Core barrel with roller bit
Features and advantages
Cutter ring with rock drilling bits and release the internal stress of rock;
Drilling with the method of rolling and squeezing can increase the anti-wear ability of the barrel;
Small barrel facilitates the coring operation, large barrel performs stage breaking;
Applicable layers: Medium or slightly weathered rock, hard or super-hard bedrock;
|
Cutting diameter （mm） |
Shell height (mm) |
Shell thickness (mm) |
Stiffening ring thickness (mm) |
Stiffening ring height (mm) |
Teeth quantity |
Weight (kg) |
|
600 |
1200 |
20 |
20 |
200 |
4 |
600 |
|
800 |
1200 |
20 |
20 |
200 |
6 |
800 |
|
900 |
1200 |
20 |
20 |
200 |
7 |
820 |
|
1000 |
1200 |
20 |
20 |
200 |
8 |
980 |
|
1200 |
1200 |
20 |
20 |
200 |
10 |
1300 |
|
1500 |
1200 |
20 |
20 |
200 |
12 |
1600 |
|
1600 |
1200 |
20 |
25 |
200 |
13 |
1740 |
|
1800 |
1000 |
20 |
25 |
200 |
15 |
1950 |
|
2000 |
800 |
25 |
25 |
200 |
16 |
2350 |
|
2200 |
800 |
25 |
25 |
200 |
18 |
2700 |
|
2500 |
800 |
25 |
25 |
200 |
21 |
3000 |
|
2800 |
800 |
25 |
25 |
200 |
24 |
3800 |
|
3000 |
800 |
25 |
25 |
200 |
25 |
4300 |
Cutting DIA. Custom : design various cutting diameter based on demand, like φ950、φ1050 etc.
Shell HIT. Custom : design as demand, prolong or shortten, increase of efficiency by drilling more.
Key Component Reinforce Custom : strengthen the key component to extend life cycle;
Roller Bits Custom: new roller bits, used roller bits and detachable roller bit design as demand;
Kelly Box Custom : custom kelly box size based on the kelly bar, like 130*130, 150*150,200*200 etc;
Teeth No. Custom : encrypt the drilling teeth based on demand etc;
