High Precision Well Pump Tubing With Chromium Molybdenum Alloy Steel Material
High Precision Well Pump Tubing With Chromium Molybdenum Alloy Steel Material
Product description
operating principle of tubing pumps:The pump barrel assembly directly fixed on a tubing string. the plunger assembly connected on the sucker rod string ,and with the up and down reciprocating motion, so as to realize the production process. Its advantage lies in: in the process of oil production, when the traveling valve and fixed valve side problems arise,valve side can be proposed by the sucker rod, piston and extractor, don’t put the whole pump and tubing string out of the well, reduce the work intensity and the operation cost.
Technical Specifications
| 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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