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Our subsurface sucker rod pumps are meticulously crafted following the stringent guidelines of API 11AX and proudly bear the prestigious API monogram, along with ISO 9001 certification for quality excellence. Since adopting cutting-edge technology from the USA in the 1980s, we've expanded our range to over 40 distinct models and sizes, with diameters spanning from 28 mm to 108 mm, ensuring tailored solutions for diverse oil extraction needs.
The Sucker Rod pump, also recognized as an insert rod pump, stands as a pivotal component of conventional sucker rod pump systems. Uniquely designed to connect directly to the sucker rod, this pump can be effortlessly extracted along with the rod, leaving the tubing undisturbed. This design innovation significantly streamlines well inspection and maintenance, cutting down pumping test times by nearly half, and slashing associated costs. Thus, making the rod pump an ideal choice for deeper wells where efficiency and cost-effectiveness are paramount.
Featuring a robust suspension structure, this pump barrel enhances load-bearing capacity and optimizes performance in deep wells. Suitable for depths ranging from 500 to 1500 meters, this pump is engineered with precision to prevent bending through its gap bridge structure. The barrel, suspended in the outer section, bears no pressure, minimizing the risk of bending. By reducing the eccentric wear between the plunger and barrel, the pump's service life is significantly extended while ensuring superior efficiency. An innovative design minimizes pump loss with an eccentric distance of ε=0, making it exceptionally suitable for deep wells needing extended 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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