Hughes Christensen Drill Bit Catalog

TRICONE BIT OPTIONAL FEATURES
G Gauge Enhancement
Package (G)
One of the gauge enhancement
packages available for
directional and highly abrasive
applications. The G-Bit
package utilizes tough ovoid
shaped inserts on the heel
row and generous amounts of carbide inserts on
the gauge. Steel tooth bits are designed with a full
compliment of carbide inserts on gauge.
Leg Bullets (L)
Elongated tungsten carbide
compacts are added to the
shirttail to reduce leg wear in
abrasive formations and deviated
or horizontal well bores.
Motor Hardfacing (M)
For additional protection in
high speed, directional or
abrasive environment applications,
motor hardfacing
can be applied to essentially
all of the Hughes Tricone
line. Tungsten carbide
particle hardfacing is
liberally applied along the shirttail, and extended up
the leading edge of the bit leg.
Spray Coated Cones (R)
For additional wear
resistance when drilling
directional or abrasive
applications, Hughes
Christensen offers a
tungsten carbide coating
for its cones.
Wear/Stabilization
Pad (P)
Wear/stabilization pads are
steel blocks containing flush
mounted carbide inserts.
This extra protection is added
to the outer diameter of a
rolling cutter bit to minimize
wear on the bit leg or body.
Shirttail Compacts (S)
Tungsten carbide compacts are
added to the shirttail to reduce
leg wear in abrasive formations
and deviated or horizontal well
bores.
High-Flow Extended
Nozzles (T)
High Flow Extended
Nozzles are added to maximize
penetration rates in
both hard and soft formations.
Used in both single
and twin arrangements,
these nozzles are much
sturdier and possess greater flow capacity than conventional
extended nozzles.
XL Feature
XL is a patent pending tooth
geometry that allows an
additional application of
hardfacing in the areas susceptible
to abrasive wear.
HUGHES CHRISTENSEN 15