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Contact name:Yingkai Zhang
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6 3/4" IADC635 tricone roller rock bits for sale from China manufacture
How to chosse the right drill bit for yourself?
Soft formation TCI tricone bits:
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.
Specifications
IADC | Rock formation | WOB (KN/mm) | PRM(r/min) |
415/425/435 | Low compressive strength, high drill-ability and extremely soft
formation, like shale, clay, sandstone, conglomerate etc | 0.35~0.90 | 140~70 |
447 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. | 0.35~1.00 | 140~60 |
517 | Low compressive strength, high drill-ability and soft formation,
like shale, clay, sandstone, soft limestone, salt rock, etc | 0.35~1.05 | 120~50 |
527 | Soft formation with low compressive, like Low compressive strength,
high drill-ability and soft formation, like shale, clay, sandstone,
soft limestone, salt rock, anhydrite etc. | 0.35~1.05 | 120~50 |
537/547 | Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. | 0.50~1.05 | 110~40 |
617/627 | High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. | 0.50~1.05 | 80~40 |
637/647 | High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
Product Related:
KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:
Hazardous environment
Acts, regulations, and other government guidelines that has to be followed
Significant differences in the way people work, mostly due to physical constraints
Avoiding downtime on major equipment which can cost tens of thousands of dollars per hour. The best solution with the most reasonable cost is a significant driver.
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.
