CN217681614U - Anti-blocking type tubing coupling - Google Patents

Anti-blocking type tubing coupling Download PDF

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Publication number
CN217681614U
CN217681614U CN202221456826.5U CN202221456826U CN217681614U CN 217681614 U CN217681614 U CN 217681614U CN 202221456826 U CN202221456826 U CN 202221456826U CN 217681614 U CN217681614 U CN 217681614U
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China
Prior art keywords
coupling
cylindric
tubing coupling
clogging
groove
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CN202221456826.5U
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Chinese (zh)
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尚鹏宇
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Daqing Aoyang Petroleum Technology Development Co ltd
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Daqing Aoyang Petroleum Technology Development Co ltd
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Abstract

The utility model discloses an anti-blocking tubing coupling, which comprises a cylindrical tubing coupling, wherein the middle part of the outer surface of the cylindrical tubing coupling is movably provided with an anti-blocking antifriction component; the cylindric tubing coupling includes the cylindric coupling, and the barrel hole has been seted up at the middle part of cylindric coupling, and the upper and lower both ends of barrel hole internal surface all are provided with the screw thread, and the middle part fixed mounting of cylindric coupling surface has the washing sand board, and the guide way has been seted up in the middle part of cylindric coupling surface. Among the above-mentioned scheme, connect oil pipe through the cylindric tubing coupling, when oil pipe gos deep into the operation, because cylindric coupling both ends are thinner, it is less that it receives the resistance, and utilize the sand wash board can be convenient for wash away the grit, when oil pipe removes, through falling the gyro wheel contact well wall of a well of rubbing, reduce the friction of cylindric coupling to the well wall of a well, thereby make things convenient for the operation more, use through the cooperation of mount pad and spring, also can reach the effect of reducing friction when meetting narrower well head, and no matter rise or decline can reach and prevent stifled efficiency, its practicality has been improved.

Description

Anti-blocking type tubing coupling
Technical Field
The utility model relates to an oil pipe coupling technical field, more specifically say, the utility model relates to an anti-blocking formula oil pipe coupling.
Background
The tubing coupling is one of oilfield drilling tools, is mainly used for connecting tubing, has the characteristic of relieving stress concentration of the root part of the external thread of the single-cone threaded connection tubing, is not easy to generate fatigue fracture, has good connection effect, and can effectively prevent the occurrence of oil well tubing string disconnection accidents.
However, in practical use, there still exist some disadvantages, such as: at the initial stage of oil layer fracturing engineering and in the middle and later stages of oil field development, the oil well can have comparatively serious sand production phenomenon, and especially horizontal well and the oil well through operations such as later stage sidetracking, degree of depth swabbing need better sand washing instrument, and current oil pipe coupling is thick, and its edge easily receives great grit resistance, makes oil pipe jam in the oil well easily, and the practicality is lower.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an prevent blockking up formula tubing coupling to it is thicker to solve current tubing coupling, and its edge easily receives great grit resistance, makes oil pipe jam in the oil well easily, the lower problem of practicality.
In order to solve the technical problem, the utility model provides a following technical scheme: an anti-blocking tubing coupling comprises a cylindrical tubing coupling, wherein an anti-blocking antifriction component is movably mounted in the middle of the outer surface of the cylindrical tubing coupling; the cylindrical tubing coupling comprises a cylindrical coupling, a cylindrical hole is formed in the middle of the cylindrical coupling, threads are arranged at the upper end and the lower end of the inner surface of the cylindrical hole, a sand flushing plate is fixedly mounted in the middle of the outer surface of the cylindrical coupling, and a guide groove is formed in the middle of the outer surface of the cylindrical coupling.
The shape of the outer surface of the cylindrical coupling is set to be thick in the middle and thin in two sides, the number of the threads is two, the threads on the upper portion of the inner surface of the cylindrical hole and the threads on the lower portion of the inner surface of the cylindrical hole are in mirror symmetry, the structure of the sand washing plate is set to be thick in the upper side and thin in the middle of the upper side and the lower side, and the shape of the middle of the sand washing plate is set to be arc-shaped.
Wherein, prevent stifled antifriction subassembly includes the mount pad, the gyro wheel groove has been seted up at the positive middle part of mount pad, the middle part fixed mounting of gyro wheel inslot surface has the roller shaft, the middle part movable mounting of roller shaft surface has the gyro wheel that rubs down, the shaft hole has been seted up at the middle part of the gyro wheel that rubs down, the back fixedly connected with spring of mount pad.
The outer surface of the mounting seat is movably mounted on the inner surface of the guide groove, the size of the spring is matched with that of the guide groove, the size of the friction reducing roller is matched with that of the roller groove, and the tail end of the spring is fixedly connected to the inner surface of the guide groove.
The anti-falling device is characterized in that a rod hole is formed in the middle of the back face of the mounting seat, a circular plate groove is formed in the rod hole, an anti-falling rod is movably mounted on the inner surface of the rod hole, an anti-falling circular plate is fixedly mounted at the head end of the anti-falling rod, and the upper side and the lower side of the head of the mounting seat are of inclined plane structures.
The outer surface of the anti-falling circular plate is movably mounted on the inner surface of the circular plate groove, the tail end of the anti-falling rod is fixedly mounted on the inner surface of the guide groove, and the length of the anti-falling rod corresponds to the length of the circular plate groove.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
among the above-mentioned scheme, connect oil pipe through cylindric tubing coupling, when oil pipe gos deep into the operation, because cylindric coupling both ends are thinner, it is less that it receives the resistance, and utilize towards the sand board can be convenient for wash away the grit, when oil pipe removes, through falling the gyro wheel contact well wall of a well, reduce the friction of cylindric coupling to the well wall of a well, thereby make things convenient for the operation more, use through the cooperation of mount pad and spring, also can reach the effect of reducing friction when meetting narrower well head, and no matter rise or descend and all can reach and prevent stifled efficiency, utilize above-mentioned structure, can reduce the jam condition in certain extent, the effect that improves tubing coupling practicality has been reached.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic view of the cylindrical tubing coupling structure of the present invention;
FIG. 4 is a schematic view of the front side of the structure of the anti-blocking and anti-friction assembly of the present invention;
fig. 5 is the rear schematic view of the anti-blocking antifriction component structure of the utility model.
[ reference numerals ]
1. A cylindrical tubing coupling; 2. a block-resistant antifriction component; 11. a cylindrical coupling; 12. a cylindrical hole; 13. a thread; 14. a sand washing plate; 15. a guide groove; 21. a mounting base; 211. a roller groove; 22. a roller shaft; 23. reducing friction of the roller; 231. a shaft hole; 24. a spring; 25. an anti-drop rod; 251. an anti-drop circular plate; 212. a rod hole; 213. a circular plate groove.
Detailed Description
To make the technical problems, technical solutions and advantages of the present invention clearer, the following description is made in conjunction with the accompanying drawings and specific embodiments.
The embodiment of the utility model provides an anti-blocking tubing coupling as shown in attached figures 1 to 5, which comprises a cylindrical tubing coupling 1, wherein an anti-blocking antifriction component 2 is movably arranged in the middle of the outer surface of the cylindrical tubing coupling 1; cylindric tubing coupling 1 includes cylindric coupling 11, barrel hole 12 has been seted up at the middle part of cylindric coupling 11, the upper and lower both ends of barrel hole 12 internal surface all are provided with screw thread 13, the middle part fixed mounting of 11 surfaces of cylindric coupling has sand washing plate 14, guide way 15 has been seted up at the middle part of 11 surfaces of cylindric coupling.
As shown in fig. 3 to 5, the outer surface of the cylindrical coupling 11 is provided with two thick middle and two thin middle threads 13, the threads 13 on the upper portion of the inner surface of the cylindrical hole 12 and the threads 13 on the lower portion of the inner surface of the cylindrical hole 12 are in mirror symmetry, the structure of the sand-washing plate 14 is provided with a thick upper and lower middle thin structure, the middle of the sand-washing plate 14 is provided with an arc shape, the anti-blocking and anti-friction assembly 2 comprises an installation base 21, a roller groove 211 is formed in the middle of the front surface of the installation base 21, a roller shaft 22 is fixedly installed in the middle of the inner surface of the roller groove 211, a friction-reducing roller 23 is movably installed in the middle of the outer surface of the roller shaft 22, a shaft hole 231 is formed in the middle of the friction-reducing roller 23, a spring 24 is fixedly connected to the back surface of the installation base 21, and the outer surface of the installation base 21 is movably installed on the inner surface of the guide groove 15, spring 24's size and guide way 15's size mutual adaptation, the size of the gyro wheel 23 that rubs that falls and the size mutual adaptation of roller groove 211, spring 24's tail end fixed connection is at the internal surface of guide way 15, pole hole 212 has been seted up at the middle part at the mount pad 21 back, disc groove 213 has been seted up to the inside of pole hole 212, the internal surface movable mounting of pole hole 212 has anticreep pole 25, the head end fixed mounting of anticreep pole 25 has anticreep disc 251, the upper and lower both sides of mount pad 21 prelude set up to the inclined plane structure, the surface movable mounting of anticreep disc 251 is at the internal surface of disc groove 213, the tail end fixed mounting of anticreep pole 25 is at the internal surface of guide way 15, the length of anticreep pole 25 corresponds to each other with the length of disc groove 213.
It is specific, connect oil pipe through cylindric tubing coupling 1, when oil pipe goes deep into the operation, because 11 two of cylindric coupling are thinner, it receives the resistance less, and utilize and wash sand board 14 can be convenient for wash the grit open, when oil pipe removes, through falling the gyro wheel 23 contact well wall of a well that rubs, reduce the friction of cylindric coupling 11 to the well wall of a well, thereby more convenient operation, use through the cooperation of mount pad 21 and spring 24, also can reach the effect of reducing friction when meetting narrower well head, and no matter rise or descend and all can reach and prevent stifled efficiency, utilize above-mentioned structure, can reduce the jam condition in the certain extent, the effect of improvement tubing coupling practicality has been reached.
The utility model discloses a working process as follows:
connect oil pipe through cylindric tubing coupling 1, when oil pipe in-depth operation, because 11 two of cylindric coupling are thinner, the resistance that it received is less, and utilize sand washing plate 14 can be convenient for wash away the grit, when oil pipe removes, through falling the gyro wheel 23 contact the wall of a well of rubbing, reduce the friction of cylindric coupling 11 to the wall of a well, thereby make things convenient for the operation more, use through the cooperation of mount pad 21 and spring 24, also can reach the effect of reducing friction when meetting narrower well head, and no matter rise or descend can reach and prevent stifled efficiency.
Above-mentioned scheme sets up cylindric tubing coupling 1 and prevents stifled antifriction subassembly 2, utilizes above-mentioned structure, can reduce the jam condition in the certain degree, has reached the effect that improves the tubing coupling practicality.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims (6)

1. An anti-blocking tubing coupling comprises a cylindrical tubing coupling (1) and is characterized in that an anti-blocking antifriction component (2) is movably mounted in the middle of the outer surface of the cylindrical tubing coupling (1);
cylindric tubing coupling (1) is including cylindric coupling (11), barrel hole (12) have been seted up at the middle part of cylindric coupling (11), the upper and lower both ends of barrel hole (12) internal surface all are provided with screw thread (13), the middle part fixed mounting of cylindric coupling (11) surface has sand washing plate (14), guide way (15) have been seted up at the middle part of cylindric coupling (11) surface.
2. An anti-clogging tubing coupling as claimed in claim 1, wherein the shape of the outer surface of the cylindrical coupling (11) is a thick middle and thin two sides, the number of the threads (13) is two, the upper threads (13) and the lower threads (13) on the inner surface of the cylindrical hole (12) are in mirror symmetry, the structure of the sand washing plate (14) is a thick upper and thin middle structure, and the shape of the middle of the sand washing plate (14) is arc.
3. The anti-clogging tubing coupling as claimed in claim 1, wherein the anti-clogging and anti-friction assembly (2) comprises a mounting seat (21), a roller groove (211) is formed in the middle of the front face of the mounting seat (21), a roller shaft (22) is fixedly mounted in the middle of the inner surface of the roller groove (211), a friction roller (23) is movably mounted in the middle of the outer surface of the roller shaft (22), a shaft hole (231) is formed in the middle of the friction roller (23), and a spring (24) is fixedly connected to the back face of the mounting seat (21).
4. An anti-clogging tubing coupling as claimed in claim 3, wherein the outer surface of the mounting seat (21) is movably mounted on the inner surface of the guide groove (15), the size of the spring (24) is matched with the size of the guide groove (15), the size of the friction reducing roller (23) is matched with the size of the roller groove (211), and the tail end of the spring (24) is fixedly connected to the inner surface of the guide groove (15).
5. The anti-clogging tubing coupling as claimed in claim 3, wherein a rod hole (212) is formed in the middle of the back surface of the mounting seat (21), a circular plate groove (213) is formed in the rod hole (212), an anti-loosening rod (25) is movably mounted on the inner surface of the rod hole (212), an anti-loosening circular plate (251) is fixedly mounted at the head end of the anti-loosening rod (25), and the upper side and the lower side of the head part of the mounting seat (21) are provided with inclined surface structures.
6. The anti-clogging tubing coupling as claimed in claim 5, wherein the outer surface of the anti-clogging circular plate (251) is movably mounted on the inner surface of the circular plate groove (213), the tail end of the anti-clogging rod (25) is fixedly mounted on the inner surface of the guide groove (15), and the length of the anti-clogging rod (25) and the length of the circular plate groove (213) correspond to each other.
CN202221456826.5U 2022-06-13 2022-06-13 Anti-blocking type tubing coupling Active CN217681614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221456826.5U CN217681614U (en) 2022-06-13 2022-06-13 Anti-blocking type tubing coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221456826.5U CN217681614U (en) 2022-06-13 2022-06-13 Anti-blocking type tubing coupling

Publications (1)

Publication Number Publication Date
CN217681614U true CN217681614U (en) 2022-10-28

Family

ID=83710025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221456826.5U Active CN217681614U (en) 2022-06-13 2022-06-13 Anti-blocking type tubing coupling

Country Status (1)

Country Link
CN (1) CN217681614U (en)

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