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The subsurface sucker rod pumps are meticulously crafted in strict accordance with API 11AX standards. They proudly carry the prestigious API monogram and ISO 9001 certification, underscoring our commitment to quality and excellence. This advanced technology, originally introduced from the USA in the 1980s, has evolved over the years. Today, we offer an impressive range of over 40 models and sizes of sucker rod pumps, with diameters spanning from 28 mm to 108 mm, ensuring that there's a perfect fit for every need.
The Sucker Rod Pump, also popularly known as the insert rod pump, is a distinguished member of the conventional sucker rod pump family. Ingeniously designed to connect directly with the sucker rod, it can be effortlessly extracted alongside the rod without affecting the tubing, making well inspections and workovers significantly more convenient. This innovative design not only slashes the time required for pumping tests by half but also dramatically cuts associated costs, making it an ideal solution for deeper wells.
Featuring an advanced suspension structure, the pump barrel is optimized for enhanced load-bearing capabilities, enabling efficient operation even in deep wells with settings ranging from 500 to 1500 meters. Key characteristics include its innovative gap bridge structure, which prevents bending by suspending the barrel in the outer section, eliminating pressure and reducing the risk of bending. The strategic spacing between the plunger and barrel minimizes eccentric wear, thereby extending the service life and ensuring superior pump efficiency. With an eccentric distance ε=0, pump loss is minimized, making this pump the perfect choice for deep wells requiring numerous 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 |