Core barrel with bullet teeth
Product feature and advantages
Cutting ring with rock drilling bits and releases the internal stress of rock;
Rock drilling bits perform stage breaking and drilling;
Small barrel facilitates the coring operation, large barrel performs stage breaking;
Applicable layers: Backfill layer, medium weathered rock, bedrock;
|
Cutting diameter(mm) |
Shell height(mm) |
Shell thickness(mm) |
Stiffening ring thickness(mm) |
Stiffening ring height(mm) |
Teeth quantity |
Weight（KG） |
|
600 |
1200 |
16 |
20 |
200 |
6 |
540 |
|
800 |
1200 |
16 |
20 |
200 |
9 |
690 |
|
900 |
1200 |
16 |
20 |
200 |
10 |
750 |
|
1000 |
1200 |
16 |
20 |
200 |
11 |
870 |
|
1200 |
1200 |
16 |
20 |
200 |
13 |
1020 |
|
1500 |
1200 |
16 |
20 |
200 |
16 |
1400 |
|
1600 |
1200 |
16 |
20 |
200 |
17 |
1530 |
|
1800 |
1000 |
20 |
20 |
200 |
19 |
1860 |
|
2000 |
800 |
20 |
20 |
200 |
21 |
1870 |
|
2200 |
800 |
20 |
20 |
200 |
23 |
2400 |
|
2500 |
800 |
20 |
20 |
200 |
27 |
2705 |
|
2800 |
800 |
20 |
20 |
200 |
30 |
3200 |
|
3000 |
800 |
20 |
20 |
200 |
32 |
3800 |
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;
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;
