13 5/8 inch IADC 537 TCI tricone
bit
Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd was
established in 1990. we have kept our clients ahead of schedule and
under budget by providing the highest quality tools at the best
possible prices .We ship to more than 60 different countries and
serve industries such as Oil & Gas, water well ,
Construction,Mining, Horizontal Directional Drilling (HDD),
Geothermal and Environmental. Our experienced staff is here to
assist you with everything from choosing the right bit to shipping
around the globe.Our goal is to provide our customers with the best
quality tools, accessories and service in the industry. We are
supported by many years of experience, trained professionals and a
full machine shop. Reduce the cost ,Speed the drilling ,Guarantee
the safety is always our aim.
1. We are manufacture can supply good quality goods and competitive
price.
2. We not only have ourselves design but also can accept
customization.
3. We have fast and on time delivery time.
4. Every bits have it’s quality assurance.
5. Contact our anytime if you have any question with bits.
6. 24 hours on time reply.
More question you want to know, contact us feel free without
hesitation.No matter how far from us but communication without
borders.
How to choose a model | IADC | Rock formation | WOB (KN/mm) | PRM(r/min) | | 417/427/437 | Low compressive strength, high drill-ability and extremely soft
formation, like shale, clay, sandstone,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. | 0.37~1.00 | 140~60 | | 517 | Low compressive strength, high drill-ability and soft formation,
like shale, clay, sandstone, soft limestone, salt rock, etc. | 0.37~1.05 | 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 | | 637/737 | High compressive strength, medium hard and high abrasive formation,
like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
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