China Sucker Rod Manufacturing - High-Quality API Spec 11B Sucker Rods from Reliable Suppliers and Factory
Key Applications
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Efficient power transmission in continuous rod pumping cycles
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Resistance to alternating tensile and compressive stresses within oilwell bores
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Reliable operation in wells with corrosive fluids, high deviation angles, or abrasive formations
Manufactured to the rigorous requirements of API Spec 11B, each sucker rod undergoes quenching and tempering, ultrasonic inspection, magnetic particle testing, and dimensional verification to ensure integrity throughout the string. TAKELO also provides couplings, pony rods, and specialized surface treatments, such as copper plating, nitriding, or Ni-P alloy coating, to mitigate corrosion and extend fatigue life.
With extensive deployment across global oilfields, TAKELO sucker rods have demonstrated superior run-time performance, reduced failure rates, and compatibility with advanced rod-pump optimization technologies. These capabilities make them a dependable choice for both shallow stripper wells and deep, high-load pumping applications.
Sucker Rod & Pony Rod Specification
| Size (in) | Thread D. (in) | Length (ft) | Outside Diameter of Pin Shoulder (mm) | Length of Thread (mm) | Length of Wrench Square (mm) | Width of Wrench Square (mm) |
| 5/8 | 15/16 | 2, 4, 6, 8, 10, 25, 30 | 31.8 | 31.75 | ≥ 31.8 | 22.2 |
| 3/4 | 1 1/16 | 38.1 | 36.5 | 25.4 | ||
| 7/8 | 1 3/16 | 41.3 | 41.28 | 25.4 | ||
| 1 | 1 3/8 | 50.8 | 47.63 | ≥ 38.1 | 33.3 | |
| 1 1/8 | 1 9/16 | 57.2 | 53.98 | ≥ 41.3 | 38.1 |
| Grade | Yield Strength Rel (Mpa) | Tensile Strength Rm (Mpa) | Percentage Elongation A (%) | Contraction Percentage of Area Z (%) | Impact Toughness a(J/cm2) |
| C | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
| D | ≥ 620 | 794-965 | ≥ 10 | ≥ 50 | ≥ 58.85 |
| K | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
Polished Rod Specification
| Size (in) | Rod D. (mm) | Length (ft) | Thread D. (in) | Thread Length (mm) | Taper of Thread |
| 1 | 25.4 | 16, 24, 25, 30 | 15/16 | 28.58 | 9° |
| 1 Upset | 25.4 | 15/16 - 1 1/16 | 31.75 - 36.5 | - | |
| 1 1/8 | 28.6 | 15/16 - 1 1/16 | 34.93 | - | |
| 1 1/8 Upset | 28.6 | 1 3/16 - 1 3/8 | 41.28 - 47.63 | - | |
| 1 1/4 | 31.8 | 1 3/16 | 34.93 | - | |
| 1 1/4 Upset | 31.8 | 1 3/8 - 1 9/16 | 47.63 - 53.98 | - | |
| 1 1/2 | 38.1 | 1 3/8 | 44.45 | - |
| Grade | Yield Strength Rel (Mpa) | Tensile Strength Rm (Mpa) | Elongation A (%) | Contraction Z (%) | Impact Toughness ak(J/cm2) |
| 1 | ≥ 414 | 620-827 | ≥ 12 | ≥ 55 | ≥ 70 |
| 2 (General) | ≥ 586 | 655-1102 | ≥ 10 | ≥ 50 | ≥ 58.8 |
| 2 (Anti-corrosion) | ≥ 414 | - | ≥ 12 | ≥ 55 | ≥ 70 |
Frequently Asked Questions (FAQ)
What manufacturing standards do TAKELO sucker rods follow?
All TAKELO sucker rods and pony rods are manufactured strictly according to the API Spec 11B requirements, ensuring global compatibility and high quality.
What grades of sucker rods are available?
We provide Grade C, Grade D, and Grade K sucker rods to meet different load and environmental requirements, including corrosive and high-stress conditions.
How do you ensure the quality of the rods?
Every rod undergoes a comprehensive inspection process, including quenching and tempering, ultrasonic inspection, magnetic particle testing, and rigorous dimensional verification.
Can these rods handle corrosive oilwell environments?
Yes, we offer specialized surface treatments such as copper plating, nitriding, and Ni-P alloy coatings specifically designed to mitigate corrosion and extend the fatigue life of the rods.
What sizes and lengths are offered for pony rods?
Pony rods are available in standard sizes from 5/8" to 1 1/8" with lengths typically ranging from 2ft to 10ft, though other lengths like 25ft and 30ft are also supported.
Are TAKELO rods compatible with advanced pump optimization?
Yes, our sucker rods are designed for superior run-time performance and are fully compatible with modern rod-pump optimization technologies.