Cutter

Reverse Circulation Junk Basket

Core Barrel Type	JD-CS4 3/4×2- 5/8	JD-CS 5-1/4×2-3/4	JD-CS 6-3/4×4	JD-CS 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,in)	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,in)	3-1/4×3-7/8	3-1/2×3	4-3/4×4-1/8	5×4-7/16
Top thread	3-1/2IF BOX	3-1/2IF BOX	4-1/2IF BOX	4-1/2IF BOX
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