China Water Well Drilling Equipment parts\TCI tricone drill bit

China Water Well Drilling Equipment parts\TCI tricone drill bit
 

Product description:

TCI bits series

437

Soft Formation TCI Tricone Bits

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

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.

637

Hard Formation TCI Tricone Bits

The 637 bits 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

This design provides a fast drilling rate and added cutting structure durability in medium to medium hare formations . The HSN rubber O-rin provides adequate sealing for bearing durability.

IADC CODE: 112 121 131127 , 137215 216 217 , 311 312 315 317327417 427 437415 425, 435517527 , 537547517525535617627637647625635637712737837832

size

Bit Type

In.

mm

6

152.4

136, 127

6 1/2

165.1

126127

7 1/2

190.5

126, 136, 217, 227

8 1/2

215.9

114, 124, 126127

9 1/2

241.3

126, 127

9 5/8

244.5

127

9 7/8

250.8

127

12 1/4

311.1

114, 126, 127

13 5/8

346

117, 126, 127

14 3/4

374.6

124

15

381

124

15 1/2

393.7

124

17 1/2

444.5

114, 117, 124, 126, 216

22

558.8

124

24

609.6

124

26

660.4

114