Coring Core Barrel Head Assembly 

BWL NWL HWL PWL Double Tube Wireline Head Assembly Core Barrel Assembly     HQ PQ BTW NTW HTW T2 double tube core barrel   Thin Wall BTW NTW HTW wireline double tube core barrel assembly head assembly Conventional Drilling   Wire-line drill tools can lift drill core from drill 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.   ROSCHEN offers a complete line of single & double and triple tube core barrels, which will provide superior performance and obtain the full recovery of the sample in any application of diamond core drilling.   Using a wireline system, core is recovered quickly by retrieving the inner tube…

Soil Drilling Machine Top Drive Drilling Rig GXY Drilling Rig Drilling Bits Deep Foundation Drilling Rig