High-pressure water loss instrument refitted plugging test device

Abstract

The utility model discloses a high pressure water loss meter refitting plugging test device which comprises a slurry cylinder, the side surface of the slurry cylinder is in threaded connection with a plug, the side inner wall of the plug is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a bolt, the side surface of the bolt is in threaded connection with a nut, and the nut is fixedly connected with the upper surface of the supporting plate. The side surface of the bolt is movably connected with a seam plate, the side surface of the slurry cylinder is in threaded connection with a cover plate, the top inner wall of the cover plate is fixedly connected with a mounting ring, and the lower surface of the mounting ring is fixedly connected with a mounting plate. According to the structure, through cooperation of the mounting ring, the mounting plate, the telescopic rod, the connecting plate, the reinforcing plate and the scraping ring, when a filter cake is formed inside after a test is completed, the connecting plate, the reinforcing plate and the scraping ring are pushed out under the action of the telescopic rod to generate displacement, the filter cake is completely pushed out, manpower is reduced, and meanwhile the scraping ring can scrape objects attached to the inner wall of the slurry cylinder; and the inner wall is cleaned, and labor for manual cleaning in the later period is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of leak plugging testing, in particular to a leak plugging testing device for refitting a high-pressure water loss instrument. Background Art

[0002] The water loss of mud is the result of the pressure difference in the well causing some water to seep into the formation. This phenomenon is called the water loss performance or filtration characteristics of the mud.

[0003] With the development of science and technology, in order to solve the blindness of adjusting the formula indoors, it is usually necessary to simulate the strata and cracks, use the modified water loss meter to seal the cracks, and then analyze the feasibility of the formula based on the filter cake formed in the experiment. However, since steel balls of different sizes, sealing slurry and cement slurry will be poured into the barrel after the modification to form the filter cake, the periphery of the formed filter cake will adhere to the barrel wall, making it difficult to remove the filter cake manually, and the cement slurry attached to the barrel wall is inconvenient and laborious to clean. Utility Model Content

[0004] According to the high-pressure dehydration instrument modified plugging test device, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a high-pressure dehydration instrument modified plugging test device. Through the cooperation of the mounting ring, mounting plate, telescopic rod, connecting plate, reinforcing plate and scraping ring, when the test is completed and a filter cake is formed inside, the connecting plate, reinforcing plate and scraping ring are pushed out and displaced under the action of the telescopic rod, and the filter cake is completely pushed out, reducing the use of manpower. At the same time, the scraping ring can scrape off objects attached to the inner wall of the pulp barrel side, clean the inner wall, and reduce the use of labor for manual cleaning in the later stage.

[0005] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned slurry barrel, the interior of the slurry barrel is used to fill steel balls of different sizes, plugging slurry and cement slurry, etc., for testing the plugging effect indoors, the side surface of the slurry barrel is threadedly connected with a plug, the side inner wall of the plug is fixedly connected with a support plate, the upper surface of the support plate is fixedly connected with a bolt, the side surface of the bolt is threadedly connected with a nut, the bolt and the nut cooperate to make the seam plate detachable or installable, when the seam plate is damaged, it can be disassembled and replaced, increasing the service life of the device, the side surface of the bolt is movably connected with a seam plate, the seam plate blocks the steel balls, etc., to prevent them from directly sliding out of the device, so as to facilitate the formation of filter cakes;

[0006] The side surface of the pulp barrel is threadedly connected with a cover plate, the top inner wall of the cover plate is fixedly connected with a mounting ring, the lower surface of the mounting ring is fixedly connected with a mounting plate, the lower surface of the mounting plate is fixedly connected with a telescopic rod, the telescopic rod can adjust the height of the scraper ring, the connecting plate and the reinforcing plate by telescoping, the end of the telescopic rod away from the mounting plate is fixedly connected with a connecting plate, the side surface of the connecting plate is fixedly connected with a reinforcing plate, the connecting plate and the reinforcing plate increase the strength of the scraper ring, the side surface of the connecting plate is fixedly connected with a scraper ring, the connecting plate, the reinforcing plate and the scraper ring cooperate to push out the formed filter cake, thereby reducing the use of manpower and at the same time the scraper ring can scrape and clean the side inner wall of the pulp barrel, thereby increasing the practicability of the device.

[0007] According to the high-pressure dehydration instrument modified plugging test device, the side surface of the slurry barrel is provided with a thread groove, and the side surfaces of the plug and the cover plate are both provided with threads.

[0008] According to the high-pressure dehydration instrument modified leak plugging test device, the side surface of the seam plate is movably connected to the plug, and the lower surface of the nut is movably connected to the seam plate.

[0009] According to the high-pressure dehydration instrument modified leak testing device, the number of the reinforcing plates is two, and the side surface of the reinforcing plate is fixedly connected to the scraper ring.

[0010] According to the high-pressure dehydration instrument modified leak testing device, the telescopic rod is electrically connected to the external power supply, and the side surface of the scraper ring is movably connected to the pulp drum.

[0011] According to the high-pressure dehydration instrument modified plugging test device, a connecting pipe is provided on the upper surface of the cover plate, and the connecting pipe is used to connect to an external air source. A liquid adding pipe is fixedly connected to the upper surface of the cover plate for adding plugging liquid or cement slurry.

[0012] According to the high-pressure dehydration instrument modified leak testing device, a solenoid valve is provided inside the liquid adding pipe, and the solenoid valve is electrically connected to an external power supply.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a plugging and testing device for modifying a high-pressure water loss instrument according to the utility model;

[0016] Figure 2 It is a cross-sectional view of a plugging test device modified into a high-pressure water loss instrument of the utility model;

[0017] Figure 3 This is a partial structural diagram of a plugging test device for modifying a high-pressure water loss instrument of the utility model;

[0018] Figure 4 This is another part of the structural schematic diagram of the utility model of the high-pressure water loss instrument modified leakage testing device.

[0019] Legend:

[0020] 1. Pulp barrel; 2. Plug; 3. Support plate; 4. Bolt; 5. Nut; 6. Seam plate; 7. Cover plate; 8. Connecting pipe; 9. Liquid adding pipe; 10. Mounting ring; 11. Mounting plate; 12. Telescopic rod; 13. Connecting plate; 14. Reinforcement plate; 15. Scraper ring. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment of the high-pressure water loss instrument modified plugging test device comprises a slurry tube 1, the interior of the slurry tube 1 is used to fill steel balls of different sizes, plugging slurry and cement slurry, etc., and is used to test the plugging effect indoors. The side surface of the slurry tube 1 is threadedly connected with a plug 2, and the side inner wall of the plug 2 is fixedly connected with a support plate 3, the upper surface of the support plate 3 is fixedly connected with a bolt 4, and the side surface of the bolt 4 is threadedly connected with a nut 5, the side surface of the seam plate 6 is movably connected with the plug 2, and the lower surface of the nut 5 is movably connected with the seam plate 6, and the bolt 4 is connected with the nut 5. The nut 5 cooperates to make the seam plate 6 removable or installable. When the seam plate 6 is damaged, it can be removed and replaced to increase the service life of the device. The side surface of the bolt 4 is movably connected with the seam plate 6. The seam plate 6 blocks the steel balls and the like to prevent them from directly sliding out of the device, which is convenient for forming a filter cake. The upper surface of the cover plate 7 is provided with a connecting pipe 8, which is used to connect to an external air source. The upper surface of the cover plate 7 is fixedly connected with a liquid adding pipe 9 for adding plugging liquid or cement slurry. An electromagnetic valve is provided inside the liquid adding pipe 9, and the electromagnetic valve is electrically connected to an external power supply.

[0023] The side surface of the pulp barrel 1 is threadedly connected with a cover plate 7, the side surface of the pulp barrel 1 is provided with a thread groove, the side surfaces of the plug 2 and the cover plate 7 are both provided with threads, the top inner wall of the cover plate 7 is fixedly connected with a mounting ring 10, the lower surface of the mounting ring 10 is fixedly connected with a mounting plate 11, the lower surface of the mounting plate 11 is fixedly connected with a telescopic rod 12, the telescopic rod 12 can adjust the height of the scraper ring 15, the connecting plate 13 and the reinforcing plate 14 by telescoping, the end of the telescopic rod 12 away from the mounting plate 11 is fixedly connected with the connecting plate 13, and the side surface of the connecting plate 13 is fixedly connected with the mounting plate 11. A reinforcing plate 14 is connected, and the connecting plate 13 and the reinforcing plate 14 increase the strength of the scraper ring 15. The side surface of the connecting plate 13 is fixedly connected with the scraper ring 15. There are two reinforcing plates 14. The side surface of the reinforcing plate 14 is fixedly connected to the scraper ring 15. The telescopic rod 12 is electrically connected to an external power supply. The side surface of the scraper ring 15 is movably connected to the pulp barrel 1. The connecting plate 13, the reinforcing plate 14 and the scraper ring 15 cooperate to push out the formed filter cake, reducing the use of manpower. At the same time, the scraper ring 15 can scrape and clean the side inner wall of the pulp barrel 1, thereby increasing the practicability of the device.

[0024] Working principle: Use bolts 4 and nuts 5 to install the seam plate 6 in the plug 2, screw the plug 2 onto the slurry tube 1, pour steel balls and plugging slurry of different sizes into the slurry tube 1 in turn after installation, screw on the cover plate 7, connect the air source through the connecting pipe 8, pour cement slurry through the liquid adding pipe 9, and when the experiment is completed and the filter cake is formed inside, unscrew the plug 2, start the telescopic rod 12 to displace the connecting plate 13, the reinforcing plate 14 and the scraper ring 15, and at the same time as the formed filter cake is pushed out, the side inner wall of the slurry tube 1 is scraped and cleaned.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. The high-pressure water loss instrument is modified into a leak testing device, which is characterized by: include: A pulp barrel (1), wherein a plug (2) is threadedly connected to the side surface of the pulp barrel (1), a support plate (3) is fixedly connected to the side inner wall of the plug (2), a bolt (4) is fixedly connected to the upper surface of the support plate (3), a nut (5) is threadedly connected to the side surface of the bolt (4), and a seam plate (6) is movably connected to the side surface of the bolt (4); The side surface of the pulp barrel (1) is threadedly connected to a cover plate (7), the top inner wall of the cover plate (7) is fixedly connected to a mounting ring (10), the lower surface of the mounting ring (10) is fixedly connected to a mounting plate (11), the lower surface of the mounting plate (11) is fixedly connected to a telescopic rod (12), the end of the telescopic rod (12) away from the mounting plate (11) is fixedly connected to a connecting plate (13), the side surface of the connecting plate (13) is fixedly connected to a reinforcing plate (14), and the side surface of the connecting plate (13) is fixedly connected to a scraper ring (15).

2. The high-pressure dehydration instrument modified leak testing device according to claim 1 is characterized in that: The side surface of the pulp barrel (1) is provided with a thread groove, and the side surfaces of the plug (2) and the cover plate (7) are both provided with threads.

3. The high-pressure dehydration instrument modification and plugging test device according to claim 1 is characterized in that: The side surface of the seam plate (6) is movably connected to the plug (2), and the lower surface of the nut (5) is movably connected to the seam plate (6).

4. The high-pressure dehydration instrument modification and plugging test device according to claim 1 is characterized in that: The number of the reinforcing plates (14) is two, and the side surfaces of the reinforcing plates (14) are fixedly connected to the scraper ring (15).

5. The high-pressure dehydration instrument modification and plugging test device according to claim 1 is characterized in that: The telescopic rod (12) is electrically connected to an external power source, and the side surface of the scraper ring (15) is movably connected to the pulp cylinder (1).

6. The high-pressure dehydration instrument modification and plugging test device according to claim 1 is characterized in that: A connecting pipe (8) is provided on the upper surface of the cover plate (7), and a liquid adding pipe (9) is fixedly connected to the upper surface of the cover plate (7).

7. The high-pressure dehydration instrument modified leak testing device according to claim 6 is characterized in that: The liquid adding pipe (9) is provided with an electromagnetic valve inside, and the electromagnetic valve is electrically connected to an external power source.

Images