Fracturing flow-back fluid pretreatment device

By introducing a metering component and a stirring system into the fracturing flowback fluid pretreatment unit, the problem of difficult control of the amount of treatment agent added was solved, and the precise addition and uniform mixing of the treatment agent were achieved, thus improving the treatment effect.

CN223866384UActive Publication Date: 2026-02-03SHA YA RUI YUN HUAN JING KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202520332821.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-03
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing technologies make it difficult to effectively control the amount of fracturing flowback fluid treatment agent added, which affects the treatment effect.

Method used

A fracturing flowback fluid pretreatment device was designed, comprising a metering component, a one-way tube, and a stirring tube. The metering component controls the amount of treatment agent added, and the stirring blades and guide tubes ensure thorough mixing of the treatment agent and the flowback fluid.

Benefits of technology

It enables precise addition and uniform mixing of the treatment agent, improving the treatment effect of fracturing flowback fluid.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flow-back fluid pretreatment, and provides a fracturing flow-back fluid pretreatment device which comprises a treatment box and a power part fixedly installed at the bottom of the treatment box, the output end of the power part penetrates through the treatment box and is fixedly connected with a stirring pipe, and flow guide pipes are fixedly installed on the outer side walls of the stirring pipe. The filter box and the box body are respectively and fixedly arranged at the top of the treatment box, and a one-way pipe I is fixedly arranged at the bottom of the box body; the quantifying assembly is arranged at the top of the treatment box, through the quantifying assembly, a first one-way pipe, a second one-way pipe, a stirring pipe and a flow guide pipe, the quantifying assembly is rotated to move rightwards, a treatment agent in the box body enters the quantifying assembly through the first one-way pipe, and the quantifying assembly is rotated reversely to move leftwards; a treating agent in the quantifying assembly enters a stirring pipe through a second one-way pipe, the treating agent is discharged into fracturing flow-back fluid at different height positions through a flow guide pipe, and therefore the adding amount of the treating agent is controlled according to scale marks on the quantifying assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fracturing flowback fluid pretreatment technical field, concretely relates to a fracturing flowback fluid pretreatment device. BACKGROUND

[0002] Fracturing technology is a main way of current oil and gas well enhanced recovery, is universally applicable to all kinds of oilfields, however, the exploitation of current oilfield in our country has entered the middle and later period, low and ultra-low permeability oilfield becomes the new direction of oilfield exploitation, fracturing operation gradually becomes the important measure of oilfield production, fracturing flowback fluid is the liquid used in the fracturing measure of fluid mining in the exploitation process in order to obtain high yield, waste fracturing fluid is the mixed waste liquid produced in the fracturing process of oil and water well, is the waste liquid returned from the stratum after the fracturing operation of oil and water well.

[0003] It is known that Chinese open authorization utility model: (publication number: 202420843071.7) discloses a fracturing fluid flowback fluid treatment device, including the processing box, the front end lower part of the processing box is fixedly connected with the control panel, the left end upper part of the processing box is fixedly connected with two support plates, the upper end between two support plates is fixedly connected with filter mechanism, the left end four corners of the processing box are fixedly connected with support feet, the front part of the lower tank wall and the rear part of the lower tank wall of the processing box are fixedly connected with drainage plate, the lower tank wall of the processing box is fixedly connected with the drainage pipe, the lower end middle part of the processing box is provided with driver. The fracturing fluid flowback fluid treatment device disclosed in the utility model, by setting up the stirring assembly, the fracturing fluid flowback fluid can be stirred uniformly with the treating agent, the treatment effect is strengthened, by setting up the filter mechanism, the coarse particle impurities in the fracturing fluid flowback fluid can be removed, the treatment efficiency is improved, and it is suitable for wide use.

[0004] However, the fracturing fluid flowback fluid treatment device has the following problems in the implementation of the related technology: in the above technical scheme, the treating agent is added to react with the fracturing flowback fluid, the treatment effect is strengthened, the amount of the treating agent is difficult to control, and the fracturing flowback fluid treatment effect is affected, therefore, a fracturing flowback fluid pretreatment device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model proposes a fracturing flowback fluid pretreatment device, and solves the problem that the amount of the treating agent is difficult to control in the related technology and affects the fracturing flowback fluid treatment effect.

[0006] The technical scheme of the utility model is as follows: a fracturing flowback fluid pretreatment device, comprising:

[0007] processing box, power part fixedly installed on the bottom of the processing box, the output end of the power part is fixedly connected with stirring pipe penetrating the processing box, the outer side wall of the stirring pipe is fixedly installed with flow guide pipe;

[0008] The filter box and the box body are respectively fixedly installed on the top of the treatment box, and a one-way pipe one is fixedly installed on the bottom of the box body;

[0009] The quantitative assembly is arranged on the top of the treatment box, one end of the one-way pipe one is fixedly connected with one end of the quantitative assembly, one end of a one-way pipe two is fixedly connected with the quantitative assembly, and the one end of the one-way pipe two is rotationally connected with the stirring pipe.

[0010] Preferably, the quantitative assembly comprises a scale cylinder, a threaded rod and a piston plate, the scale cylinder is located on the top of the treatment box, the piston plate is slidably connected with the inner side wall of the scale cylinder, the threaded rod is rotationally connected with one side of the piston plate, the threaded rod is threadedly connected with the scale cylinder, one end of the one-way pipe one is fixedly connected with one end of the scale cylinder, and the one-way pipe two is located at one end of the scale cylinder.

[0011] Preferably, the outer side wall of the stirring pipe is fixedly installed with stirring blades, and the stirring blades are arranged in a linear array.

[0012] Preferably, the outer side wall of the stirring pipe is fixedly installed with stirring blades, and the stirring blades are arranged in a linear array.

[0013] Preferably, the inner wall of the filter box is provided with a limiting groove one on both sides, and the filter box is inserted with a filter frame through the limiting groove one.

[0014] Preferably, the inner wall of the filter box is provided with a limiting groove two on both sides, and the filter box is inserted with a baffle through the limiting groove two.

[0015] Preferably, the power member is an electric motor.

[0016] The working principle and beneficial effects of the utility model are as follows:

[0017] 1. The quantitative assembly, the one-way pipe one, the one-way pipe two, the stirring pipe and the flow guide pipe are arranged, the treatment agent in the box body enters the quantitative assembly through the one-way pipe one by rotating the quantitative assembly to the right, the treatment agent in the quantitative assembly enters the stirring pipe through the one-way pipe two by reversely rotating the quantitative assembly to the left, the treatment agent is discharged into the fracturing flowback fluid at different heights through the flow guide pipe, and thus the addition amount of the treatment agent is controlled according to the scale line on the quantitative assembly.

[0018] 2. The power member and the stirring blades are arranged, the power member output end drives the stirring pipe to rotate, the stirring pipe drives the flow guide pipe and the stirring blades to rotate respectively, and thus the fracturing flowback fluid and the treatment agent are fully mixed and reacted. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a three-dimensional structural cross-sectional view of the present invention;

[0022] Figure 3 This is a three-dimensional structural diagram of the filter box of this utility model;

[0023] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle image;

[0024] In the diagram: 1. Processing box; 2. Power component; 3. Stirring pipe; 4. Guide pipe; 5. Filter box; 6. Box body; 7. One-way pipe I; 8. Quantitative component; 81. Scale cylinder; 82. Threaded rod; 83. Piston plate; 9. One-way pipe II; 10. Stirring blade; 11. Discharge pipe; 12. Valve; 13. Limiting groove I; 14. Filter frame; 15. Limiting groove II; 16. Baffle. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0026] Please see Figure 1 - Figure 4 The present invention provides a fracturing flowback fluid pretreatment device, comprising:

[0027] Processing box 1, power component 2 fixedly installed at the bottom of processing box 1, power component 2 is a motor, the output end of power component 2 passes through processing box 1 and is fixedly connected to stirring tube 3, and guide tube 4 is fixedly installed on the outer side wall of stirring tube 3;

[0028] The filter box 5 and the box body 6 are connected by pipes at the bottom of the filter box 5. The filter box 5 is connected to the box body 6 through the pipes. The filter box 5 and the box body 6 are respectively fixedly installed on the top of the treatment box 1. A one-way pipe 7 is fixedly installed at the bottom of the box body 6.

[0029] A metering component 8 is located on the top of the processing tank 1. One end of the one-way tube 7 is fixedly connected to one end of the metering component 8. One end of the metering component 8 is fixedly connected to a second one-way tube 9. The metering component 8 includes a graduated cylinder 81, a threaded rod 82, and a piston plate 83. The graduated cylinder 81 is located on the top of the processing tank 1. The piston plate 83 is slidably connected to the inner wall of the graduated cylinder 81. The threaded rod 82 is rotatably connected to one side of the piston plate 83. The threaded rod 82 is threadedly connected to the graduated cylinder 81. One end of the one-way tube 7 is fixedly connected to one end of the graduated cylinder 81. One end of the one-way tube 9 is located at one end of the graduated cylinder 81. One end of the one-way tube 9 is rotatably connected to the stirring tube 3.

[0030] The fracturing flowback fluid is injected into the filter box 5 to filter out coarse particles and impurities. The filtered fracturing flowback fluid flows into the treatment box 1 through the pipeline. Rotating the threaded rod 82 moves the piston plate 83 to the right. The treatment agent in the box 6 enters the graduated cylinder 81 through the one-way pipe 7. Then, rotating the threaded rod 82 in the opposite direction moves the piston plate 83 to the left. The treatment agent in the graduated cylinder 81 enters the stirring tube 3 through the second one-way pipe 9. The treatment agent is discharged into the fracturing flowback fluid at different heights through the guide pipe 4. The graduated cylinder 81 is made of transparent material. The amount of treatment agent added is controlled according to the scale lines on the graduated cylinder 81.

[0031] Specifically, stirring blades 10 are fixedly installed on the outer wall of the stirring tube 3, and the stirring blades 10 are arranged in a linear array.

[0032] The output end of the power unit 2 drives the stirring tube 3 to rotate, and the stirring tube 3 drives the guide tube 4 and the stirring blade 10 to rotate, so that the fracturing flowback fluid and the treatment agent are fully mixed and reacted. After the treatment is completed, it is discharged through the discharge pipe 11.

[0033] Specifically, a discharge pipe 11 is fixedly installed on the outer wall of the treatment box 1, and a valve 12 is installed on the outer wall of the discharge pipe 11.

[0034] Open valve 12, and the treated fracturing flowback fluid is discharged through discharge pipe 11.

[0035] Specifically, a limiting groove 13 is provided on both sides of the inner wall of the filter box 5, and a filter frame 14 is inserted into the filter box 5 through the limiting groove 13. A limiting groove 2 15 is provided on both sides of the inner wall of the filter box 5, and a baffle 16 is inserted into the filter box 5 through the limiting groove 2 15.

[0036] The fracturing flowback fluid is injected into the filter frame 14 inside the filter box 5. The filter frame 14 filters out coarse particulate impurities in the fracturing flowback fluid. When cleaning the coarse particulate impurities in the filter frame 14, the baffle 16 is pulled upward to disengage from the second limiting groove 15. Then the filter frame 14 is pulled out to disengage from the first limiting groove 13, and the coarse particulate impurities in the filter frame 14 can be discharged.

[0037] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A fracturing flowback fluid pretreatment device, characterized in that, include: The processing box (1) and the power component (2) are fixedly installed at the bottom of the processing box (1). The output end of the power component (2) passes through the processing box (1) and is fixedly connected to the stirring tube (3). The outer side wall of the stirring tube (3) is fixedly installed with the guide tube (4). The filter box (5) and the box body (6) are respectively fixedly installed on the top of the processing box (1), and a one-way pipe (7) is fixedly installed on the bottom of the box body (6); A quantitative component (8) is disposed on the top of the processing box (1). One end of the one-way tube (7) is fixedly connected to one end of the quantitative component (8). One end of the quantitative component (8) is fixedly connected to a one-way tube (9). One end of the one-way tube (9) is rotatably connected to the stirring tube (3).

2. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: The quantitative component (8) includes a graduated cylinder (81), a threaded rod (82), and a piston plate (83). The graduated cylinder (81) is located at the top of the processing box (1). The piston plate (83) is slidably connected to the inner wall of the graduated cylinder (81). The threaded rod (82) is rotatably connected to one side of the piston plate (83). The threaded rod (82) is threadedly connected to the graduated cylinder (81). One end of the one-way tube (7) is fixedly connected to one end of the graduated cylinder (81). The other one-way tube (9) is located at one end of the graduated cylinder (81).

3. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: The outer wall of the stirring tube (3) is fixedly equipped with stirring blades (10), which are arranged in a linear array.

4. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: A discharge pipe (11) is fixedly installed on the outer wall of the processing box (1), and a valve (12) is installed on the outer wall of the discharge pipe (11).

5. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: The filter box (5) has a limiting groove (13) on both sides of its inner wall, and a filter frame (14) is inserted into the filter box (5) through the limiting groove (13).

6. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: The filter box (5) has two limiting grooves (15) on both sides of its inner wall, and a baffle (16) is inserted into the filter box (5) through the limiting grooves (15).

7. The fracturing flowback fluid pretreatment device according to claim 1, characterized in that: The power component (2) is an electric motor.

Citation Information

Patent Citations

  • Fracturing fluid flowback fluid treatment device

    CN222118913U