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Underream to large diameters. Coal bed methane. Heavy oil. Low pressure reservoir.
Circulation through bottom of blades with optional fluid expulsion out blade ends for even larger diameter cavitation or clean out.
Jetting and drilling out conductors, moorings, foundation.
U.S. Pat. and Pats. Pend., Foreign Pats. Pend.
Basic large diameter Underreamer.
U.S. Pat., Foreign Pats. and Pats. Pend.
Blades replaceable on rig floor for reduced drilling costs.
Best blade profiles and/or cutter rake angles can be determined from rig floor with additional blade sets.
A negative rake is not required as with most PDC drill bits.
Pats. Pend.
Drill bit with expandable blades for troublesome holes or well bores with diameter restrictions above but more hole to drill with no existing hole to underream from.
U.S. Pat. and Pats. Pend., Foreign Pats. Pend.
Wire line retrievable and deliverable inside casing or drill pipe.
Alleviate expensive, time consuming, and unsafe tripping of pipe, especially in deep wells.
U.S. Pat., Foreign Pats. and Pats. Pend.
Deep penetration of projectiles into rock.
Communicate far beyond any well bore skin damage.
Projectiles micro fracture rock and intersect more
natural fractures.
U.S. Pat. and Foreign Pats. Pend.
E-Mail
HARVEST TOOL
COMPANY LLC 6801 North Peterson Road, Sedalia, CO 80135,
U.S.A.
www.harvesttool.com
