Active Member
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[China]
Address: PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Contact name:Rick Liao
Hunan New Diamond Construction Machinery Co., Ltd. |
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The main structural features
1, the use of high strength and toughness carbide teeth, improve
the impact resistance of teeth to reduce the broken tooth rate;
2, Optimized design of the number of teeth, the number of teeth,
tooth height and unique alloy tooth profile, give full play to the
bit cutting ability and cutting speed;
3, the use of snap-lock locking cone, can withstand high-pressure
drilling;
4, cone welding inlay reduction alloy, improve anti-bite bearing
capacity;
5, the use of highly saturated nitrile rubber O-ring, the optimized
seal compression to improve the reliability of bearing seals;
6, the use of all-rubber reservoir can limit the pressure
differential and prevent the drilling fluid from entering the
lubrication system, providing a good lubrication for the bearing
system and ensuring the normal working of "O" ring seals and
increasing the working life of the drill bit;
7, the use of new low-wear grease, drill seal lubrication system to
improve the ability of high temperature.
Description
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 | ||||||
| 7 7/8” 200mm | 412 | Very soft formations with low compressive strengths and high drillability. | Chisel on gage,conical on inner rows;Hardmetal on lug;Wear resistant carbide on shirttail lip and lug. | 75 | 34 | 4 1/2” API | 7,880-15,750Ibs/120-90RPM |
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.
