| Prod Model: |
8 1/2 " |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Tractor Hoist Type: |
Wheeled Tractor Hoist |
| Offshore Unit Type: |
Jack-up Drilling Rig |
| Drill Bit Size: |
8 1/2 Inch |
| Rig Type: |
Mechanical Rig |
| Drilling Depth: |
1800m |
| Transmission System: |
Mechanical |
| Power Type: |
Electric |
| Usage: |
Well Drilling , Oil and Gas Exploitation |
Product Description
We guaranteed products at a competitive price and high quality. At present, our products have a very good sale in domestic and overseas market. We wish to cooperate with you to create a bright future and mutual benefit. Much appreciation for your prompt attention in advance, we are eager to look forward to hearing from you soon.
Bit specification
The drill bit adopts short parabolic profile optimization, suitable for soft to medium soft formation
Gradually open the asymmetric spiral blade teeth arrangement design. Improve the stability of the bits.
The main and auxiliary cutting structure design, improve the life
High performance composite sheet used in combination, improve the service life of the drill bit
Design and Simulation of hydraulic balance of bottomhole flow field, more conducive to the drill bit cooling cleaning and chip
The drill bit adopts short parabolic profile optimization, suitable for soft to medium soft formation
Gradually open the asymmetric spiral blade teeth arrangement design. Improve the stability of the bits.
The main and auxiliary cutting structure design, improve the life
High performance composite sheet used in combination, improve the service life of the drill bit
Design and Simulation of hydraulic balance of bottomhole flow field, more conducive to the drill bit cooling cleaning and chip
Attention: Do not use the maximum WOB and maximum RPM at same time!
| size | nozzles | number of cutting tooth | gage length | API PIN | wob | rpm |
| in |
|
| mm | in | kN/mm | r/min |
| 8 1/2 | 4 | 30 | 85 | 4 1/2 | 30-100 | 50-500 |
| 9 1/2 | 4 | 36 | 82 | 6 5/8 | 30-100 | 50-500 |
| 11 5/8 | 6 | 46 | 100 | 6 5/8 | 50-160 | 50-500 |
| 12 1/4 | 6 | 52 | 120 | 6 5/8 | 50-160 | 50-500 |
Hebei HengJi Drill Bit Manufacture Co., Ltd., as a leading manufacturer of tricone bit and PDC bits, our products are made strictly complying with API specifications and ISO9001.
Hebei HengJi Drill Bit Manufacture Co. Ltd was established in 1997. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices.
We ship to more than 30 different countries and serve industries such as Oil & Gas, water well, Construction, Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with
Everything from choosing the right bit to shipping around the globe.
Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost, Speed the drilling, Guarantee the safety is always our aim.
