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Our state-of-the-art subsurface sucker rod pumps are meticulously crafted in full compliance with the renowned API 11AX standards. Proudly bearing the prestigious API monogram and ISO 9001 certification, these pumps have benefited from cutting-edge technology introduced from the USA since the 1980s. We offer an impressive selection of over 40 models and sizes, meticulously designed to cater to the diverse needs of the industry. With diameters ranging from a precise 28 mm up to a robust 108 mm, our pumps are engineered for excellence and reliability.
Commonly known as the insert rod pump, the sucker rod pump represents a key innovation in conventional rod pump technology. This ingenious pump connects directly with the sucker rod, allowing for seamless extraction without affecting the tubing. This feature not only enhances the convenience of well inspections and workovers but also significantly reduces the time and cost associated with pumping tests. Perfectly suited for deeper wells, the rod pump stands as a testament to efficiency and cost-effectiveness.
Engineered with a sophisticated suspension structure, this pump barrel is designed to optimize load-bearing capabilities, ensuring enhanced performance in deep well operations. Suitable for depths ranging from 500 to 1500 meters, this pump boasts several remarkable features. Its innovative gap bridge structure effectively prevents bending, by suspending the barrel in the outer section to eliminate pressure and minimize bending risk. The reduced space between the plunger and barrel minimizes eccentric wear, prolonging service life while guaranteeing superior pump efficiency. With an eccentric distance ε=0, this design minimizes pump loss, making it ideal for deep wells, particularly those requiring the suspension of 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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