TCI Teeth Elastomer sealed bearing tricone rock bit
1. Description:
The roller bit is a widely used drilling bit.
When the roller bit is working, the cutting teeth contact the bottom of the well alternately, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high.
It is easy to penetrate the formation; the total length of the working edge is large, so the wear is relatively reduced. The roller bit can adapt to a variety of formations from soft to hard.
2. Structural features:
The insert drill bit is an oil-storage sealed sliding or rolling bearing, jet-type three-cone drill bit, optimized design, reasonable tooth arrangement, different tooth shapes and tooth heights designed for various rock formations;
Good diameter protection performance, bearing system inlaid with anti-friction alloy, and silver-plated, precision processing, anti-bite, high load-bearing capacity, long life. Widely used in oil and gas field exploitation and geological drilling, can achieve high drilling efficiency.
The insert drill bit adopts high-toughness carbide teeth, optimized design of tooth row number, number of teeth, tooth height and alloy tooth shape, giving full play to the cutting ability of the insert drill bit.
3. Recommended Drilling Parameter:
| IADC WOB (KN/mm) |
RPM (r/min) |
Applicable |
Formations |
| 417/437/447/415/435 |
0.35~0.9 |
150~70 |
Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc. |
| 517/527/515 |
0.35~1.0 |
140~60 |
Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
| 537/547/535 |
0.45~1.0 |
120~50 |
Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. |
| 617/615 |
0.45~1.1 |
90~50 |
Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc |
| 637/635 |
0.5~1.2 |
80~40 |
Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
| Note: The upper limits ofWOB and RPM in above table should not be used simultaneously. |
4. Specifications:
| Size |
6 1/2" |
| IADC Code |
637 |
| Thread |
3 1/2REG |
| Dimension |
205*205*350(mm) |
| Teeth Type |
Standard Type |
| Back cone feature |
single Row |
| Sealed Protection |
Enhanced Type |
| N.W/G.W(KG) |
17/18 |
5. Feature Advantage:
- When the roller bit is working, the cutting teeth contact the bottom of the well alternately, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small;
- The specific pressure is high, and it is easy to cut into the formation;
- The total length of the working edge is large, so the wear is relatively reduced;
- The roller bit can adapt to a variety of formations from soft to hard.
6. Packing and Delivery:
Company Profile
Glorytek Industry ( Beijing) Co., Ltd is a professional manufacturer and supplier of drilling equipment and drilling tools with over 20 years experience. We are supported and assisted by highly experienced R & D team and engineers that enable us to complete all the assigned projects successfully as per clients’ requirements.
Our factory covers an area of 250,000 square meter, construction area is about 150,000 square meter, having machining machinery, CNC processing center, friction welding machine, testing equipment etc. over 200 sets and more than 600 employees.Our products have been exported more than 60 countries around the world.
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