20inch Tricone Rock Bit, TCI Tricone Rock Bit

China 20inch Tricone Rock Bit, TCI Tricone Rock Bit, Find details about China 20 Inch Well Drilling Bit, TCI Tricone Bit from 20inch Tricone Rock Bit, TCI Tricone Rock Bit

HS Code
82071990
HS Code
82071990
1 Specifications:
 

Size17 1/2"
IADC517
Bearing TypeElastomer sealed journal bearing
Thread Connection7 5 /8" reg pin
WOB(KN/mm)0.45~1.0
RPM(r/min)120~50
Applicable Formations medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc
Circulation systemMud pump
2.Deatail:
 
Available sizes:

60mm,65mm,76mm,93mm,95mm,98mm(3 7/8"),101.6mm,114mm,118mm,120mm,127mm(5")
130.1mm(5 1/8"),133.3mm(5 1/4"),139.7mm(5 1/2"),142.8mm(5 5/8"),149.2mm(5 7/8")
152.4mm(6"),155.5mm(6 1/8"),158.7mm(6 1/4"),161.9mm(6 3/8"),165.1mm(6 1/2")
190.5mm(7 1/2"),193.6mm(7 5/8"),200.0mm(7 7/8")
212.7mm(8 3/8"),215.9mm(8 1/2"),222.2mm8 3/4")                                                                                                         
241.3(9 1/2"),244.4(9 5/8"),250.8(9 7/8")
269.8(10 5/8"),295.3(11 5/8")
311.1(12 1/4"),346.0 (13 5/8"),349.2(13 3/4")
374.6(14 3/4")
381(15"),393.7(15 1/2"),406.4(16")
444.5(17 1/2"),508(20"),558(22"),609.6(24")
660.4(26")
Available models:
 

Steel tooth
(IADC)
111, 121,131
117,124,126,127,136,137                                                                                                                                 
211,311
216,217, 227
TCI
(IADC)
415,435, 417,437
515,525,535,545, 517,527,537,547
615,625,635,,617,627,637,737
512,522,532,612,622,632,732
 
20inch Tricone Rock Bit, TCI Tricone Rock Bit
Model                      Button/Insert Tooth Tricone Bits   
                      Steel/Milled Tooth Tricone Bits
 
 
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
advantagemost 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
MaterialAlloy steel ,carbide
PackingWooden case or steel case
Payment termsT/T,L/C,Western union
Delivery termsBy sea or by air
Delivery timeWithin 3 to 7 days
MarketCanada, USA,Middle east ,Africa,Europe
Applicationpetroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work