2013 newest 11 inch teeth tricone roller bit
Aoolicable formation:
Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypslolyte,soft limestone,sandstone and dolomite with stringersw,etc.
Main characteristics of the bit:
Offset crested scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangement.
Recommended parameters:
Normal WOB 0.35-1.05KN/mm
Aoolicable formation:
Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypslolyte,soft limestone,sandstone and dolomite with stringersw,etc.
Main characteristics of the bit:
Offset crested scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangement.
Recommended parameters:
Normal WOB 0.35-1.05KN/mm
Rotary speed 110-40rpm
Tricone bit size | Thread sizes | NO. | Tricone bit size | Thread sizes | |||||
Inch | mm | inch | mm | ||||||
1 | 3-3/4 | 95.3 | 2-3/8 | 28 | 9-5/8 | 244.5 | 6-5/8 | ||
2 | 3-7/8 | 98.4 | 2-3/8 | 29 | 9-7/8 | 250.8 | 6-5/8 | ||
3 | 4-1/8 | 104.8 | 2-3/8 | 30 | 10-1/2 | 266.7 | 6-5/8 | ||
4 | 4-1/4 | 108.0 | 2-3/8 | 31 | 10-5/8 | 269.9 | 6-5/8 | ||
5 | 4-1/2 | 114.3 | 2-3/8 | 32 | 11 | 279.4 | 6-5/8 | ||
6 | 4-5/8 | 117.5 | 2-7/8 | 33 | 11-5/8 | 295.3 | 6-5/8 | ||
7 | 4-3/4 | 120.7 | 2-7/8 | 34 | 12 | 304.8 | 6-5/8 | ||
8 | 4-7/8 | 123.8 | 2-7/8 | 35 | 12-1/4 | 311.2 | 6-5/8 | ||
9 | 5-1/2 | 139.7 | 3-1/2 | 36 | 12-5/16 | 312.7 | 6-5/8 | ||
10 | 5-5/8 | 142.9 | 3-1/2 | 37 | 12-3/8 | 314.3 | 6-5/8 | ||
11 | 5-2/3 | 143.9 | 3-1/2 | 38 | 12-7/16 | 315.9 | 6-5/8 | ||
12 | 5-3/4 | 146.1 | 3-1/2 | 39 | 12-5/8 | 320.7 | 6-5/8 | ||
13 | 5-7/8 | 149.2 | 3-1/2 | 40 | 13-1/8 | 333.4 | 6-5/8 | ||
14 | 6 | 152.4 | 3-1/2 | 41 | 13-1/2 | 342.9 | 6-5/8 | ||
15 | 6-1/8 | 155.6 | 3-1/2 | 42 | 13-5/8 | 346.1 | 6-5/8 | ||
16 | 6-1/4 | 158.8 | 3-1/2 | 43 | 13-3/4 | 349.3 | 6-5/8 | ||
17 | 6-1/2 | 165.1 | 3-1/2 | 44 | 14-1/2 | 374.7 | 7-5/8 | ||
18 | 6-5/8 | 168.3 | 3-1/2 | 45 | 14-3/4 | 374.7 | 7/5/8 | ||
19 | 6-3/4 | 171.5 | 3-1/2 | 46 | 15-1/2 | 393.7 | 7-5/8 | ||
20 | 7-1/2 | 190.5 | 4-1/2 | 47 | 16 | 406.4 | 7-5/8 | ||
21 | 7-5/8 | 193.7 | 4-1/2 | 48 | 17-1/2 | 444.5 | 7-5/8 | ||
22 | 7-7/8 | 200.0 | 4-1/2 | 49 | 18-7/8 | 479.4 | 7-5/8 | ||
23 | 8-3/8 | 212.7 | 4-1/2 | 50 | 20 | 508.0 | 7-5/8 | ||
24 | 8-1/2 | 215.9 | 4-1/2 | 51 | 22 | 558.8 | 7-5/8 | ||
25 | 8-5/8 | 219.1 | 4-1/2 | 52 | 24 | 609.6 | 7-5/8 | ||
26 | 8-3/4 | 222.3 | 4-1/2 | 53 | 26 | 660.4 | 7-5/8 | ||
27 | 9-1/2 | 241.3 | 6-5/8 | ||||||
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.
1.conical teeth and hard-facing
2.Reliable bearing system
3.Fast drilling rate
4.Strong cutting structure durability
2.Reliable bearing system
3.Fast drilling rate
4.Strong cutting structure durability
Advantages of chisel teeth tricone roller bit:
(1) Strong resistance to abrasion and impact resistance.
(2) Cutter's quality performance is good ,
(3) long work life
(4) stocks adequate, time delivery
(5) rich experience in drill bit
(6) good after-sales service
(7) High quality, competitive price
2013 newest 11 inch teeth tricone roller bit
2013 newest 11 inch teeth tricone roller bit
Note:
Sizes and types that are not shown above can be customized according to specific drilling requirements
Specifications
1.Tungsten carbide insert tooth, sealed and gage protection journal bearing
2.Meet strictly of API and ISO standar
2.Meet strictly of API and ISO standar
Hejianshi Tengda Petroleum Supplies Co.,Ltd located in the PetroChina in Huabei. Our company is a business entity specializing in development,production,distribution,and after sales service of drilling equipments.
