CN213711031U

CN213711031U - Oil extraction constant pressure air extraction yield increasing device for oil pumping well

Info

Publication number: CN213711031U
Application number: CN202022938585.5U
Authority: CN
Inventors: 蒲彦峰; 张林山靖; 徐长明; 吴鸿博; 陈勇; 王鹏; 唐建斌; 郝泉; 李继超; 宋斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-16
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a pumping well oil recovery level pressure extraction yield-increasing device, relate to oil well oil recovery technical field, including first oil-well pump, oil pipe is taken out to first oil-well pump one side fixedly connected with separator, the separator is kept away from oil-well pump one side and is passed through oil pipe fixedly connected with three-way valve, the three-way valve is close to ground one side threaded connection and has the christmas tree, the embedded collection pipe that is equipped with of christmas tree, collection pipe and christmas tree sliding connection, the separator with be close to ground one side fixedly connected with collecting box, the separator is close to that collecting box one side articulates there is the apron, the collecting box is kept away from separator one side fixedly connected with sedimentation tank, the collecting tank is close to that separator one side articulates there is the baffle, the sedimentation tank is.

Description

Oil extraction constant pressure air extraction yield increasing device for oil pumping well

Technical Field

The utility model relates to an oil well oil recovery technical field specifically is a pumping well oil recovery level pressure yield increasing device that bleeds.

Background

The total resource amount of petroleum in China is 940 hundred million tons, the recoverable resource amount is 160 hundred million tons, and for more than 50 years, only developed oil fields are found to have recoverable reserves of 60 hundred million tons, and oil field development is mainly carried out in a water flooding mode, a polymer flooding mode and the like, but a plurality of low-yield and low-efficiency oil wells exist in the oil field development, the petroleum resource is used as a non-renewable resource, and the petroleum recovery rate and the utilization rate are improved to the greatest extent by using a little oil resource.

The comparison document CN2224276Y discloses a constant pressure air extraction and production increase device for oil extraction in an oil extraction well, which is a simple structure, convenient installation and low cost oil extraction and production increase device for the oil extraction well, which is not limited by the back pressure of a production pipeline, prevents a mixed liquid column from being sucked into an air extraction pump, can perform normal oil extraction well monitoring, solves the technical problem that an air release valve cannot reduce the pressure under the condition of being lower than the back pressure of the production pipeline, and solves the production increase problem of the oil extraction well with high casing pressure, low ground pressure and serious influence of gas.

The above prior art solution has the following drawbacks: although the device can improve the oil yield, the oil field contains a large amount of impurities such as sand and stone, the impurities are mixed with oil, and the part of oil is not collected by utilization.

SUMMERY OF THE UTILITY MODEL

The utility model aims to the deficiencies in the prior art exist, the utility model provides a pumping well oil recovery level pressure pumping yield-increasing device, the oil that its advantage has is that the oil that comes the pump-out goes into the separator through the oil pumping pipe flow, the collecting box of separator bottom can be collected impurity such as grit in the oil, the impurity that will have the oil falls into the sedimentation tank, separate in the sedimentation tank, collect the oil through taking out oil pipe at last, this makes impurity and oil separation, carry out the secondary to the oil that contains in the magazine and collect, increase oil output, prevent to produce oil the in-process great waste of appearance.

The above object of the present invention can be achieved by the following technical solutions:

an oil extraction constant-pressure air-extraction yield-increasing device for an oil pumping well comprises a first oil well pump, wherein one side of the first oil well pump is fixedly connected with an oil extraction pipe, one side of the oil pumping pipe, which is far away from the first oil well pump, is fixedly connected with a separator, one side of the separator, which is far away from the oil well pump, is fixedly connected with a three-way valve through the oil pumping pipe, one side of the three-way valve close to the ground is in threaded connection with a Christmas tree, a collecting pipe is embedded in the Christmas tree, the collecting pipe is connected with the Christmas tree in a sliding way, the separator is fixedly connected with a collecting box close to the ground, a cover plate is hinged on one side of the separator close to the collecting box, a sedimentation tank is fixedly connected on one side of the collecting box far away from the separator, one side of the collecting box, which is close to the separator, is hinged with a baffle plate, and one side of the sedimentation tank, which is far away from the collecting box, is fixedly connected with a second oil well pump through an oil pumping pipe.

By adopting the technical scheme, the extracted oil flows into the separator along the Christmas tree and the three-way valve through the oil pumping pipe from the collecting pipe, impurities such as sand and stones in the oil can be collected by the collecting box at the bottom of the separator, the oil is continuously pumped away, after the impurities in the collecting box are fully collected, the collecting box is covered by the cover plate of the separator, then the baffle plate of the collecting box is opened, the impurities with the oil fall into the sedimentation tank, water is used for water-oil separation in the sedimentation tank, the oil floats above the sedimentation tank after the separation is completed, and finally the oil is collected through the oil pumping pipe.

The present invention may be further configured in a preferred embodiment as: the collecting pipe is close to a flange arranged on the outer side wall sleeve at one end of the Christmas tree, the flange is in sliding connection with the collecting pipe, the outer side wall of the flange is fixedly connected with the Christmas tree, the collecting pipe is far away from a lantern ring arranged on the outer side wall sleeve at one end of the Christmas tree, the lantern ring is fixedly connected with the collecting pipe, and a spring is fixedly connected between the flange and the lantern ring.

By adopting the technical scheme, the flange seals between the Christmas tree and the collecting pipe, then the oil well is pressurized by collecting downward extension, and the oil is squeezed to be collected.

The present invention may be further configured in a preferred embodiment as: one end of the collecting pipe, which is far away from the Christmas tree, is conical.

Through adopting above-mentioned technical scheme, increase the collection area of gathering the pipe, improve the oil recovery volume.

The present invention may be further configured in a preferred embodiment as: and a switch is arranged between the oil pumping pipe and the output port of the three-way valve.

By adopting the technical scheme, the oil extraction can be controlled through the switch, and the speed and the flow of the oil extraction can be indirectly controlled.

The present invention may be further configured in a preferred embodiment as: and a sealing ring is arranged at the threaded connection part of the three-way valve and the Christmas tree.

Through adopting above-mentioned technical scheme, increase the leakproofness, prevent that the gas leakage from not appearing well in the leakproofness to lead to the oil well internal pressure to change, influence oil recovery efficiency.

The present invention may be further configured in a preferred embodiment as: the first oil well pump and the second oil well pump are fixedly connected with a base on one side close to the ground.

Through adopting above-mentioned technical scheme, can fix first oil-well pump and second oil-well pump, prevent that damage and skew from appearing in the during operation oil-well pump.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the method comprises the steps that the extracted petroleum flows into a separator from a collecting pipe along a Christmas tree and a three-way valve through an oil pumping pipe, impurities such as sand and stones in the petroleum can be collected by a collecting box at the bottom of the separator, the petroleum is continuously pumped away, after the impurities in the collecting box are fully collected, a cover plate of the separator covers the collecting box, then a baffle of the collecting box is opened, the impurities with the petroleum fall into a sedimentation tank, water and oil separation is carried out by using water in the sedimentation tank, the petroleum floats above the sedimentation tank after separation is completed, and finally the petroleum is collected through an oil pumping pipe.

2. The flange seals between the Christmas tree and the collecting pipe, then the collecting pipe extends downwards to increase the pressure of the oil well, and the oil is squeezed upwards to be collected.

3. The tee valve is equipped with the sealing ring with production tree threaded connection department, increases the leakproofness, prevents that the leakproofness is good to appear leaking gas to lead to the oil well internal pressure to change, influence oil recovery efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1. a first oil well pump; 2. an oil pumping pipe; 3. a separator; 4. a three-way valve; 5. a Christmas tree; 6. a collection box; 7. a cover plate; 8. a sedimentation tank; 9. a baffle plate; 10. a second oil well pump; 11. a collection tube; 12. a flange; 13. a collar; 14. a spring; 15. a switch; 16. a seal ring; 17. a base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, for the oil extraction constant pressure air extraction production-increasing device of the oil pumping well disclosed by the utility model, comprising a first oil well pump 1, an oil extraction pipe 2 is fixedly connected to one side of the first oil well pump 1, a separator 3 is fixedly connected to one side of the oil extraction pipe 2 away from the first oil well pump, a three-way valve 4 is fixedly connected to one side of the separator 3 away from the oil well pump through the oil extraction pipe 2, a Christmas tree 5 is connected to one side of the three-way valve 4 close to the ground through a screw thread, a collection pipe 11 is embedded in the Christmas tree 5, the collection pipe 11 is connected with the Christmas tree 5 in a sliding way, a collection box 6 is fixedly connected to one side of the separator 3 close to the ground, a cover plate 7 is hinged to one side of the separator 3 close to the separator 3, a sedimentation tank 8 is fixedly connected to one side of the collection box 6 away from the, the extracted petroleum flows into the separator 3 from the collecting pipe 11 along the Christmas tree 5 and the three-way valve 4 through the oil pumping pipe 2, impurities such as sand and stones in the petroleum can be collected by the collecting box 6 at the bottom of the separator 3, the petroleum is continuously pumped away, after the impurities in the collecting box 6 are fully collected, the collecting box 6 is covered by the cover plate 7 of the separator 3, then the baffle plate 9 of the collecting box 6 is opened, the impurities with the petroleum fall into the sedimentation tank 8, water and oil separation is carried out in the sedimentation tank 8 by using water, the petroleum floats above the sedimentation tank 8 after the separation is finished, and finally the petroleum is collected through the oil pumping pipe 2.

As shown in fig. 1, the outer side wall cover of the end of the collecting pipe 11 close to the Christmas tree 5 is provided with a flange 12, the flange 12 is in sliding connection with the collecting pipe 11, the outer side wall of the flange 12 is fixedly connected with the Christmas tree 5, the outer side wall cover of the end of the collecting pipe 11 far away from the Christmas tree 5 is provided with a lantern ring 13, the lantern ring 13 is fixedly connected with the collecting pipe 11, a spring 14 is fixedly connected between the flange 12 and the lantern ring 13, the flange 12 seals between the Christmas tree 5 and the collecting pipe 11, then the downward extension is collected to increase the pressure of an oil well, the oil is squeezed to be collected, the end of the collecting pipe 11 far away from the Christmas tree 5 is conical, the.

As shown in fig. 1, a switch 15 is arranged between the oil pumping pipe 2 and the output port of the three-way valve 4, and the oil extraction can be controlled through the switch 15, so that the speed and the flow rate of the oil extraction can be indirectly controlled; a sealing ring 16 is arranged at the threaded connection part of the three-way valve 4 and the Christmas tree 5, so that the sealing property is improved, and the phenomenon that the gas leakage occurs due to poor sealing property is prevented, so that the pressure in an oil well is changed, and the oil extraction efficiency is influenced; first oil-well pump 1 and second oil-well pump 10 are close to equal fixedly connected with base 17 in ground one side, can fix first oil-well pump 1 and second oil-well pump 10, prevent that damage and skew from appearing in the during operation oil-well pump.

The implementation principle of the embodiment is as follows: the extracted petroleum flows into the separator 3 from the collecting pipe 11 along the Christmas tree 5 and the three-way valve 4 through the oil pumping pipe 2, impurities such as sand and stones in the petroleum can be collected by the collecting box 6 at the bottom of the separator 3, the petroleum is continuously pumped away, after the impurities in the collecting box 6 are fully collected, the collecting box 6 is covered by the cover plate 7 of the separator 3, then the baffle plate 9 of the collecting box 6 is opened, the impurities with the petroleum fall into the sedimentation tank 8, water and oil separation is carried out in the sedimentation tank 8 by using water, the petroleum floats above the sedimentation tank 8 after the separation is finished, and finally the petroleum is collected through the oil pumping pipe 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pumping well oil recovery level pressure pumping stimulation device, includes first oil-well pump (1), its characterized in that: an oil pumping pipe (2) is fixedly connected to one side of the first oil well pump (1), a separator (3) is fixedly connected to one side, away from the first oil well pump (1), of the oil pumping pipe (2), a three-way valve (4) is fixedly connected to one side, away from the oil well pump, of the separator (3) through the oil pumping pipe (2), a Christmas tree (5) is in threaded connection with one side, close to the ground, of the three-way valve (4), a collecting pipe (11) is embedded in the Christmas tree (5), the collecting pipe (11) is in sliding connection with the Christmas tree (5), a collecting box (6) is fixedly connected to one side, close to the ground, of the separator (3), a cover plate (7) is hinged to one side, close to the collecting box (6), of the collecting box (6) is in fixed connection with a sedimentation tank (8) on one side, away from the separator (3), and a baffle (, and one side of the sedimentation tank (8) far away from the collecting box (6) is fixedly connected with a second oil well pump (10) through an oil pumping pipe (2).

2. The oil recovery constant pressure pumping stimulation device of the oil pumping well according to claim 1, characterized in that: gather pipe (11) and be close to christmas tree (5) one end lateral wall cover is equipped with flange (12), flange (12) with gather pipe (11) sliding connection, flange (12) lateral wall with christmas tree (5) fixed connection, it keeps away from to gather pipe (11) christmas tree (5) one end lateral wall cover is equipped with lantern ring (13), lantern ring (13) with gather pipe (11) fixed connection, flange (12) with fixedly connected with spring (14) between lantern ring (13).

3. The oil recovery constant pressure pumping stimulation device of the oil pumping well according to claim 1, characterized in that: one end of the collecting pipe (11) far away from the Christmas tree (5) is conical.

4. The oil recovery constant pressure pumping stimulation device of the oil pumping well according to claim 1, characterized in that: and a switch (15) is arranged between the oil pumping pipe (2) and the output port of the three-way valve (4).

5. The oil recovery constant pressure pumping stimulation device of the oil pumping well according to claim 1, characterized in that: and a sealing ring (16) is arranged at the threaded connection part of the three-way valve (4) and the Christmas tree (5).

6. The oil recovery constant pressure pumping stimulation device of the oil pumping well according to claim 1, characterized in that: the first oil well pump (1) and the second oil well pump (10) are fixedly connected with a base (17) on one side close to the ground.