API Standard Type HDS / HDP / RTM or RTS Roller Kelly Bushing
Product Descrption
Roller kelly bushing is one of the necessary tools for oil drilling operation, which is fixed at the big bushing to pass the torque to the down hole drilling tools.
Kelly roller bushing includes square drive and four-pin drive: it is applicable to the ZP175-ZP375 rotary table and to 3 1/2” – 6” square and hexagonal kelly’s of different sizes. The design and fabrication conforms to API Spec. 7K and SY/T5080 as well as other technical standards and the special structural design can facilitate the change and adjustment of the roller.
Packaging
Packaging Details: Bundling and container packaging, we will put moisture-proof and rust-proof materials in the container to resist the harsh environment during transportation.
Design Features of Our Roller Kelly Bushing
- The bushing is easily installed into the master bushing, maintaining good alignment.
- The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate.
- Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.
- t is designed and manufactured according to API Spec 7K “Specification For Drilling Equipment".
- Pulling out or feeding off string can be done while rotating.
- Two transmission styles (square and pinconnect) are available.
- Because of its intergral construction, it can not fly out and hurt you.
Technical Specifications of Oilfield Roller Kelly Bushing
| Model | Type | Way of Drive | Square(in) | Hex(in) |
| HDS | Heavy | Square Drive | 3-6 | 3-6 |
| 27-HDP | Pin Drive | 3-6 | 3-6 |
| 20-HDP | Pin Drive | 3-6 | 3-6 |
| RTM4 | Medium | Square Drive | 2 1/25 1/4 | 3-4 1/4 |
| 20-MDP | Pin Drive | 2 1/2--4 1/4 | 3-4 1/4 |
| 17-MDP | Pin Drive | 2 1/2--4 1/4 | 3-4 1/4 |
| RTS4 | Light -duty | Square Drive | 2 1/2--4 1/4 | 3-4 1/4 |
Xi'An TianRui Petroleum Machinery Equipment Company Limited is a professional manufacturer and supplier of all types of petroleum equipment. The company is located in Xi'an city of China. And we have many years of history in the petroleum equipment industry. Our main products include drilling equipment, solid control equipment, oil production equipment, wellhead equipment, well control equipment, downhole tools, OCTG pipe, vavle & pipe fitting and oilfield tools.
Our staff are professional and experienced. By the hard efforts and united cooperation, we have established a wide sale network. Striving for excellent quality, better price and perfect service. Welcome new and old customers to order.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.
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API RTS Mining Roller Kelly Bushing Drill Spare Parts Images
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