Turbocharger of oil well pump
A technology of turbocharger and oil well pump, which is applied in the direction of pump, pump device, machine/engine, etc., can solve the problems of low pump efficiency and high energy consumption of oil well pump
Inactive Publication Date: 2015-10-21
PETROCHINA CO LTD
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Problems solved by technology
[0003] The invention solves the technical problems of low pump efficiency and high energy consumption of the oil well pump in the prior art by providing a turbocharger for the oil well pump
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Embodiment Construction
[0027] In order to solve the technical problems of low pump efficiency and high energy consumption of the prior art oil well pump, the present invention provides a turbocharger for the oil well pump, through the cooperation of the inner turbine and the outer turbine, the liquid inlet speed of the oil well pump inlet is accelerated , thus improving the pump efficiency.
[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of t...
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The invention relates to the technical field of oil exploitation, and aims to solve the technical issue that a present oil well pump is low in pump efficiency and large in energy consumption. The invention provides a turbocharger of an oil well pump. The turbocharger of the oil well pump comprises a housing, an upper center tube, an outer turbine, an inner turbine, a bearing and a lower center tube, wherein the upper center tube, the outer turbine, the inner turbine, the bearing and the lower center tube are disposed in the housing. The upper end of the housing is provided with a first expanding portion, an expanding shoulder portion of the first expanding portion is provided with a plurality of axial through holes. The outer turbine sleeves the upper center tube, one end of the inner turbine sleeve the upper center tube, and the inner turbine and the outer turbine are connected through occlusion. The bearing is disposed in the other end of the inner turbine. The other end of the lower center tube supports the bearing. The housing, corresponding to the portion between the expanding shoulder and the outer turbine is provided with a plurality of axial first slits. After a liquid enters into the housing of the turbocharger of the oil well pump through the axial through holes and the first slits, the liquid drives the outer turbine to rotate, further, the outer turbine drives the inner turbine to rotate, the inner turbine suspends upwards to pressurize the liquid so as to accelerate the speed of income liquid, so the pump efficiency can be raised.
Description
technical field [0001] The invention relates to the technical field of oil exploitation, in particular to an oil well pump turbocharger. Background technique [0002] At present, in the process of oilfield development, more than 95% of the oil pumping is carried out in the way that the donkey head pumping unit drives the downhole reciprocating pump to pump oil and lift. Yet adopt above-mentioned method to carry out oil pumping, because oil pipe and pump rod expand and contract during work, often can affect the effective working stroke of plunger, cause oil well pump pumping efficiency to be low. Especially, when the oil pump is carried out in the deep well more than 2000 meters and lifts, the pump efficiency of the oil pump has only about 25%, and the low pump efficiency will not only affect the oil production of the oil well, but also waste energy. Contents of the invention [0003] The invention solves the technical problems of low pump efficiency and high energy consum...
Claims
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IPC IPC(8): F04B23/10
Inventor 刘树高杨静李少甫
Owner PETROCHINA CO LTD