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Rotary drilling tool, 8 1/2 inch
After optimization design, the tooth arrangement is reasonable, and different tooth shapes and heights are designed for various rock formations, resulting in good drilling performance.
Category：
Rotary drilling tool
Product details
Specification
MODEL | FORMATIONS |
|---|---|
8 1/2 RA517 | Compressive strength<50MPa, in soft formations such as salt rock, schist, anhydrite, sandstone, siltstone, soft limestone, etc. |
8 1/2 RA537 | The compressive strength is 50-120MPa, in medium hard formations such as sandstone, slate, shale, limestone, etc. |
8 1/2 RA617 | The compressive strength is 120-190MPa, in hard formations such as quartzite, basalt, gabbro, limestone, dolomite, etc. |
Characteristic
◆ After optimization design, the tooth arrangement is reasonable, and different tooth shapes and heights are designed for various rock formations, resulting in good drilling performance.
◆ Adopting detachable installation to solve the heating problem of bearing seals during welding and increase the service life of bearings.
◆ The base can be repeatedly installed and used, reducing the frequency of on-site welding and greatly increasing work efficiency.
◆ Targeted optimization of the bearing system, with high load-bearing capacity and long service life.
◆ Widely used in the rotary drilling market, it can achieve high drilling efficiency.
Frequently Asked Questions
Q: What are the advantages of our company?
A: Our company integrates R&D and manufacturing. We are a bit manufacturer with over 30 years of experience in the industry, providing customers with efficient one-stop services including design and development, customized suggestions, manufacturing, direct sales, and after-sales support.
Q: If you can't find the model you need? Do you know how to choose the desired model? How to customize products?
A：Please click CONTACT or MESSAGE to let us know your needs. We will contact you soon and provide professional advice in the following areas.
| Bits type | 2 "-26" full size PDC bit (steel body bit / matrix body bit), tricone bit, core bit, hybrid bit, other drilling tools, etc |
|---|---|
| Bits parameters | PDC bits (blade number, cutting tooth specifications, composite cutters type, connection), tricone bit (tooth type (TCI/milled tooth), sealing form…) |
| Well information | Logging information, well depth and type (oil well, natural gas well, geothermal well, water well...) |
| Rock layer type | Limestone, dolomite, sandstone, clay rock, shale, etc Rock hardness level 1-7, from soft to hard, or "extremely soft, medium soft, soft, medium hard, hard, extremely hard" |
| Geographic location | Domestic and foreign, specific sections, and transportation weight |
| Other technical questions | - |
Q: How long does it take for customized products to arrive?
A: Generally, it takes 3 days to complete the sample model and 15 days to ship during peak season, using land, sea, air, or other transportation methods.
Q: How to solve your technical doubts? How to inquire about a price?
A: Please contact email rszwt2023@ruishibit.com Or WeChat zom2077, we will arrange professional personnel as soon as possible to solve your technical doubts one by one and provide you with a price quotation.
Q: What accessories do our drill bit products have?
A: There will be relevant instructions provided after packing.
Q: What other related products or services does our company have?
A: Our company not only produces various types of PDC drill bits and tricone bits, but also manufactures hydraulic oscillators, roller cone hole openers, engineering palm films, rotary drilling tools, downhole motor and diamond wire drawing die blanks. If you have any other industry related questions, we will do our best to answer them for you.
……
Company Qualification
Hebei Ruishi Bits Manufacturing Co., Ltd. established in 1990 is a long-term first tier supplier of CNPC, Sinopec, and CNOOC.
Plants
PDC bits production
Tricone bits production
We have a group of technical experts who have been engaged in drill bit design for more than 30 years, advanced five axis machining centers, and a large number of CNC machine tools, which can produce 2 "-26" full model PDC bits, various types of tricone bits, core bits, composite drill bits, hydraulic oscillators, roller cone hole openers, engineering palm films, rotary drilling tools, downhole motor and diamond wire drawing die blanks, which can be customized according to customers' needs.
We strictly adhere to the ISO9001 quality management system, ISO14001 environmental management system, and ISO45001 occupational health and safety management system in our enterprise operations, and strictly implement the API-7-1 quality management standard in the production process, whose details on the "Honor" page.
The company is equipped with a dedicated fleet, located in a location with developed transportation, close to the Beijing Kowloon Railway and the Daguang Expressway, and the Jinbao South Line crosses east-west. The sample molding is completed in 3 days, and the peak season shipment can arrive on the 15th.
Our drill bits have undergone 30 years of rigorous research and development, and have received a high praise rate of over 99% from customers.
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Ruishi's products are widely used in major oil fields such as Tarim, Tuha, Changqing, Dagang, Sichuan, Zhongyuan, Jidong, and North China. Ruishi has also established long-term strategic partnerships with these oil fields.
Our product quality and timely and thoughtful service stability have been highly recognized by customers. The company's products have been widely exported to countries and regions such as North America, the Middle East, and Russia.
American customers’ inspection
Russian customers’ inspection
Brazilian customers’ inspection
Brazilian customers’ inspection
2024 Russian NEFTGAZ
2024 Iran Oil and Gas Exhibition
2025 Russian NEFTGAZ
2025 OTC Houston USA
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To: Hebei Ruishi Bits Manufacturing Co.,Ltd
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No. 502, Taishan North Road, Renqiu Economic Development Zone, Hebei China
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