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API TH Model Tubing Type Oil Downhole Pumps
API TH model tubing type oil downhole pump Description:
There are seven major components for downhole rod pumps: standing
and traveling valves, plunger, barrel, seating assembly, pull tube
or valve rod (for insert pump), and the fittings that hold the
assembled pump together.
Tubing pumps are installed by running in hole with the tubing
string.Pump 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.
When barrel repairs are required on a tubing pump, the entire tubing string must be pulled.
Tubing downhole pump technical parameters:
| API 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. High volume and pressures than the rod type pump
2. Heavy wall barrel
3. Suitable for well with viscosity oil
