|Application||Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc.|
Main composition of HDD hole opener:
Solidkey can provide elastomer & metal-face sealed bearing roller cone cutters, the former is available for short crossing (less than 300m), the latter for long crossing(more than 300m).
We main use roller cone cutters for building 6", 8 1/2", 12 1/4", 17 1/2" tricone bit to produce hole opener, if you have specific needs, we could provide solutions accordingly.
2> Drill Collar
All the drill collars meet oil well drilling standards, reliable quality is the basic guarantee for assembling hole opener. Regular diameters of drill collars are 120mm, 165mm, 190mm, 203mm, 220mm, etc.
The stabilizer demension is designed according to feature of rocks, the stabilizer is hard-facing by tungsten carbide materials.
Solidkey hole openers have received good feedbacks from India, Indonesia, Thailand, Saudi Arabia, Malaysia, etc. We can offer a large ranges of sizes, from 8" to 60", and offer drilling methods according to your projects.
|PDC Bits||Hole Opener||Roller Cones (Thirds)||Piling Roller Cones|
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