HARVEST TOOL COMPANY LLC

UNDERREAMERS, DRILL BITS
SECTION MILLS, CASING CUTTERS
HOLE OPENERS, PROJECTILE TOOLS






 
 PRODUCT LINE:
Manufacturing unique underreamers (large and small), section mills, casing cutters, hole openers and replaceable blade PDC drill bits.
INTERNATIONAL:
We ship and service world wide.
UPDATES:
Recent improvements include capability of harder rock underreaming, improved bearing design and improved circulation flow.
Short video of cutting 6 foot (1829 mm)cavity in coal/shale.


  • Underream the hole to diameters many times larger than the original hole.
  • Circulation through bottom of blades with optional fluid expulsion out blade ends for an even larger diameter.

    U.S. Pat. and Pats. Pend., Foreign Pats. Pend.


  • Underream to slightly larger diameters than the original hole. Mill section or cut pipe.
  • Multiple blades (6 or 3) allows better centralization and hole tracking especially in horizontal underreaming, mill sectioning or casing cutting.
  • Normal or reverse circulation.

    Pats. Pend., Foreign Pats. Pend.


  • Basic large diameter Underreamer.

    U.S. Pat., Foreign Pats. and Pats. Pend.


          
  • Blades replaceable on location for reduced drilling costs.
  • Various blade profiles and/or cutter rake angles possible with additional blade sets.

    Pats. Pend.


          
  • Drill bit with expandable blades for 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
    1835 West Union Avenue, Unit 6, Sheridan, CO 80110, U.S.A.
    phone: 303-470-9202
    fax: 888-835-9323
     www.harvesttool.com
    www.underreamer.com