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Our exceptional subsurface sucker rod pumps are meticulously crafted in strict adherence to API 11AX standards, proudly bearing the prestigious API monogram and ISO 9001 certification for unparalleled quality assurance. Since the technology's inception from the USA in the 1980s, we have expanded our offerings to over 40 distinct models and sizes, with diameters ranging from 28 mm to 108 mm to meet diverse drilling requirements.
The Sucker Rod Pump, also renowned as the Insert Rod Pump, represents a classic in the realm of conventional sucker rod pumps. Ingeniously connected directly to the sucker rod, this pump allows hassle-free removal alongside the rod, sparing the tubing from any disturbances. This ingenious design not only streamlines well inspections and maintenance but also slashes pumping test time and costs by half, making it an ideal choice for deeper wells.
Engineered with a cutting-edge suspension structure, this pump barrel enhances load-bearing capabilities to ensure seamless operation in deep wells, with setting depths ranging from 500 to 1500 meters. Its standout features include an innovative gap bridge structure to avert bending, with the barrel elegantly suspended in the outer section to eliminate pressure exposure, minimizing the risk of bending. The strategic space between the plunger and barrel curtails eccentric wear, thus prolonging the pump's service life and boosting efficiency. With the related eccentric distance ε=0, it maximizes precision and minimizes losses, perfectly suited 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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