NTW Geological Well Drilling Core Barrel Assembly
PEERCHEER offers thin wall NTW core barrel for use with NTW rods. NTW Geological well drilling core barrel is ideal for competent ground formations combined with high rotation speed, low feed force drills for improved rate of production. NTW core barrel is available for application in standard DCDMA N size hole. But NTW Geological well drilling core barrel offers lightweight options for biggest core size per comparable system size.It consists of the NTW head assembly , NTW inner tube components and NTW outer tube components.
Product Details
Parameter
NTW Geological well drilling core barrel standard configuration:
1-NTW Head Assembly
2-NTW Inner Tube
3-NTW Stop Ring
4-NTW Core Lifter
5-NTW Core Lifter Case
6-NTW Locking Coupling
7-NTW Adapter Coupling
8-NTW Landing Ring
9-NTW Outer Tube
10-NTW Inner Tube Stabilizer
NOTE：
(1)NTW Geological well drilling core barrel and reaming shell are not included
(2) 1.5m/5ft and 3m/10ft NTW core barrels are available
NTW Geological well drilling core barrel Parameters Table
| NTW Nonimal Parameter | mm | Inches |
| NTW Hole Diameter(approx.) | 75.8 | 2.984 |
| NTW Core Diameter(approx.) | 56.0 | 2.205 |
| NTW Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NTW Core Bit Set ID(approx.) | 56.0 | 2.205 |
| NTW Reaming Shell Set OD(approx.) | 75.8 | 2.984 |
