30 inches Trenchless Horizontal Drilling Backreamers
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| Application | Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc. | ||
Roller cone bits of 17 1/2" tricone bit is very big, the reaming step is at least 12" for soft formations, working with powerful mud pump, the penetration rate in soft rocks is much faster than TCI roller cones.
Solidkey is API certified factory of roller cone bit and PDC bits, both horizontal drilling backreamers and single roller cone bits for trenchless application are available.
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| PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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