Conventional Diamond Core Barrel

Available model: LTK core barrel, TT diamond barrel, T2 conventional core barrel, T6 core barrels, T6S diamond barrels
Tube type: standard double tube barrel, thin Kerf barrel
Function:connecting the drill pipe and the core bit, cylindrical core samples (usually 3-10 cm in diameter and 1-3 m in length) are cut and captured during the diamond core drilling process. Application: geothechnicl investigation, mineral exploration.

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General Introduction

Conventional diamond core barrels are necessary components in diamond core drilling operation. It used to connecting the core drill pipe and core bits. It widely applied in geo-technical investigation and mineral exploration.

Specifications

LTK Series Core Barrels(Thin Kerf)

Item No.	Core Dia.		Hole Dia
Item No.	mm	inch	mm	inch
LTK48	35.3	1.39	48	1.89
LTK60	44.1	1.736	60	2.362

TT Series Core Barrels(Thin Kerf)

Item No.	Core Dia.		Hole Dia
Item No.	mm	inch	mm	inch
TT46	35.3	1.39	46.3	1.823
TT56	45.3	1.783	56.3	2.217

T2 Series Core Barrels(Thin Kerf)

Item No.	Core Dia.		Hole Dia
Item No.	mm	inch	mm	inch
T2-46	31.7	1.248	46.3	1.823
T2-56	41.7	1.642	56.3	2.217
T2-66	51.7	2.035	66.3	2.61
T2-76	61.7	2.429	76.4	3.008
T2-86	71.1	2.823	86.4	3.402
T2-101	83.7	3.295	101.4	3.992

T6 Series Core Barrels(Double tube)

Item No.	Core Dia.		Hole Dia
Item No.	mm	inch	mm	inch
T6-76	57	2.244	76.4	3.008
T6-86	67	2.638	86.4	3.402
T6-101	79	3.11	101.4	3.992
T6-116	93	3.661	116.4	4.583
T6-131	108	4.252	131.4	5.173
T6-146	123	4.843	146.4	5.764

T6S Series Core Barrels(Double tube)

Item No.	Core Dia.		Hole Dia
Item No.	mm	inch	mm	inch
T6S-76	47.7	1.878	76.4	3.008
T6S-86	57.7	2.272	86.4	3.402
T6S-101	71.7	2.823	101.4	3.992
T6S-116	85.7	3.374	116.4	4.583
T6S-131	100.7	3.965	131.4	5.173
T6S-146	115.7	4.555	146.4	5.764

Features

Item	Contained Models	Feature
LTK core barrel	LTH48, LTK60	Designed for high-speed, wireline drilling Good core recovery in fractured formations Used in Exploration drilling and Geo-technical investigations Shallow to medium-depth drilling
TT diamond barrel	TT46, TT56	Improves penetration rates while maintaining core integrity Good for soft to medium-hard formations Used in Mineral exploration and Environmental and geo-technical drilling Core sampling in weak formations
T2 conventional core barrel	T2-46, T2-56, T2-66, T2-76, T2-86, T2-101	Suitable for conventional rotary drilling Works well in fractured and consolidated formations Used in Geo-technical and site investigations, exploration drilling in softer formations Shallow to medium-depth drilling
T6 core barrels	T6-76, T6-86, T6-101, T6-116, T6-131, T6-146	Double-tube design for better recovery Suitable for medium to deep drilling used in Geotechnical and mineral exploration Medium-depth drilling in fractured or loose formations
T6S diamond barrels	T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146	Ideal for highly fractured or soft formations Same diameter range as T6 but with an extra inner tube Protects delicate core samples from damage Highly fractured formations and soft rock drilling

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Wireline Core Barrel