Thin Wall BTW NTW HTW wireline double tube core barrel assembly head assembly Conventional Drilling
Wire-line drill tools can lift drill core from dril rods without picking up bits .All the tools include principal parts of the drill tools . overshot assembly ,drill rods , holding dog, circle wrench and etc. Their advantage are higher penetration , higher core recovery ratio ,longer bit life and lower lab intensity ,and the advantages get more clear with the increasing of hole depth .
No. | Std. | Item | Bit Std. | Reamer Std. | Bit OD(mm) | Bit ID(mm) |
TW Series |
1 | ATW | 1.5M double tube core barrel | ATW | ATW | 47.6 | 30.1 |
2 | BTW | 1.5M double tube core barrel | BTW | BTW | 59.5 | 42.0 |
3 | NTW | 1.5M double tube core barrel | NTW | NTW | 75.3 | 56.1 |

BQ core barrel NQ core barrel, HQ core barrel PQ core barrrel, NQ3 core barrel, HQ3 core barrel, PQ3 core barrel
T2-56 core barrel, T2-66 core barrel, T2-76 core barrel, T2-86 core barrel, T2-101 core barrel
T6-76 core barrel T6-86 core barrel T6-101 double/triple tube core barrel T6-116 double/triple tube core barrel T6-131 double/triple tube core barrel, T6-131 core barrel
NMLC double/triple tube core barrel, HMLC double/triple tube core barrel
HWF double/triple tube core barrel, PWF core barrel
NWG single/double tube core barrel, HWG single/double tube core barrel
NX single/double tube core barrel, HX single/double tube core barrel
LTK48 core barrel
M101 core barrel
412 F core barrel
Chinese Standard: Wireline 56, wireline 59, wireline 75, wireline 91...
Wire line core barrel
double tube core barrel
single tube core barrel
triple tube core barrel