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)|
|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|
|Contact Person :||Mr. Yuan Qi|