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Our state-of-the-art subsurface sucker rod pumps are proudly crafted in alignment with API 11AX standards and bear the prestigious API monogram alongside ISO 9001 certification. Originating from advanced technology introduced from the USA in the 1980s, we offer an impressive selection of over 40 distinct models and sizes, with diameters ranging from a compact 28 mm to a robust 108 mm.
The Sucker Rod Pump, alternatively recognized as an insert rod pump, represents a classic variant of conventional sucker rod pumps. Ingeniously designed, this pump is directly coupled to the sucker rod, facilitating an effortless removal process alongside the rod without disrupting the tubing. This configuration significantly simplifies well inspections and workovers, effectively cutting down the pumping test duration and associated costs by half, making the rod pump an ideal choice for operations in deeper wells.
Our pump barrel boasts a sophisticated suspension structure, revolutionizing load-bearing capabilities to enhance performance in deep wells. This pump is designed for impressive depths, reaching 500-1500 meters. It features a unique gap bridge structure to prevent bending, with the barrel delicately suspended in the outer section, eliminating pressure to avoid deformation. The strategically engineered space between the plunger and barrel minimizes eccentric wear, thereby prolonging service life and ensuring superior pump efficiency. To avert energy loss, the eccentric distance ε=0 is maintained, cleverly reducing pump loss. This pump is the quintessential solution for deep wells requiring extensive tailpipe 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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