Roller cutter drill bit having a texturized seal member
A rotary drill bit is described for use in drilling a well bore comprising: a bit body having a threaded pin at its upper end adapted to be detachably secured to a drill string for rotating the drill bit, and at least one depending leg at its lower end having a generally cylindrical bearing journal, constituting a first bearing member of the bit; a roller cutter of generally conical shape constituting a second bearing member of the bit. The roller cutter has a recess therein of generally circular section for receiving the bearing journal; bearing means for rotatably mounting the roller cutter on the bearing journal; and a lubrication system for providing lubricant to the bearing means; and the seal means comprising an annular seal member of elastomeric material compressed radially between the bearing members.
- Assignee:
- Reed Tool Co., Houston, TX
- Patent Number(s):
- US 4619534
- OSTI ID:
- 7148552
- Country of Publication:
- United States
- Language:
- English
Similar Records
Seal and seal shield assembly for rotary drill bits
Drill bit having offset roller cutters and improved nozzles
Related Subjects
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
BEARINGS
DESIGN
DRILL BITS
DRILLING
DRILLING EQUIPMENT
DRILLING FLUIDS
DRILLS
EQUIPMENT
FLOW BLOCKAGE
FLUID FLOW
FLUIDS
JOINTS
JOURNAL BEARINGS
LUBRICANTS
LUBRICATION
MOTION
NATURAL GAS WELLS
OIL WELLS
ROTARY DRILLS
ROTATION
SEALS
TEXTURE
THREADED JOINTS
WELL DRILLING
WELLS