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API Wheeled Rod Guides for Sucker Rods Wheeled Roller Centralizer With Galvanizing Process
1. Products Description:
1. Roller Centralizer should be installed:
1) On the first two or three rods above the bottom hole pump.
2) Intermittently throughout the rod string where wear is indicated on rods or tubing.
3) Where known hole deviation occurs.
4) On the first two or three rods below the stuffing box.
2. Tech Parameter
Specification | DIMENSIONS(INCH) | ||
Diameter | Length | Length of the groove | |
5/8''ROD/2-3/8''TUBING | 1.50 | 27 | 1.80 |
3/4''ROD/2-3/8''TUBING | 1.50 | 27 | 1.80 |
5/8''ROD/2-7/8''TUBING | 1.50 | 27 | 2.25 |
3/4''ROD/2-7/8''TUBING | 1.50 | 27 | 2.28 |
7/8''ROD/2-7/8''TUBING | 1.625 | 27 | 2.28 |
1''ROD/2-7/8''TUBING | 2.0 | 29 | 2.28 |
3/4''ROD/3-1/2''TUBING | 1.50 | 31 | 2.75 |
7/8''ROD/3-12''TUBING | 1.625 | 31 | 2.75 |
1''ROD/3-1/2''TUBING | 2.0 | 31 | 2.75 |
3. Temperature Caution
Standard models are for applications in wellbore temperature up to 175°F. (fitted with glass-fiber reinforced nylon 6 wheels), For service in higher temperature, Special metal wheels are used.
4. Parts of roller centralizer for sucker rod
NO | PART NO | NAME | QTY | MATERIAL |
1 | RG-01 | Wheel | 4 | Glass-fiber Reinforced Nylon 6 |
2 | RG-02 | Roll pin | 4 | Stainless steel |
3 | RG-03 | Coupling body | 1 | 35CrMo |
Wheeled rod guides centralize the rod string and reduce friction during stroking, and also reduce wear on sucker rods and tubing.