Clean fracturing fluid storage device for oil well water plugging

Abstract

The utility model relates to the technical field of fracturing fluid storage, and discloses a clean fracturing fluid storage device for oil well water plugging, which comprises a first tank body, a second tank body arranged at the lower end of the first tank body, a servo motor fixedly mounted in the middle of the lower end of the second tank body, and a transmission rod mounted at the output end of the servo motor. And rubber positioning rings are fixedly mounted at the edge of the lower end opening of the inner cavity of the first tank body and the edge of the upper end opening of the inner cavity of the second tank body. According to the technical scheme, the rack can drive the arc-shaped plate to slide towards the middle, so that the positioning block on the arc-shaped plate is separated from the positioning groove, the first tank body and the second tank body are further conveniently separated, the trouble that a plurality of bolts are disassembled by workers is omitted, and the bolts can be conveniently disassembled in the rotating process of the transmission rod. And the fixed rod drives the scraping blade to scrape and clean the side wall and the top of the first tank body, so that subsequent workers can conveniently and separately clean the first tank body and the second tank body.

Description

Technical Field

[0001] The utility model relates to the technical field of fracturing fluid storage, in particular to a clean fracturing fluid storage device for oil well water plugging. Background Art

[0002] Fracturing fluid refers to a heterogeneous and unstable chemical system formed by a certain ratio of multiple additives. It is the working fluid used for fracturing oil and gas layers. Its main function is to transfer the high pressure formed by ground equipment to the formation, causing the formation to break and form cracks and transport proppant along the cracks.

[0003] After searching, the publication number is (CN216510454U), which discloses a clean fracturing fluid storage device for oil well water plugging, including a first tank body and a second tank body, a first positioning ring is fixed to the top end of the first tank body, and a second positioning ring is fixed to the bottom end of the second tank body, the first positioning ring is connected to the second positioning ring, and the first positioning ring and the second positioning ring are connected by bolts and nuts.

[0004] When implementing this technical solution, there are at least the following defects: although the utility model stores the fracturing fluid by cooperating with the first tank body and the second tank body, which is convenient for separation and maintenance, the disassembly is cumbersome due to the coordination of multiple bolts, and the inner wall of the first tank body cannot be scraped and cleaned during the disassembly process, which is in urgent need of improvement. Therefore, we propose a clean fracturing fluid storage device for oil well water plugging. Utility Model Content

[0005] The utility model aims to provide a clean fracturing fluid storage device for oil well water plugging, which solves the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clean fracturing fluid storage device for oil well water plugging, comprising a first tank body, a second tank body is arranged at the lower end of the first tank body, a servo motor is fixedly installed at the middle of the lower end of the second tank body, a transmission rod is installed at the output end of the servo motor, and a rubber positioning ring is fixedly installed at the lower end edge of the inner cavity of the first tank body and the upper end edge of the inner cavity of the second tank body;

[0007] A plurality of positioning grooves are provided on the inner side of the rubber positioning ring, and the positioning grooves are distributed in a ring shape. An arc plate is slidably mounted on the upper end of the second tank body, positioning blocks are fixedly mounted on the outer sides of the arc plate, a rack is fixedly mounted on the inner side of the arc plate, a gear rod is fixedly mounted on the upper end of the transmission rod, a fixing rod is fixedly mounted on the upper end of the transmission rod, a scraper is fixedly mounted on the end of the fixing rod, and the scraper is fitted against the inner wall of the first tank body.

[0008] By adopting the above technical scheme, the rack can drive the arc plate to slide toward the middle, so that the positioning block on the arc plate is separated from the positioning groove, which further facilitates the separation of the first tank body and the second tank body, eliminating the trouble of the staff to disassemble multiple bolts, and the joint of the first tank body and the second tank body can be sealed by the fitting limit of the rubber positioning ring, and a sealing gasket is provided between the first tank body and the second tank body, which further ensures the sealing of the connection between the first tank body and the second tank body, thereby facilitating the storage of the fracturing fluid, and during the rotation of the transmission rod, the fixed rod can drive the scraper to scrape and clean the side wall and the top of the first tank body, which further facilitates the subsequent staff to clean the first tank body and the second tank separately.

[0009] Optionally, the size of the positioning block is matched with the size of the positioning slot, and the positioning block is movably connected to the positioning slot.

[0010] By adopting the above technical solution, it is convenient to cooperate with the positioning block and the positioning groove, so as to facilitate the positioning of the rubber positioning ring, thereby completing the positioning connection of the first tank body and the second tank body.

[0011] Optionally, the number of positioning blocks is multiple, and the positioning blocks and the positioning grooves are on the same horizontal plane.

[0012] By adopting the above technical solution, it is easy to ensure the positioning effect of each part, thereby ensuring the uniformity of force.

[0013] Optionally, the two racks are symmetrically arranged, and the racks are meshed with the gear rod.

[0014] By adopting the above technical solution, it is convenient to cooperate with the rack and the gear rod, so as to drive the arc plate to move, thereby completing the positioning connection between the first tank body and the second tank body.

[0015] Optionally, a lifting ring is welded at the middle of the upper end of the first tank body.

[0016] By adopting the above technical solution and providing the lifting ring, it is convenient to lift and separate the first tank body.

[0017] Optionally, the size of the lower end of the first tank body is the same as the size of the upper end of the second tank body, and a sealing gasket is provided at the connection between the lower end of the first tank body and the upper end of the second tank body.

[0018] By adopting the above technical solution, the stability and sealing of the connection between the first tank body and the second tank body can be ensured, thereby facilitating the storage of the fracturing fluid.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] The technical solution of the present application, through the provision of the first tank body, the second tank body, the rubber positioning ring, the arc plate, the gear rod and the scraper, can not only enable the gear rack to drive the arc plate to slide toward the middle, so that the positioning block on the arc plate is separated from the positioning groove, further facilitating the separation of the first tank body and the second tank body, saving the trouble of the staff to disassemble multiple bolts, but also can seal the joint of the first tank body and the second tank body through the fitting limit of the rubber positioning ring, and a sealing gasket is provided between the first tank body and the second tank body, further ensuring the sealing of the connection between the first tank body and the second tank body, thereby facilitating the storage of the fracturing fluid, and during the rotation of the transmission rod, the fixed rod can drive the scraper to scrape and clean the side wall and the top of the first tank body, further facilitating the subsequent staff to clean the first tank body and the second tank separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of a clean fracturing fluid storage device for oil well water plugging according to the utility model;

[0023] Figure 2 The utility model is a schematic diagram of the top view of the structure of a rubber positioning ring of a clean fracturing fluid storage device for oil well water plugging.

[0024] In the figure: 1, first tank body; 11, second tank body; 12, lifting ring; 2, servo motor; 21, transmission rod; 22, rubber positioning ring; 23, positioning groove; 3, arc plate; 31, positioning block; 32, gear rod; 33, rack; 4, fixing rod; 5, scraper. DETAILED DESCRIPTION

[0025] See also Figure 1-2 The utility model provides a technical solution: a clean fracturing fluid storage device for oil well water plugging, comprising a first tank body 1, a second tank body 11 is arranged at the lower end of the first tank body 1, a servo motor 2 is fixedly installed at the middle of the lower end of the second tank body 11, a transmission rod 21 is installed at the output end of the servo motor 2, and a rubber positioning ring 22 is fixedly installed at the lower end edge of the inner cavity of the first tank body 1 and the upper end edge of the inner cavity of the second tank body 11;

[0026] A plurality of positioning grooves 23 are provided on the inner side of the rubber positioning ring 22, and the positioning grooves 23 are distributed in an annular shape. An arc plate 3 is slidably mounted on the upper end of the second tank body 11, and a positioning block 31 is fixedly mounted on the outer side of the arc plate 3. A rack 33 is fixedly mounted on the inner side of the arc plate 3. A gear rod 32 is fixedly mounted on the upper end of the transmission rod 21, and a fixing rod 4 is fixedly mounted on the upper end of the transmission rod 21. A scraper 5 is fixedly mounted on the end of the fixing rod 4. The scraper 5 is fitted with the inner wall of the first tank body 1. The two racks 33 are symmetrically arranged, and the racks 33 are meshed with the gear rod 32, so as to facilitate the removal of the scraper 5 through the gear rod 32. The bar 33 cooperates with the gear rod 32 to facilitate the movement of the arc plate 3, thereby completing the positioning connection of the first tank body 1 and the second tank body 11. A lifting ring 12 is welded to the middle part of the upper end of the first tank body 1. Through the setting of the lifting ring 12, it is convenient to lift and separate the first tank body 1. The lower end size of the first tank body 1 is the same as the upper end size of the second tank body 11, and a sealing gasket is provided at the connection between the lower end of the first tank body 1 and the upper end of the second tank body 11, so as to ensure the stability and sealing of the connection between the first tank body 1 and the second tank body 11, thereby facilitating the storage of the fracturing fluid.

[0027] The size of the positioning block 31 is adapted to the size of the positioning groove 23, and the positioning block 31 is movably connected to the positioning groove 23, so that the rubber positioning ring 22 can be positioned conveniently through the cooperation between the positioning block 31 and the positioning groove 23, thereby completing the positioning connection of the first tank body 1 and the second tank body 11.

[0028] A plurality of positioning blocks 31 are provided, and the positioning blocks 31 and the positioning grooves 23 are on the same horizontal plane, so as to ensure the positioning effect of each part, thereby ensuring the uniformity of force.

[0029] During maintenance, the residual fracturing fluid in the first tank body 1 and the second tank body 11 is first discharged, and then the servo motor 2 is turned on. The servo motor 2 drives the transmission rod 21 to rotate, and the gear rod 32 on the transmission rod 21 drives the rack 33 to move toward the middle, so that the rack 33 drives the arc plate 3 to slide toward the middle, so that the positioning block 31 on the arc plate 3 is separated from the positioning groove 23, which further facilitates the separation of the first tank body 1 and the second tank body 11, saves the trouble of the staff to disassemble multiple bolts, and the rubber positioning ring 22 is used to fit the limit position. The joint between the first tank body 1 and the second tank body 11 can be sealed, and a sealing gasket is provided between the first tank body 1 and the second tank body 11, which further ensures the sealing of the connection between the first tank body 1 and the second tank body 11, thereby facilitating the storage of the fracturing fluid. At the same time, during the rotation of the transmission rod 21, the fixed rod 4 on the transmission rod 21 will rotate accordingly, and the fixed rod 4 drives the scraper 5 to scrape and clean the side wall and the top of the first tank body 1, further facilitating the subsequent staff to clean the first tank body 1 and the second tank body 11 separately.

Claims

1. A clean fracturing fluid storage device for oil well water plugging, comprising a first tank body (1), characterized in that: A second tank body (11) is disposed at the lower end of the first tank body (1), a servo motor (2) is fixedly mounted at the middle of the lower end of the second tank body (11), a transmission rod (21) is mounted at the output end of the servo motor (2), and a rubber positioning ring (22) is fixedly mounted at the lower end edge of the inner cavity of the first tank body (1) and the upper end edge of the inner cavity of the second tank body (11); A plurality of positioning grooves (23) are provided on the inner side of the rubber positioning ring (22), and the positioning grooves (23) are distributed in an annular shape. An arc plate (3) is slidably mounted on the upper end of the second tank body (11), and a positioning block (31) is fixedly mounted on the outer side of the arc plate (3). A rack (33) is fixedly mounted on the inner side of the arc plate (3). A gear rod (32) is fixedly mounted on the upper end of the transmission rod (21), and a fixing rod (4) is fixedly mounted on the upper end of the transmission rod (21). A scraper (5) is fixedly mounted on the end of the fixing rod (4), and the scraper (5) is in contact with the inner wall of the first tank body (1).

2. A clean fracturing fluid storage device for oil well water plugging according to claim 1, characterized in that: The size of the positioning block (31) is matched with the size of the positioning groove (23), and the positioning block (31) is movably connected to the positioning groove (23).

3. A clean fracturing fluid storage device for oil well water plugging according to claim 1, characterized in that: The positioning blocks (31) are provided in plurality, and the positioning blocks (31) and the positioning grooves (23) are on the same horizontal plane.

4. A clean fracturing fluid storage device for oil well water plugging according to claim 1, characterized in that: The two racks (33) are symmetrically arranged, and the racks (33) are meshed with the gear rod (32).

5. The clean fracturing fluid storage device for oil well water plugging according to claim 1, characterized in that: A lifting ring (12) is welded to the middle of the upper end of the first tank body (1).

6. A clean fracturing fluid storage device for oil well water plugging according to claim 1, characterized in that: The size of the lower end of the first tank body (1) is the same as the size of the upper end of the second tank body (11), and a sealing gasket is provided at the connection between the lower end of the first tank body (1) and the upper end of the second tank body (11).

Images