Pressurizing water injection device for oil field

Abstract

The utility model relates to the technical field of oil field pressurization, and provides an oil field pressurization water injection device which comprises a water injection tank, a limiting groove is formed in the top of the water injection tank, a limiting ring is connected to the limiting groove in a clamped mode, a water inlet is formed in the bottom of the limiting groove, and the bottom of the water inlet is communicated with the interior of the water injection tank. An impurity removal pipe is welded to the bottom of the limiting ring, an electromagnetic plate is arranged on the outer wall of the impurity removal pipe, an electromagnetic switch is arranged on the electromagnetic plate, and a filter screen is welded to the bottom of the impurity removal pipe; according to the oil field pressurization water injection device, a water source can enter the water injection tank through the water inlet, an electromagnetic plate can generate electromagnetic attraction force by turning on an electromagnetic switch, then metal impurities in water are adsorbed to the inner wall of the impurity removal pipe, and the effect of filtering non-metal impurities can be achieved through a filter screen and a filter cover when water flow penetrates through the impurity removal pipe; the elastic telescopic pipe can play a role in buffering water flow, so that the influence on the filtering effect of the filter casing due to overlarge impact force of the water flow is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of oil field pressure boosting, and in particular to an oil field pressure boosting water injection device. Background Art

[0002] In the same area, the main reservoir is called an oil field. Due to oil layer blockage, permeability decline or oil layer pressure recovery, the injection requirements cannot be met under the original injection pressure, or in order to start the injection of low permeability layers, boosted water injection can be carried out. In this process, a water injection device is required.

[0003] A Chinese patent discloses an oilfield boosting water injection device, with the publication number CN214660088U. The patent states that "it includes a bottom plate and a boosting pump, the top of the bottom plate is fixedly connected to a filter box, a support plate is arranged above the bottom plate, the four corners of the bottom end of the support plate are fixedly connected to pillars, the bottom end of each pillar is fixedly connected to the top of the bottom plate, the boosting pump is installed on the top of the support plate, the left end output end of the boosting pump is connected to a water inlet pipe, the right end of the water inlet pipe passes through the left side wall of the filter box and extends to the inside of the filter box." However, the filtering effect of the prior art is limited, and there are many kinds of impurities in the water, and it is difficult to remove the impurities in the water. Therefore, it is necessary to design an oilfield boosting water injection device. Utility Model Content

[0004] The utility model aims to provide an oilfield pressurized water injection device, which solves the problem in the related art that the filtering effect is limited during use, and there are many kinds of impurities in the water, making it difficult to clean the impurities in the water.

[0005] The technical solution of the utility model is as follows:

[0006] An oilfield booster water injection device comprises a water injection box, a limit groove is provided on the top of the water injection box, and a limit ring is clamped on the limit groove, a water inlet is provided at the bottom of the limit groove, and the bottom of the water inlet is connected to the interior of the water injection box, a debris removal pipe is welded to the bottom of the limit ring, and an electromagnetic plate is provided on the outer wall of the debris removal pipe, an electromagnetic switch is provided on the electromagnetic plate, a filter screen is welded to the bottom of the debris removal pipe, and an elastic telescopic tube is screwed to the bottom of the filter screen, and a filter cover is screwed to the bottom of the elastic telescopic tube, a partition is welded to the inside of the water injection box, and a plurality of sieve holes are provided on the partition, and the partition is located below the bottom of the filter cover.

[0007] Preferably, the outer wall of the water injection box is made of stainless steel, and the impurity removal pipe is made of magnetic metal material.

[0008] Preferably, a motor is screwed to the bottom end surface of the partition, and a transmission shaft is fixed to the output end of the motor. Two groups of filter frames are arranged on the transmission shaft, and the two groups of filter frames are distributed in a vertical direction.

[0009] Preferably, the two groups of filter frames are composed of three filter frames arranged equidistantly, and an activated carbon plate is provided in the center of the filter frame.

[0010] Preferably, magnetic suction grooves are provided on both sides of the limiting groove, magnetic suction plates are welded on both sides of the limiting ring, and the two magnetic suction plates are magnetically mounted inside the two magnetic suction grooves respectively.

[0011] Preferably, a pair of handles are welded to the top end surface of the limiting ring, a drain outlet is provided at the bottom of the water filling box, and a drain valve is provided on the drain outlet.

[0012] Preferably, a base is provided below the bottom of the water filling box, a pair of pneumatic lifting columns are provided on the bottom end surface of the water filling box, and the telescopic ends of the pneumatic lifting columns are welded and fixed to the top end surface of the base, and a plurality of anti-sliding blocks are equidistantly provided on the bottom end surface of the base.

[0013] Preferably, telescopic rods are screwed around the bottom of the water injection box, and cone heads are welded to the telescopic ends of the telescopic rods. First support plates are welded around the outer wall of the base, and the cone heads are welded and fixed to the first support plates.

[0014] Preferably, an observation port is provided on an outer wall at one end of the water filling box, and a pair of handles are welded to the outer walls at both ends of the water filling box.

[0015] Preferably, a second support plate is welded to an outer wall of one side of the water injection box, and a telescopic plate is inserted into one side of the second support plate, a water pump is provided on the telescopic plate, and a cleaning ring is provided at the bottom of the water pump, nozzles are provided on the inner walls on both sides of the cleaning ring, a scraper is welded on the cleaning ring, and a feeding port is opened at the bottom of the inner wall of the cleaning ring.

[0016] Beneficial effects of the utility model:

[0017] 1. Water can be allowed to enter the water filling tank through the water inlet. By turning on the electromagnetic switch, the electromagnetic plate can generate electromagnetic attraction, thereby adsorbing the metal impurities in the water onto the inner wall of the impurity removal pipe. The filter net and filter cover can be used to filter non-metallic impurities when the water flows through the impurity removal pipe. The elastic telescopic tube can buffer the water flow to avoid excessive impact of the water flow and affect the filtering effect of the filter cover.

[0018] 2. The filter frame can be driven to rotate by the motor and the transmission shaft, and the activated carbon plate can be used to absorb particulate debris in the water, which is beneficial to improve the filtering effect of the equipment. By passing the external water injection pipe through the cleaning ring and connecting the external water pipe to the water pump, the outer wall of the water injection pipe in the cleaning ring area can be flushed with the nozzle, and the flushed sewage can be discharged through the discharge port. When the water injection pipe is recovered, the scraper can scrape off the dirt on the outer wall of the water injection pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is an isometric view of the entire utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 It is the overall cross-sectional view a of the utility model;

[0023] Figure 4 This is the overall cross-sectional view b of the utility model;

[0024] In the figure: 1. water filling box; 2. limit groove; 3. limit ring; 4. water inlet; 5. debris removal pipe; 6. electromagnetic plate; 7. electromagnetic switch; 8. filter screen; 9. elastic telescopic tube; 10. filter cover; 11. partition; 12. sieve hole; 13. motor; 14. transmission shaft; 15. filter frame; 16. activated carbon plate; 17. magnetic suction groove; 18. magnetic suction plate; 19. handle; 20. drain outlet; 21. drain valve; 22. base; 23. pneumatic lifting column; 24. anti-sliding block; 25. telescopic rod; 26. cone head; 27. first support plate; 28. observation port; 29. ​​handle; 30. second support plate; 31. telescopic plate; 32. water guide pump; 33. cleaning ring; 34. nozzle; 35. scraper; 36. discharge port. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1-4As shown, this embodiment proposes an oilfield booster water injection device, including a water injection box 1, a limiting groove 2 is provided on the top of the water injection box 1, and a limiting ring 3 is clamped on the limiting groove 2, a water inlet 4 is provided at the bottom of the limiting groove 2, and the bottom of the water inlet 4 is connected to the inside of the water injection box 1, a debris removal pipe 5 is welded to the bottom of the limiting ring 3, and an electromagnetic plate 6 is provided on the outer wall of the debris removal pipe 5, and an electromagnetic switch 7 is provided on the electromagnetic plate 6, a filter screen 8 is welded to the bottom of the debris removal pipe 5, and an elastic telescopic tube 9 is screwed to the bottom of the filter screen 8, and a filter cover 10 is screwed to the bottom of the elastic telescopic tube 9, a partition 11 is welded inside the water injection box 1, and a plurality of sieve holes 12 are provided on the partition 11, and the partition 11 is located below the bottom of the filter cover 10, and the outer wall of the water injection box 1 is made of stainless steel material, which can be The strength of the outer wall of the water injection box 1 is improved to prevent the water injection box 1 from being damaged after being hit. The impurity removal pipe 5 is made of magnetic metal material. The bottom end face of the partition 11 is screwed with a motor 13, and the output end of the motor 13 is fixed with a transmission shaft 14. Two groups of filter frames 15 are arranged on the transmission shaft 14, and the two groups of filter frames 15 are arranged in a vertical direction. The filter frames 15 can be driven to rotate by the motor 13 and the transmission shaft 14. The two groups of filter frames 15 are composed of three filter frames 15 arranged equidistantly. An activated carbon plate 16 is arranged in the center of the filter frame 15. The activated carbon plate 16 can absorb particulate debris in the water. Magnetic suction grooves 17 are provided on both sides of the limit groove 2, and magnetic suction plates 18 are welded on both sides of the limit ring 3. The two magnetic suction plates 18 are magnetically mounted on the two magnetic suction grooves respectively. The inside of 17 is magnetically connected by the magnetic groove 17 and the magnetic plate 18, which can increase the tightness of the connection between the limit ring 3 and the limit groove 2 to avoid the phenomenon of slipping out. A pair of handles 19 are welded on the top end face of the limit ring 3. A drain port 20 is provided at the bottom of the water injection box 1, and a drain valve 21 is provided on the drain port 20. The handle 19 can be used to pull the magnetic plate 18 upward to separate the limit ring 3 from the limit groove 2. The water in the water injection box 1 can be pumped out through the drain port 20 and the drain valve 21. The drain valve 21 is connected to an external water injection pipe to guide the water flow into the oil field to achieve a pressurization effect. A base 22 is provided under the bottom of the water injection box 1, and a pair of pneumatic lifting columns 23 are provided on the bottom end face of the water injection box 1, and the telescopic The end is welded and fixed to the top end face of the base 22, and a plurality of anti-sliding blocks 24 are equidistantly arranged on the bottom end face of the base 22. The distance between the base 22 and the water injection tank 1 can be adjusted by a pneumatic lifting column 23. The anti-sliding block 24 can increase the anti-slip property of the base 22. Telescopic rods 25 are screwed around the bottom of the water injection tank 1, and a cone head 26 is welded to the telescopic end of the telescopic rod 25. A first support plate 27 is welded around the outer wall of the base 22, and the cone head 26 is welded and fixed to the first support plate 27. The cone head 26 can be inserted into the ground to achieve the reinforcement and limiting effect of the base 22. An observation port 28 is arranged on the outer wall of one end of the water injection tank 1. The water volume inside the water injection tank 1 can be observed by using the observation port 28. A pair of handles 29 are welded to the outer walls of both ends of the water injection tank 1.The handle 29 can facilitate the staff to carry the water injection box 1. A second support plate 30 is welded to the outer wall of one side of the water injection box 1, and a telescopic plate 31 is inserted on one side of the second support plate 30. A water pump 32 is arranged on the telescopic plate 31, and a cleaning ring 33 is arranged at the bottom of the water pump 32. Nozzles 34 are arranged on the inner walls of both sides of the cleaning ring 33. A scraper 35 is welded on the cleaning ring 33. A discharge port 36 is opened at the bottom of the inner wall of the cleaning ring 33. By passing an external water injection pipe through the cleaning ring 33 and connecting the external water pipe to the water pump 32, the nozzle 34 can be used to flush the outer wall of the water injection pipe in the area of ​​the cleaning ring 33. The flushed sewage can be discharged through the discharge port 36. When the water injection pipe is recovered, the scraper 35 can scrape off the dirt on the outer wall of the water injection pipe.

[0027] In the present embodiment, when in use, the limiting ring 3 is stuck in the limiting groove 2, so that the impurity removal pipe 5 can be placed in the water filling box 1, and the water source can be allowed to enter the water filling box 1 through the water inlet 4. By turning on the electromagnetic switch 7, the electromagnetic plate 6 can generate electromagnetic attraction, and then the metal impurities in the water can be adsorbed to the inner wall of the impurity removal pipe 5. The filter screen 8 and the filter cover 10 can be used to filter non-metallic impurities when the water flows through the impurity removal pipe 5. The elastic telescopic tube 9 can buffer the water flow. The filter frame 15 can be driven to rotate by the motor 13 and the transmission shaft 14. The activated carbon plate 16 can absorb and remove particulate impurities in the water. The magnetic connection between the magnetic groove 17 and the magnetic plate 18 can increase the tightness of the connection between the limiting ring 3 and the limiting groove 2 to avoid the phenomenon of falling out. The handle 19 can be used to pull the magnetic plate 18 upwards, and then the limiting ring 3 can be separated from the limiting groove 2. The drain outlet 20 and the drain valve 21 can pump out the water in the water injection tank 1. The drain valve 21 is connected to an external water injection pipe to guide the water flow into the oil field to achieve a pressurization effect. The pneumatic lifting column 23 can adjust the distance between the base 22 and the water injection tank 1. The anti-slip block 24 can increase the anti-slip property of the base 22. The cone head 26 can be inserted into the ground to achieve a reinforcement and limiting effect on the base 22. The observation port 28 can be used to observe the water volume inside the water injection tank 1. The handle 29 can facilitate the staff to carry the water injection tank 1. By passing the external water injection pipe through the cleaning ring 33 and connecting the external water supply pipe to the water pump 32, the nozzle 34 can be used to flush the outer wall of the water injection pipe in the cleaning ring 33 area, and the flushed sewage can be discharged through the discharge port 36. When the water injection pipe is recovered, the scraper 35 can scrape off the dirt on the outer wall of the water injection pipe.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An oilfield booster water injection device, comprising a water injection box (1), characterized in that: The top of the water injection box (1) is provided with a limit groove (2), and a limit ring (3) is clamped on the limit groove (2); the bottom of the limit groove (2) is provided with a water inlet (4), and the bottom of the water inlet (4) is connected to the inside of the water injection box (1); the bottom of the limit ring (3) is welded with a debris removal pipe (5), and the outer wall of the debris removal pipe (5) is provided with an electromagnetic plate (6), and the electromagnetic plate (6) is provided with an electromagnetic switch (7); the bottom of the debris removal pipe (5) is welded with a filter screen (8), and the bottom of the filter screen (8) is screwed with an elastic telescopic tube (9), and the bottom of the elastic telescopic tube (9) is screwed with a filter cover (10); the inside of the water injection box (1) is welded with a partition (11), and the partition (11) is provided with a plurality of sieve holes (12), and the partition (11) is located below the bottom of the filter cover (10).

2. The oilfield boosting water injection device according to claim 1, characterized in that: The outer wall of the water injection box (1) is made of stainless steel material, and the impurity removal pipe (5) is made of magnetic conductive metal material.

3. The oilfield boosting water injection device according to claim 1, characterized in that: A motor (13) is screwed to the bottom end surface of the partition (11), and a transmission shaft (14) is fixed to the output end of the motor (13). Two groups of filter frames (15) are arranged on the transmission shaft (14), and the two groups of filter frames (15) are distributed and arranged in a vertical direction.

4. The oilfield pressurized water injection device according to claim 3, characterized in that: The two groups of filter frames (15) are each composed of three filter frames (15) arranged at equal distances, and an activated carbon plate (16) is provided in the center of the filter frame (15).

5. The oilfield pressurized water injection device according to claim 1, characterized in that: Magnetic attraction grooves (17) are provided on both sides of the limiting groove (2), magnetic attraction plates (18) are welded on both sides of the limiting ring (3), and the two magnetic attraction plates (18) are magnetically mounted inside the two magnetic attraction grooves (17) respectively.

6. The oilfield pressurized water injection device according to claim 1, characterized in that: A pair of handles (19) are welded to the top end surface of the limiting ring (3), a drainage port (20) is provided at the bottom of the water injection box (1), and a drainage valve (21) is provided on the drainage port (20).

7. The oilfield pressurized water injection device according to claim 1, characterized in that: A base (22) is provided below the bottom of the water filling box (1), a pair of pneumatic lifting columns (23) are provided on the bottom end surface of the water filling box (1), and the telescopic ends of the pneumatic lifting columns (23) are welded and fixed to the top end surface of the base (22), and a plurality of anti-sliding blocks (24) are equidistantly provided on the bottom end surface of the base (22).

8. The oilfield pressurized water injection device according to claim 7, characterized in that: The bottom of the water injection box (1) is screwed with telescopic rods (25) all around, and the telescopic end of the telescopic rod (25) is welded with a cone head (26). The outer wall of the base (22) is welded with a first support plate (27) all around, and the cone head (26) is welded and fixed to the first support plate (27).

9. The oilfield pressurized water injection device according to claim 1, characterized in that: An observation port (28) is provided on the outer wall at one end of the water filling box (1), and a pair of handles (29) are welded to the outer walls at both ends of the water filling box (1).

10. The oilfield boosting water injection device according to claim 1, characterized in that: A second support plate (30) is welded to an outer wall of one side of the water injection box (1), and a telescopic plate (31) is inserted into one side of the second support plate (30), a water pump (32) is provided on the telescopic plate (31), and a cleaning ring (33) is provided at the bottom of the water pump (32), nozzles (34) are provided on the inner walls of both sides of the cleaning ring (33), a scraper (35) is welded to the cleaning ring (33), and a feeding port (36) is provided at the bottom of the inner wall of the cleaning ring (33).

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