API Oilfield Drilling Rig Part HDP Roller Kelly Bushing
Product Descrption
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
The bushing is to drive kelly by matching with rotary bushing. There are two drive modes: square drive and pin drive. Thre types: Heavy, medium, and light. For kelly: Square and Hexagonal. It fits for 17 1/2-49 1/2 in rotary tables. The product is designed and manufactured according to API Spec 7K Specification for Drill and well servising Equipment.
Main Characterstics of Oilfield Roller Kelly Bushing
- Two transmission styles (square and pinconnect) are available.
- Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.
- Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe.
- Change different rollers to match with different squares and hexagona l kelly pipes and connect with different rotary tables.
- It is designed and manufactured according to API Spec 7K “Specification For Drilling Equipment".
Technical Specifications of Our 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 |
Our products Including below:
Solid Control: shale shaker, mud cleaner, decanter centrifuge, mud agitator;
Drilling Bit: rock roller bit,tricone bit,pdc drill bit,single bit,cone bit and hole opener;
Drilling Equipment Parts: manual tong,elevator,slips,stabilizer;
Workover Fishing Tools: releasing spear,junk basket, overshot,reversing sub,die collar, fishing tap etc.
Xi'an TianRui Petroleum Machinery Equipment Company Limited was established in 2010 and located in Xi'an city of China. Our main products include: solid control equipment, dowhole tools, oilfield drilling rig and workover rig and their parts, wellhead tools, BOP and spare parts, mud pump spare parts.
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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