Downhole down hole barrel pump centrifugal pump
Downhole down hole barrel pump centrifugal pump
Product DescriptionShengji has 40 years’ experience in designing and manufacturing oil and gas production subsurface sucker rod pump,sucker rod pump barrel and participated in the draw up of the national standard of gas production subsurface sucker rod pump,sucker rod pump barrel. Shengji also developed the unconventional pump suitable for heavy oil well , high gas-cut well and high sand-cut well. Shengji deep well pump has been exported to SHELL, CHEVRON, SCHLUMBERGER, GE, NOV, JOHNCRANE, CAMERON, KBM, etc. Annual production reaches 15,000 sets.
Oil and Gas Production Subsurface Sucker Rod Pump(Rod Type)
| 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 |
Oil and Gas Production Subsurface Sucker Rod Pump (Tubing Type)
| Pump designation | Pump Bore(in) | Length of Plunger (mm) | Range of Stroke (mm) | Pump Constant (m3/d) | Size of matched tubing (in) | Size of connecting Sucker Rod(mm) | Length of extension Coupling |
| 25-125 | 1.25 | 600-1200 | 600-1200 | 1.14 | 2-1/2 2-7/8 | 16 | 300-900 |
| 25-150 | 1.5 | 1.642 | 2-1/2 2-7/8 | 16 | |||
| 25-175 | 1.75 | 2.235 | 2-1/2 2-7/8 | 16 | |||
| 20-175 | |||||||
| 25-225 | 2.25 | 3.694 | 2-7/8 | 19 | |||
| 25-275 | 2.75 | 5.518 | 2-7/8 | 22 | |||
| 30-275 | 2.75 | 5.518 | 3-1/2 | 22 | |||
| 30-325 | 3.25 | 7.707 | 3-1/2 | 22 | |||
| 30-375 | 3.75 | 10.261 | 3-1/2 | 25 | |||
| 40-375 | 3.75 | 10.261 | 4 | 25 |
Shengji Oil and Gas Production Subsurface Sucker Rod Pump Adaptive Capacity
| No. | Item | Rod pump | Tubing pump | ||
| Standing barrel | Traveling barrel | ||||
| Top anchor | Bottom anchor | ||||
| 1 | Pump radial& Displacement | smaller | smaller | smaller | large |
| 2 | Whether Unloading | no | no | no | yes |
| 3 | cost | high | high | higher | lower |
| 4 | Anti-leakage | bad | bad | better | good |
| 5 | Inclined well | good | good | bad | normal |
| 6 | Deep pumping capacity | bad | good | bad | better |
| 7 | Stroke Length | long | long | short | long |
| 8 | Check cycle | longer | shorter | longer | long |
| 9 | Flow design | good | good | worse | better |
| 10 | Fluid viscosity(cP) | About 400 | About 400 | Less than400 | About 400 |
| 11 | Gas Compression ratio | larger | larger | smaller | smaller |
| 12 | Liquid level | low | lower | higher | higher |
| 13 | Anti-Sandiness | better | worse | good | better |
| 15 | Anti- corrosion | normal | normal | normal | better |
| 16 | Adapt to the bad environment | normal | normal | normal | better |
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Production Equipment
Oilfield Application
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Development HistoryIn 1964, our factory is established;
In 1995, we bought in the first tubing production line;
In 2007, our company is restuctured;
In 2015, we became the supplier for Schlumberger and Haliburton.
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