Oil well pump, oil extraction system of submersible linear motor well and working method of oil extraction system
A technology of linear motors and oil well pumps, which is applied in the field of oil well lifting, and can solve problems such as difficulties in the inspection of oil well pumps
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0022] In an embodiment of the present invention, an oil well pump is provided, such as figure 1 As shown, the well pump includes:
[0023] Pump barrel 10;
[0024] The plunger 6 is arranged inside the pump cylinder 10;
[0025] Swimming valves, including floating valve balls 9 and floating valve seats 8, are arranged on the upper part of the inner cavity of the plunger 6;
[0026] Fixed valve, fixed valve ball 12 and fixed valve seat 11 are arranged on the top of the plunger 6 and the inner cavity of the pump cylinder 10;
[0027] An oil outlet joint 14 is connected to the top end of the p...
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Abstract
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