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Soft Formation IADC 517 Water Well Drilling 5 1/2 Tricone Drill Bits
KSQ Technologies (Beijing) Co. Ltd. established in the 2009, and
has been engaged in production of roller-cone
bit and bit cutters for more than 10 years. The company have kept
the clients ahead of schedule and under
budget by providing the highest quality products at the best
possible prices. We export our products to more than
60 countries and serve industries such as Oil & Gas, water
well, Construction, Mining, Horizontal Directional
Drilling (HDD), Geothermal, and Environmental. The company has
adopted advanced manufacturing processes
to ensure high quality steels and tungsten carbide inserts for its
rock drilling accessories. We understanding
clients’ drilling needs, and have the service skills to recommend
the right drilling tools for the job. Furthermore, the
company has the most advanced equipment including the latest CNC
lathes, Milling machines, and Heat process
technologies, etc. All products manufactured under the quality
assurance and control policy, to be able to meet
API standard and clients’requirements.
Product Specfication
Type | Tricone | Bearing Type | Air Circulation |
Configuration | Roller-ball-roller | Cutting structures | TCI |
Gauge rows | Wedge | Inner rows | |
Nose rows | Conical | Surf rows | Round |
Bit connection | 3 1/2”REG API | Circulation type | Jet Nozzle |
Head Type | Full armor | Hard facing | Standard |
Armor | Round(TCI) | Reaming | None |
Application
1. The6 1/4” IADC 517 blast hole bits are designed for drilling soft to medium hard formations, with rock compressive strength ranging from 10,000 to 35,000 psi.
2. Formation drilled may consist of shale, limestone, quartzite, slate, sandstone and granite.
Specifications
IADC code | Applicable Formation | Main characteristics of the bit | Recommended parameters | |
Cutting structure | Normal WOB kN/mm (bit dia.) | Rotary speed (rpm) | ||
517 | Soft formations with low compressive strength and high drillability, such as shale, clay, rock salt, soft limestone, etc. | Large radius scoop compacts in inner row, wedge compacts in outer row, inequable spaced compacts arrangement , and a row of trimmers is added between gage row and heel row | 0.50~1.05 | 220~40 |