Flushing descaling device for efficient producing well

Abstract

The utility model relates to the technical field of scale borers for producing wells, and discloses a high-efficiency flushing scale borer for a producing well, which comprises a cover plate mounted at the top end of a producing well pipe. A rotary spray head is arranged below the cover plate, a plurality of groups of conveying rods are fixed at the top end of the rotary spray head, a threaded column is fixed at one end of each group of conveying rods, and a threaded groove matched with the threaded column is formed in the other end of each group of conveying rods; according to the efficient flushing descaling device for the oil producing well, the conveying rod capable of being spliced can be flexibly adjusted according to the specific length of a well casing to adapt to well casings with different depths, compared with a long reciprocating lead screw, manufacturing and machining of the long well casing are easier, the manufacturing cost is low, the using effect of the device is improved, and practicability is high. By combining chemical and physical methods, the descaling efficiency can be improved, scale on the inner wall of the pipeline can be thoroughly removed, and compared with a single mechanical cleaning method, the combined mode has small damage to the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil well scale remover technical field, concretely is a kind of high-efficiency oil well flushing scale remover. BACKGROUND

[0002] With the rapid development of petroleum industry, efficient oil production technology has become the key to improve oil well production and reduce production cost. In the oil production process, various dirt such as scale layer, wax and sand particles often accumulate in oil well shaft and ground equipment. The accumulation of these dirt can cause oil well production to decrease, equipment to be damaged and production efficiency to be reduced. Therefore, it has important practical value to research and develop a high-efficiency oil well flushing scale remover.

[0003] According to the search, the disclosure (announcement) No. CN220469873U discloses a kind of high-efficiency oil well flushing scale remover, and this technology discloses "including pipe body, the pipe body top is equipped with protective cover, the pipe body inside is equipped with reciprocating screw rod, the reciprocating screw rod outside is equipped with adjusting assembly;The adjusting assembly includes the mobile rod outside the reciprocating screw rod, and has the technical effects such as can be suitable for the pipe body of multiple sizes, facilitate scale removal to pipe body";

[0004] The above design can be suitable for the pipe body of multiple sizes, facilitate scale removal to pipe body when using, but reciprocating screw rod drives scale removal mechanism to move, and scale removal effect is carried out, and it is long for oil well pipe, with the increase of length, the mechanical strength and bending resistance of reciprocating screw rod can decrease, deformation or fracture can occur in operation, and the manufacturing and processing difficulty of long reciprocating screw rod is greater, there can be length limit, cannot adapt to this driving mode, reduce the use effect of device, and the scale removal mode of machinery can cause abrasion to pipeline, shorten the service life of pipeline, so we propose a kind of high-efficiency oil well flushing scale remover to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of high-efficiency oil well flushing scale remover, solve the reciprocating screw rod driving scale removal mechanism to move, and scale removal effect is carried out, and it is long for oil well pipe, with the increase of length, the mechanical strength and bending resistance of reciprocating screw rod can decrease, deformation or fracture can occur in operation, and the manufacturing and processing difficulty of long reciprocating screw rod is greater, there can be length limit, cannot adapt to this driving mode, reduce the use effect of device, and the scale removal mode of machinery can cause abrasion to pipeline, shorten the service life of pipeline problem.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of high-efficiency oil well flushing scale remover, including the cover plate of installation in the top end of oil well pipe;

[0007] The rotating spray head is provided below the cover plate, the top end of the rotating spray head is fixed with a conveying rod, the conveying rod is provided in multiple groups, one end of each group of the conveying rod is fixed with a threaded column, and the other end of the threaded column is provided with a threaded groove matched with the threaded column;

[0008] One side of the cover plate is provided with a box body, the inside of the box body is fixed with a partition plate, the box body is divided into a chamber one filled with water and a chamber two filled with chemical agents through the partition plate;

[0009] One side of the box body is respectively provided with a first water pump and a second water pump, the output end of the first water pump is fixed with a conveying main pipe, and the output end of the second water pump is fixed with a connecting pipe;

[0010] The cover plate is provided with a locking mechanism for locking the position of the conveying rod.

[0011] Preferably, the input ends of the first water pump and the second water pump are fixed and communicated with the chamber one and the chamber two respectively, the inside of the connecting pipe and the inside of the conveying main pipe close to the first water pump are both fixedly provided with a control valve, the connecting pipe and the conveying main pipe are fixed and communicated, and the other end of the conveying main pipe is fixedly connected with the input end of the rotating spray head.

[0012] Preferably, the cover plate is provided with a through hole matched with the conveying main pipe, and the cover plate is provided with a sliding hole matched with the conveying rod, and the conveying rod and the cover plate are slidingly connected through the sliding hole.

[0013] Preferably, the locking mechanism comprises a fixed plate fixed on the upper surface of the cover plate and a pressing plate provided on one side of the fixed plate.

[0014] One side of the pressing plate is rotatably connected with a threaded rod through a bearing, the fixed plate is threadedly connected with the threaded rod through a threaded hole, and one side of the cover plate close to the conveying rod is fixed with an abutting plate.

[0015] Preferably, one side of the fixed plate is fixed with a limiting plate, the outer surface of the pressing plate is provided with a moving groove matched with the limiting plate, and the pressing plate and the limiting plate are slidingly connected through the moving groove.

[0016] Preferably, the abutting plate is provided with an anti-falling limiting mechanism for limiting the conveying rod, the anti-falling limiting mechanism comprises a lock block sliding in the abutting plate, a pull rod fixed on one side of the lock block and a spring wound on the surface of the pull rod, the surface of the conveying rod is provided with a limiting groove matched with the lock block, and the conveying rod and the lock block are slidingly connected through the limiting groove.

[0017] Preferably, one side of the abutment plate is provided with a rectangular slot matched with the lock block, the lock block and the abutment plate are slidably connected through the rectangular slot, the abutment plate is internally provided with a circular hole matched with the pull rod, the pull rod and the abutment plate are slidably connected through the circular hole, and the two ends of the spring are fixedly connected with the pull rod and the abutment plate respectively.

[0018] Advantages

[0019] The utility model provides a kind of high-efficiency oil well flushing scale removers.Compared with prior art, it has the following advantages:

[0020] The high-efficiency oil well flushing scale remover can flexibly adjust the specific length of the well pipe according to the jointed conveying rod, adapt to well pipes of different depths, and is simpler to manufacture and process than the longer reciprocating screw rod for longer well pipes, has low manufacturing cost, improves the use effect of the device, improves the scale removal efficiency in combination with chemical and physical methods, can more thoroughly remove scale from the inner wall of the pipeline, has less damage to the pipeline than single mechanical cleaning method, and improves the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a top view of the overall structure of the utility model;

[0023] Figure 3 It is a partial view of the overall structure of the utility model;

[0024] Figure 4 It is a partial sectional view of the conveying rod structure of the utility model.

[0025] In the figure: 101, cover plate; 102, conveying rod; 103, threaded column; 104, threaded groove; 105, box body; 106, partition plate; 107, first water pump; 108, second water pump; 109, connecting pipe; 110, control valve; 111, conveying main pipe; 112, rotating spray head; 2, locking mechanism; 201, fixed plate; 202, threaded rod; 203, extrusion plate; 204, limiting plate; 205, abutment plate; 3, anti-falling limiting mechanism; 301, pull rod; 302, spring; 303, lock block; 304, limiting slot. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0027] As Figures 1-4 Indicated:

[0028] A kind of high-efficiency flushing descaler for oil well, including the cover plate 101 being installed at the top of oil well pipe;

[0029] Rotary nozzle 112 is arranged below cover plate 101, the top of rotary nozzle 112 is fixed with conveying rod 102, conveying rod 102 is provided with multiple groups, and one end of each group of conveying rod 102 is fixed with threaded column 103, and the other end is provided with threaded groove 104 matched with threaded column 103;

[0030] One side of cover plate 101 is provided with box 105, box 105 can be placed on ground, the inside of box 105 is fixed with baffle 106, box 105 can be divided into chamber one filled with water and chamber two filled with chemical reagent by baffle 106;

[0031] First water pump 107 and second water pump 108 are respectively arranged on one side of box 105, the output end of first water pump 107 is fixed with conveying main pipe 111, the output end of second water pump 108 is fixed with connecting pipe 109;

[0032] The input end of first water pump 107 and second water pump 108 is fixed and communicated with chamber one and chamber two respectively, control valve 110 is fixedly installed in the inside of connecting pipe 109 and the inside of conveying main pipe 111 close to one end of first water pump 107, connecting pipe 109 and conveying main pipe 111 are fixed and communicated, the other end of conveying main pipe 111 and the input end of rotary nozzle 112 are fixedly connected;

[0033] Through hole matched with conveying main pipe 111 is formed in cover plate 101, sliding hole matched with conveying rod 102 is formed in cover plate 101, conveying rod 102 and cover plate 101 are slidingly connected through the sliding hole;

[0034] Locking mechanism 2 for locking the position of conveying rod 102 is installed on cover plate 101;

[0035] Locking mechanism 2 includes fixed plate 201 fixed on the upper surface of cover plate 101 and extrusion plate 203 arranged on one side of fixed plate 201;

[0036] One side of the extrusion plate 203 is rotatably connected with a threaded rod 202 through a bearing, the fixed plate 201 is threadedly connected with the threaded rod 202 through a threaded hole, and the cover plate 101 is fixed with a contact plate 205 on the side close to the conveying rod 102.

[0037] One side of the fixed plate 201 is fixed with a limiting plate 204, and the outer surface of the extrusion plate 203 is provided with a moving groove matched with the limiting plate 204, and the extrusion plate 203 and the limiting plate 204 are slidably connected through the moving groove.

[0038] In the embodiment, the flushing and descaling device for the high-efficiency oil well is used, first, the control valve 110 on the conveying main pipe 111 is closed to block the end of the conveying main pipe 111 close to the first water pump 107, then the second water pump 108 is started to pump the chemical agent in the chamber two into the conveying main pipe 111 and then into the rotating spray head 112, the rotating spray head 112 is rotated to spray out and be discharged to the inner wall of the oil well pipe, the chemical agent is usually acidic and can react with the components in the scale layer to soften or dissolve the scale layer;

[0039] Sufficient time is given to allow the chemical agent to react with the scale to soften the scale layer, then the control valve 110 of the connecting pipe 109 is turned to block the connecting pipe 109, then the control valve 110 of the conveying main pipe 111 is reversed to unblock the conveying main pipe 111, then the first water pump 107 is started to pump the water in the chamber one of the box 105 into the conveying main pipe 111, then the water is rotated and discharged through the rotating spray head 112, the impact force of the high-pressure water flow is used to flush away the softened scale, the combination of chemical and physical methods can improve the descaling efficiency and can more thoroughly remove the scale on the inner wall of the pipe, compared with the single mechanical cleaning method, the combination method causes less damage to the pipe and improves the use effect of the device;

[0040] When it is needed to move the rotating spray head 112 downward to uniformly flush or spray the softened agent on the sidewall of the oil well pipe, the conveying rod 102 is pushed to slide on the cover plate 101, as the conveying rod 102 continuously moves downward, the rotating spray head 112 is moved downward and the conveying main pipe 111 is stretched at the same time;

[0041] When the length of the conveying rod 102 is insufficient for the length of the oil well pipe, the threaded rod 202 is then rotated, thereby moving the pressing plate 203, and the pressing plate 203 slides on the limiting plate 204 through the moving groove, so that the pressing plate 203 can be limited, and the pressing plate 203 is more stable during movement. The conveying rod 102 is pressed by the pressing plate 203, and the other side of the conveying rod 102 is blocked by the abutting plate 205, so that the conveying rod 102 is pressed by the cooperation of the pressing plate 203 and the abutting plate 205, and the position of the conveying rod 102 on the cover plate 101 is locked.

[0042] Then another set of conveying rods 102 is picked up, the threaded groove 104 is corresponded to the threaded column 103 at the top end of the conveying rod 102, and is screwed on the threaded column 103, so that the two sets of conveying rods 102 are spliced to extend the length of the conveying rod 102 as a whole, and then the conveying rod 102 is continuously pushed to move downward, and the rotating nozzle 112 is continuously driven to move downward.

[0043] Through this operation, the spliced conveying rod 102 can be flexibly adjusted according to the specific length of the well pipe, and is suitable for well pipes of different depths. For a longer well pipe, the manufacturing and processing of the longer reciprocating wire rod are simpler, the manufacturing cost is lower, and the use effect of the device is improved.

[0044] It should be noted that the scheme also has an electric control cabinet, which is arranged on the box body 105. In use, each electrical equipment can be started by the electric control cabinet. The power connection mode of each electrical equipment is a mature technology known to those skilled in the art, and will not be described in detail here.

[0045] Further;

[0046] In an optional embodiment, the abutting plate 205 is provided with a anti-falling limiting mechanism 3 for limiting the conveying rod 102. The anti-falling limiting mechanism 3 includes a lock block 303 sliding in the abutting plate 205, a pull rod 301 fixed to one side of the lock block 303, and a spring 302 wound on the surface of the pull rod 301. The surface of the conveying rod 102 is provided with a limiting groove 304 matched with the lock block 303, and the conveying rod 102 and the lock block 303 are connected through the limiting groove 304.

[0047] One side of the abutting plate 205 is provided with a rectangular groove matched with the lock block 303, and the lock block 303 and the abutting plate 205 are connected through the rectangular groove. The inside of the abutting plate 205 is provided with a circular hole matched with the pull rod 301, and the pull rod 301 and the abutting plate 205 are connected through the circular hole. The two ends of the spring 302 are fixedly connected with the pull rod 301 and the abutting plate 205, respectively.

[0048] In the embodiment: through the spring 302 elastic setting, drive the lock block 303 on the pull rod 301 and the limit slot 304 side wall of the opening of the conveying rod 102 fit, when rotating the threaded rod 202, drive the extrusion plate 203 to remove the extrusion of the conveying rod 102, personnel in the process of driving the conveying rod 102 continuously conveying, due to the lock block 303 in the limit slot 304, thereby being able to limit the conveying rod 102, avoid personnel not to pay attention to, conveying rod 102 from the cover plate 101 slip, improve the stability of conveying rod 102 conveying.

[0049] The working principle and use process of the utility model: the high -efficient flushing scale remover for oil well, when using, first close the control valve 110 on the conveying main pipe 111, to the conveying main pipe 111 close to the one end of first water pump 107 is sealed, then start second water pump 108, and then the chemical reagent inside chamber two is extracted, and is transported to the conveying main pipe 111, then is transported to the rotary spray head 112, and the rotary spray head 112 rotates and sprays, and is arranged on the oil well pipe inner wall, thereby softening or dissolving scale layer, then rotate the control valve 110 of connecting pipe 109, and seal the connecting pipe 109, then reverse rotate the control valve 110 on the conveying main pipe 111, and seal the conveying main pipe 111, then start first water pump 107, and first water pump 107 extracts the water inside chamber one of box body 105, and is transported to the conveying main pipe 111, then is rotated and discharged through the rotary spray head 112, and the softened scale is washed clean by the impact force of high pressure water flow;When needing to move down the rotary spray head 112 to evenly flush or spray the softening agent of the oil well pipe side wall, conveying rod 102 is pushed and slides on the cover plate 101, along with the continuous downward movement of the conveying rod 102, the rotary spray head 112 is driven to move down, and the conveying main pipe 111 is stretched simultaneously;When the length of the conveying rod 102 is insufficient for the length of the oil well pipe, then rotate the threaded rod 202, and then drive the extrusion plate 203 to move, and the extrusion plate 203 slides on the limiting plate 204 through the opening of the moving slot, thereby limiting the extrusion plate 203, so that the extrusion plate 203 moves more stably, the conveying rod 102 is extruded by the extrusion plate 203, and the other side of the conveying rod 102 is blocked by the abutting plate 205, so that the extrusion plate 203 and the abutting plate 205 cooperate to extrude the conveying rod 102, and the position of the conveying rod 102 on the cover plate 101 is locked;Then pick up another set of conveying rod 102, the threaded groove 104 corresponds to the threaded column 103 at the top of the conveying rod 102, and is screwed on the threaded column 103, realizing the splicing operation of the two sets of conveying rod 102, to extend the length of the conveying rod 102 as a whole, then continue to push the conveying rod 102 to continue to move down, and continuously drive the rotary spray head 112 to move down;Through the operation, the splicing conveying rod 102 can be flexibly adjusted according to the specific length of the well pipe, and is suitable for well pipes of different depths.

[0050] Also, it is common technical knowledge to those skilled in the art that the contents not described in detail in the present specification are the prior art.

Claims

1. A pig for use in a high efficiency oil production well, characterized in that, It comprises a cover plate (101) installed on the top end of the oil production well pipe; A rotary nozzle (112) is arranged below the cover plate (101), the top end of the rotary nozzle (112) is fixed with a conveying rod (102), the conveying rod (102) is provided in multiple groups, one end of each group of the conveying rod (102) is fixed with a threaded column (103), and the other end is provided with a threaded groove (104) matched with the threaded column (103); One side of the cover plate (101) is provided with a box (105), the inside of the box (105) is fixed with a partition plate (106), the box (105) can be divided into a chamber one filled with water and a chamber two filled with chemical agent through the partition plate (106); One side of the box (105) is respectively provided with a first water pump (107) and a second water pump (108), the output end of the first water pump (107) is fixed with a conveying main pipe (111), and the output end of the second water pump (108) is fixed with a connecting pipe (109); The cover plate (101) is provided with a locking mechanism (2) for locking the position of the conveying rod (102).

2. The high performance cleanout device for a production well of claim 1, wherein: The input ends of the first water pump (107) and the second water pump (108) are fixed and communicated with the chamber one and the chamber two respectively, control valves (110) are fixedly installed in the inside of the connecting pipe (109) and the inside of the conveying main pipe (111) close to one end of the first water pump (107), the connecting pipe (109) and the conveying main pipe (111) are fixed and communicated, and the other end of the conveying main pipe (111) is fixedly connected with the input end of the rotary nozzle (112).

3. The high performance cleanout device for oil wells of claim 1, wherein: The cover plate (101) is provided with a through hole matched with the conveying main pipe (111), and is provided with a sliding hole matched with the conveying rod (102), the conveying rod (102) and the cover plate (101) are slidingly connected through the sliding hole.

4. The high performance cleanout device of claim 1, wherein: The locking mechanism (2) comprises a fixed plate (201) fixed on the upper surface of the cover plate (101) and an extrusion plate (203) arranged on one side of the fixed plate (201); One side of the extrusion plate (203) is rotatably connected with a threaded rod (202) through a bearing, the fixed plate (201) is threadedly connected with the threaded rod (202) through a threaded hole, and one side of the cover plate (101) close to the conveying rod (102) is fixed with an abutting plate (205).

5. The high performance cleanout device of claim 4, wherein: One side of the fixed plate (201) is fixed with a limiting plate (204), the outer surface of the extrusion plate (203) is provided with a moving groove matched with the limiting plate (204), and the extrusion plate (203) and the limiting plate (204) are slidingly connected through the moving groove.

6. The high performance cleanout device of claim 4, wherein: The resisting plate (205) is provided with a anti-falling limiting mechanism (3) for limiting the conveying rod (102), the anti-falling limiting mechanism (3) comprises a lock block (303) sliding in the resisting plate (205), a pull rod (301) fixed on one side of the lock block (303) and a spring (302) wound on the surface of the pull rod (301), the surface of the conveying rod (102) is provided with a limiting groove (304) matched with the lock block (303), and the conveying rod (102) and the lock block (303) are connected through the limiting groove (304).

7. The high performance cleanout device of claim 6, wherein: One side of the resisting plate (205) is provided with a rectangular groove matched with the lock block (303), the lock block (303) and the resisting plate (205) are connected through the rectangular groove, the inside of the resisting plate (205) is provided with a circular hole matched with the pull rod (301), the pull rod (301) and the resisting plate (205) are connected through the circular hole, and the two ends of the spring (302) are fixedly connected with the pull rod (301) and the resisting plate (205) respectively.

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