API 7K Oilfield Model MDP Square Drive Roller Kelly Bushing
Product Descrption
Roller Kelly bushing is a necessary tool tor drilling, by matching with the rotary square to drive Kelly pipe. The product can reduce its friction with Kelly by rotation of four rollers and extend its service life .Change different rollers to match with different square and hexagonal Kelly pipes and connect with different rotary tables .Two transmission styles(square and pin connect)are available. The product is designed and manufactured according to API Spec 7k”Specification for Drill Equipment".
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.
Design Features of Our Oilfield Roller Kelly Bushing
- Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe.
- Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.
- Change different rollers to match with different squares and hexagona l kelly pipes and connect with different rotary tables.
- Two transmission styles (square and pinconnect) are available.
- It is designed and manufactured according to API Spec 7K “Specification For Drilling Equipment".
Technical Data Table 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 |
Xi'an TianRui Petroleum Machinery Equipment Company was established in 2010 and located in Xi'an city, Shaanxi Province of Chia, covers an area of more than 330 million square meters. Our main products include: oilfield drilling rig and workover rig and their parts,wellhead tools, BOP and spare parts,mud pump spare parts, solid control equipment.
Our products Including below four series with full model types
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.
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 7K Oilfield MDP Square Drive roller kelly bushing Images
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