Coiled tubing fishing socket

Abstract

The utility model discloses a coiled tubing fishing socket which comprises a socket body, an insertion section is arranged at the bottom end of the socket body, the caliber of the insertion section is smaller than that of the socket body, soft scraping plates are arranged on the side wall of the insertion section, the diameters of the soft scraping plates are sequentially increased, an installation groove is formed in the side wall of the socket body, a connecting frame is arranged in the installation groove in a hinged mode, and a pressing block is arranged at the bottom end of the connecting frame. The top of the connecting frame is provided with a traction rope, the traction rope extends into the barrel in a sliding mode, a traction assembly matched with the traction rope is arranged in the barrel, a plurality of sprayers are evenly arranged on the portion, above the soft scraper, of the side wall of the barrel, and a liquid supply assembly matched with the sprayers is arranged in the barrel. The inner wall of the continuous oil drum is cleaned, the salvage stability is improved, the structure is simple, the size is small, and butt joint between the drum body and the continuous oil tube is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the fishing barrel technical field more specifically, it relates to a continuous tubing fishing barrel. BACKGROUND

[0002] In the downhole operation of the oil field, sometimes the problem of pipeline falling in the casing is encountered. In order to take out these fallen objects, fishing barrel is usually used.

[0003] The continuous tubing fishing barrel is a tool specially used for downhole operation, mainly used for fishing downhole fallen objects;

[0004] The existing continuous tubing fishing barrel has a complex structure, and when realizing pipeline fishing, it is inconvenient to butt joint with the pipeline. For example, the Chinese patent file with publication number CN210685905U provides a continuous tubing fishing barrel, which is clamped through the connecting clamping plate. However, the operation space is small when clamping and fixing, and it is inconvenient to align, which affects the fishing convenience.

[0005] In addition, the Chinese patent file with publication number CN219387835U discloses a continuous tubing fishing barrel, which realizes clamping by inward clamping. However, the above-mentioned scheme has a complex structure, and when butt joint with the fishing casing, it needs to be sleeved on the outside of the casing, which occupies a large space and is not flexible in fishing.

[0006] In addition, the casing in the existing continuous tubing has oil on the surface when fishing, and the anti-skid property is poor, so when fishing, the clamping stability is poor, which easily leads to falling off in the middle, affecting the fishing stability. UTILITY MODEL CONTENT

[0007] (I) Technical problem solved

[0008] In view of the problems existing in the prior art, the utility model provides a continuous tubing fishing barrel to solve the technical problems of poor fishing convenience, flexibility and stability of the continuous tubing fishing barrel in the prior art mentioned in the background.

[0009] (II) Technical scheme

[0010] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0011] A coiled tubing fishing bowl, comprising a bowl body, a bottom end of the bowl body is provided with an insertion section, an aperture of the insertion section is smaller than that of the bowl body, soft scrapers are provided on the side wall of the insertion section in sequence, mounting grooves are formed on the side wall of the bowl body, connecting frames are hingedly arranged in the mounting grooves, pressing blocks are arranged at the bottom end of the connecting frames, pulling ropes are arranged at the top of the connecting frames, the pulling ropes slide into the bowl body, traction assemblies are arranged in the bowl body in cooperation with the pulling ropes, a plurality of nozzles are uniformly arranged on the side wall of the bowl body above the soft scrapers, and liquid supply assemblies are arranged in the bowl body in cooperation with the nozzles.

[0012] The utility model further sets up, the liquid supply assembly includes liquid supply pipe, the liquid supply pipe is connected with outside cleaning liquid source, the bottom of liquid supply pipe is connected with annular pipe, the annular pipe sets up on the inner wall of bowl body, and the liquid inlet end of nozzle is installed on the annular pipe, and the cooperation of liquid supply pipe and annular pipe can control the cleaning liquid delivery to nozzle and spray, realize the cleaning of pipe wall.

[0013] The utility model further sets up, the traction assembly includes fixing frame, the fixing frame sets up in the inside of bowl body, the fixing frame is provided with telescopic drive, the bottom of telescopic drive is provided with connecting ring, the tail end of pulling rope is fixed on connecting ring, moves through telescopic drive control connecting ring, moves through connecting ring and pulls the rope, and the connecting frame can be pulled and turned over through the pulling rope, so that the connecting frame drives the pressing block to move, and the pressing block is fixed on the inner wall of the pipe sleeve with fishing, realizes the pressing fixed of pipe sleeve, so as to pull up the pipeline.

[0014] The utility model further sets up, the telescopic drive can be electric push rod, electric cylinder, electric telescopic rod or air cylinder.

[0015] The utility model further sets up, the traction assembly includes mounting bracket, the mounting bracket is provided with motor, the output of motor is provided with winding wheel, the tail end of pulling rope is wound on winding wheel, and the winding wheel can be driven through motor control, can pull the winding of pulling rope, so as to make the connecting frame drive the pressing block to move, and the pressing block is fixed on the inner wall of pipe sleeve, so as to realize the pressing fixed of the pipe sleeve with fishing.

[0016] The utility model further sets up, the bottom of mounting bracket is provided with guide frame, the guide frame is provided with guide ring, the guide ring is below winding wheel, the pulling rope is wound on winding wheel after passing through guide ring, and the cooperation of guide frame and guide ring can make the winding of pulling rope better on winding wheel, realize the pulling of pulling rope.

[0017] The utility model further sets up, the surface of the compression block is provided with the antiskid pad, the surface of antiskid pad is equipped with the anti -skidding convex edge, can improve the surface antiskid property of compression block through the setting of antiskid pad and anti -skidding convex edge, improve the stability and antiskid property when compression fixed.

[0018] The utility model further sets up, the lateral wall of the cylinder is equipped with slide hole, the slide hole is equipped with the protection along, the pull rope is from the slide hole and slides through, like this, it is convenient for the pull of the pull rope.

[0019] (Three) beneficial effect

[0020] Compared with the prior art, the utility model provides a coiled tubing fishing barrel has the following beneficial effects:

[0021] 1, the utility model discloses a insert section is provided at the bottom of the cylinder, and the caliber of the insert section is less than the caliber of the cylinder, the diameter of the sidewall of the insert section is sequentially increased and is provided with a soft scraper, so that when the coiled tubing is fished, the insert section can better enter the coiled tubing, and the soft scraper gradually increases to scrape the inner wall of the coiled tubing, and the oil on the surface of the coiled tubing is scraped off, so that the surface friction of the coiled tubing during fishing can be improved, and the fishing stability can be improved.

[0022] 2, the utility model discloses that the cylinder sidewall above the soft scraper is uniformly provided with a plurality of spray heads, and the inside of the cylinder is provided with a liquid supply assembly matched with the spray heads, wherein the liquid supply assembly comprises a liquid supply pipe connected with an external cleaning liquid source, and the bottom end of the liquid supply pipe is connected with an annular pipe arranged on the inner wall of the cylinder, and the liquid inlet end of the spray head is mounted on the annular pipe, so that when the coiled tubing is fished, the cleaning liquid is delivered to the annular pipe through the liquid supply pipe, and is sprayed on the surface of the coiled tubing through the spray head on the annular pipe, so that the oil on the surface of the coiled tubing is further decomposed, and the high-pressure atomizing spray head is preferably used, so that the pipe wall slip resistance of the coiled tubing during fishing can be further improved.

[0023] 3, the utility model discloses that the sidewall of the cylinder is provided with a mounting groove, a connecting frame is hingedly arranged in the mounting groove, a compression block is arranged at the bottom end of the connecting frame, and a pull rope is arranged at the top of the connecting frame and extends to the inside of the cylinder, and a traction assembly is arranged in the inside of the cylinder matched with the pull rope, so that when the coiled tubing is fished, the pull rope is controlled to move upwards, the connecting frame is turned outwards by the pull rope, and the compression block is fixed on the inner wall of the coiled tubing, so that the coiled tubing is fished, the utility model discloses a simple structure, small space occupation, and quick and convenient docking between the cylinder and the coiled tubing. ACCURACY OF DRAWINGS

[0024] Figure 1 The whole structure diagram of the coiled tubing fishing barrel Figure 1

[0025] Figure 2 The whole internal structure section view diagram of the coiled tubing fishing barrel Figure 1

[0026] Figure 3 The whole internal structure section view diagram of the coiled tubing fishing barrel Figure 2

[0027] Figure 4 The matching structure diagram between the connecting frame, the pressing block and the pulling rope in the coiled tubing fishing barrel

[0028] Figure 5 The matching structure diagram between the connecting frame, the pressing block and the pulling rope in the coiled tubing fishing barrel Figure 3 The local structure enlarged view of A in the coiled tubing fishing barrel.

[0029] In the drawing: 1, barrel body; 2, insertion section; 3, soft scraper; 4, mounting groove; 5, connecting frame; 6, pressing block; 7, pulling rope; 8, spray head; 9, liquid supply pipe; 10, annular pipe; 11, fixed frame; 12, telescopic driving part; 13, connecting ring; 14, mounting frame; 15, motor; 16, winding wheel; 17, guide frame; 18, guide ring; 19, anti-skid pad; 20, anti-skid convex rib; 21, sliding hole; 22, protection edge. DETAILED DESCRIPTION

[0030] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled in the art to which the present application belongs.

[0032] In the present application, unless otherwise specified, the directions such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings; "inner, outer" refer to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the present application.

[0033] Please refer to Figures 1-5 A coiled tubing fishing barrel, comprising a barrel body 1, the bottom end of the barrel body 1 is provided with an insertion section 2, the caliber of the insertion section 2 is smaller than the caliber of the barrel body 1, and a soft scraper 3 is arranged on the sidewall of the insertion section 2 in a diameter increasing order;

[0034] ​​​Therefore, when the coiled tubing is fished, the barrel 1 can enter the coiled tubing better through the setting of the insertion section 2, and the soft scraper 3 can scrape the inner wall of the coiled tubing to scrape off the oil on the surface of the inner wall of the coiled tubing, so that the surface friction of the coiled tubing during fishing can be improved, and the fishing stability can be improved.

[0035] The utility model discloses a mounting groove 4 is set up on the lateral wall of barrel 1, and the connecting frame 5 is hingedly arranged in the mounting groove 4, the bottom of connecting frame 5 is provided with the compression block 6, and the top of connecting frame 5 is provided with the pull rope 7.

[0036] Therefore, when the pipe sleeve is fished, the pull rope 7 is controlled to move upwards, the connecting frame 5 is pulled outwards to overturn by the pull rope 7, the compression block 6 can be tightly fixed on the inner wall of the pipe sleeve, the fishing of the pipe sleeve is realized, the utility model discloses a simple overall structure, and the space occupation is small, and the barrel 1 and the pipe sleeve can be quickly and conveniently connected.

[0037] The utility model discloses a plurality of spray heads 8 are evenly arranged on the lateral wall of barrel 1 above the soft scraper 3, and the liquid supply assembly is arranged in the barrel 1 in cooperation with the spray head 8.

[0038] The liquid supply assembly comprises a liquid supply pipe 9, and the liquid supply pipe 9 is connected with an external cleaning liquid source.

[0039] Therefore, when the coiled tubing is fished, the cleaning liquid is delivered to the annular pipe 10 through the liquid supply pipe 9, and the cleaning liquid is sprayed on the surface of the coiled tubing through the spray head 8 on the annular pipe 10, so that the oil on the surface of the coiled tubing is further decomposed, and the spray head 8 is preferably a high-pressure atomizing spray head 8, so that the pipe wall slip resistance of the coiled tubing during fishing can be further improved.

[0040] Please refer to Figures 1-5 As an embodiment of the traction assembly, the traction assembly comprises a fixed frame 11, the fixed frame 11 is arranged in the barrel 1, the fixed frame 11 is provided with a telescopic driving part 12, the bottom of the telescopic driving part 12 is provided with a connecting ring 13, the tail end of the pull rope 7 is fixed on the connecting ring 13, the connecting ring 13 is moved through the telescopic driving part 12, the pull rope 7 is moved through the connecting ring 13, the connecting frame 5 is pulled and overturned through the pull rope 7, the connecting frame 5 drives the compression block 6 to move, and the compression block 6 is tightly fixed on the inner wall of the pipe sleeve during fishing, so that the pipe sleeve is tightly fixed, and the pipe is pulled up.

[0041] Please refer to Figures 1-5As an embodiment of the telescopic driving member 12: the telescopic driving member 12 can be an electric push rod, an electric cylinder, an electric telescopic rod or a pneumatic cylinder.

[0042] Please refer to Figures 1-5 As an embodiment of the traction assembly: the traction assembly comprises a mounting frame 14, a motor 15 is arranged on the mounting frame 14, an output end of the motor 15 is provided with a winding wheel 16, a tail end of the traction rope 7 is wound on the winding wheel 16, and the winding wheel 16 is controlled to rotate through the motor 15, so that the traction rope 7 is wound, thereby the connecting frame 5 is pressed outward, the connecting frame 5 drives the pressing block 6 to move, and the pressing block 6 is pressed and fixed on the inner wall of the pipe sleeve, so that the pipe sleeve to be fished is pressed and fixed.

[0043] Please refer to Figures 1-5 As an embodiment of the mounting frame 14: a guide frame 17 is arranged at the bottom end of the mounting frame 14, a guide ring 18 is arranged on the guide frame 17, the guide ring 18 is located below the winding wheel 16, and the traction rope 7 is wound on the winding wheel 16 after passing through the guide ring 18, so that the traction rope 7 is better wound on the winding wheel 16 through the cooperation of the guide frame 17 and the guide ring 18, and the traction rope 7 is tightened.

[0044] Please refer to Figures 1-5 As an embodiment of the pressing block 6: an antiskid pad 19 is arranged on the surface of the pressing block 6, and an antiskid convex rib 20 is arranged on the surface of the antiskid pad 19, so that the surface antiskid property of the pressing block 6 is improved, and the stability and antiskid property during pressing and fixing are improved.

[0045] Please refer to Figures 1-5 As an embodiment of the barrel 1: a sliding hole 21 is arranged on the side wall of the barrel 1, a protection rail 22 is arranged at the sliding hole 21, and the traction rope 7 slides through the sliding hole 21, so that the traction of the traction rope 7 is facilitated.

[0046] In summary:

[0047] The utility model discloses a plug -in section 2 is arranged at the bottom end of the barrel 1, and the caliber of the plug -in section 2 is less than the caliber of the barrel 1, and the soft scraper 3 with gradually increasing diameter is arranged on the side wall of the plug -in section 2, so that when the coiled tubing is fished, the barrel 1 can better enter the inside of the coiled tubing through the arrangement of the plug -in section 2, and the soft scraper 3 with gradually increasing diameter can scrape the inner wall of the coiled tubing, and the oil on the surface of the inner wall of the coiled tubing is scraped off, so that the surface friction of the coiled tubing during fishing can be improved, and the fishing stability can be improved.

[0048] The utility model discloses a plurality of spray heads 8 are evenly arranged on the lateral wall of the cylinder 1 above the soft scraper 3, and the inside of the cylinder 1 is provided with a liquid supply assembly matched with the spray head 8, wherein the liquid supply assembly comprises a liquid supply pipe 9, the liquid supply pipe 9 is connected with an external cleaning liquid source, the bottom end of the liquid supply pipe 9 is connected with an annular pipe 10, the annular pipe 10 is arranged on the inner wall of the cylinder 1, and the liquid inlet end of the spray head 8 is mounted on the annular pipe 10, so that when the coiled tubing is fished, the cleaning liquid is delivered to the annular pipe 10 through the liquid supply pipe 9, and the cleaning liquid is sprayed on the surface of the coiled tubing through the spray head 8 on the annular pipe 10, so that the oil on the surface of the coiled tubing is further decomposed, wherein the spray head 8 is preferably a high-pressure atomizing spray head 8, so that the pipe wall slip resistance of the coiled tubing during fishing can be further improved.

[0049] The utility model discloses that the mounting groove 4 is set up on the lateral wall of the cylinder 1, and the connecting frame 5 is hingedly arranged in the mounting groove 4, the bottom of the connecting frame 5 is provided with the compression block 6, and the top of the connecting frame 5 is provided with the pull rope 7, the pull rope 7 slides and extends to the inside of the cylinder 1, and the inside of the cylinder 1 is provided with the traction assembly matched with the pull rope 7, so that when the pipe sleeve is fished, the pull rope 7 is controlled to move upwards, the connecting frame 5 is turned outwards by pulling, and the compression block 6 can be tightly fixed on the inner wall of the pipe sleeve, so that the pipe sleeve is fished, and the utility model discloses simple overall structure, small occupied space, and quick and convenient butt joint between the cylinder 1 and the pipe sleeve.

[0050] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be described one by one. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

[0051] In all the schemes mentioned above, the electrical element operation is controlled by the controller unless otherwise specified. Since the controller is matched with commonly used equipment, its control principle and circuit connection belong to existing known and mature technology, and its electrical connection relationship and specific circuit structure will not be described here.

[0052] In all the schemes mentioned above, the motor can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are existing known technology, which will not be described here.

[0053] In all the above-mentioned schemes, the solar panel is connected to the battery, and the necessary accessories such as the inverter, the battery charging controller, the cable and the fuse, and the support, etc. are matched. The control principle and the line connection are all known and mature technologies, and the electrical connection relationship and the specific circuit structure are not described here.

Claims

1. A coiled tubing overshot comprising a body (1) characterised in that: The bottom end of the barrel (1) is provided with an insertion section (2), the caliber of the insertion section (2) is smaller than the caliber of the barrel (1), the diameter of the side wall of the insertion section (2) is sequentially increased and provided with a soft scraper (3), the side wall of the barrel (1) is provided with a mounting groove (4), the mounting groove (4) is hingedly provided with a connecting frame (5), the bottom end of the connecting frame (5) is provided with a pressing block (6), the top of the connecting frame (5) is provided with a pulling rope (7), the pulling rope (7) slides into the barrel (1), the inside of the barrel (1) is provided with a traction assembly matched with the pulling rope (7), the side wall of the barrel (1) above the soft scraper (3) is uniformly provided with a plurality of spray heads (8), and the inside of the barrel (1) is provided with a liquid supply assembly matched with the spray head (8).

2. A coiled tubing socket as defined in claim 1, wherein: The liquid supply assembly comprises a liquid supply pipe (9), the liquid supply pipe (9) is connected with an external cleaning liquid source, the bottom end of the liquid supply pipe (9) is connected with an annular pipe (10), the annular pipe (10) is arranged on the inner wall of the barrel (1), and the liquid inlet end of the spray head (8) is mounted on the annular pipe (10).

3. A coiled tubing socket as defined in claim 1, wherein: The traction assembly comprises a fixing frame (11), the fixing frame (11) is arranged in the barrel (1), the fixing frame (11) is provided with a telescopic driving piece (12), the bottom end of the telescopic driving piece (12) is provided with a connecting ring (13), and the tail end of the pulling rope (7) is fixed on the connecting ring (13).

4. A coiled tubing socket as defined in claim 3, wherein: The telescopic driving piece (12) can be an electric push rod, an electric cylinder, an electric telescopic rod or an air cylinder.

5. The coiled tubing socket of claim 1, wherein: The traction assembly comprises a mounting frame (14), the mounting frame (14) is provided with a motor (15), the output end of the motor (15) is provided with a winding wheel (16), and the tail end of the pulling rope (7) is wound on the winding wheel (16).

6. A coiled tubing socket as defined in claim 5, wherein: The bottom end of the mounting frame (14) is provided with a guide frame (17), the guide frame (17) is provided with a guide ring (18), the guide ring (18) is located below the winding wheel (16), and the pulling rope (7) is wound on the winding wheel (16) after passing through the guide ring (18).

7. A coiled tubing socket as claimed in any one of claims 1 to 6, wherein: The surface of the pressing block (6) is provided with an anti-skid pad (19), and the surface of the anti-skid pad (19) is provided with anti-skid ribs (20).

8. The coiled tubing socket of claim 1, wherein: The side wall of the barrel (1) is provided with a sliding hole (21), the sliding hole (21) is provided with a protective rail (22), and the pulling rope (7) slides through the sliding hole (21).

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