The soft
formation TCI tricone bits are used to drill low compressive
strength, very soft formations. This bit maximized to use of both
conical and chisel tungsten carbide inserts of large diameters and
high projection. This cutting structure design, combined with
maximum cone offset, results in high bit penetration rates. The
deep intermesh of cutter rows prevents bit bailing in sticky
formations.
Medium formation TCI tricone
bits:
The medium
formation TCI tricone bits features aggressive chisel tungsten
carbide inserts on the heel rows and inner rows. This design
provides a fast drilling rate and added cutting structure
durability in medium to medium hard for mations. The HSN rubber
O-ring provides adequate sealing for bearing durability.
Hard formation TCI tricone
bits:
The hard
formation TCI tricone bits can be used to drill hard and abrasive
formations. Wear resistance tungsten carbide inserts are used in
the outer rows to prevent loss of bit gauge. Maximum numbers of
hemispherical shaped inserts are used in all rows to provide cutter
durability and long life.
Medium hard formation TCI
tricone bits:
The medium hard formation TCI
tricone bits features robust chisel tungsten carbide inserts on the
heel row and conical on the inner rows. This design 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.
