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5 ft 10 ft Triple Tube Core Barrel Assembly With Split Tube NQ3 HQ3 PQ3

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5 ft 10 ft Triple Tube Core Barrel Assembly With Split Tube NQ3 HQ3 PQ3

Country/Region	china
City & Province	shanghai shanghai

Product Details

5 ft 10 ft Triple Tube Core Barrel Assembly With Split Tube NQ3 HQ3 PQ3

Wireline Core Barrel Triple Tube Core Barrel With Split Tube NQ3 HQ3 PQ3

Wireline Core Barrel Triple Tube Core Barrel 5 ft , 10 ft With Split Tube NQ3 HQ3 PQ3

Detailed Product Description

Wireline Core Barrel Triple Tube Core Barrel With Split Tube NQ3 HQ3 PQ3

Description of the Triple Tube Core Barrel for Sale :

NQ3 HQ3 PQ3 triple core barrels are generally used for geotechnical purpose, designed to maximize core recovery in soft formations, and this series core barrel has advantages of good drilling property, high salvage efficiency and low consumption.

It consists of outer tube assembly and inner tube assembly. Export-standard plywood box is utilized to pack this H-Q series core barrel.

1. CORE BARREL

CORE BARREL CONFIGURATION & APPLICATION:

The core barrel assembly is composed of the inner-tube group and outer-tube group.

The inner-tube group collects the core sample during the drilling process and is independent of the outer-tube group.

The inner-tube group is composed of:

Head Assembly
Inner Tube
Core Lifter Case
Core Lifter
Stop Ring

The outer-tube group always remains at the bottom of the hole and houses the inner-tube group during the drilling process.

The outer-tube group is composed of the remainder of the core barrel components:

Locking Coupling
Adapter Coupling
Outer Tube

Triple Tube Core-barrels/ Double Tube Core-barrels with Split Tube

Double Tube Core-barrels with Split Tube, this type core-barrels consist of the same group as above mentioned but utilize a third tube called an inner-tube liner or split tube that is placed inside the inner tube.

Series	Model	Drill bit (mm)		Reamer	Outer tube		Inner tube		Unit weight
Series	Model	Inner diameter	Outer diameter	Outer diameter	Outer diameter	Inner diameter	Outer diameter	Inner diameter	Kg/set
C-Q series core barrel	BQ	59.5	36.5	60	57.2	46	42.9	38.1	45
	NQ	74.6	47.6	75.8	73	60.3	55.6	50	65
	HQ	95.6	63.5	96	92.1	77.8	73	66.7	105
	PQ	122	85	122.6	118	103	95.3	88.9	150

Boart Longyear Core Barrel System Sizes
SIZE	CORE Ø	HOLE Ø
AQTK	35.5 mm (1-3/8 in)	48 mm (1-7/8 in)
BQ	36.4 mm (1-7/16 in)	60 mm (2-3/8 in)
BQTK	40.7 mm (1-5/8 in)	60 mm (2-3/8 in)
NQ	47.6 mm (1-7/8 in)	75.7 mm (3 in)
NQTK (NQ2")	50.6 mm (2 in)	75.7 mm (3 in)
NQ3	45 mm (1-3/8 in)	75.7 mm (3 in)
HQ	63.5 mm (2-1/2 in)	96 mm (3-3/8 in)
HQ3	61.1 mm (2-3/8 in)	96 mm (3-3/8 in)
PQ	85 mm (3-3/8 in)	122.6 mm (4-7/8 in)
PQ3	83 mm (3-1/4 in)	122.6 mm (4-7/8 in)