Drill bit having cutting elements with heat removal cores
Patent
·
OSTI ID:5982980
A drill bit for connection on a drill string has a hollow tubular body with an end cutting face and an exterior peripheral stabilizer surface with cylindrical sintered carbide inserts positioned therein having polycrystalline diamond cutting elements mounted on said inserts. Said inserts each having a longitudinal recess therein filled with a soft, heat conducting metal operable to facilitate the transfer of heat away from said cutting elements. The drill bit is also provided with removable and replacable nozzles.
- Assignee:
- Strata Bit Corp.
- Patent Number(s):
- US 4478297
- OSTI ID:
- 5982980
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
DRILL BITS
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
ELEMENTS
ENERGY TRANSFER
EQUIPMENT
HEAT TRANSFER
METALS
NATURAL GAS WELLS
NOZZLES
OIL WELLS
PIPES
WELL DRILLING
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
DRILL BITS
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
ELEMENTS
ENERGY TRANSFER
EQUIPMENT
HEAT TRANSFER
METALS
NATURAL GAS WELLS
NOZZLES
OIL WELLS
PIPES
WELL DRILLING
WELLS