Description:
Wireline drill tools can lift drill core from drill rods without picking up bits. All the tools include principal parts of the drill tools, overshotassembly, drill rods, holding dog, circle wrench and etc. Their advantages are higher penetration, higher core recovery ratio, longer bit life and lower our ab intensity; and the advantages get more clear with the increasing of hole depth.
Wireline double core barrel consists of:
1. Head Assembly
2. Inner Tube: 1.5m or 3.0m
3. Stop Ring
4. Core Lifter
5. Core Lifter Case
6. Locking Coupling
7. Adapter Coupling
8. Landing Ring
9. Outer Tube: 1.5m or 3.0m
10. Inner Tube Stabilizer
11. Thread Protector
