Multiphase flow separation device for improving oil extraction efficiency of oil field

By introducing a filter box and stirring blades into the multiphase flow separation device, the problem of impurity clogging was solved, achieving efficient impurity filtration and gas-liquid separation, thus improving the oilfield's oil production efficiency.

CN223634685UActive Publication Date: 2025-12-05YANCHANG OIL FIELD
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Patent Information

Application Number
CN202520029807.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-05
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing multiphase flow separation devices lack filtration mechanisms, and impurities easily adhere to the inner wall of the pipes, causing blockages and affecting oilfield production efficiency.

Method used

A multiphase flow separation device including a filter box, a stirring shaft and stirring blades was designed. Impurities are filtered through the filter frame, and the stirring blades are used to stir the oil to remove air bubbles. Combined with the transmission system, impurity filtration and gas-liquid separation are achieved.

Benefits of technology

It effectively removes impurities, prevents pipeline blockage, and improves oilfield production efficiency and gas-liquid separation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223634685U_ABST
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Abstract

The utility model discloses a multiphase flow separation device for improving the oil extraction efficiency of an oil field. The multiphase flow separation device comprises a supporting plate, the top of the supporting plate is fixedly connected with a gas-liquid separation box, the interior of the gas-liquid separation box is rotationally connected with a stirring shaft, the outer side of the stirring shaft is symmetrically and fixedly connected with stirring blades, and one side of the gas-liquid separation box is fixedly connected with a fixing box; the utility model relates to the technical field of multiphase flow separation devices, and the multiphase flow separation device for improving the oil extraction efficiency of an oil field realizes the function of stirring oil by arranging the conveying pipe, the gas-liquid separation box, the motor, the stirring shaft, the stirring blades and the exhaust pipe, so that bubbles in the oil are removed, and the oil extraction efficiency of the oil field is improved. The gas-liquid separation operation on the mixture is convenient; by arranging a transmission belt, a transmission shaft, a sector gear, a rack, a sliding frame, a sliding plate, a connecting frame and a connecting plate, the function of driving a filtering frame to reciprocate while stirring oil is achieved, and impurities in a mixture are conveniently filtered.
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Description

TECHNICAL FIELD

[0001] The utility model relates to multiphase flow separation device technical field, concretely is a kind of oilfield oil production efficiency promotion multiphase flow separation device. BACKGROUND

[0002] In the oil exploitation and production process, oil well production is often a complex mixture, including crude oil, natural gas and possible impurities, in order to obtain qualified oil and natural gas products, the necessary treatment is needed for these mixtures, and multiphase flow separation is an important link, the improvement of oilfield oil production efficiency is closely related to multiphase flow separation technology. Multiphase flow separation equipment is one of the most important equipment used in oil and gas fields, which separates oil well production into single-phase liquid and gas according to the principle of phase equilibrium and mechanical separation principle, and is widely used.

[0003] In Chinese utility model patent application No. CN202021740029.0, a kind of high CO2 oilfield gas-liquid separation device is disclosed, by setting up rotatable stirring round bar, and the stirring round bar is provided with spiral blade, oil liquid can be stirred, and under the action of sharp, the gas bubble inside oil liquid can be broken, and the gas bubble inside and outside oil liquid is removed as much as possible.

[0004] Although the above-mentioned patent realizes the function of separating gas and liquid, the above-mentioned patent has the following disadvantages when in use: the above-mentioned patent lacks a filtering mechanism for the mixture when in use, and some impurities may be mixed in the mixture. If the impurities are not filtered, they may adhere to the inner wall of the pipe when the liquid is discharged, and with the increase of time, the discharge pipe may be blocked, which is not convenient to use. Therefore, we propose a kind of oilfield oil production efficiency promotion multiphase flow separation device. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an oilfield oil production efficiency promotion multiphase flow separation device, which solves the problem of lack of filtering mechanism for mixture when in use, and some impurities may be mixed in the mixture. If the impurities are not filtered, they may adhere to the inner wall of the pipe when the liquid is discharged, and with the increase of time, the discharge pipe may be blocked.

[0006] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0007] The utility model provides an oilfield oil production efficiency promotion multiphase flow separation device, including support plate, the top of support plate is fixedly connected with gas -liquid separation tank, the inside rotationally connected with stirring shaft of gas -liquid separation tank, the outside fixedly connected with stirring vane of stirring shaft, one side of gas -liquid separation tank is fixedly connected with fixed box, the inner wall of fixed box is connected with sliding plate, one side of sliding plate is fixedly connected with connecting frame, one end of connecting frame is fixedly connected with connecting plate, the top of support plate and located one side of gas -liquid separation tank is fixedly connected with filter box, the inside of filter box is equipped with filter frame, filter frame is fixedly connected with connecting plate, when using, the mixture is transported into the inside of filter box, can carry out filter processing to the mixture through filter frame, and the filter frame is driven to move reciprocatingly through connecting frame and connecting plate, so that the mixture can fall to the different positions of filter frame, and the efficiency and effect of filtration are better, and the rotation of stirring shaft can drive stirring vane to produce rotation, thereby stirring oil liquid, facilitating the removal of bubbles in oil liquid, and facilitating the operation of gas -liquid separation.

[0008] Preferably, the top of the support plate is provided with a water pump, the water inlet of the water pump is communicated with the filter box through a pipeline, the water outlet of the water pump is communicated with the gas-liquid separation tank through a conveying pipe, and a one-way valve is arranged outside the conveying pipe.

[0009] Preferably, the fixed box and the gas-liquid separation tank are fixedly connected with a fixed frame, the top of the fixed frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with the stirring shaft. The motor drives the stirring shaft to rotate, and the motor provides power for the stirring shaft.

[0010] Preferably, the top of the filter box is fixedly connected with an inlet pipe, the top of the gas-liquid separation tank is fixedly connected with an exhaust pipe, and one side of the gas-liquid separation tank is fixedly connected with a liquid outlet pipe. The inlet pipe is arranged to facilitate the addition of the mixture into the filter box, the gas can be discharged through the exhaust pipe, and the liquid can be discharged through the liquid outlet pipe on one side of the gas-liquid separation tank, thereby realizing the effect of gas-liquid separation.

[0011] Preferably, the inside of the fixed box is rotationally connected with a transmission shaft, the transmission shaft is transmissionally connected with the stirring shaft through a transmission belt, the outside of the transmission shaft is equidistantly fixedly connected with a sector gear, one side of the sliding plate is equidistantly fixedly connected with a sliding frame, and the inner wall of the sliding frame is fixedly connected with a rack matched with the sector gear.

[0012] Preferably, the inner wall of the fixed box is equidistantly fixedly connected with a limiting rod, and the sliding plate is slidingly connected with the limiting rod.

[0013] The oilfield oil extraction efficiency improving multiphase flow separation device has the following beneficial effects compared with the prior art.

[0014] 1. The oilfield oil extraction efficiency improving multiphase flow separation device realizes the function of stirring oil liquid by the conveying pipe, the gas-liquid separation tank, the motor, the stirring shaft, the stirring blade and the exhaust pipe, so that the bubbles in the oil liquid are removed, and the gas-liquid separation operation of the mixture is facilitated.

[0015] 2. The oilfield oil extraction efficiency improving multiphase flow separation device realizes the function of reciprocating the filter frame while stirring the oil liquid by the transmission belt, the transmission shaft, the sector gear, the rack, the sliding frame, the sliding plate, the connecting frame and the connecting plate, so that the impurities in the mixture are filtered, and the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is a structural schematic view of the utility model filter box;

[0018] Figure 3 is a structural schematic view of the utility model gas-liquid separation tank;

[0019] Figure 4 is a structural schematic view of the utility model fixed box;

[0020] Figure 5 is a structural schematic view of the utility model sliding frame;

[0021] Figure 6 is a structural schematic view of the utility model sliding plate.

[0022] Figure: 1, support plate; 2, gas-liquid separation tank; 3, exhaust pipe; 4, motor; 5, fixed frame; 6, transmission belt; 7, fixed box; 8, feed pipe; 9, water pump; 10, filter box; 11, filter frame; 12, connecting plate; 13, connecting frame; 14, conveying pipe; 15, stirring blade; 16, stirring shaft; 17, limiting rod; 18, sliding plate; 19, sliding frame; 20, transmission shaft; 21, sector gear; 22, rack. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 6 The utility model provides a technical scheme:

[0025] A kind of oilfield oil production efficiency promotion multiphase flow separation device, including support plate 1, the top of support plate 1 is fixedly connected with gas-liquid separation tank 2, rotatingly connected with stirring shaft 16 in the inside of gas-liquid separation tank 2, stirring blade 15 is fixedly connected with the outside of stirring shaft 16 in symmetry, one side of gas-liquid separation tank 2 is fixedly connected with fixed box 7, the inner wall of fixed box 7 is slidably connected with sliding plate 18, one side of sliding plate 18 is fixedly connected with connecting frame 13, one end of connecting frame 13 is fixedly connected with connecting plate 12, the top of support plate 1 and located one side of gas-liquid separation tank 2 is fixedly connected with filter box 10, filter frame 11 is located in the inside of filter box 10, filter frame 11 is fixedly connected with connecting plate 12;When using, mixture is transported into the inside of filter box 10, mixture can be filtered by filter frame 11, sliding plate 18 drives filter frame 11 to move reciprocatingly by connecting frame 13 and connecting plate 12, so that mixture can fall to different positions of filter frame 11, the efficiency and effect of filtration are better, stirring blade 15 can be rotated by the rotation of stirring shaft 16, so as to stir oil liquid, facilitate to remove bubble in oil liquid, facilitate to realize gas-liquid separation operation.

[0026] Further, water pump 9 is installed on the top of support plate 1, the water inlet of water pump 9 is communicated with filter box 10 by pipeline, the water outlet of water pump 9 is communicated with gas-liquid separation tank 2 by conveying pipe 14, one-way valve is arranged on the outside of conveying pipe 14, the setting of water pump 9 and conveying pipe 14 can input filtered mixture into the inside of gas-liquid separation tank 2.

[0027] Further, the fixed box 7 is fixedly connected with the gas-liquid separation tank 2, the top of the fixed frame 5 is fixedly connected with the motor 4, the output end of the motor 4 is fixedly connected with the stirring shaft 16, the motor 4 drives the stirring shaft 16 to rotate, and the motor 4 provides power for the stirring shaft 16.

[0028] Further, the top of the filter box 10 is fixedly connected with the feeding pipe 8, the top of the gas-liquid separation tank 2 is fixedly connected with the exhaust pipe 3, one side of the gas-liquid separation tank 2 is fixedly connected with the liquid discharge pipe, the feeding pipe 8 is arranged to facilitate the mixture to be added to the inside of the filter box 10, the gas can be discharged through the exhaust pipe 3, and the liquid can be discharged through the liquid discharge pipe on one side of the gas-liquid separation tank 2, so that the gas-liquid separation effect is realized.

[0029] Further, the inside of the fixed box 7 is rotatably connected with the transmission shaft 20, the transmission shaft 20 is transmissionally connected with the stirring shaft 16 through the transmission belt 6, the outer side of the transmission shaft 20 is fixedly connected with the sector gear 21 at equal intervals, one side of the sliding plate 18 is fixedly connected with the sliding frame 19 at equal intervals, the inner wall of the sliding frame 19 is fixedly connected with the rack 22 matched with the sector gear 21, the stirring shaft 16 drives the transmission shaft 20 to rotate through the belt pulley and the transmission belt 6 on the outer side of the transmission shaft 20, and then drives the transmission shaft 20 to rotate, the transmission shaft 20 drives the sector gear 21 to rotate, the sector gear 21 is matched with the rack 22 to drive the sliding frame 19 to move back and forth, and the sliding frame 19 drives the sliding plate 18 to move back and forth.

[0030] Further, the inner wall of the fixed box 7 is fixedly connected with the limiting rod 17 at equal intervals, and the sliding plate 18 is slidably connected with the limiting rod 17. The limiting rod 17 is arranged to limit the movement of the sliding plate 18, so that the sliding plate 18 is prevented from deviating during movement.

[0031] Working principle:

[0032] In use, the feed pipe 8 is connected with the pipeline conveying the mixture, so that the mixture is conveyed into the inside of the filter box 10, the mixture is filtered by the filter frame 11, the motor 4 is started, the motor 4 drives the stirring shaft 16 to rotate, the stirring shaft 16 drives the pulley on the outer side of the transmission shaft 20 through the belt 6 to rotate, and then drives the transmission shaft 20 to rotate, the transmission shaft 20 drives the sector gear 21 to rotate, the sector gear 21 is used in cooperation with the rack 22, and then drives the sliding frame 19 to reciprocatingly move, the sliding frame 19 drives the sliding plate 18 to reciprocatingly move, the sliding plate 18 is limited in movement through the limiting rod 17, so that the sliding plate 18 is prevented from deviating in the movement process, the sliding plate 18 drives the filter frame 11 to reciprocatingly move through the connecting frame 13 and the connecting plate 12, so that the mixture can fall to different positions of the filter frame 11, and the filtering efficiency and effect are better, the filtered mixture is input into the inside of the gas-liquid separation tank 2 through the water pump 9 and the conveying pipe 14, the stirring blade 15 is driven to rotate through the rotation of the stirring shaft 16, so that the oil liquid is stirred, the bubbles in the oil liquid are conveniently removed, the gas can be discharged through the exhaust pipe 3, and the liquid can be discharged through the liquid discharge pipe on one side of the gas-liquid separation tank 2, so that the gas-liquid separation effect is realized, and the use is convenient.

[0033] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0034] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article, or apparatus. Without more limitations. By the sentence "includes a limited element, it does not exclude the presence of another same element in the process, method, article, or apparatus that includes the element.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oilfield production efficiency enhancing multiphase flow separation device comprising a support plate (1), characterized in that: The top of supporting plate (1) is fixedly connected with gas-liquid separation tank (2), the inside of gas-liquid separation tank (2) is rotatably connected with stirring shaft (16), the outside of stirring shaft (16) is fixedly connected with symmetrical stirring vane (15), one side of gas-liquid separation tank (2) is fixedly connected with fixed box (7), the inner wall of fixed box (7) is slidably connected with sliding plate (18), one side of sliding plate (18) is fixedly connected with connecting frame (13), one end of connecting frame (13) is fixedly connected with connecting plate (12), the top of supporting plate (1) and one side of gas-liquid separation tank (2) are fixedly connected with filter tank (10), the inside of filter tank (10) is provided with filter frame (11), filter frame (11) is fixedly connected with connecting plate (12).

2. The oilfield production efficiency enhancing multiphase flow separation apparatus of claim 1, wherein: The top of supporting plate (1) is fixedly connected with water pump (9), the water inlet of water pump (9) is communicated with filter tank (10) through pipeline, the water outlet of water pump (9) is communicated with gas-liquid separation tank (2) through delivery pipe (14), the outside of delivery pipe (14) is provided with one-way valve.

3. The oilfield production efficiency enhancing multiphase flow separation apparatus of claim 1, wherein: The fixed box (7) and the gas-liquid separation tank (2) are fixedly connected with the fixed frame (5), the top of the fixed frame (5) is fixedly connected with the motor (4), the output end of the motor (4) is fixedly connected with the stirring shaft (16).

4. The oilfield production efficiency enhancing multiphase flow separation apparatus of claim 1, wherein: The top of filter tank (10) is fixedly connected with feed pipe (8), the top of gas-liquid separation tank (2) is fixedly connected with exhaust pipe (3), one side of gas-liquid separation tank (2) is fixedly connected with liquid discharge pipe.

5. The oilfield production efficiency enhancing multiphase flow separation apparatus of claim 1, wherein: The inside of fixed box (7) is rotatably connected with transmission shaft (20), transmission shaft (20) is drivingly connected with stirring shaft (16) through transmission belt (6), the outside of transmission shaft (20) is fixedly connected with equidistant sector gear (21), one side of sliding plate (18) is fixedly connected with equidistant sliding frame (19), the inner wall of sliding frame (19) is fixedly connected with rack (22) matched with sector gear (21).

6. The oilfield production efficiency enhancing multiphase flow separation apparatus of claim 1, wherein: The inner wall of fixed box (7) is fixedly connected with equidistant limit rod (17), the sliding plate (18) is slidably connected with limit rod (17).

Citation Information

Patent Citations

  • Oil field gas-liquid separation device with high CO2 content

    CN212941598U