Mixing and adjusting device for drilling aid

Abstract

The utility model relates to the technical field of well drilling, and discloses a well drilling auxiliary agent mixing and adjusting device which comprises a stirring tank, a sealing cover and a stirring assembly. A sleeve for mounting the blanking piece is arranged on the sealing cover; the discharging piece comprises a discharging column movably installed in the sleeve and a funnel located on the top of the discharging column. A plurality of spiral discharging channels are formed in the discharging column. The top of the discharging column is provided with a downwards-sunken arc face. A supporting plate is formed on the outer side wall of the sleeve, and a mounting plate is formed on the side wall of the discharging column. And a supporting spring is arranged between the supporting plate and the mounting plate. The stirring efficiency can be improved, and the drilling aid can be uniformly mixed in the drilling fluid more easily.

Description

Technical Field

[0001] This utility model belongs to the field of drilling technology, specifically relating to a drilling additive mixing and adjustment device. Background Technology

[0002] Oil and gas field development is a complex and comprehensive project consisting of exploration, drilling, downhole operations, oil production, gathering and transportation, etc. Each stage of the operation requires a large amount of chemicals. Drilling fluid, also known as drilling mud, plays a role in breaking rock cores, carrying rock cuttings, lubricating and cooling drill bits, balancing formation pressure, and protecting the wellbore. Maintaining good mud performance is an important means to improve drilling speed and ensure downhole safety, and treatment agents are the key to ensuring mud optimization.

[0003] Drilling aids come in liquid and powder form. Generally, powdered drilling aids are usually packaged in bags. When adding drilling aids, if a whole bag of drilling aids is poured directly into the mixing tank, the drilling aids will clump together and will not be easy to mix evenly. If they are added in batches, it will increase the workload and reduce the efficiency of the work.

[0004] In view of this, the inventor conducted in-depth research on the aforementioned deficiencies in the prior art, which led to the creation of this case. Utility Model Content

[0005] The purpose of this invention is to provide a drilling additive mixing and adjusting device that eliminates the need for multiple additions of drilling additives, improves stirring efficiency, and makes it easier to uniformly mix drilling additives in drilling fluid.

[0006] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0007] A drilling additive mixing and adjusting device includes a mixing tank, a sealing cover, and a mixing assembly. A feeding component is installed on the sealing cover. A sleeve for mounting the feeding component is provided on the sealing cover. The feeding component includes a feeding column movably installed inside the sleeve and a funnel located at the top of the feeding column. Multiple spiral feeding channels are formed inside the feeding column. The top of the feeding column has a downwardly concave arc surface. A support plate is formed on the outer wall of the sleeve, and an mounting plate is formed on the side wall of the feeding column. A support spring is provided between the support plate and the mounting plate.

[0008] Furthermore, the mounting plate is also equipped with a vibration motor. The vibration motor can prevent drilling additives from clogging the feed channel.

[0009] Furthermore, the system also includes a cleaning mechanism for cleaning the mixing tank. The cleaning mechanism includes an annular pipe fixedly connected to the bottom of the sealing cap and several high-pressure nozzles disposed on the annular pipe, the high-pressure nozzles facing the inner wall of the mixing tank. A water inlet pipe is also provided on the annular pipe, passing through the upper surface of the sealing cap. The cleaning mechanism can be used to clean the mixing tank.

[0010] Furthermore, the mixing assembly includes a mixing shaft and a drive motor for rotating the mixing shaft; the mixing shaft is rotatably mounted on the inner bottom wall of the mixing tank, and the drive motor is fixedly mounted on the bottom of the mixing tank; the mixing shaft is provided with multiple rows of mixing rods, each row having multiple mixing rods arranged at equal intervals, and the mixing rods are inclined. The mixing assembly allows for more uniform and efficient mixing of drilling additives and drilling fluid.

[0011] Furthermore, the stirring shaft is also equipped with scrapers that slide in contact with the inner wall of the mixing tank. The upper and lower ends of the scrapers are provided with connecting rods connected to the stirring shaft. There are multiple scrapers, each corresponding to a row of stirring rods, and the outer ends of the stirring rods are connected to the scrapers. The scrapers can be used to remove residue remaining on the inner wall of the mixing tank.

[0012] Furthermore, the sealing cap is detachably connected to the mixing tank via bolts. Connecting the sealing cap to the mixing tank with bolts facilitates maintenance and repair of the components inside the mixing tank.

[0013] Furthermore, an inlet pipe for adding drilling fluid is formed on the side wall of the sleeve; a drain pipe is provided at the bottom of the mixing tank; and support feet are also provided on the outer side wall of the mixing tank. The support feet can keep the mixing tank stable.

[0014] With the above structure, the drilling additive mixing and adjusting device of this utility model, compared with the prior art, has a feeding component on the sealing cover. When adding drilling additive, a bag of drilling additive can be poured into the funnel at one time. Under the action of the spiral feeding channel, the drilling additive will gradually and slowly fall into the mixing tank. At this time, the mixing component is also constantly stirring, so that the drilling additive can be more easily and evenly mixed with the drilling fluid, improving the mixing efficiency and reducing the labor intensity of workers. Attached Figure Description

[0015] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the mixing tank in this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the lower material in this utility model;

[0019] Figure 4 for Figure 3 A cross-sectional schematic diagram;

[0020] Figure 5 This is a schematic diagram of the material feeding channel in this utility model.

[0021] Figure 6 This is a schematic diagram of the structure of the stirring shaft in this utility model;

[0022] Figure 7 This is a schematic diagram of the cleaning mechanism in this utility model.

[0023] The symbols for the main components are explained as follows: 1. Mixing tank, 11. Drain pipe, 12. Support leg, 2. Sealing cover, 21. Sleeve, 211. Support plate, 212. Inlet pipe, 212. Feeding component, 3. Feeding column, 311. Feeding channel, 311. Mounting plate, 312. Funnel, 32. Support spring, 4. Vibration motor, 5. Cleaning mechanism, 6. Annular pipe, 61. Water inlet pipe, 611. High-pressure nozzle, 62. Mixing assembly, 7. Mixing shaft, 71. Mixing rod, 711. Scraper, 712. Connecting rod, 713. Drive motor, 72. Bolt, 8. Detailed Implementation

[0024] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. Furthermore, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0025] like Figures 1 to 7As shown, this utility model relates to a drilling additive mixing and adjusting device, which includes a mixing tank 1, a sealing cover 2, and a mixing assembly 7. A feeding component 3 is installed on the sealing cover 2; a sleeve 21 for installing the feeding component 3 is provided on the sealing cover 2; the feeding component 3 includes a feeding column 31 movably installed within the sleeve 21 and a funnel 32 located at the top of the feeding column 31; multiple spiral feeding channels 311 are formed within the feeding column 31; specifically, the multiple feeding channels 311 are distributed in multiple layers along the radial direction of the feeding column 31, and each layer has multiple channels arranged in a ring array; by arranging the feeding channels 311 in a spiral shape, it is possible to... To allow the drilling additive powder to slowly enter the mixing tank 1, preventing the drilling additive from accumulating inside the mixing tank 1 and affecting the uniformity of mixing, the top of the feed column 31 has a downward-concave arc surface, which allows the drilling additive to smoothly enter the feed channel 311; a support plate 211 is formed on the outer wall of the sleeve 21, and an mounting plate 312 is formed on the side wall of the feed column 31; a support spring 4 is provided between the support plate 211 and the mounting plate 312, and a vibration motor is also provided on the mounting plate 312. The vibration motor causes the feed component 3 to vibrate, which can prevent the drilling additive from clogging the feed channel 311.

[0026] Preferably, the system also includes a cleaning mechanism 6 for cleaning the mixing tank 1. The cleaning mechanism 6 includes an annular pipe 61 fixedly connected to the bottom of the sealing cover 2 and several high-pressure nozzles 62 disposed on the annular pipe 61, with the high-pressure nozzles 62 facing the inner wall of the mixing tank 1. The annular pipe 61 is also provided with a water inlet pipe 611, which passes through the upper surface of the sealing cover 2. When it is necessary to clean the mixing tank 1, the water inlet pipe 611 is turned on, and the high-pressure nozzles 62 are used to perform high-pressure rinsing on the inner wall of the mixing tank 1.

[0027] Preferably, the stirring assembly 7 includes a stirring shaft 71 and a drive motor 72 for driving the stirring shaft 71 to rotate; the stirring shaft 71 is rotatably mounted on the inner bottom wall of the mixing tank 1, and the drive motor 72 is fixedly mounted on the bottom of the mixing tank 1; the stirring shaft 71 is provided with multiple rows of stirring rods 711, each row having multiple stirring rods 711 arranged at equal intervals, and the stirring rods 711 are inclined, with the inclination directions of the stirring rods 711 in adjacent rows being opposite, so that the stirring rods 711 can fully contact the liquid in the tank, and the mixing of drilling additives and drilling fluid can be more uniform and efficient.

[0028] Preferably, the stirring shaft 71 is also provided with scrapers 712 that slide in contact with the inner wall of the mixing tank 1. The upper and lower ends of the scraper 712 are provided with connecting rods 713 connected to the stirring shaft 71. The connecting rod 713 at the lower end can slide in contact with the inner wall of the mixing tank 1. There are multiple scrapers 712, each corresponding to a row of stirring rods 711. The outer ends of the stirring rods 711 are connected to the scrapers 712. Using the scrapers 712, residue remaining on the inner wall of the mixing tank 1 can be scraped off. When cleaning the mixing tank 1, the stirring assembly 7 can also be turned on, making cleaning the mixing tank 1 easier.

[0029] Preferably, the sealing cover 2 and the mixing tank 1 are detachably connected by bolts 8. Connecting the sealing cover 2 and the mixing tank 1 by bolts 8 facilitates the disassembly and assembly of the sealing cover 2 and the maintenance of the components inside the mixing tank.

[0030] Preferably, an inlet pipe 212 for adding drilling fluid is formed on the side wall of the sleeve 21; a drain pipe 11 is provided at the bottom of the mixing tank 1; and a support foot 12 is also provided on the outer side wall of the mixing tank 1. The support foot 12 can be used to keep the mixing tank 1 stable.

[0031] The method of using this utility model is as follows: First, drilling fluid can be added into the mixing tank 1 through the inlet pipe 212 and the drive motor 72 is turned on to make the stirring shaft 71 rotate. Then, the drilling aid is poured into the funnel 32 of the feeding part 3. Under the vibration of the vibration motor, the drilling aid gradually enters into the mixing tank 1. The drilling aid is stirred under the action of the stirring component 7. After stirring, it is discharged from the drain pipe 11. When cleaning is required, the water inlet pipe 611 is turned on and the inner wall of the mixing tank 1 is sprayed and cleaned using a high-pressure nozzle.

[0032] The above provides a detailed description of a drilling additive mixing and adjusting device provided by this utility model. The specific embodiments are described only to aid in understanding the method and core concept of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A drilling additive mixing and adjusting device, comprising a mixing tank (1), a sealing cap (2), and a mixing assembly (7), characterized in that: A feeding component (3) is installed on the sealing cover (2); a sleeve (21) for installing the feeding component (3) is provided on the sealing cover (2); the feeding component (3) includes a feeding column (31) movably installed in the sleeve (21) and a funnel (32) located at the top of the feeding column (31); a plurality of spiral feeding channels (311) are formed in the feeding column (31); the top of the feeding column (31) has a downwardly concave arc surface; a support plate (211) is formed on the outer side wall of the sleeve (21), and an mounting plate (312) is formed on the side wall of the feeding column (31); a support spring (4) is provided between the support plate (211) and the mounting plate (312).

2. The drilling additive mixing and adjusting device according to claim 1, characterized in that: The mounting plate (312) is also equipped with a vibration motor (5).

3. The drilling additive mixing and adjusting device according to claim 1, characterized in that: It also includes a cleaning mechanism (6) for cleaning the mixing tank (1), the cleaning mechanism (6) includes an annular pipe (61) fixedly connected to the bottom of the sealing cover (2) and a plurality of high-pressure nozzles (62) arranged on the annular pipe (61), the high-pressure nozzles (62) facing the inner wall of the mixing tank (1); the annular pipe (611) is also provided with a water inlet pipe (611), the water inlet pipe (611) passes through the upper surface of the sealing cover (2).

4. The drilling additive mixing and adjusting device according to claim 1, characterized in that: The stirring assembly (7) includes a stirring shaft (71) and a drive motor (72) for driving the stirring shaft (71) to rotate; the stirring shaft (71) is rotatably mounted on the inner bottom wall of the stirring tank (1), and the drive motor (72) is fixedly mounted on the bottom of the stirring tank (1); the stirring shaft (71) is provided with multiple rows of stirring rods (711), each row having multiple stirring rods (711) arranged at equal intervals, and the stirring rods (711) are inclined.

5. The drilling additive mixing and adjusting device according to claim 4, characterized in that: The stirring shaft (71) is also provided with a scraper (712) that slides in contact with the inner wall of the stirring tank (1). The upper and lower ends of the scraper (712) are provided with connecting rods (713) that are connected to the stirring shaft (71). There are multiple scrapers (712), which correspond to multiple rows of stirring rods (711). The outer ends of the stirring rods (711) are connected to the scrapers (712).

6. The drilling additive mixing and adjusting device according to claim 1, characterized in that: The sealing cap (2) and the mixing tank (1) are detachably connected by bolts (8).

7. The drilling additive mixing and adjusting device according to claim 1, characterized in that: The sleeve (21) has an inlet pipe (212) for adding drilling fluid on its side wall; the bottom of the mixing tank (1) is provided with a drain pipe (11); and the outer side wall of the mixing tank (1) is also provided with a support foot (12).

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