Remote acid fracturing fluid storage device

Abstract

The utility model provides a remote acid fracturing fluid storage device, and relates to the technical field of oil field fracturing equipment. The remote acid fracturing fluid storage device comprises a tank body, a batching mechanism and a first stirring mechanism, the batching mechanism comprises a supporting frame, a batching box, a conveying pipe, a plurality of batching pipes, a second stirring mechanism and a water pump; the support frame is fixedly connected with the tank body; the batching box is fixedly connected with the support frame; one end of the conveying pipe is connected with the batching box, and the other end of the conveying pipe is connected with the tank body and provided with a check valve; the batching pipe is arranged on one side of the batching box; the second stirring mechanism is mounted on the batching box; the water pump is mounted on the support frame; one end of the water pump is connected with the batching box; the first stirring mechanism is mounted on the tank body; according to the remote acid fracturing fluid storage device, the technical problem that according to an existing acid fracturing fluid storage device, the concentration and components of acid fracturing fluid in a tank body are inconvenient to adjust on a fracturing operation site is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil field fracturing equipment, in particular to a remote acid fracturing fluid storage device. Background Art

[0002] Acid fracturing fluid is the fracturing fluid used in the acid fracturing process, which is mainly prepared by acid-containing fluid or acid modification.

[0003] During the acid fracturing process, the acid fracturing fluid dissolves the crack wall into an uneven surface, so that after the pump is stopped and the pressure is released, the crack wall will not be completely closed. It has a high conductivity and is effective in restoring and improving the production capacity of oil wells.

[0004] The existing acid fracturing fluid storage device includes a tank body, a stirring system and a liquid inlet and outlet. When in use, the acid fracturing fluid is configured in the tank body, and the stirring system stirs the acid fracturing fluid in the tank body. The tank body is placed on a transport vehicle and transported to the fracturing operation site. During the fracturing operation, the acid fracturing fluid is supplied to the wellhead through a pipeline system. At the same time, the concentration and composition of the acid fracturing fluid should be selected in combination with the soil conditions to be fractured. Sometimes, the concentration and composition of the acid fracturing fluid in the tank body need to be adjusted, but it is inconvenient to adjust the concentration and composition of the acid fracturing fluid in the tank body.

[0005] The inventors have found at least the following problems in the process of implementing this embodiment:

[0006] In the existing acid fracturing fluid storage device, it is inconvenient to adjust the concentration and composition of the acid fracturing fluid in the tank at the fracturing operation site. Utility Model Content

[0007] The utility model aims to provide a remote acid fracturing fluid storage device, which solves the technical problem of the existing acid fracturing fluid storage device that the concentration and composition of the acid fracturing fluid in the tank are inconvenient to adjust at the fracturing operation site.

[0008] Utility model solution:

[0009] The utility model provides a remote acid fracturing fluid storage device, comprising a tank body, a batching mechanism and a first stirring mechanism; the batching mechanism comprises a support frame, a batching box, a delivery pipe, a plurality of batching pipes, a second stirring mechanism and a water pump; the support frame is fixedly connected to the tank body, and the batching box is fixedly connected to the support frame; one end of the delivery pipe is connected to the batching box, and the other end is connected to the tank body, and a check valve is provided on the delivery pipe; the batching pipe is arranged on one side of the batching box; the second stirring mechanism is installed on the batching box; the water pump is installed on the support frame, and one end of the water pump is connected to the batching box; the first stirring mechanism is installed on the tank body.

[0010] Furthermore, the tank body is provided with a feed piece and a discharge piece, the feed piece is located at the top of the tank body, and the discharge piece is located at one end of the tank body.

[0011] Furthermore, the tank body is connected to a remote liquid level sensor.

[0012] Furthermore, the delivery pipe is provided with a bell mouth.

[0013] Furthermore, the second stirring mechanism includes a motor, a stirring rod and a stirring piece; the motor is connected to the batching box, and the stirring rod is connected to the output end of the motor; the stirring piece is connected to the stirring rod; and the stirring piece is provided with a plurality of water holes.

[0014] Furthermore, four stirring members are arranged on the stirring rod from top to bottom in sequence; the first stirring member is in the same direction as the second stirring member; and the first stirring member is in opposite directions to the third stirring member and the fourth stirring member.

[0015] Beneficial effects:

[0016] The utility model provides a remote acid fracturing fluid storage device. When the concentration and composition of the acid fracturing fluid need to be adjusted at the fracturing operation site, the check valve is closed, and the required retarder, conditioner, degumming agent, hydrochloric acid and other materials are transported to the batching box through the batching pipe, and half of the required water is added to the batching box through the water pump. The second stirring mechanism is started to stir the liquid in the batching box. After the stirring is completed, the check valve is opened, and the liquid in the batching box enters the tank body. The water pump is turned on to transport the other half of the required water to the batching box, and then enters the tank body. The check valve is closed, and the second stirring mechanism is started to stir the liquid in the tank body, thereby completing the adjustment of the concentration and composition of the acid fracturing fluid in the tank body. This remote acid fracturing fluid storage device is convenient for adjusting the concentration and composition of the acid fracturing fluid in the tank body at the fracturing operation site. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a remote acid fracturing fluid storage device provided in this embodiment;

[0019] Figure 2 A front view of the remote acid fracturing fluid storage device provided in this embodiment;

[0020] Figure 3 A schematic diagram of the structure of a remote acid fracturing fluid storage device provided in this embodiment.

[0021] icon:

[0022] 100-tank body; 110-feeding piece; 120-discharging piece; 130-remote liquid level sensor;

[0023] 200-dosing mechanism; 210-support frame; 220-dosing box; 230-delivery pipe; 231-check valve; 240-dosing pipe; 241-bell mouth; 250-second stirring mechanism; 251-motor; 252-stirring rod; 253-stirring element; 254-water hole; 260-water pump;

[0024] 300-The first stirring mechanism. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly tilted. In the description of the utility model, it should be noted that unless otherwise clearly stipulated and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0030] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] This embodiment provides a remote acid fracturing fluid storage device, please refer to Figure 1-3 As shown, it includes a tank body 100, a batching mechanism 200 and a first stirring mechanism 300; the batching mechanism 200 includes a support frame 210, a batching box 220, a delivery pipe 230, a plurality of batching pipes 240, a second stirring mechanism 250 and a water pump 260; the support frame 210 is fixedly connected to the tank body 100, and the batching box 220 is fixedly connected to the support frame 210; one end of the delivery pipe 230 is connected to the batching box 220, and the other end thereof is connected to the tank body 100, and it is provided with a check valve 231; the batching pipe 240 is arranged on one side of the batching box 220; the second stirring mechanism 250 is installed on the batching box 220; the water pump 260 is installed on the support frame 210, and one end thereof is connected to the batching box 220; the first stirring mechanism 300 is installed on the tank body 100.

[0032] Specifically, the tank body 100 is used to contain acid fracturing fluid, the batching mechanism 200 is used to adjust the concentration and composition of the acid fracturing fluid in the tank body 100, the support frame 210 is welded to the tank body 100, and is used to support the batching box 220 and the water pump 260, the delivery pipe 230 is used to transport the liquid in the batching box 220 to the tank body 100, and a plurality of batching pipes 240 can be provided to facilitate the placement of different materials into the batching box 220, the check valve 231 is used to control the switch of the delivery pipe 230, the second stirring mechanism 250 is used to stir the liquid in the batching box 220, the water pump 260 is used to add water to the batching box 220, and the first stirring mechanism 300 is provided with two for stirring the liquid in the tank body 100. When the concentration and composition of the acid fracturing fluid need to be adjusted at the fracturing operation site, the check valve 231 is closed, and the required retarder, conditioner, degumming agent, hydrochloric acid and other materials are transported to the batching box 220 through the batching pipe 240, and half of the required water is added to the batching box 220 through the water pump 260. The second stirring mechanism 250 is started to stir the liquid in the batching box 220. After the stirring is completed, the check valve 231 is opened, and the liquid in the batching box 220 enters the tank body 100. The water pump 260 is turned on to transport the other half of the required water to the batching box 220, and then enters the tank body 100. The check valve 231 is closed, and the second stirring mechanism 250 is started to stir the liquid in the tank body 100, thereby completing the adjustment of the concentration and composition of the acid fracturing fluid in the tank body 100.

[0033] In this embodiment, the tank body 100 is provided with a feed piece 110 and a discharge piece 120 . The feed piece 110 is located at the top of the tank body 100 , and the discharge piece 120 is located at one end of the tank body 100 .

[0034] Specifically, the feed member 110 is used to inject the acid fracturing fluid into the tank body 100, and the discharge member 120 is used to transport the acid fracturing fluid in the tank body 100 to the wellhead.

[0035] In this embodiment, the tank body 100 is connected to a remote liquid level sensor 130 .

[0036] Specifically, the remote liquid level sensor 130 transmits the measured liquid level data to the remote monitoring system in a wireless manner through a wireless transmission module.

[0037] In this embodiment, the delivery pipe 230 is provided with a bell mouth 241 .

[0038] Specifically, the setting of the bell mouth 241 plays a role of guiding flow, making it more convenient to add solution into the batching box 220.

[0039] In this embodiment, the second stirring mechanism 250 includes a motor 251, a stirring rod 252 and a stirring member 253; the motor 251 is connected to the ingredient box 220, and the stirring rod 252 is connected to the output end of the motor 251; the stirring member 253 is connected to the stirring rod 252; the stirring member 253 is provided with a plurality of water holes 254.

[0040] Specifically, the motor 251 drives the stirring rod 252 to rotate, and the stirring rod 252 drives the stirring member 253 to rotate. The stirring member 253 stirs the liquid in the batching box 220 evenly. The water holes 254 are discretely distributed, so that the liquid in the batching box 220 can produce multiple water flows, thereby improving the stirring quality.

[0041] In this embodiment, four stirring members 253 are arranged on the stirring rod 252 from top to bottom; the first stirring member 253 has the same direction as the second stirring member 253 ; the first stirring member 253 has opposite directions to the third stirring member 253 and the fourth stirring member 253 .

[0042] Specifically, the four stirring members 253 have the same shape and structure, which facilitates standardized production. The first stirring member 253 and the second stirring member 253 are in opposite directions to the third stirring member 253 and the fourth stirring member 253, so that the liquid in the ingredient box 220 can produce opposite water flow directions, thereby improving the stirring quality.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A remote acid fracturing fluid storage device, characterized in that: It comprises a tank body (100), a batching mechanism (200) and a first stirring mechanism (300); The batching mechanism (200) comprises a support frame (210), a batching box (220), a delivery pipe (230), a plurality of batching pipes (240), a second stirring mechanism (250) and a water pump (260); The support frame (210) is fixedly connected to the tank body (100), and the batching box (220) is fixedly connected to the support frame (210); One end of the delivery pipe (230) is connected to the batching box (220), and the other end is connected to the tank body (100), and a check valve (231) is provided on the delivery pipe; The batching pipe (240) is arranged on one side of the batching box (220); The second stirring mechanism (250) is installed on the batching box (220); The water pump (260) is installed on the support frame (210), and one end of the water pump is connected to the batching box (220); The first stirring mechanism (300) is installed on the tank body (100).

2. A remote acid fracturing fluid storage device according to claim 1, characterized in that: The tank body (100) is provided with a feeding piece (110) and a discharging piece (120), wherein the feeding piece (110) is located at the top of the tank body (100), and the discharging piece (120) is located at one end of the tank body (100).

3. A remote acid fracturing fluid storage device according to claim 2, characterized in that: The tank body (100) is connected to a remote liquid level sensor (130).

4. A remote acid fracturing fluid storage device according to claim 3, characterized in that: The delivery pipe (230) is provided with a bell mouth (241).

5. A remote acid fracturing fluid storage device according to claim 4, characterized in that: The second stirring mechanism (250) comprises a motor (251), a stirring rod (252) and a stirring member (253); The motor (251) is connected to the batching box (220), and the stirring rod (252) is connected to the output end of the motor (251); The stirring member (253) is connected to the stirring rod (252); The stirring member (253) is provided with a plurality of water holes (254).

6. A remote acid fracturing fluid storage device according to claim 5, characterized in that: The stirring members (253) are provided with four in sequence from top to bottom on the stirring rod (252); The first stirring member (253) and the second stirring member (253) are in the same direction; The first stirring member (253) is in the opposite direction to the third stirring member (253) and the fourth stirring member (253).

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