API SPEC 7 Tricone Rock Bits
The PDC drill bit is mainly composed of the bit body, cutter, nozzle, gauge and joint. Due to the changes of mixing technology
and manufacturing technology, the quality of the cutting teeth performance is better, the resistance to erosion of the drill and
the impact resistance ability is greatly improved. It can be used for drilling hard inter layer and long periods of hard rock
formation.
Engineering has also been optimized for tungsten carbide substrate and the interface between the synthetic diamond, in order
to improve the toughness of the cutter. Layered diamond technology innovatioHot Sell API Used Pdc Drill Bit Sale For Oil Field Of Chinese Manufacturern has also been used to improve the abrasion resistance and thermal stability of the product.

1. Certified by ISO9001 & API
2. Stable drilling
3. Good mud emission
4. Balanced hydraulic design
5. Multiple use in different wells
Size & parameter for choosing directly | ||||||
² |
Size |
PAL Whorl |
PAL Whorl |
Rotation speed |
Weight on bit |
Diameter |
² |
(in) |
specification |
Rate(gpm) |
(rpm) |
(Ibs) |
tolerance(mm) |
² |
6” |
3 1/2 API Reg |
200-350 |
80-380 |
2000-15000 |
+0, -0.38 |
² |
8 1/2” |
4 1/2 API Reg |
300-500 |
60-350 |
3000-11000 |
+0, -0.51 |
² |
9 1/2” |
6 5/8 API Reg |
400-600 |
60-350 |
4000-20000 |
+0, -0.76 |
² |
12 1/4” |
6 5/8 API Reg |
550-850 |
60-350 |
4000-14000 |
+0, -0.76 |
² |
17 1/2” |
7 1/2 API Reg |
550-850 |
60-240 |
5000-24000 |
+0, -1.14 |
² |
Others |
According to your requirements, we can design and produce all above specification(All size 3 1/2”--26”) |
||||
1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on bit is balanced that resulting
better stability of the bit.
2. Main cutter are high performance PDC cutters to insure service life of the bit while improving ROP.
3. Cutter exposure is optimized to insure the bit can achieve higher ROP is soft to medium formations.
4. Shock absorbers are designed to make the bit capable of drilling through formations with hard strigers.
5. Hydraulic system of the bit is optimized using dynamic flow pattern simulation technology to enhance cleaning and cooling
effects of the bit to effectively prevent bit from balling.
1. Suit for drilling medium to medium-hard formations.
2. Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented.
3. Composite gage protection and low torque design improve rate of penetration.
4. CFD hydraulic balance design results in better bit cleaning and cutting removal .
5. Combined utilization of high performance PDC compacts significantly prolongs bit life.
6. Higher nozzle counts and fixed ports to best serve cleaning,cooling and cuttings evacuation requirements with available
hydraulic flows.Allows for higher flow rates with minimal increase in pump pressure.
- PDC drill bit is mainly used to drill Oil well, gas well, water well, etc.
- We design and produce specific PDC bit with good performance for each soft, medium and hard formation.
- Clay stone/lignite/siltstone/sands: We design 3- 5 blades with low density cutter placement, large slot. Low cost,high speed.
- Mudstone: We have experience to design suitable blades shape and cutter direction to get high drill speed and stable drill.
- Gravel/limestone/shale/clay stone/tuff: Round crown and reasonable cutter direction. Drill smoothly in good speed.

Chengdu Abel Import & Export Trading Co., Ltd. is a professional trading company located in Chengdu, the industrial and
1. Import & export of various kinds of mechanical, electrical & electronic devices or equipement and instrument devices as well as other industrial products.
2. Processing with supplied drawings, samples and materials.
3. Offering consulting services.
4. Technilogical transfer.
5. Bringing you the best in value and design coupled with excellent service at the most competitive price, is always our guiding principle. We highly appreciate a long term business relationship with clients.
No.1 Professional team with rich experiences Professionals |
No.2 Best Service and most Reasonable Price |
No.3 Cost Control and Problem Solution Advice |
No.4 One Stop Service |
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