Cautions
Please select the applicable formation and parameters according to the instructions.
Carefully check the bits appearance and to check the bits threaded end face,whether the serial number on the box and certificate.
Selection of WOB and RPM should be within the limits of the recommended parameters, higher WOB and RPM cannot be used simultaneously.
Bottom hole must be clean and bit must not be used for long section reaming.
Drilling process must operate smoothly, find that there is Bie jump on abnormal phenomenon, should be timely analysis and take effective measures
The bit should be kept indoor with dry and well ventilated conditions at 10-33℃ and kept from sunshine and rain. Stored under such conditions, quality of bit is guaranteed for 3 years.
Specifications
| Bit Diameter |
IADC |
Applications |
Special Features(Cutting Structure,Lug Protection) |
Weight |
PIN Conn |
Operating Suggestions WOB/RPM |
| Ibs |
KG |
| 9 7/8” 251mm |
645 |
Medium-hard and abrasive formations with high compressive strengths. |
Coical on gage and inner rows;Hardmetal on lug;Wear resistant carbide on shirttail lip and lug. |
143 |
65 |
6 5/8”API |
29,625-59,250Ibs/100-60RPM |
Feature Advantage
1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.
