Pumping assisting device of oil pump
A technology of oil pump and oil inlet pipe, applied in the field of oil exploration, can solve the problems of scale sticking, production can not be carried out normally, wax sticking, etc., and achieve the effects of increasing the contact area, reasonable design structure and good wear resistance.
Inactive Publication Date: 2018-05-29
XIAN GUANTONG ENERGY TECH
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Problems solved by technology
[0002] In the process of oilfield oil recovery and development, the water-bearing crude oil in the wellbore has undergone great changes in temperature and pressure compared with the three phases of oil, gas and water in the formation, which makes the paraffin, colloid, asphaltene, calcium, magnesium, barium and strontium in the oil and water components Sulphate and carbonate are easily precipitated and condensed on the wall of the oil pump, sucker rod, and oil pipe, causing wax sticking and scale sticking, which makes the production impossible. In addition, it is used for liquid supply in the later stage of development of low-pressure and low-permeability reservoirs. Insufficiency is a common phenomenon
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[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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 the present invention.
[0011] Such as figure 1 The shown pumping aid device of an oil well pump includes a pipe body 1, the pipe body 1 has a three-section structure, the first section of the pipe body 1 is an oil inlet pipe, and a rotating shaft is arranged inside the oil inlet pipe, so An impeller is arranged below the rotating shaft, and the impeller rotates around the rotating shaft under the push of the oil well output fluid by the formation pressure. The second section of the pipe ...
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The invention relates to the technical field of petroleum production, and particularly discloses a pumping assisting device of an oil pump. The pumping assisting device comprises a pipe body. The pipebody is of a three-section structure. The first section of the pipe body is an oil inlet pipe. A rotating shaft is arranged in the oil inlet pipe. An impeller is arranged on the lower side of the rotating shaft and rotates around the rotating shaft when oil well produced liquid is pushed by stratum pressure. The second section of the pipe body is an oil passing pipe. The third section of the pipebody is an oil outlet pipe. The oil outlet of the oil outlet pipe is connected with the oil pump. The oil inlet pipe, the oil passing pipe and the oil outlet pipe are sequentially connected through screws. Filter screens are arranged at the joints of the three pipe body sections respectively. Two opposite flow guide ribs are axially arranged on the inner wall of the pipe body. The pumping assisting device has the advantages of being reasonable in design structure and high in wear resistance and has corrosion preventing, pumping assisting and flow guiding functions.
Description
technical field [0001] The invention relates to the technical field of petroleum exploitation, and specifically discloses a pumping aid device for an oil well pump. Background technique [0002] In the process of oilfield oil recovery and development, the water-bearing crude oil in the wellbore has undergone great changes in temperature and pressure compared with the three phases of oil, gas and water in the formation, which makes the paraffin, colloid, asphaltene, calcium, magnesium, barium and strontium in the oil and water components Sulphate and carbonate are easily precipitated and condensed on the wall of the oil pump, sucker rod, and oil pipe, causing wax sticking and scale sticking, which makes the production impossible. In addition, it is used for liquid supply in the later stage of development of low-pressure and low-permeability reservoirs. Insufficiency is a common phenomenon. Contents of the invention [0003] The object of the present invention is to provide...
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IPC IPC(8): E21B43/00
CPCE21B43/00
Inventor 吕国民赵有志刘美娟
Owner XIAN GUANTONG ENERGY TECH