Acidification plug removal device for oilfield development

Abstract

The utility model discloses an acidification unblocking device for oilfield development, which comprises a barrel, a liquid inlet pipe is connected to the top of the barrel in a penetrating manner, a liquid storage box is fixedly mounted at the top of the barrel, the liquid inlet pipe is connected with the liquid storage box in a penetrating manner, the bottom of the barrel is rotatably connected with a rotating barrel, an unblocking component is arranged below the barrel, and the rotating barrel is connected with a rotating shaft. The unblocking assembly comprises a fixing frame fixedly installed on the lower portion of the interior of the cylinder body, the center of the interior of the fixing frame is rotationally connected with a rotating pipe, the top of the rotating pipe is connected with a connecting pipe in a penetrating mode, the top end of the connecting pipe is connected with the liquid storage box through a rotating connector in a penetrating mode, and the rotating pipe is fixedly connected with the rotating cylinder; when the inner wall of the oil pipe is cleaned and blocked, the positions of the bristles can adapt to the thickness of the oil pipe, cleaning and blocking prevention of the inner wall of the oil pipe are facilitated, additional adjustment is not needed, acid liquid can be sprayed out conveniently, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to acidification plug breaking device technical field, specifically is acidification plug breaking device for oilfield development. BACKGROUND

[0002] Acidification is just the chemical solution of acid liquid, dissolves stratum blockage, expands or extends stratum crack, to restore and improve the permeability of stratum, reduces the oil inflow well resistance or injection resistance, thereby reaches the purpose of oil well stimulation, water well injection.

[0003] The acidification plug breaking device is disclosed in the publication CN219081549U, which cleans the dirt on the oil pipe wall by rotating the rotating rod and the brush, to achieve dredging. The existing device has a certain interval between the brushes, so the cleaning of the inner wall of the oil pipe is not efficient enough, thereby reducing the cleaning effect of the oil pipe. However, the patent has the following problems in actual use:

[0004] The dirt on the oil pipe wall is cleaned by rotating the rotating rod and the brush, but in actual use, the position of the cleaning structure needs to be manually controlled when cleaning the inner wall of the oil pipe, which is inconvenient to operate. Moreover, the position of the cleaning structure is relatively fixed, which is not convenient for cleaning in oil pipes of different thicknesses, and the scope of application is limited.

[0005] An acidification plug breaking device for oilfield development is proposed to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an acidification plug breaking device for oilfield development to solve the problem that the dirt on the oil pipe wall is cleaned by rotating the rotating rod and the brush, but in actual use, the position of the cleaning structure needs to be manually controlled when cleaning the inner wall of the oil pipe, which is inconvenient to operate. Moreover, the position of the cleaning structure is relatively fixed, which is not convenient for cleaning in oil pipes of different thicknesses, and the scope of application is limited.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an acidification plug breaking device for oilfield development, comprising a cylinder;

[0008] The top of the cylinder is connected with a liquid inlet pipe, and the top of the cylinder is fixedly installed with a liquid storage box, and the liquid inlet pipe is connected with the liquid storage box;

[0009] It also includes:

[0010] The bottom of the cylinder is rotatably connected with a rotating cylinder, and the lower part of the cylinder is provided with a plug breaking assembly;

[0011] The plugging removal assembly comprises a fixed frame fixedly installed below the inside of the cylinder body, a rotating pipe rotatably connected to the inside center of the fixed frame, a connecting pipe penetratingly connected to the top of the rotating pipe, and a liquid storage box penetratingly connected to the top end of the connecting pipe through a rotary joint, and the rotating pipe is fixedly connected to the rotating cylinder;

[0012] The top side of the fixed frame is fixedly installed with a servo motor, the output end of the servo motor penetrates through the fixed frame and is fixedly installed with a driving gear, a driven gear is fixedly installed below the outside of the rotating pipe and located at the fixed frame, and the driving gear is meshingly connected to the driven gear.

[0013] Preferably, two groups of fixed blocks are symmetrically installed below the outside of the rotating pipe and located at the cylinder body, four fixed blocks are symmetrically arranged on each side of the rotating pipe, two fixed rods are fixedly installed between the four fixed blocks on each side, two movable blocks are slidingly connected to the outside of the two fixed rods, a telescopic spring is sleeved to one side of the movable block and located at the outside of the fixed rod, and the two ends of the telescopic spring are fixedly connected to the movable block and one side of the fixed block.

[0014] Preferably, a connecting rod is hinged to one side of each of the two movable blocks away from the rotating pipe, a shunt box is hinged to one end of the two connecting rods away from the rotating pipe, a plurality of liquid outlet pipes are penetratingly connected to one side of the shunt box with an increased distance, a plurality of bristles are arranged on one side of the shunt box, a telescopic pipe is penetratingly connected to one side of the shunt box between the two connecting rods, one end of the telescopic pipe away from the shunt box is penetratingly connected to the rotating pipe, a telescopic rod is fixedly installed on one side of each of the two fixed blocks away from the shunt box, and the movable end of the telescopic rod is fixedly connected to the shunt box.

[0015] Preferably, a rotating rod is rotatably connected to the inside top of the rotating pipe, a plugging member is fixedly installed to the outside of the rotating rod, a rotating gear is fixedly installed to one end of the rotating rod penetrating through the rotating pipe, a connecting frame is fixedly installed to one side of the top of the shunt box on one side, support frames are symmetrically installed to the top of the connecting frame, and a sliding groove is penetratingly formed to the bottom of the rotating cylinder and located above the connecting frame.

[0016] Preferably, an activity plate is arranged to one side of the inside bottom of the rotating cylinder, a guide groove is penetratingly formed to one side of the activity plate, a column block is fixedly installed between the two support frames, and the column block is fixedly connected to the guide groove.

[0017] Preferably, a connecting plate is fixedly installed to one side of the activity plate, a rack is fixedly installed to one side of the rotating gear and located at the connecting plate, and the rack is meshingly connected to the rotating gear.

[0018] Preferably, the other side of the movable plate is fixedly provided with a guide frame, the inside of the guide frame is slidably connected with a supporting rod, and the two ends of the supporting rod are fixedly connected with the rotating cylinder.

[0019] Compared with the prior art, the acidizing and plugging removing device for oil field development has the advantages that the position of the bristles can be self-adapted to the thickness of the oil pipe during the cleaning and plugging prevention of the inner wall of the oil pipe, the bristles can be conveniently used to clean and prevent plugging of the inner wall of the oil pipe without additional adjustment, the acid liquid can be conveniently sprayed, and the practicability is improved.

[0020] 1. When cleaning and preventing plugging of the inner wall of the oil pipe, the cylinder is put into the oil pipe, the cylinder is sent to the blocked position, the acid liquid can be connected with the liquid inlet pipe through the added pipeline, the acid liquid can be stored in the liquid storage box, during cleaning, the servo motor can be started, the driving gear is engaged with the driven gear to drive the rotating pipe to rotate, the rotating pipe rotates to drive the rotating cylinder to rotate, the rotating pipe rotates to make the two flow dividing boxes rotate circumferentially, the centrifugal force generated by the circumferential rotation of the flow dividing boxes can make the flow dividing boxes move away from the rotating pipe, the connecting rod rotates to drive the movable block to slide on the fixed rod and stretch the extension spring, until the bristles abut against the inner wall of the oil pipe, the flow dividing boxes stop moving, the bristles can be self-adapted to move and abut against the inner wall of the oil pipe through the rotation of the rotating pipe, then the acid liquid can enter the rotating pipe through the connecting pipe, the acid liquid can enter the flow dividing boxes through the extension pipe, the flow dividing boxes can throw out the acid liquid through the liquid outlet pipe during circumferential rotation, the inner wall of the oil pipe can be cleaned to prevent plugging, the position of the bristles can be self-adapted to the thickness of the oil pipe during the cleaning and plugging prevention of the inner wall of the oil pipe, the bristles can be conveniently used to clean and prevent plugging of the inner wall of the oil pipe without additional adjustment, the acid liquid can be conveniently sprayed, and the practicability is improved.

[0021] 2. When cleaning the inner wall of the oil pipe, the rotating pipe drives the flow dividing boxes to move, so that the connecting frame and the support frame move, the column blocks on the support frame slide in the guide groove, the column blocks slide in the inclined section of the guide groove to push the movable plate to move upward, the guide frame slides on the supporting rod, and then the rotating rod can be driven to rotate through the engagement of the rack on the connecting plate and the rotating gear, the rotating rod rotates to make the sealing member rotate, the rotating pipe is no longer blocked, the acid liquid can enter the rotating pipe, then when the bristles abut against the inner wall of the oil pipe during the movement of the flow dividing boxes, the column blocks slide on the straight section of the guide groove, so that the acid liquid can be automatically sprayed during the cleaning of the inner wall of the oil pipe, after cleaning, the rotating pipe stops rotating, the sealing member is reset, the spraying of the acid liquid is automatically stopped, the acid liquid can be conveniently controlled, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is sectional structure schematic view of the utility model;

[0024] Figure 3 It is sectional structure schematic view of the utility model body 2 A area amplification structure;

[0025] Figure 4 It is sectional structure schematic view of the utility model rotating pipe;

[0026] Figure 5 It is sectional structure schematic view of the utility model movable plate structure.

[0027] In the figure: 1, cylinder body;101, liquid inlet pipe;102, liquid storage box;103, rotating cylinder;2, block removal assembly;201, fixed frame;202, rotating pipe;203, connecting pipe;204, servo motor;205, driving gear;206, driven gear;207, fixed block;208, fixed rod;209, movable block;210, extension spring;211, connecting rod;212, telescopic rod;213, shunt box;2131, telescopic pipe;214, liquid outlet pipe;215, brush;216, rotating rod;217, plugging element;218, rotating gear;219, connecting frame;220, support frame;221, sliding groove;222, column block;223, movable plate;224, guide groove;225, connecting plate;226, rack;227, guide frame;228, support rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figures 1-5The utility model provides technical scheme: an acidification and plugging removal device for oil field development, the top of cylinder 1 is connected with liquid inlet pipe 101 through, and the top of cylinder 1 is fixedly installed with liquid storage box 102, and liquid inlet pipe 101 is connected with liquid storage box 102 through, still include: the bottom of cylinder 1 is rotatably connected with rotating cylinder 103, and the lower portion of cylinder 1 is provided with plugging removal assembly 2, wherein, plugging removal assembly 2 includes fixed frame 201 fixedly installed in the inside lower portion of cylinder 1, and the inside center of fixed frame 201 is rotatably connected with rotating pipe 202, and the top of rotating pipe 202 is connected with connecting pipe 203 through, and the top of connecting pipe 203 is connected with liquid storage box 102 through swivel joint, and rotating pipe 202 is fixedly connected with rotating cylinder 103, wherein, the top of fixed frame 201 one side is fixedly installed with servo motor 204, and the output of servo motor 204 passes through fixed frame 201 and is fixedly installed with driving gear 205, and the outside of rotating pipe 202 is fixedly installed with driven gear 206 below fixed frame 201, and driving gear 205 is engaged with driven gear 206, so that when cleaning and preventing the blockage of oil pipe inner wall, the position of brush 215 can be self-adapting the thickness of oil pipe, and it is convenient to clean and prevent the blockage of oil pipe inner wall, need not to adjust additionally, and it is convenient to spray acid liquor, has improved practicality.

[0030] The two groups of fixed blocks 207 are symmetrically installed below the cylinder 1 outside the rotating pipe 202, and each group of fixed blocks 207 is symmetrically arranged on one side of the rotating pipe 202, four on each side, and two fixed rods 208 are fixedly installed between the four fixed blocks 207 on each side, and the outer part of the two fixed rods 208 is slidably connected with a movable block 209, and a telescopic spring 210 is sleeved on one side of the movable block 209 outside the fixed rod 208, and the two ends of the telescopic spring 210 are fixedly connected with the movable block 209 and one side of the fixed block 207, so that the movable block 209 can automatically reset after moving, and each side of the two movable blocks 209 away from the rotating pipe 202 is hingedly connected with a connecting rod 211, and the end of the two connecting rods 211 away from the rotating pipe 202 is hingedly connected with a shunt box 213, and a plurality of liquid outlet pipes 214 are connected in series on one side of the shunt box 213, and a plurality of bristles 215 are arranged on one side of the shunt box 213, and a telescopic pipe 2131 is connected in series on one side of the shunt box 213 between the two connecting rods 211, and the end of the telescopic pipe 2131 away from the shunt box 213 is connected in series with the rotating pipe 202, and the side of each side of the two fixed blocks 207 away from the shunt box 213 is fixedly installed with a telescopic rod 212, and the movable end of the telescopic rod 212 is fixedly connected with the shunt box 213, so that the shunt box 213 can move, and the rotating rod 216 is rotatably connected inside the rotating pipe 202, and the outer part of the rotating rod 216 is fixedly installed with a blocking piece 217, and one end of the rotating rod 216 penetrates through the rotating pipe 202 and is fixedly installed with a rotating gear 218, and one side of the shunt box 213 is fixedly installed with a connecting frame 219 on the top, and the top of the connecting frame 219 is symmetrically installed with a supporting frame 220, and the bottom of the rotating cylinder 103 is connected in series with a sliding groove 221 above the connecting frame 219, so that the inside of the rotating pipe 202 can be blocked, and the inside of the rotating cylinder 103 is provided with a movable plate 223 on one side, and a guide groove 224 is formed in one side of the movable plate 223, and a column block 222 is fixedly installed between the two supporting frames 220, and the column block 222 is fixedly connected with the guide groove 224, so that the movement of the column block 222 can drive the movement of the movable plate 223, and the movable plate 223 is fixedly installed with a connecting plate 225 on one side, and the connecting plate 225 is fixedly installed with a rack 226 on one side of the rotating gear 218, and the rack 226 is meshingly connected with the rotating gear 218, so that the movement of the movable plate 223 can drive the rotation of the rotating gear 218, and the other side of the movable plate 223 is fixedly installed with a guide frame 227, and the inside of the guide frame 227 is slidably connected with a supporting rod 228, and the two ends of the supporting rod 228 are fixedly connected with the rotating cylinder 103, so as to support the movement of the movable plate 223.

[0031] Working principle: before using the acidizing and plugging removal device for oil field development, the overall situation of the device needs to be checked to determine whether it can work normally, according toFigure 1 Figure 5 As shown, when the inner wall of the oil pipe is cleaned and blocked, the barrel 1 is put into the oil pipe, the barrel 1 is sent to the blocked place, the acid liquid can be connected with the liquid inlet pipe 101 by adding the pipeline, the acid liquid can be stored in the liquid storage box 102, when cleaning, the servo motor 204 can be started, the driving gear 205 is engaged with the driven gear 206 to drive the rotating pipe 202 to rotate, the rotating pipe 202 rotates to drive the rotating barrel 103 to rotate, the rotating pipe 202 rotates to make the two shunt boxes 213 rotate circumferentially, the centrifugal force brought by the circumferential rotation of the shunt box 213 can make the shunt box 213 move away from the rotating pipe 202, so that the connecting rod 211 rotates to drive the movable block 209 to slide on the fixed rod 208 and stretch the extension spring 210, until the bristles 215 abut against the inner wall of the oil pipe, the shunt box 213 stops moving, the bristles 215 can be self-adapted to move and abut against the inner wall of the oil pipe by rotating the rotating pipe 202, then the acid liquid can enter the rotating pipe 202 through the connecting pipe 203, the acid liquid can enter the shunt box 213 through the extension pipe 2131, the shunt box 213 can throw out the acid liquid through the liquid outlet pipe 214 during circumferential rotation, which can clean the inner wall of the oil pipe and prevent blocking, so that the position of the bristles 215 can be self-adapted to the thickness of the oil pipe during cleaning and blocking prevention, which is convenient for cleaning and blocking prevention of the inner wall of the oil pipe without additional adjustment, and the acid liquid can be easily sprayed, improving the practicability.

[0032] When the inner wall of the oil pipe is cleaned, the rotating pipe 202 rotates to drive the shunt box 213 to move, so that the connecting frame 219 can drive the support frame 220 to move, so that the column block 222 on the support frame 220 slides in the guide groove 224, the column block 222 slides in the inclined section of the guide groove 224 to push the movable plate 223 to move upward, so that the guide frame 227 slides on the support rod 228, and then the connecting plate 225 can drive the rotating rod 216 to rotate through the engagement of the rack 226 and the rotating gear 218, the rotating rod 216 rotates to make the blocking piece 217 rotate, the inside of the rotating pipe 202 is no longer blocked, the acid liquid can enter the rotating pipe 202, then when the bristles 215 abut against the inner wall of the oil pipe during the movement of the shunt box 213, the column block 222 slides on the straight section of the guide groove 224, so that the acid liquid can be automatically sprayed during the cleaning of the inner wall of the oil pipe, after cleaning, the rotating pipe 202 stops rotating, the blocking piece 217 resets, the spraying of the acid liquid can be automatically stopped, which is convenient for controlling the acid liquid and improves the practicability.

[0033] ​Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An acidizing plugging removal device for oil field development, comprising a cylinder (1); The top of the cylinder (1) is connected with a liquid inlet pipe (101), and the top of the cylinder (1) is fixedly installed with a liquid storage box (102), and the liquid inlet pipe (101) is connected with the liquid storage box (102); characterized in that It also includes: The bottom of the cylinder (1) is rotatably connected with a rotating cylinder (103), and the lower part of the cylinder (1) is provided with a plugging removal assembly (2); Wherein, the plugging removal assembly (2) includes a fixed frame (201) fixedly installed inside the lower part of the cylinder (1), and the inside center of the fixed frame (201) is rotatably connected with a rotating pipe (202), and the top of the rotating pipe (202) is connected with a connecting pipe (203), and the top of the connecting pipe (203) is connected with the liquid storage box (102) through a rotary joint, and the rotating pipe (202) is fixedly connected with the rotating cylinder (103); Wherein, the top of the fixed frame (201) is fixedly installed with a servo motor (204) on one side, and the output end of the servo motor (204) penetrates the fixed frame (201) and is fixedly installed with a driving gear (205), and the outside of the rotating pipe (202) is fixedly installed with a driven gear (206) below the fixed frame (201), and the driving gear (205) is meshed with the driven gear (206).

2. The acidizing and plugging removal device for oilfield development according to claim 1, characterized in that: The outside of the rotating pipe (202) is symmetrically installed with two groups of fixed blocks (207) below the cylinder (1), and each group of fixed blocks (207) is symmetrically arranged on one side of the rotating pipe (202) and has four fixed blocks (207), and two fixed rods (208) are fixedly installed between every four fixed blocks (207) on each side, and two movable blocks (209) are slidably connected to the outside of the two fixed rods (208), and a telescopic spring (210) is sleeved on one side of the fixed rod (208) outside the movable block (209), and the two ends of the telescopic spring (210) are fixedly connected with the movable block (209) and the fixed block (207) on one side.

3. The acidizing and plugging removal device for oilfield development according to claim 2, characterized in that: The side of each of the two movable blocks (209) away from the rotating pipe (202) is hingedly connected with a connecting rod (211), the ends of the two connecting rods (211) away from the rotating pipe (202) are hingedly connected with a shunt box (213), a plurality of liquid outlet pipes (214) are connected with the shunt box (213) on one side through an extension, a plurality of shunt boxes (213) are provided with bristles (215) on one side, a telescopic pipe (2131) is connected with the shunt box (213) on one side between the two connecting rods (211), and the end of the telescopic pipe (2131) away from the shunt box (213) is connected with the rotating pipe (202), and the side of each of the two fixed blocks (207) away from each other and close to the shunt box (213) is fixedly installed with a telescopic rod (212), and the movable end of the telescopic rod (212) is fixedly connected with the shunt box (213).

4. The acidizing and plugging removal device for oilfield development according to claim 3, characterized in that: The rotating pipe (202) is rotatably connected with a rotating rod (216) on the top inside, a blocking piece (217) is fixedly installed on the outside of the rotating rod (216), one end of the rotating rod (216) penetrates through the rotating pipe (202) and is fixedly installed with a rotating gear (218), a connecting frame (219) is fixedly installed on the top of one side of the shunt box (213), support frames (220) are symmetrically installed on the top of the connecting frame (219), and a sliding groove (221) is formed in the bottom of the rotating cylinder (103) above the connecting frame (219).

5. The acidizing and plug breaking device for oilfield development according to claim 4, characterized in that: The bottom of the rotating cylinder (103) is provided with a movable plate (223) on one side, a guide groove (224) is formed in one side of the movable plate (223), and a column block (222) is fixedly installed between the two support frames (220).

6. The acidizing and plug breaking device for oilfield development according to claim 5, characterized in that: The movable plate (223) is fixedly installed with a connecting plate (225) on one side, the connecting plate (225) is fixedly installed with a rack (226) on one side of the rotating gear (218), and the rack (226) is in meshing connection with the rotating gear (218).

7. The acidizing and plug breaking device for oilfield development according to claim 5, characterized in that: The other side of the movable plate (223) is fixedly installed with a guide frame (227), and a support rod (228) is slidably connected in the guide frame (227), and the two ends of the support rod (228) are fixedly connected with the rotating cylinder (103).

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