HARVEST TOOL COMPANY LLC
UNDERREAMERS, DRILL BITS, SECTION MILLS, CASING CUTTERS, HOLE OPENERS AND PROJECTILE TOOLS

 Expandable Jet Drill Bit

 
Expandable Jet Drill Bit
Closed Position
  
Expandable Jet Drill Bit
Open Position
  
Expandable Jet Drill Bit
Bottom View
     

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

  • Circulation used more efficiently to open and jet kerf cut various rock formations.
  • Air, air mist, water or drilling mud circulation may be used.
  • More efficient rock removal with lower percentage of rock disintegration and straighter hole.
  • Reduced drill string torque. Easier on drill string.
  • Reduced hole problems with expandable blades.
  • Various tipping materials available including long life tungsten carbide rollers, tungsten carbide disc cutters, pdc (polycrystalline diamond compact) disc cutters, hardfacing.
  • Special alloy steel with high hardness and impact strength.
  • Various closed and open diameters available.
Numerous Expandable Jet Drill Bit (EJDB) sizes available. Please contact us as to closed diameter to open diameter combinations.

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