Oil field water injection well descaling device with protective structure

Abstract

The utility model discloses an oil field water injection well descaling device with a protective structure, which comprises a water injection well main body and a heating box, the heating box is arranged in the water injection well main body, a steel rope is sleeved on the outer side of a rotary drum, and the steel rope is connected with the heating box. The water collecting cover is arranged, in the using process, the bottom of the spraying pipe extends into the water collecting cover, an external water source is hot water and enters the heating box through the water inlet pipe, and water flow can make full contact with the covering area of the heating block through the heating groove designed in an inclined mode. Furthermore, the water flow is diffused into the water collecting cover under the action of the spraying pipe and the spraying head, and the water flow can be guided to uniformly cover the inner wall of the water injection well main body under the action of the water collecting cover, so that the water flow with heat can soften part of dirt, and the water injection well main body can be prevented from being polluted. Therefore, the cleaning effect of the scraper is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of descaling devices, in particular to an oil field water injection well descaling device provided with a protective structure. Background Art

[0002] Oilfield water injection is the process of injecting water of the required quality from the water injection well into the oil layer using water injection equipment to maintain the oil layer pressure. The level of water injection well management technology determines the effect of oilfield development and the life of oilfield development. In the oilfield production process, the oil pipe scaling phenomenon is common in water injection wells. The descaling device can descale the inner wall of the oil pipe to ensure that the oil pipe can better transport the oil. However, there are still certain problems in the use of the existing descaling device;

[0003] Chinese patent authorization announcement number CN 214007117 U discloses a descaling device with a protective structure for oilfield water injection wells, including a base, a support column, a threaded rod, a mounting column and a support rod, the top of the base is fixedly connected to the support column, and a first motor is arranged on the upper left of the support column, the left side of the first motor is fixedly connected to the threaded rod, and a limit block is arranged on the left side of the threaded rod, a scraper is fixedly connected to one side of the support rod, and a collection box is arranged below the support rod, a water tank is arranged above the base, and a water pipe is fixedly connected to the right side of the water tank. The descaling device with a protective structure for oilfield water injection wells is provided with a first motor, a threaded rod, a rotating drum and a steel rope. During use, the threaded rod drives the rotating drum to rotate under the action of the first motor, and the steel rope can be reeled according to the descending demand under the action of the rotating drum, so as to avoid the inconvenience of using a long or too short steel rope, and the operation is simple and convenient. The above-mentioned existing technical solutions have the following shortcomings: the technical solution uses an external water source to assist in the descaling operation, but the temperature of the water flow has an impact on the treatment of dirt during use, and its treatment effect on dirt has a certain room for optimization. Therefore, it is necessary to design an oilfield water injection well descaling device with a protective structure to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide an oilfield water injection well descaling device provided with a protective structure to solve the problem of limited effect on the treatment of dirt proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oilfield water injection well descaling device provided with a protective structure, comprising a water injection well body and a heating box, wherein the heating box is arranged inside the water injection well body;

[0006] The top of the water injection well body is connected with a fixing frame, and a rotating drum is connected between the fixing frames. A driving motor is arranged on one side of the fixing frame, and the driving motor is connected to the rotating drum. A steel rope is sleeved on the outer side of the rotating drum, and the steel rope is connected to the heating box.

[0007] A heating groove is provided inside the heating box, and heating blocks are arranged inside the heating boxes below the heating groove. Spray pipes are evenly arranged at the bottom end of the heating box, and the spray pipes are connected with the heating groove. Spray heads are arranged on the outside of the spray pipes, and the spray pipes are connected through connecting pipes. A motor box is fixed to the bottom end of the heating box, and a motor body is arranged inside the motor box. A rotating shaft is connected to the bottom end of the motor box, and mounting rods are evenly connected to the outside of the rotating shaft. Scrapers are fixed to the outside of the mounting rods. A water collecting hood is fixed to the outside of the motor box, and guide grooves are evenly arranged inside the water collecting hood. A water inlet pipe is connected to the top of the heating box.

[0008] Preferably, a connecting frame is evenly fixed on the outer side of the heating box, and a connecting seat is evenly fixed on the outer side of the connecting frame, a connecting rod is arranged inside the connecting seat, and a guide wheel is arranged on the outer side of the connecting rod.

[0009] Preferably, four groups of guide wheels are provided, and the guide wheels are arranged in a cross shape on the outside of the heating box.

[0010] Preferably, the connecting pipe is arranged in a ring shape, and the spray pipes are arranged in an equivalent manner on the outside of the connecting pipe.

[0011] Preferably, the spray head is designed to be inclined upward.

[0012] Preferably, the cross-section of the scraper is designed to be inwardly reduced, and four groups of scrapers are provided.

[0013] Preferably, the cross-section of the guide grooves is semicircular, and the guide grooves are arranged in a ring shape on the inner side of the water collecting cover.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the oil field water injection well descaling device provided with a protective structure realizes the function of facilitating descaling;

[0015] By providing a water collecting cover, the bottom of the spray pipe extends to the inside of the water collecting cover during use. The external water source is hot water and enters the heating box through the water inlet pipe. The water flow can fully contact the coverage area of ​​the heating block through the inclined heating groove, thereby ensuring that the heat of the water flow will not be excessively lost during the transportation process. The further water flow is diffused into the water collecting cover through the spray pipe and the spray head. The water flow can be guided to evenly cover the inner wall of the water injection well body through the water collecting cover, so that the water flow with heat can soften some dirt, thereby facilitating the cleaning effect of the scraper.

[0016] By providing a guide wheel, it is distributed in a cross shape on the outside of the heating box through the action of the connecting frame, the connecting seat and the connecting rod during use, so that the guide wheel can contact the inner wall of the water injection well from multiple directions, thereby reducing the shaking of the device during operation and improving the protection effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments 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 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the water collecting cover of the utility model;

[0020] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0021] Figure 4 This is a schematic diagram of the top view structure of the installation rod of the utility model;

[0022] Figure 5 It is a bottom view structural diagram of the connecting pipe of the utility model.

[0023] Explanation of the reference numerals in the figure: 1. fixed frame; 2. rotating drum; 3. water inlet pipe; 4. steel rope; 5. connecting frame; 6. water collecting cover; 7. scraper; 8. mounting rod; 9. rotating shaft; 10. water injection well body; 11. motor box; 12. motor body; 13. heating tank; 14. heating block; 15. guide wheel; 16. connecting rod; 17. connecting seat; 18. guide groove; 19. connecting pipe; 20. spray pipe; 21. spray head; 22. heating box; 23. driving motor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment 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.

[0025] See also Figure 1-Figure 5 , the utility model provides an embodiment: an oil field water injection well descaling device with a protective structure, comprising a water injection well body 10 and a heating box 22;

[0026] The outside of the heating box 22 is evenly fixed with a connecting frame 5, and the outside of the connecting frame 5 is fixed with a connecting seat 17, the inside of the connecting seat 17 is provided with a connecting rod 16, and the outside of the connecting rod 16 is provided with a guide wheel 15, and four groups of guide wheels 15 are arranged in a cross shape on the outside of the heating box 22;

[0027] Specifically, Figure 1 As shown, when in use, the guide wheel 15 is provided, which is distributed in a cross shape outside the heating box 22 through the action of the connecting frame 5, the connecting seat 17 and the connecting rod 16, so that the guide wheel 15 can contact the inner wall of the water injection well from multiple directions, thereby reducing the shaking of the device during operation and improving the protection effect of the device;

[0028] The heating box 22 is arranged inside the water injection well body 10, the top of the water injection well body 10 is connected with a fixing frame 1, and a rotating drum 2 is connected between the fixing frames 1, a driving motor 23 is arranged on one side of the fixing frame 1, and the driving motor 23 is connected to the rotating drum 2, a steel rope 4 is sleeved on the outer side of the rotating drum 2, and the steel rope 4 is connected to the heating box 22, a heating tank 13 is opened inside the heating box 22, and a heating block 14 is arranged inside the heating box 22 below the heating tank 13, and spray pipes 20 are evenly arranged at the bottom end of the heating box 22, and the spray pipes 20 are connected to the heating tank 13, and spray heads 21 are arranged on the outer sides of the spray pipes 20, and the spray pipes 20 are connected through the connecting pipe 19;

[0029] The connection pipe 19 is arranged in a ring shape, the spray pipes 20 are arranged in an equivalent manner on the outside of the connection pipe 19, and the spray head 21 is designed to be inclined upward;

[0030] Specifically, Figure 5 As shown, when in use, the connection pipe 19 is arranged in a ring shape, and the spray pipes 20 are arranged and distributed in an equivalent manner on the outside of the connection pipe 19, which can expand the spray range and improve the softening effect;

[0031] A motor box 11 is fixed to the bottom end of the heating box 22, and a motor body 12 is arranged inside the motor box 11. A rotating shaft 9 is connected to the bottom end of the motor box 11, and mounting rods 8 are evenly connected to the outside of the rotating shaft 9. Scrapers 7 are fixed to the outside of the mounting rods 8.

[0032] The cross section of the scraper 7 is designed to be inwardly reduced, and the scraper 7 is provided in four groups;

[0033] Specifically, Figure 4As shown, when in use, the cross-section of the scraper 7 is designed to be inwardly reduced, so that the cleaning effect of the outer end on the outer wall can be more concentrated and better;

[0034] A water collecting cover 6 is fixed to the outside of the motor box 11, and guide grooves 18 are evenly arranged inside the water collecting cover 6;

[0035] The cross-section of the guide grooves 18 is semicircular, and the guide grooves 18 are arranged in a ring shape on the inner side of the water collecting cover 6;

[0036] Specifically, Figure 2 As shown, when in use, the guide groove 18 can guide the water flow;

[0037] The top of the heating box 22 is connected with a water inlet pipe 3 .

[0038] Working principle: When the utility model is in use, the device is moved to the top of the water injection well body 10, and the driving motor 23 is started to drive the rotating drum 2 to rotate so as to lift and lower the steel rope 4. The guide wheels 15 below are distributed in a cross shape on the outside of the heating box 22, and can contact the inner wall of the water injection well from multiple directions, thereby reducing the shaking of the device during operation. During the cleaning process, the bottom of the spray pipe 20 extends to the inside of the water collecting cover 6, and the external water source is hot water and enters the heating box 22 through the water inlet pipe 3. The water flow can fully contact the coverage area of ​​the heating block 14 through the inclined heating groove 13, thereby ensuring that the heat of the water flow will not be excessively dissipated during the transportation process. Further water flow is diffused into the water collecting cover 6 through the action of the spray pipe 20 and the spray head 21. The water flow can be guided to evenly cover the inner wall of the water injection well body 10 through the action of the water collecting cover 6, so that the water flow with heat can soften some dirt, and the motor body 12 is started to facilitate the rotation of the scraper 7 for cleaning.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A descaling device for an oil field water injection well provided with a protective structure, comprising a water injection well body (10) and a heating box (22), wherein the heating box (22) is arranged inside the water injection well body (10); Features: The top of the water injection well body (10) is connected to a fixing frame (1), and a rotating drum (2) is connected between the fixing frames (1); a driving motor (23) is provided on one side of the fixing frame (1), and the driving motor (23) is connected to the rotating drum (2); a steel rope (4) is sleeved on the outer side of the rotating drum (2), and the steel rope (4) is connected to a heating box (22); The heating box (22) has a heating groove (13) disposed inside, and a heating block (14) is disposed inside the heating box (22) below the heating groove (13). Spray pipes (20) are evenly disposed at the bottom of the heating box (22), and the spray pipes (20) are connected to the heating groove (13). Spray heads (21) are disposed on the outside of the spray pipes (20). The spray pipes (20) are connected to each other via a connecting pipe (19). The bottom of the heating box (22) A motor box (11) is fixed thereto, and a motor body (12) is arranged inside the motor box (11); a rotating shaft (9) is connected to the bottom end of the motor box (11), and a mounting rod (8) is evenly connected to the outside of the rotating shaft (9); a scraper (7) is fixed to the outside of the mounting rod (8); a water collecting cover (6) is fixed to the outside of the motor box (11), and guide grooves (18) are evenly arranged inside the water collecting cover (6); and a water inlet pipe (3) is connected to the top end of the heating box (22).

2. The oilfield water injection well descaling device with a protective structure according to claim 1, characterized in that: The outside of the heating box (22) is evenly fixed with a connecting frame (5), and the outside of the connecting frame (5) is evenly fixed with a connecting seat (17), the inside of the connecting seat (17) is provided with a connecting rod (16), and the outside of the connecting rod (16) is provided with a guide wheel (15).

3. The oilfield water injection well descaling device with a protective structure according to claim 2, characterized in that: Four groups of guide wheels (15) are provided, and the guide wheels (15) are arranged in a cross shape on the outside of the heating box (22).

4. The oilfield water injection well descaling device with a protective structure according to claim 1, characterized in that: The connection pipe (19) is arranged in a ring shape, and the spray pipes (20) are arranged and distributed in an equivalent manner on the outside of the connection pipe (19).

5. The oilfield water injection well descaling device with a protective structure according to claim 1, characterized in that: The spray head (21) is designed to be inclined upward.

6. The oilfield water injection well descaling device with a protective structure according to claim 1, characterized in that: The cross-section of the scraper (7) is designed to be inwardly reduced, and four groups of the scraper (7) are provided.

7. The oilfield water injection well descaling device with a protective structure according to claim 1, characterized in that: The cross-sections of the guide grooves (18) are all arranged in a semicircular shape, and the guide grooves (18) are arranged in a ring shape on the inner side of the water collecting cover (6).

Images