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KEYSTONE HP

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HEAVY DUTY DESIGN COUPLED WITH HARD HITTING CS8 HAMMERS AND 10” QUICK CHANGE BITS, MAKES THE KEYSTONE HP SUPERIOR FOR LARGE HOLE APPLICATIONS

Change bits in the field

  • Patented quick change technology allows bits to be replaced in the field

  • Bit installation with all-thread and wrench

  • Bit removal with air powered hydraulic power pack

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CLUSTER REAMER

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  • Drill large diameter holes with less bits/hammers and air compressors
     

  • Sizes up to 144" (Consult factory for larger sizes)
     

  • Cluster Reamers have a guide ring designed to follow a smaller pilot hole
     

  • Divide hole drilling into progressive steps with the same bits, hammers, and air requirements
     

  • Cluster Reamers are also available in reverse circulation canisters

CLUSTER POLE DRILL

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  • Continuous Rotation Swivel Drilling

  • Mark VI, Side Inlet Swivel included (4" NPT Inlet)

  • 4,700 lbs. fully loaded (24")

  • Approximately 9-1/2' tall

  • Available in 24", 30", and 36" diameters

  • Adapter to weld hex connection or Kelly box (Keystone or customer supplied)

  • 6' standard drilling depth

  • Add custom pipe strings to increase drilling depth to your specification

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PERCUSSION CORE BARREL

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  • Reduce number of compressors, bits, and hammers needed to drill hole

  • Ex. 48" Core Barrel - 3 bits/hammers, 48" Cluster Drill - 7 bits/hammers

  • 3 1/2' drilling depth until stub removal (greater depths are possible upon request)

  • Integrated "ratchet" air inlet

  • 10" wide Kerf (48" Core barrel leaves 28" stub)

  • Same low height as traditional Cluster Drill

  • Reduced overall weight

  • Reduced overall weight on bit requirement

  • Reduced operating torque

  • Custom sizes available

REVERSE CIRCULATION

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  • Continuous rotation drilling

  • No need to trip out of the hole

  • Fastest, most efficient way to drill

  • Specially desinged canister to route cuttings through tubes into interchange

  • Requires RC- Interchange, Pipe, and Swivel

  • Complete containment and control of cuttings

  • Perfect for flooded holes

  • Use a conventional cluster drill in a reverse circulation application

  • Add reverse circulation interchange/crossover

  • Add sealing plate to direct cuttings into interchange

  • All the benefits of RC without a specialized canister

CONTACT KEYSTONE DRILL SERVICES FOR THE AVAILABILITY OF USED CLUSTER DRILL PRODUCTS

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