Long Service Life and Durabe 13 3/4" IADC725 TCI Tricone Bit/TCI Tricone Roller Bit for Oil, Gas, Mining

• Customized: Customized
• Standard: API
• Length: 13 3/4" IADC725
• Type: Tricone Bits
• Material: Tungsten Carbide
• Usage: Well Drilling
• Model NO.: clark001
• Transport Package: Wooden Box
• Specification: 13 3/4" IADC725
• Trademark: Prodrill
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000PCS/Months

Product Description

 

Product description:

 

Sealed Bearing Structure:Air cooling roller bearing package. Balls lock the conewhich reduces the probability of cone-dropping to minimum.

 

Main Type Available:Size: 5 7/8",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",14 3/4",17 1/2", etc.

IADC Code:1-- Series, 2-- Series, 3-Series

 

3. Non-Sealed Roller Bearing Steel Tooth Bit

Cutting Structure: The wear-resistance of teeth is enhanced with premium tungsten carbide hard facing on the tooth surfaces.

Bearing Structure: on-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the probability of cone Cropping to minimum

Main Type Available: Size: 2 3/8",3",3 5/8:",3 7/8",4",4 1/2",4 5/8",4 3/4",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",10 5/8",12 1/4", 17 1/2",etc.

IADC Code:1-- Series,2-- Series,3-- Series

 

4.Metaled sealed Journal Bearing Steel Tooth Bit

Main Type Available: Size: 2 3/8",3",3 5/8:",3 7/8",4",4 1/2",4 5/8",4 3/4",6",6 1/2",7 1/2", 7 7/8",8 1/2",9 1/2" ,9 5/8",9 7/8",10 5/8",12 1/4", 17 1/2",etc.

IADC Code: 1-- Series,2-- Series,3-- Series

IADC	WOB (KN/mm)	RPM (r/min)	Applicable Formations
437/447/435	0.35~0.9	240~70	Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc.
517/527/515	0.35~1.0	220~60	Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
537/547/535	0.45~1.0	220~50	Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc.
617/615	0.45~1.1	200~50	Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc
637/635	0.5~1.1	180~40	Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc.
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.