Customization: | Available |
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Customized: | Customized |
Standard: | API |
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tricone bit used for geoloical prospecting,development of oil and gas,drilling water wells,blast holes and making holes for seismic prospecting,construction engineering.now there are eleven common types of tricone rock bits. Steel teeth series:IADC CODE:116,117,126,127,136,137,216,217,317,337, TCI series:IADC CODE:417,437,447,517,527,537,547,617,627,637,647,737,837. TCI tricone bit, tci roller Bits ,roller bit,steel tooth roller bit,TCI roller bit,TCI tricone bit 1.Sizes rang from 3 7/8" to 26" |
IADC
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WOB(KN/mm Bit Dia.)
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RPM(r/min)
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Applicable Formations
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435
515 |
0.20~0.70
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200~80
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Soft with very low compressive strength such as shale ,clay, sandstone ,soft limestone ,etc
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535
|
0.35~0.80
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200~80
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Medium soft with low compressive strength and harder abrasive stringers ,such as hard shale ,hared gypsolyte, soft limestone,
sandstone and dolomite with stringer ,etc |
417
437 |
0.35~0.90
|
140~70
|
Very soft with low compressive strength and high drillability, such as shale, clay, sandstone and conglomerate ,etc.
|
517
527 |
0.35~1.05
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120~50
|
Soft with low compressive strength, such as shale, clay, sandstone, soft limestone, salt bed and hard gypsolyte, etc
|
537
547 |
0.35~1.05
|
110~40
|
Medium soft with low compressive strength and harder abrasive stringers, such as hard shale, hard gypsolyte, soft limestone,
sandstone and dolomite with stringers ,etc |
617
627 |
0.35~1.05
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80~40
|
Medium hard with high compressive strength and thick &hard stringers, such as hard shale, limestone, sandstone and dolomite, etc
|
637
737 |
0.70~1.20
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70~40
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Medium hard with high compressive strength and high abrasiveness ,such as limestone ,dolomite, sandstone and chert ,etc
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Note: The upper limits of WOB and RPM in above table should not be used simultaneously
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