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Our subsurface sucker rod pumps proudly adhere to the esteemed API 11AX standards, earning both the prestigious API monogram and ISO 9001 certification. Since adopting cutting-edge technology from the USA in the 1980s, we have expanded our offerings to encompass over 40 diverse models and sizes. These remarkable pumps range in diameter from 28 mm to 108 mm, ensuring unmatched versatility and performance for a wide array of applications.
The Sucker Rod Pump, often referred to as the insert rod pump, is a quintessential example of conventional sucker rod pumps. Ingeniously designed, the rod pump directly connects to the sucker rod, allowing seamless extraction without impacting the tubing. This innovative feature facilitates effortless well inspections and workovers, offering significant savings in both time and costs associated with pumping tests. Its efficiency makes the rod pump an ideal choice for deeper wells, where precision and reliability are paramount.
Engineered with a sophisticated suspension structure, this pump barrel enhances load-bearing capabilities, making it exceptionally suited for deep-well operations. Capable of reaching depths between 500 to 1500 meters, this pump boasts a unique gap bridge structure that mitigates bending. The barrel's strategic suspension within the outer section alleviates pressure, minimizing the risk of bending. Moreover, the optimized space between the plunger and barrel reduces eccentric wear, significantly extending service life while ensuring superior pump efficiency. With an eccentric distance of ε=0, the design minimizes pump loss, making it perfect for deep wells requiring additional tail pipes.
| Specification | Nominal Pump Bore (in) | Plunger Length(ft) | Max.O.D.(mm) | Rod(in) | Tubing(in) | Pump Constant (m3/d) | Stroke (m) |
| 20-112RHBC | 1.12 | 4~6 | 46.7 | 3/4 | 2 3/8 | 0.92 | ≤7.5 |
| 20-112RHBM | 44.7 | ||||||
| 20-125RHBC | 1.25 | 47.5 | 3/4 | 2 3/8 | 1.14 | ||
| 20-125RHBM | 44.7 | ||||||
| 25-150RHBC | 1.5 | 59.5 | 3/4 | 2 7/8 | 1.64 | ||
| 25-150RHBM | 55.6 | ||||||
| 25-175RHBC | 1.75 | 59.5 | 3/4 | 2 7/8 | 2.24 | ||
| 25-175RHBM | 55.6 | ||||||
| 30-225RHBC | 2.25 | 72.1 | 3/4 | 3 1/2 | 3.69 | ||
| 30-225RHBM | 71.7 |
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