geotechnical tricone drill steel tooth drill bit with high quality
USD $500 - $10,000 /Piece
Min.Order:1 Piece
Hejian Hengji Bit Manufacture Co., Ltd.
geotechnical tricone drill steel tooth drill bit with high quality
SPEC:
1) Condition: 100% new
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
517/537 | 0.4~1.0 | 120~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
617 | 0.45~1.1 | 90~50 | Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc |
637 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
117/127 | 0.35~0.9 | 150~70 | Soft to medium formations with low compressive strength , such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
Bit Size(in) | Connection | Bit Size(in) | Connection |
3 3/8, 3 3/4, 3 7/8 4 1/8, 4 1/4 |
2 3/8 REG | 9 1/2, 9 5/8 , 9 7/8 10, 10 1/2, 10 5/8 11, 11 5/8
|
6 5/8 REG |
4 3/8, 4 1/2 4 5/8, 4 3/4 4 7/8 |
2 7/8 REG | 12, 12 1/4, 12 5/16 12 3/8, 12 7/16, 12 5/8 13 1/8, 13 3/4, 13 5/8 13 1/2 |
6 5/8 REG |
5 1/8, 5 1/2, 5 5/8 5 7/8 6, 6 1/8, 6 1/4 6 1/2, 6 3/4, 6 5/8 6 7/8 |
3 1/2 REG |
14 1/2, 14 3/4 15 1/2 17 1/2
|
7 5/8 REG |
7 1/2, 7 5/8, 7 7/8 8 3/8, 8 1/2 8 5/8, 8 3/4 |
4 1/2 REG |
20, 22, 24, 26 |
7 5/8 REG |
IADC CODE | (MT) 116 117 12 6127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347
| ||
(TCI)417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535
|
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