FA637G , 311.2mm Tricone Rock Bit, Geothermal Well Drilling , TCI Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code |
417 |
437
447
|
517
527
|
517
527
|
537
547
|
617
627
|
637
|
| WOB |
KN/mm(Bit Dia.) |
0.4~0.9 |
0.4~0.9 |
0.35~1.0 |
0.35~1.0 |
0.5~1.0 |
0.6~1.1 |
0.7~1.2 |
| Lb/in. (Bit Dia.) |
2285~5142 |
2285~5142 |
2000~5714 |
2000~5714 |
2857~5714 |
3428~6285 |
4000~6857 |
| Rotation Speed (Rpm) |
140~60 |
240~70 |
125~50 |
~60 |
110~50 |
100~40 |
80~4 |
Roller cone bits
A roller cone bit is a tool used for crushing rock, which has three cones that rotate, with attached hardened metal teeth which break the rock into small pieces.
A roller cone bit employs cones which rotate about their own axis or about the bit axis.
As the name implies, roller cone bits have cones which rotate about their own axis or about the bit axis.
A roller cone bit is a tool used for crushing rock, which has three cones that rotate, with attached hardened metal teeth which break the rock into small pieces.