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NEWS: New Drill Bit: Now manufacturing PDC drill bits and TC fixed cutter drill bits Underreamer New Application: Offshore conductor template drill out Underreamer Upgrade: Optional fluid through blade ends for cavitation or clean out ![]() ![]() ![]() U.S. Pat. and Pats. Pend., Foreign Pats. Pend. ![]() U.S. Pat., Foreign Pats. and Pats. Pend. ![]() ![]() U.S. Pat. and Pats. Pend., Foreign Pats. Pend. ![]() U.S. Pat., Foreign Pats. and Pats. Pend. ![]() U.S. Pat. and Foreign Pats. Pend. HARVEST TOOL
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