Wireline Triple Tube Core Barrel NQ3 Natural Diamond Core Bit
PEERCHEER offers standard NQ3 NWL-3 triple tube core barrel for use with NQ/NRQ/NT rods. NQ3 Natural Diamond Core Bit utilizes a third tube called an inner tube liner or split tube. NQ3 triple tube core barrel is commonly used in surface drilling conditions when drilling coal, clay bearing or highly fractured formations. NQ3 core barrel only available in surface configurations and is available for application in standard DCDMA N size hole. It consists of the NQ3 head assembly , NQ3 inner tube components and NQ3 outer tube components.
Product Details
Parameter
NQ3 Diamond Drilling Core Barrel Standard configuration：
1-NQ3 Head Assembly
2-NQ3 Pump Out Adapter
3-NQ3 Piston Plug
4-NQ3 O Ring
5-NQ3 Core Ejection Piston
6-NQ3 Split tube
7-NQ3 Inner Tube
8-NQ3 Stop Ring
9-NQ3 Core Lifter
10-NQ3 Core Lifter Case
11-NQ3 Locking Coupling
12-NQ3 Adapter Coupling
13-NQ3 Landing Ring
14-NQ3 Outer Tube
15-NQ3 Inner Tube Stabilizer
16-NQ3 Thread Protector
NOTE：
(1) NQ3 natural diamond core bit and reaming shell are not included
(2) 1.5m/5ft and 3m/10ft NQ3 core barrels are available
(3) The newest MKII spearhead NQ3 core barrel is also available
NQ3 Diamond Drilling Core Barrel Parameters Table
| NQ3 Nonimal Parameter | mm | Inches |
| NQ3 Hole Diameter(approx.) | 75.8 | 2.984 |
| NQ3 Core Diameter(approx.) | 45.0 | 1.772 |
| NQ3 Core Bit Set OD(approx.) | 75.3 |
