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Designed & developed according to the construction requirements and market demand, trench-less cone palm can be applied to various formations and drilling tools, achieving a full coverage of 8-1/2 to 12-1/4 inch.
Internal structure of GRANDDTS Horizontal Drill Bit:
1. Adopting the steel ball locking sliding bearing and the bearing surface is welded with wear-resistant alloy, which has high wear-resistant performance and longer service life.
2. High performance rubber sealing structure and metal sealing structure improve the life and reliability of the whole sealing structure.
3. High performance environmental protection grease and bearing structure equipped with oil storage and pressure compensation system improve the working life of the bearing.
4. Carbide inserts with high strength and toughness can improve the impact resistance of inserts and reduce the insert broken rate.
5. Optimized cutting structure, insert exposed height, quantity and shape strengthens the drilling coverage, giving full play to the advantages of trench-less reamer.
At the same time, the product combines the working condition of horizontal drilling with the trench-less cone and design a special palm back stabbing structure. Grand can develop special models of products according to customers' needs. Please download our samples for details.
Selection Table
Trench-less cone
seal type |
Type |
medium to soft formation |
medium to hard formation |
|||||||
Inch |
mm |
517 |
527 |
537 |
547 |
617 |
627 |
637 |
647 |
|
Rubber seals |
8 1/2 |
216 |
V |
V |
||||||
9 7/8 |
251 |
V |
V |
|||||||
12 1/4 |
311 |
V |
V |
|||||||
Metal seal |
8 1/2 |
216 |
V |
V |
||||||
12 1/4 |
311 |
V |
V |
|||||||
Note
The “V” in the table represents the existing IADC, and the IADC without “V” in the table can be designed.
We have a wide range of horizontal directional drilling (HDD) equipment designed and matched for any type of drilling conditions. The versatility of this product is matched to the drilling requirements to optimize customer productivity.
Tianjin Grand Construction Machinery Technology Co., Ltd., deeply engaged in rock breaking tools more than 20 years. For more details on oil well bits, please click here.
More information:
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