Large Volume Oil Production Downhole Pumps
Large volume oil production downhole pump Description:
Large volume oil production downhole pump is the tubing pump. All tubing pumps are heavy walled, is stronger than rod pumps.
For this type of pump, the barrel is put in the well to the designed depth with tubing. And then put the plunger into the barrel with sucker rod. Given the tubing size, the bore of the tubing pump is larger than that of the rod pump, so the pump rate is higher.
There is a wide range of plunger (or pump-bore) sizes standardized by the industry. The API pump-bore sizes that are currently available range from 1 1/16 to 3 3/4 in. in diameter. This 1 1/16-in. size has been added back in the latest edition of the standard. Additionally, a new barrel type has been accepted in the latest API Spec. 11AX. This is the "X-type" barrel. It has a thin-walled barrel configuration for threads on either end of the heavy-walled barrel and is available for metal plungers only. This type of pump does not require the extension couplings normally needed for heavy-walled barrel pumps. Thus, this pump reduces the burst or collapse concerns of the thin-walled extension couplings and allows deeper producing depths to be attained.
Tubing type downhole pump technical parameters:
| THM Model | Pump OD (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
| 20-175THM | Ø44.45 | 7-34 | 1-26 | 4-29 | 2-8 | 2 3/8" |
| 25-225THM | Ø57.15 | 2 7/8" |
| 30-275THM | Ø69.85 | 3 1/2" |
| 40-375THM | Ø95.25 | 4 1/2" |
Features:
1. Tubing pump is the strongest pump. It has large flowing area for fluid and it is suitable for producing viscosity oil.
2. Standing valve can not be pulled out
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Large Volume Oil Production Downhole Pumps Bottom Seating Images
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