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Personne àcontacter Jack
Cangzhou, Hebei
Steel tooth tricone bit
**7
Soft Formation TCI Tricone Bits
The **7 tci bits are used to drill low compressive strength,very
soft formations .TCI bits maximize the use of bothconical and
chisel tungsten carbide inserts of large diameters and high
projection.This cutting sstructure design,combined with maximum
cone offset,results in high bit penetration rates .The deep
intermesh of cutter rows prevents bit bailing in sticky
formations.
**7
Medium Formation TCI Tricone bits
The **7features aggressive chisel tungsten carbide inserts on the
heel rows and inner rows.This desing provides a fast drilling rate
and added cutting structure durability in medium-to medium hard
formations .The HSN rubber o-ring provides adequate sealing for
bearing durability.
**7
Hard Formation TCI Tricone Bits
The **7bits can be used to drill hard and abrasive formations
.Wearresistant tungsten carbide inserts are used in the outer rows
to prevent loss of bit gauge.Maximum numbers of bemisphericalshaped
inserts are used in all rows to provide cutter durability and long
life.
**7
Medium-Hard Formation TCI Tricone Bits
The **7features robust chisel tungsten carbide inserts on the heel
row and conical on the inner rows.This design provides a fast
drilling rate and added sutti8ng structure durability in medium to
medium hard formations .The HSN rubber o-ring [rovodes adequate
sea;omg fpr bearomg dirability.
Steel tooth bits series
******7
Soft Formation Tooth Bits
The ******7 bits are used to drill low compressive strength,soft
formations .Long projection tooth lengths are used on high offset
cones to provide thegreatest penetration rates
possible.Wear-resistant hard facing is used to control tooth
wear.Onthe softest bit ty0pes this hard facing completely covers
the bit teeth.
**7
Medium-Hard Formation Tooth Bits
The **7bits are used to drill high-compressive strength,medium hard
formations .Short projection teeth with reduced crest length are
used in this series of bit designs .Durable hard facing is applied
to reduce tooth wear
