15-106 Small Sized RHBM And RHBC Downhole Pumps
RHBM and RHBC downhole pump description:
The rod pump plunger is directly connected to the sucker rod string, and may be tripped into and out the tubing with the barrel together with no need to pull out the tubing string, which can reduce maintenance time and downtime.
The life span of tubing can be prolonged by decreasing times of turning on and off the tubing thread and the time of working over is also shortened. The rod pump can be classified into two types of mechanical seating and cup seating. Also, it is divided into three types as RHA (stationary heavy well barrel top anchor rod pump), RHB (stationary heavy well barrel bottom anchor rod pump) and RHT (traveling heavy well barrel bottom anchor rod pump).
Main parts process and material:
Pump barrel: plain carbon steel plating (A1), ordinary carbon steel carbonitriding (B1), ordinary carbon steel carburizing (B2), low alloy steel nitride (B5).
Plunger: 1045 steel spraying (B1), 1045 steel spraying (B2), 1045 steel chrome plating (A1), 1045 steel double chrome plating (A2).
Valve ball and seat: stainless steel (A1), cobalt chromium (B2), tungsten carbide (C1), nickel and carbon compounds (C2), titanium carbide (C3).
Other accessories: plain carbon steel, low alloy steel, stainless steel, brass and other materials.
RW series API parameters table:
| RW Model | Pump diameter (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
| 30-250RWAM | Ø63.5 | 2.1-10 | 0.3-8.0 | 1.2-9.0 | / | 3-1/2” |
| 30-250RWBM |
| 30-250RWAC | Ø63.5 | 3-1/2" |
| 30-250RWBC |
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Heavy Walled RHBM RHBC Downhole Pumps Small Sized 15 - 106 Images
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