PAI whorl

PAI whorl

Rotation speed

Weight on bit

Diameter

specification

rate (gpm)

(rpm)

(lbs)

tolerance(mm)

6”

3 1/2 API Reg

200-350

80-380

2000-15000

+0,-0.38

8 1/2”

4 1/2 API Reg

300-500

60-350

3000-11000

+0,-0.51

9 1/2”

6 5/8 API Reg

400-600

60-350

4000-20000

+0,-0.76

12 1/4”

6 5/8 API Reg

550-850

60-350

4000-14000

+0,-0.76

17 1/2”

7 1/2 API Reg

550-850

60-240

5000-24000

+0,-1.14

Others

Depending on your requirements,we can design and produce all above specification(All sizes 3 1/2"~26").

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

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

Application

petroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work