Fracturing fluid preparation device based on seawater base

Abstract

The utility model discloses a fracturing fluid preparation device based on a seawater base, and particularly relates to the technical field of fracturing fluid preparation, the fracturing fluid preparation device comprises a supporting table, a preparation cylinder is fixedly installed on the supporting table, the preparation cylinder penetrates through the supporting table, the lower end of the preparation cylinder is fixedly communicated with a discharging pipe, and a switch valve is fixedly installed on the discharging pipe; a first motor is fixedly mounted in the middle of the upper end of the preparation cylinder, the lower end of an output shaft of the first motor penetrates through the top end of the preparation cylinder and extends into the preparation cylinder, and a plurality of first stirring rods are fixedly mounted on the output shaft of the first motor and located in the preparation cylinder; the upper end of the second opening is provided with a second sealing plate, and the upper end of the first opening is fixedly provided with a measuring mechanism. According to the device, the thickening agent can be quantitatively added, the situation that the viscosity of fracturing fluid is affected due to the fact that the adding amount of the thickening agent is too large or small is avoided, and fracturing fluid raw materials and the thickening agent can be fully and automatically stirred conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of fracturing fluid preparation, in particular to a fracturing fluid preparation device based on seawater. Background Art

[0002] At present, large-scale, factory-based fracturing has become an important technical means for the development of low-permeability oil fields. The fracturing fluid used in offshore low-permeability oil fields is mainly mixed with fresh water in batches. Due to the limited space of the fracturing ship, the amount of fracturing fluid is limited, and the fresh water needs to be transported over long distances, there are shortcomings such as restricting the scale of fracturing, limiting the fracturing process, and high costs. It cannot meet the needs of large-scale, factory-based fracturing; my country's fresh water resources are scarce, and how to save fresh water resources is an urgent problem that needs to be solved. Using seawater to prepare fracturing fluid can effectively save fresh water resources, save costs, and achieve large-scale fracturing transformation through continuous mixing.

[0003] In actual use, in order to make the fracturing fluid have a certain viscosity, natural plant gums, cellulose derivatives and synthetic polymers are often used as thickeners. However, it is difficult to accurately adjust the amount of thickener added in the existing technology. If the amount added is too little, the fracturing fluid viscosity will be insufficient. If too much is added, the fracturing fluid viscosity will be too high.

[0004] Therefore, we made improvements to this problem and proposed a seawater-based fracturing fluid preparation device. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a seawater-based fracturing fluid preparation device, comprising a support platform, a preparation barrel is fixedly installed on the support platform, and the preparation barrel runs through the support platform, a discharge pipe is fixedly connected to the lower end of the preparation barrel, and a switch valve is fixedly installed on the discharge pipe;

[0007] A first motor is fixedly installed at the middle of the upper end of the preparation cylinder, the lower end of the first motor output shaft passes through the top of the preparation cylinder and extends into the interior of the preparation cylinder, a plurality of first stirring rods are fixedly installed on the first motor output shaft and located inside the preparation cylinder, a first opening and a second opening are opened at the upper end of the preparation cylinder, a second sealing plate is installed at the upper end of the second opening, and a measuring mechanism is fixedly installed at the upper end of the first opening;

[0008] The measuring mechanism includes a measuring cylinder, the lower end of which is open, and the measuring cylinder is fixedly installed on the upper end of a first opening, a second motor is fixedly installed in the middle of the upper end of the measuring cylinder, the lower end of the second motor output shaft passes through the upper end of the measuring cylinder and extends to the inside of the measuring cylinder, a plurality of second stirring rods are fixedly installed on the second motor output shaft and inside the measuring cylinder, a third opening is opened at the upper end of the measuring cylinder, and a third sealing plate is installed at the upper end of the third opening.

[0009] As a preferred technical solution of the utility model, the lower end surface of the support platform is fixedly installed with four support legs in a rectangular array, and the lower end of the support leg is installed with a brakeable universal wheel;

[0010] A handle is fixedly installed on the upper end surface of the supporting platform.

[0011] As an optimal technical solution of the utility model, a third motor is fixedly installed at the right end of the bottom of the measuring cylinder, the left end of the output shaft of the third motor passes through the right end of the bottom of the measuring cylinder and extends into the interior of the measuring cylinder, and a measuring plate is fixedly installed.

[0012] As a preferred technical solution of the utility model, a pressure sensor is fixedly installed at the bottom end of the measuring plate, a detection support block is fitted on the upper end of the sensing end of the pressure sensor, the upper end of the detection support block passes through the upper end of the measuring plate, and a sealing plate is fixedly installed;

[0013] A controller and an alarm are fixedly installed at the top of the measuring plate and above the pressure sensor.

[0014] As a preferred technical solution of the present utility model, the pressure sensor is electrically connected to the controller, and the controller is electrically connected to the alarm.

[0015] As a preferred technical solution of the utility model, transparent observation windows are fixedly installed on the side end surfaces of the preparation tube and the measuring tube.

[0016] The beneficial effects of the utility model are:

[0017] 1. This seawater-based fracturing fluid preparation device first applies a maximum value to the controller. When the thickener raw material is loaded into the measuring cylinder through the third opening and falls into the sealing plate, the sealing plate and the detection support block apply pressure information to the pressure sensor. The pressure sensor receives the pressure information and transmits the pressure information to the controller. The controller can convert the pressure information into data. When the data is greater than or equal to the maximum value, it means that the amount of thickener raw material has reached the preset value. At this time, the controller can send an instruction to the alarm, and the alarm can start to alarm, reminding the staff to stop pouring the thickener raw material into the measuring cylinder, and then close the third sealing plate and start the second motor. The second motor can work to fully stir the thickener raw material through the second stirring rod to obtain the thickener. Through the above design, quantitative addition of thickener can be achieved to avoid excessive or insufficient addition of thickener, thereby affecting the viscosity of the fracturing fluid.

[0018] 2. This seawater-based fracturing fluid preparation device opens the second sealing plate, and can add fracturing fluid raw materials into the preparation barrel through the second opening, and then start the first motor. The first motor can fully stir the fracturing fluid raw materials and the thickener through the first stirring rod. After the stirring is completed, open the switch valve, and the fracturing fluid can be smoothly discharged through the discharge pipe. The above design can facilitate the full and automatic stirring of the fracturing fluid raw materials and the thickener.

[0019] The utility model can realize quantitative addition of the thickener, avoid excessive or insufficient addition of the thickener, thereby affecting the viscosity of the fracturing fluid, and facilitates full and automatic stirring of the fracturing fluid raw materials and the thickener. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the structure of a seawater-based fracturing fluid preparation device of the utility model;

[0022] Figure 2 This is an exploded view of the local structure of a seawater-based fracturing fluid preparation device of the utility model;

[0023] Figure 3 It is a structural schematic diagram of a measuring mechanism in a seawater-based fracturing fluid preparation device of the utility model;

[0024] Figure 4 It is an exploded diagram of a measuring mechanism in a seawater-based fracturing fluid preparation device of the utility model;

[0025] Figure 5 It is a partial structural sectional view of a seawater-based fracturing fluid preparation device of the utility model.

[0026] In the figure: 1, support table; 2, preparation cylinder; 3, first motor; 4, measuring mechanism; 5, discharge pipe; 6, switch valve; 7, support leg; 8, first opening; 9, first stirring rod; 10, second opening;

[0027] 401, measuring cylinder; 402, third motor; 403, second motor; 404, second stirring rod; 405, third opening; 406, sealing plate; 407, measuring plate; 408, controller; 409, pressure sensor; 410, detection support block; 411, alarm. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] Example: Figure 1-5 As shown, the utility model is a seawater-based fracturing fluid preparation device, comprising a support platform 1, a preparation barrel 2 is fixedly mounted on the support platform 1, and the preparation barrel 2 runs through the support platform 1, a discharge pipe 5 is fixedly connected to the lower end of the preparation barrel 2, and a switch valve 6 is fixedly mounted on the discharge pipe 5;

[0030] A first motor 3 is fixedly installed at the middle of the upper end of the preparation tube 2, the lower end of the output shaft of the first motor 3 passes through the top of the preparation tube 2 and extends into the inside of the preparation tube 2, a plurality of first stirring rods 9 are fixedly installed on the output shaft of the first motor 3 and located inside the preparation tube 2, a first opening 8 and a second opening 10 are opened at the upper end of the preparation tube 2, a second sealing plate is installed at the upper end of the second opening 10, and a measuring mechanism 4 is fixedly installed at the upper end of the first opening 8;

[0031] The measuring mechanism 4 includes a measuring cylinder 401, the lower end of which is open and fixedly mounted on the upper end of the first opening 8. A second motor 403 is fixedly mounted in the middle of the upper end of the measuring cylinder 401. The lower end of the output shaft of the second motor 403 passes through the upper end of the measuring cylinder 401 and extends to the inside of the measuring cylinder 401. A plurality of second stirring rods 404 are fixedly mounted on the output shaft of the second motor 403 and located inside the measuring cylinder 401. A third opening 405 is opened at the upper end of the measuring cylinder 401, and a third sealing plate is mounted on the upper end of the third opening 405.

[0032] In this embodiment, Figure 1 As shown, four support legs 7 are fixedly installed in a rectangular array on the lower end surface of the support platform 1, and brakeable universal wheels are installed on the lower ends of the support legs 7; a handle is fixedly installed on the upper end surface of the support platform 1.

[0033] The utility model can be conveniently moved and fixed by means of a handle and a brakeable universal wheel.

[0034] like Figure 3-5As shown, a third motor 402 is fixedly installed at the right end of the bottom of the measuring cylinder 401, and the left end of the output shaft of the third motor 402 passes through the right end of the bottom of the measuring cylinder 401 and extends to the inside of the measuring cylinder 401, and a measuring plate 407 is fixedly installed. A pressure sensor 409 is fixedly installed at the bottom of the measuring plate 407, and a detection support block 410 is attached to the upper end of the sensing end of the pressure sensor 409. The upper end of the detection support block 410 passes through the upper end of the measuring plate 407 and a sealing plate 406 is fixedly installed; a controller 408 and an alarm 411 are fixedly installed at the top of the measuring plate 407 and located above the pressure sensor 409. The pressure sensor 409 is electrically connected to the controller 408, and the controller 408 is electrically connected to the alarm 411.

[0035] First, a maximum value is applied to the controller 408. The controller 408 is a SC200 universal controller. The lower end of the measuring cylinder 401 can be sealed through the sealing plate 406. The third sealing plate is opened. When the thickener raw material is loaded into the measuring cylinder 401 through the third opening 405 and falls into the sealing plate 406, the pressure information is applied to the pressure sensor 409 through the sealing plate 406 and the detection support block 410. The pressure sensor 409 receives the pressure information and transmits the pressure information to the controller 408. The controller 408 can convert the pressure information into data. When the data is greater than or equal to the maximum value, it means that the amount of thickener raw material has reached the preset value. At this time, the controller 408 can send an instruction to the alarm 411, and the alarm 411 can start to alarm, reminding the staff to stop pouring the thickener raw material into the measuring cylinder 401, and then close the third sealing plate.

[0036] The second motor 403 is started, and the second motor 403 can fully stir the thickener raw material through the second stirring rod 404 to obtain the thickener.

[0037] Transparent observation windows are fixedly installed on the side end surfaces of the preparation cylinder 2 and the measuring cylinder 401 .

[0038] The preparation process in the preparation cylinder 2 and the measuring cylinder 401 can be observed through the transparent observation window. After the thickener is prepared, the third motor 402 can be started. The third motor 402 can drive the measuring plate 407 and the sealing plate 406 to rotate, so that the thickener can smoothly enter the preparation cylinder 2 through the third opening 405.

[0039] The second sealing plate is opened, and the fracturing fluid raw material can be added into the preparation tube 2 through the second opening 10, and then the first motor 3 is started. The first motor 3 can fully stir the fracturing fluid raw material and the thickener through the first stirring rod 9. After the stirring is completed, the switch valve 6 is opened and the fracturing fluid can be smoothly discharged through the discharge pipe 5.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A seawater-based fracturing fluid preparation device, characterized in that: It comprises a support platform (1), a preparation cylinder (2) is fixedly mounted on the support platform (1), and the preparation cylinder (2) runs through the support platform (1), a discharge pipe (5) is fixedly connected to the lower end of the preparation cylinder (2), and a switch valve (6) is fixedly mounted on the discharge pipe (5); A first motor (3) is fixedly mounted at the middle of the upper end of the preparation cylinder (2); the lower end of the output shaft of the first motor (3) passes through the top end of the preparation cylinder (2) and extends into the interior of the preparation cylinder (2); a plurality of first stirring rods (9) are fixedly mounted on the output shaft of the first motor (3) and located inside the preparation cylinder (2); a first opening (8) and a second opening (10) are opened at the upper end of the preparation cylinder (2); a second sealing plate is mounted at the upper end of the second opening (10); and a measuring mechanism (4) is fixedly mounted at the upper end of the first opening (8); The measuring mechanism (4) comprises a measuring cylinder (401), the lower end of the measuring cylinder (401) is open, and the measuring cylinder (401) is fixedly mounted on the upper end of the first opening (8), a second motor (403) is fixedly mounted at the middle of the upper end of the measuring cylinder (401), the lower end of the output shaft of the second motor (403) passes through the upper end of the measuring cylinder (401) and extends into the interior of the measuring cylinder (401), a plurality of second stirring rods (404) are fixedly mounted on the output shaft of the second motor (403) and located inside the measuring cylinder (401), a third opening (405) is opened at the upper end of the measuring cylinder (401), and a third sealing plate is mounted on the upper end of the third opening (405).

2. The seawater-based fracturing fluid preparation device according to claim 1, characterized in that: The lower end surface of the support platform (1) is fixedly provided with four support legs (7) in a rectangular array, and the lower ends of the support legs (7) are provided with brakeable universal wheels; A handle is fixedly mounted on the upper end surface of the support platform (1).

3. The seawater-based fracturing fluid preparation device according to claim 2, characterized in that: A third motor (402) is fixedly mounted on the right end of the bottom of the measuring cylinder (401); the left end of the output shaft of the third motor (402) passes through the right end of the bottom of the measuring cylinder (401) and extends into the interior of the measuring cylinder (401), and a measuring plate (407) is fixedly mounted thereon.

4. The seawater-based fracturing fluid preparation device according to claim 3, characterized in that: A pressure sensor (409) is fixedly installed at the bottom of the measuring plate (407), a detection support block (410) is attached to the upper end of the sensing end of the pressure sensor (409), the upper end of the detection support block (410) passes through the upper end of the measuring plate (407), and a sealing plate (406) is fixedly installed thereon; A controller (408) and an alarm (411) are fixedly installed at the top of the measuring plate (407) and above the pressure sensor (409).

5. The seawater-based fracturing fluid preparation device according to claim 4, characterized in that: The pressure sensor (409) is electrically connected to the controller (408), and the controller (408) is electrically connected to the alarm (411).

6. The seawater-based fracturing fluid preparation device according to claim 5, characterized in that: Transparent observation windows are fixedly mounted on the side end surfaces of the preparation cylinder (2) and the measuring cylinder (401).

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