Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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IADC API Carbide High Efficiency Tricone Rock Roller Bits For Exploration
Products Description
Range: Dia. 7 7/8” (200mm) to 12 ¼” (311mm)
Test Data of Our tools:
|
Locations |
Description |
Rock hardness |
Rock formation |
Drilling meters |
|
Australia |
D229-IADC545 |
F=8-10 (980-100Mpa) |
Gold mine (weathered roc, sandstone) |
14760ft |
|
Australia |
D251-IADC635 |
F=10-12 (100-120Mpa) |
Hematite |
9800-13000ft |
|
Australia |
D251-IADC545 |
F=6-8 below 80Mpa |
Coal mine |
23000-26000ft |
|
Hebei, China |
D251-IADC725 |
F12-14 (120-140Mpa) |
Iron mine |
4900-5250ft |
Applications:
For soft formation (Hardness F=7) with low compressive strength and high drillability, such as shale, soft limestone, sandstone, conglomerate, soft dolomite and coal bed, etc
|
IADC code |
435 |
|
Bearing Structure |
Roller-Ball-Second Thrust-Roller-First Thrust/Sealing, Abrasion-resistance carbide button insert on the bearing surface. |
|
Circulation type |
Jet Air |
|
Cutting Structure |
Inner Rows: Conical |
|
Pin connection |
API 4 1/2" REG |
|
Nozzel |
D18mmx3 interchangeable |
|
Metric bit diameter |
229mm |
|
Weight |
50kg |
Bit legs protection: Bit legs protection alloy button insert on the leg's surface, back and top space build up welding of abrasion-resistant alloy.
Operating suggestion:
Weight on Bit: 9000-36000lbs
Rotary speed RPM: 120-90 r/min
Air back pressure: 0.2-0.4 Mpa
Quality warranty:
Our products are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.
Production time:
Generally, Production time is 15 -25 days.
Transportation:
By air, By Express or By sea according to your requests.