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Oilfield Downhole working Rod Inserted Pump
Oilfield downhole working rod inserted pump description
Sucker rod pump should be installed inside the tubing with the sucker rod, so it's also called inserted pump.
The top anchored pump with stationary barrel is suitable for sandy wells; The bottom anchored pump with stationary barrel is suitable for deep wells;The traveling barrel pump is suitable for sandy wells.
While there are only two main types of pumps standardized by API, there are four different types of rod pumps. These are classified by the type of barrel (standing or traveling) and where the pump is anchored (top or bottom). API Spec. 11AX. shows the letter designations for the various types of rod and tubing pumps that are available for different barrel thicknesses and either metal or soft-packed plungers.
Rod inserted pump parameters
| specification (mm) | Length of plunger(mm) | Connected thread (in) | Stroke (m) |
| φ70 | 600 | 2 7/8 | 4 |
| φ83 | 600 | 2 7/8 | 4 |
Insert pump delivery pictures
