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[China]
Trade Verify
Address: 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact name:Bill, George, Michael
ROSCHEN GROUP |
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Verified Suppliers
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17 1/2" IADC 617 tricone bit Baker Hughes Tricone Roller Cone Drill Bits for water well drilling
Tricone Rock Bits provide outstanding performance along with
outstanding reliability and simplicity.
Roschen follows the IADC bit classification system in which the
first three digits classify the bit according to the bearing/seal
design used and the formation it is designed to drill.
Tricone bit can be customized to optimize penetration rates and bit
life in particular formations and under specific operating weights
and rotation speeds. Our company offers new steel tooth and tungsten carbide insert
tricone bit in sizes from 3 1/2" – 26", with open or
sealed bearings, regular or jet circulation, and a wide range of
additional custom features for ideal performance in any
formation.
TRICONE BITS IADC CODE REFERENCE
| First Digit | |
| 1 | STEEL TOOTH BITS for Soft Formation |
| Bits that feature long, widely spaced teeth, to drill soft formation such as shales, soft sandstone, clay and all unconsolidated formations. | |
| IADC CODES 111 - 126 - 134 | |
| 2 | STEEL TOOTH BITS for Medium Formation |
| With medium length teeth, closer spaces, to drill unconsolidated limestones, medium sandstones, clay, marls. | |
| IADC CODES 211 - 224 - 234 | |
| 3 | STEEL TOOTH BITS for Hard Formation |
| With short, closely spaced teeth with tungsten carbide hardfacing, for hard and abrasive formations such as sandstones, dolomite, hard limestone and granite. | |
| IADC CODES 311 - 314 - 321 | |
| 4 | TCI BITS for Soft - Medium Soft formations |
| 5 | Features large chisel-shaped tungsten carbide inserts to provide the highest penetration rates in the softest formations such as shales, clays, limestone and sands. |
| IADC CODES 437 - 517 - 527 | |
| 6 | TCI BITS for Medium Hard - Hard formations |
| Effective in a variety of formations with higher compressive strength such as hard limestone, sandstone, dolomite and other formations with high abrasive quality, hard streaks and broken formations. | |
| IADC CODES 617 - 627 - 637 | |
| 7 | TCI BITS for Hard and abrasive formations |
| 8 | With hemispherical tungsten carbide inserts. To optimize penetration rate in hard and abrasive formations such as granites, basalts, quartzite and chert. Drilling weight of 3 ± 4 tons per inch of diameter should be applied. |
| IADC CODES 732 - 737 - 837 | |
| Second Digit | FORMATION |
| 1 | 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest. |
| 2 | |
| 3 | |
| 4 | |
| Third Digit | BEARING / SEAL TYPE |
| 1 | Standard open bearing roller bit |
| 2 | Standard open bearing roller bit, air-cooled |
| 3 | Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone |
| 4 | Sealed roller bearing bit |
| 5 | Sealed roller bearing bit with gauge protection |
| 6 | Journal sealed bearing bit |
| 7 | Journal sealed bearing bit with gauge protection |
| Fourth Digit | ADDITIONAL FEATURES |
| A | Air Application |
| R | Reinforced Welds |
| C | Center Jet |
| S | Standard Steel Tooth |
| D | Deviation Control |
| X | Chisel Insert |
| E | Extended Jet |
| Y | Conical Insert |
| G | Extra Gage Protection |
| Z | Other Insert Shape |
| J | Jet Deflection |
| TRICONE DRILL BITS - STANDARD CONNECTION SIZES * | |
| SIZE | STANDARD PIN CONNECTION |
| 2 1/2" to 2 3/4" inclusive | A - AW Rod |
| 2 7/8" to 3 3/8" inclusive | N4 Rod |
| 3 1/2" to 4 1/2" inclusive | 2 3/8" API |
| 4 5/8" to 5" inclusive | 2 7/8" API |
| 5 1/8" to 7 3/8" inclusive | 3 1/2" API |
| 7 1/2" to 9 3/8" inclusive | 4 1/2" API |
| 9 1/2" to 14 3/8" inclusive | 6 5/8" API |
| 14 1/2" to 18 1/2" inclusive | 6 5/8" API or 7 5/8" API |
| 18 5/8" to 26" inclusive | 7 5/8" API or 8 5/8" API |
| 27" and larger | 8 5/8" API |
| *Tricone bits are available with alternative connection sizes on request. | |
FAQ
Q1. Whether accept customized according to customers' requirements
?
A: Yes, We accept customized, no matter how much is the purchase
quantity
Q2. Can I expect a quality products?
A: Yes. All our activities are accredited to ISO 9001:2008 and API,
both in products and services, at the same time, mature production
technology ensuring the quality satisfy international request.
Q3. About lead time and shipping time?
A: The lead time depend on quantity of order. Usually shipped by
sea, small order or urgent order we can send you by air after
received your agreement.
According the distance from china to your port, usually from China
to European about 25 days. To West of American 20 days.
Q4. What is your trade terms?
A: We offer EXW, FOB, CFR, CIF, DDU.
Q5. What is your payment terms and method?
A: Our payment terms: normally 30% deposit, balance 70% before
shipment.
Our payment method, we accept T/T, L/C.
For more information please contact:
ROSCHEN GROUP LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
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