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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 3 - 36" |
Kingdream Tungsten Carbide insert drill bit drilling rigs for oil well
Water well drill bit discriptions:
1. Product: we specializes in manufacturing: Tricone bits, steel tooth bit, milled tooth tricone bit, tungsten carbide insert rock bit, tri-cone drill bit, 3 cone bits,rotary bit, TCI tricone bit, PDC drill bit, diamond core bit, bicenter bit, single cone bit, reamer bit, down hole opener, hole enlarger, drag bit, button bit and drilling equipment for petroleum&gas, water well, mining and tectonic industries, oil field, construction, geothermal, directional boring, and underground foundation work all over the world.
2. water well drill bitwith sealed journal bearing
3. water well drill bit with hard-facing and extra gauge protection
| Model | TCI tricone BIT, STEEL TOOTH tricone BIT |
| IADC CODE |
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 |
|
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 |
|
| available sizes: | From 2 7/8 to 26” |
| larger sizes for hole opener bit ,reamer bit | |
| advantage | most favourable price and best qualtity |
| bearing type: | sealed bearing and non-sealed bearing |
| HJ(metal sealed journal bearing) | |
| HA (rubber sealed journal bearing | |
| aircooled bearing type | |
| Formation or layer | soft ,medium soft ,hard,medium hard,very hard formation |
| Button size (extra features) | Button bit,saw teeth |
| 1) Y-Conical teeth 2) X-chisel teeth | |
| 3)K- wide teeth | |
| 4)G- Gague protection | |
| Material | Alloy steel ,carbide |
| Packing | Wooden case or steel case |
| Payment terms | T/T,L/C,Western union |
| Delivery terms | By sea or by air |
| Delivery time | Within 3 to 7 days |
| Market | Canada, USA,Middle east ,Africa,Europe |
| 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 limitts of WOB and RPM 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" |
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
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