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.
