6′′ IADC 537 Oilfield Drill Tricone Oil Drilling Bit

• Customized: Customized
• Standard: API
• Type: Twist Drill Bit
• Material: Solid Carbide
• Usage: Well Drilling
• Application: Coal Mining, Quarry Drilling, DTH Drilling
• Model NO.: BOBAN
• Advantage: High Performance
• Umaterial: High Manganese Steel
• Color: Customized
• Transport Package: Wooden Case
• Trademark: BOBAN & OEM
• Origin: China
• HS Code: 8431431000
• Production Capacity: 100PCS Per Month

Product Description

Product 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- Series

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.

517Medium 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.

637Hard 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.

617Medium-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.

 

Specifications:

IADC	WOB	RPM	Application
	(KN/mm)	(r/min)
111/114/115	0.3-0.75	200-80	very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
116/117	0.35-0.8	150-80	very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk
121	0.3-0.85	200-80	soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
124/125		180-60
131	0.3-0.95	180-80	soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
136/137	0.35-1.0	120-60
211/241	0.3-0.95	180-80	medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds.
216/217	0.4-1.0	100-60
246/247	0.4-1.0	80-50	medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
321	0.4-1.0	150-70	medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble
324	0.4-1.0	120-50
437/447/435	0.35-0.9	240-70	very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone
517/527/515	0.35-1.0	220-60	soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone
537/547/535	0.45-1.0	220-50	soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds
617/615	0.45-1.1	200-50	medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite
637/635	0.5-1.1	180-40	hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble
Note: Above limits of WOB and RRPM should not be used simultaneously

Diameter:

Size		Steel tooth bit	TCI bit
in	mm	Weight(kgs)	Weight(kgs)
3 7/8	98.4	5	6
4 5/8	117.5	6	6.5
5 7/8	149.2	17	18
6	152.4	18	19.5
6 1/2	165.1	19	22
7 7/8	200	29	29.5
8 1/2	215.9	35	38
8 3/4	222.2	36	40
9 1/2	241.3	57	59
9 7/8	250.8	58	60
10 5/8	269.9	66	74
12 1/4	311.1	85	111
13 5/8	346.1	118	120
14 3/4	374.6	140	160
17 1/2	444.5	230	255
20	508	428	443
22	558.8	520	560
26	660.4	720	810

 

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