9 7/8" IADC Code 537 Tricone Drill Bit for Oilfield Drilling

• After-sales Service: 24/7
• Warranty: 12 Months After Shipment
• Manufacturing Process: Forging
• Surface Treatment: Sand Blast & Painting
• Operation Pressure: API
• Material: Carbon Steel
• Model NO.: 9 7/8"
• Sizes Available: 5 7/8"~26"
• Condition: New
• Certification: API
• Application: Oil Gas Drilling, Water-Well Drilling
• Transport Package: Pylwood Box
• Specification: 9 7/8"
• Trademark: BOBAN
• Origin: China
• HS Code: 84314320

Product Description

Description:

1. Elasatomer Sealed Roller Bearing Bit

The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.
Gauge Structure: Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Sealed Bearing Structure:

1. Abrasion resistance and seizure resistance of the bearing are improved.
2. Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance.

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", 13 5/8", 14 3/4", 15", 15 1/2", 17 1/2", 22", 24", 26", etc.

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


Normal IADC:

437Soft Formation TCI Tricone Bits:

The 437 TCI bits are used to drill low compressive strength, very soft formations. TCI bits maximize the use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.

517 Medium Formation TCI Tricone Bits:

The 517 features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard formation. The HSN rubber O-ring provides adequate sealing for bearing durability.

637 Hard Formation TCI Tricone Bits:

The 637 bits can be used to drill hard and abrasive formation. Wear-resistant tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical-shaped inserts are used in all rows to provide cutter durability and long life.

617 Medium-Hard Formation TCI Tricone Bits:

The 617 features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.

Detailed Photos:

IADC CODE SELECTION

IADC	WOB	RPM
	(KN/mm)	(r/min)
111/114/115	0.3-0.75	200-80
116/117	0.35-0.8	150-80
121	0.3-0.85	200-80
124/125		180-60
131	0.3-0.95	180-80
136/137	0.35-1.0	120-60
211/241	0.3-0.95	180-80
216/217	0.4-1.0	100-60
246/247	0.4-1.0	80-50
321	0.4-1.0	150-70
324	0.4-1.0	120-50
437/447/435	0.35-0.9	240-70
517/527/515	0.35-1.0	220-60
537/547/535	0.45-1.0	220-50
617/615	0.45-1.1	200-50
637/635	0.5-1.1	180-40
Note: Above limitts of WOB and RRPM should not be used simultaneously

PIN SIZE

Bit Diameter		API PIN
(inch)	(mm)
3 7/8"~5 1/4"	98~134	2 3/8", 2 7/8"
5 5/8"~6 3/4"	143~171	3 1/2"
7 1/2"~9 1/2"	190.5~241	4 1/2"
9 5/8"~13 3/4"	245~350	6 5/8"
14 5/8"~26"	371~660.4	7 5/8"