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Our premier subsurface sucker rod pumps are expertly crafted in strict adherence to API 11AX standards. Boasting the prestigious API monogram and ISO 9001 certification, these pumps echo the advanced technology first introduced from the USA in the 1980s. We offer an extensive selection of over 40 models and sizes, with diameters spanning from a precise 28 mm to a robust 108 mm.
The Sucker Rod Pump, also referred to as an insert rod pump, represents a pinnacle of conventional sucker rod pump design. It seamlessly connects to the sucker rod, allowing for removal alongside it without disturbing the tubing. This innovation makes well inspections and workovers significantly more efficient, cutting the time and costs associated with pumping tests. This makes the rod pump an ideal solution for deeper wells.
The pump barrel employs an innovative suspension structure, enhancing its load-bearing capacity for optimal performance in deep wells. This engineering excellence allows a setting depth ranging from 500 to 1500 meters. Key features include a gap bridge structure to prevent bending, with the barrel suspended in the outer section to eliminate pressure and minimize bending risks. The design minimizes eccentric wear between plunger and barrel, thus extending the pump's service life and enhancing efficiency. The strategically calculated eccentric distance of ε=0 further curtails pump loss, making this pump particularly suitable for deep wells that require extensive tail pipe suspension.
| 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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