Split type blowout wrecking plug valve for workover treatment

By introducing quick-drive and fixed components into the oil drilling plug valve, the problem of low efficiency in manual operation of the plug valve is solved, enabling quick disassembly and foreign matter filtration, enhancing impact resistance, and improving working efficiency and equipment life.

CN223754062UActive Publication Date: 2026-01-02郭庆 +4
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Patent Information

Application Number
CN202520647785.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-02
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

In existing oil drilling and production processes, the valve core of the plug valve needs to be opened or closed manually, which is inefficient and lacks effective foreign matter filtering and shock resistance.

Method used

A split-type emergency spray valve for well workover operations was designed. It adopts a quick-drive component and a fixed component, combined with a servo motor to drive the valve core, enabling quick disassembly and closure. It is equipped with a sand settling chamber and a filter barrel for foreign matter filtration and enhances its impact resistance.

Benefits of technology

It enables rapid operation of the plug valve, reduces maintenance costs, improves work efficiency, has strong impact resistance and foreign matter filtering function, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of underground operation equipment, and particularly relates to a split type blowout wrecking plug valve for workover treatment, which comprises a main body connecting pipeline and further comprises a quick driving assembly arranged on the surface of the connecting pipeline, the quick driving assembly comprises a valve body arranged on the surface of the connecting pipeline, a valve cover is arranged on the upper surface of the valve body, and the valve cover is arranged on the lower surface of the valve body. A plug valve element is rotationally connected to the inner surface of the valve body, a rotating shaft is fixedly connected to the surface of the plug valve element, a driving shell is installed on the upper surface of the valve deck, and the driving shell, the valve deck and the valve body are all rotationally connected with the plug valve element. And a mounting base is fixedly connected to the inner surface of the driving shell. The device can be quickly disassembled, the maintenance cost is reduced, the plug valve element can be quickly closed or opened, foreign matter can be filtered, and the impact resistance is high.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to downhole operation equipment technical field, concretely relates to well work over operation split type blowout prevention stopcock valve. BACKGROUND

[0002] Petroleum drilling refers to the process of exploiting underground petroleum resources through drilling technology, and the stopcock valve plays a crucial role in the process of petroleum drilling. The stopcock valve realizes throttling by adjusting the flow passage area of the valve core. It not only helps to ensure the safety and stability of the drilling process, but also improves the efficiency of oil and gas collection. It is one of the important components in the process of petroleum drilling.

[0003] According to the search, the public (announcement) number: CN222416130U discloses a throttling mechanism of a stopcock valve for petroleum drilling. This technology discloses the technical scheme of "including a valve seat, the top of the valve seat is provided with a valve body, the two ends of the valve body are respectively connected with a No. Flange plate and a No. Flange plate, etc. It has the technical effect of effectively improving the throttling effect".

[0004] In this existing design, the flow of fluid is controlled by using a throttling orifice plate. However, the opening or closing of the valve core in the existing technology needs to be manually operated, which is inefficient.

[0005] Therefore, the well work over operation split type blowout prevention stopcock valve is designed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] To solve the problems raised in the background technology, the utility model provides a well work over operation split type blowout prevention stopcock valve. This device can be quickly disassembled, reducing maintenance costs, and can quickly close or open the stopcock valve. It can filter foreign matter and has strong impact resistance.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a well work over operation split type blowout prevention stopcock valve, comprising a main body connecting pipeline, further comprising a quick drive assembly arranged on the surface of the connecting pipeline, the quick drive assembly comprising a valve body mounted on the surface of the connecting pipeline, a valve cover mounted on the upper surface of the valve body, a plug valve core rotatably connected to the inner surface of the valve body, a shaft fixedly connected to the surface of the plug valve core, a drive shell mounted on the upper surface of the valve cover, the drive shell, the valve cover and the valve body are rotatably connected with the plug valve core, an installation seat fixedly connected to the inner surface of the drive shell, a servo motor mounted on the surface of the installation seat, a transmission rod fixedly connected to the output shaft of the servo motor, the transmission rod and the drive shell are rotatably connected, a transmission gear fixedly connected to the surface of the transmission rod, another transmission gear meshingly connected to the surface of the transmission gear, the other transmission gear and the shaft are fixedly connected, and a back cover is installed on one side surface of the drive shell through bolts.

[0008] As the utility model discloses well work split type blowout preventer plug valve is preferred, the valve body is Y type design;

[0009] As the utility model discloses well work split type blowout preventer plug valve is preferred, the surface fixedly connected with sand trap of valve body, the inside surface of sand trap is slidably connected with filter barrel, the inside surface of sand trap is slidably connected with sealing disc, one side of filter barrel is fixedly connected with threaded head, and the threaded head and the threaded connection of the connecting end of sand trap and sealing disc are connected;

[0010] As the utility model discloses well work split type blowout preventer plug valve is preferred, the filter hole of filter barrel surface is designed as the design of big head outside and small head inside;

[0011] As the utility model discloses well work split type blowout preventer plug valve is preferred, further include the fixed assembly of setting at the surface of sealing disc;

[0012] The fixed assembly includes the connecting seat fixedly connected at the surface of sealing disc, the surface of connecting seat is rotatably connected with rotary piece, the surface of rotary piece is slidably connected with sliding block, the surface of sliding block is fixedly connected with connecting rod, one end of connecting rod away from sliding block is fixedly connected with clamping plate, and clamping plate and sand trap are slidably connected;

[0013] As the utility model discloses well work split type blowout preventer plug valve is preferred, one end of rotary piece is fixedly connected with limit head, the surface of limit head is rotatably connected with push plate, and push plate and sliding block are slidably connected, the surface of rotary piece is sleeved with limit spring, one end of limit spring is fixedly connected with limit head, and one end of limit spring away from limit head is fixedly connected with sliding block;

[0014] As the utility model discloses well work split type blowout preventer plug valve is preferred, and the fixed assembly of several groups opposite sides is distributed on the surface of sealing disc;

[0015] Compared with prior art, the utility model has the advantages that the quick driving assembly is added on the application to carry out quick disassembly, reduces maintenance cost, can quickly close or open plug valve, can filter foreign matter, has strong impact resistance, and at the same time, the fixed assembly is added, so that the filtered foreign matter can be quickly cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the valve body in the utility model;

[0019] Figure 3 It is the structure schematic view of the transmission rod in the utility model;

[0020] Figure 4 It is the structure schematic view of the filter barrel in the utility model;

[0021] Figure 5 It is the structure schematic view of the slide rod in the utility model;

[0022] Figure 6 It is the structure schematic view of the limiting spring in the utility model;

[0023] In the drawing,

[0024] 1, connecting pipeline;

[0025] 2, quick drive assembly; 21, valve body; 22, valve cover; 23, plug valve core; 24, rotating shaft; 25, drive shell; 26, transmission gear; 27, transmission rod; 28, mounting seat; 29, servo motor; 210, back cover; 211, sand trap; 212, filter barrel; 213, threaded head; 214, sealing disc;

[0026] 3, fixed assembly; 31, connecting seat; 32, rotating piece; 33, sliding block; 34, connecting rod; 35, clamping plate; 36, limiting head; 37, push plate; 38, limiting spring. DETAILED DESCRIPTION

[0027] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Embodiment 1

[0029] As shown in the drawing; Figure 1

[0030] The well repair operation split type blowout prevention plug valve comprises a main body connecting pipeline 1.

[0031] ​In this embodiment: when the medium in the prior art flows through the first or second throttle orifice plate, personnel can precisely control the flow of the fluid by changing the size and shape of the through hole on the first or second throttle orifice plate, realize the throttling effect, and the flow guide groove on the inside of the through flow channel can guide the flow of the medium, which is helpful for the flow of the medium. For specific working process, please refer to "CN222416130U discloses a throttling mechanism of a petroleum drill using a plug valve", but since the opening or closing of the valve core in the prior art needs to be manually operated, the efficiency is low. In order to solve this technical problem, the quick driving assembly 2 and the fixing assembly 3 are added on this basis.

[0032] Further, as shown in the drawings:

[0033] As shown in the drawings: Figures 1 to 4

[0034] In combination with the above content: the surface of the main body connecting pipeline 1 is provided with a quick driving assembly 2, the quick driving assembly 2 includes a valve body 21 installed on the surface of the connecting pipeline 1, a valve cover 22 installed on the upper surface of the valve body 21, a plug valve core 23 rotationally connected to the inner surface of the valve body 21, a rotating shaft 24 fixedly connected to the surface of the plug valve core 23, a driving shell 25 installed on the upper surface of the valve cover 22, the driving shell 25, the valve cover 22 and the valve body 21 are all rotationally connected with the plug valve core 23, an installation seat 28 fixedly connected to the inner surface of the driving shell 25, a servo motor 29 installed on the surface of the installation seat 28, a transmission rod 27 fixedly connected to the output shaft of the servo motor 29, the transmission rod 27 and the driving shell 25 are rotationally connected, a transmission gear 26 fixedly connected to the surface of the transmission rod 27, another transmission gear 26 meshingly connected to the surface of the transmission gear 26, the other transmission gear 26 and the rotating shaft 24 are fixedly connected, and a back cover 210 installed on one side surface of the driving shell 25 through bolts.

[0035] In this embodiment: turn on the switch of the servo motor 29, so that it drives the transmission rod 27 to rotate, the transmission rod 27 drives the two transmission gears 26 to rotate, so that the rotating shaft 24 rotates, and the rotating shaft 24 drives the plug valve core 23 to rotate in the valve body 21. Without manually rotating the plug valve core 23, the plug valve core 23 can be quickly opened or closed, the working efficiency is improved, and it is convenient for the workers to use.

[0036] It should be noted that: the main body connecting pipeline 1, the valve body 21, the valve cover 22 and the driving shell 25 are all connected by flanges and bolts, which is convenient for quick disassembly and reduces maintenance cost.

[0037] Further, as shown in the drawings:

[0038] In an optional embodiment, the valve body 21 is designed in Y shape.

[0039] ​In the embodiment, the valve body 21 is designed in Y shape, which can reduce the impact of fluid on the valve body 21 and prolong the service life of the device.

[0040] Further,

[0041] In an optional embodiment, the surface of the valve body 21 is fixedly connected with a sand trap 211, the inner surface of the sand trap 211 is slidably connected with a filter barrel 212, the inner surface of the sand trap 211 is slidably connected with a sealing disc 214, one side of the filter barrel 212 is fixedly connected with a threaded head 213, and the threaded head 213 is threadedly connected with the connecting end of the sand trap 211 and the sealing disc 214.

[0042] In the embodiment, the sand trap 211 is arranged on the surface of the valve body 21, and the filter barrel 212 is installed in the sand trap 211 through the threaded head 213, so that foreign matters are filtered, and the sand erosion resistance and corrosion resistance are enhanced.

[0043] Further,

[0044] In an optional embodiment, the filter hole formed in the surface of the filter barrel 212 is designed as large head on the outside and small head on the inside.

[0045] In the embodiment, the filter hole formed in the surface of the filter barrel 212 is designed as large head on the outside and small head on the inside, so that foreign matters can be left in the filter barrel 212, and the foreign matters in the filter barrel 212 can be cleaned regularly.

[0046] Further,

[0047] In an optional embodiment, the sealing disc 214 further comprises a fixing assembly 3 arranged on the surface of the sealing disc 214, the fixing assembly 3 comprises a connecting seat 31 fixedly connected with the surface of the sealing disc 214, a rotating piece 32 rotatably connected with the surface of the connecting seat 31, a sliding block 33 slidably connected with the surface of the rotating piece 32, a connecting rod 34 fixedly connected with the surface of the sliding block 33, and a clamping plate 35 fixedly connected with one end of the connecting rod 34 away from the sliding block 33, and the clamping plate 35 is slidably connected with the sand trap 211.

[0048] In the embodiment, the connecting seat 31 is arranged on the surface of the sealing disc 214, the rotating piece 32 rotates in the connecting seat 31, the sliding block 33 slides in the rotating piece 32 to drive the clamping plate 35 to move, the angle of the clamping plate 35 is adjusted, and the clamping plate 35 can be clamped on the connecting end of the sand trap 211.

[0049] Further,

[0050] In an optional embodiment, one end of the rotating piece 32 is fixedly connected with a limiting head 36, the surface of the limiting head 36 is rotationally connected with a push plate 37, the push plate 37 is slidingly connected with the sliding block 33, the surface of the rotating piece 32 is sleeved with a limiting spring 38, one end of the limiting spring 38 is fixedly connected with the limiting head 36, and the other end of the limiting spring 38 away from the limiting head 36 is fixedly connected with the sliding block 33.

[0051] In the embodiment, the limiting head 36 can limit the sliding block 33, the push plate 37 is pushed to be clamped at the bottom of the rotating piece 32, the sliding block 33 slides in the push plate 37, the clamping plate 35 is clamped at the same time, the limiting spring 38 is moved, and the fixing effect of the device is increased.

[0052] Further,

[0053] In an optional embodiment, the surfaces of the sealing disc 214 are oppositely distributed with several groups of the fixing assembly 3.

[0054] In the embodiment, the surfaces of the sealing disc 214 are oppositely distributed with several groups of the fixing assembly 3, so that the sealing disc 214 can be fixed on the sand setting bin 211.

[0055] Working principle: the staff opens the switch of the servo motor 29, drives the transmission rod 27 to rotate, drives the two transmission gears 26 to rotate, drives the rotating shaft 24 to rotate, drives the plug valve element 23 to rotate in the valve body 21, does not need to manually rotate the plug valve element 23, can quickly open or close the plug valve element 23, improves the working efficiency, and is convenient for the staff to use. The valve body 21 is designed in a Y shape, so that the impact force of the fluid on the valve body 21 is reduced, and the service life of the device is prolonged. The sand setting bin 211 is arranged on the surface of the valve body 21, the filtering barrel 212 is installed in the sand setting bin 211 through the threaded head 213, foreign matters are filtered, the sand erosion resistance and corrosion resistance are enhanced. The filtering hole arranged on the surface of the filtering barrel 212 is designed in a large head on the outside and a small head on the inside, so that the foreign matters can be left in the filtering barrel 212. The foreign matters in the filtering barrel 212 are cleaned at regular intervals. The connecting seat 31 is arranged on the surface of the sealing disc 214, the rotating piece 32 rotates in the connecting seat 31, the sliding block 33 slides in the rotating piece 32 to drive the clamping plate 35 to move, the angle of the clamping plate 35 is adjusted, the clamping plate 35 can be clamped on the connecting end of the sand setting bin 211, the limiting head 36 can limit the sliding block 33, the push plate 37 is pushed to be clamped at the bottom of the rotating piece 32, the sliding block 33 slides in the push plate 37, the clamping plate 35 is clamped at the same time, the limiting spring 38 is moved, and the fixing effect of the device is increased. The surfaces of the sealing disc 214 are oppositely distributed with several groups of the fixing assembly 3, so that the sealing disc 214 can be fixed on the sand setting bin 211.

[0056] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A split blowout preventer valve for workover operations, comprising a main body connecting pipe (1), characterized in that: It also includes a quick drive assembly (2) arranged on the surface of the connecting pipeline (1); The quick drive assembly (2) comprises a valve body (21) arranged on the surface of the connecting pipeline (1), the upper surface of the valve body (21) is provided with a valve cover (22), the inner surface of the valve body (21) is rotatably connected with a plug valve core (23), the surface of the plug valve core (23) is fixedly connected with a rotating shaft (24), the upper surface of the valve cover (22) is provided with a drive shell (25), the drive shell (25), the valve cover (22) and the valve body (21) are rotatably connected with the plug valve core (23), the inner surface of the drive shell (25) is fixedly connected with a mounting seat (28), the surface of the mounting seat (28) is provided with a servo motor (29), the output shaft of the servo motor (29) is fixedly connected with a transmission rod (27), the transmission rod (27) is rotatably connected with the drive shell (25), the surface of the transmission rod (27) is fixedly connected with a transmission gear (26), the surface of the transmission gear (26) is meshingly connected with another transmission gear (26), the other transmission gear (26) is fixedly connected with the rotating shaft (24), and one side surface of the drive shell (25) is provided with a back cover (210) through bolts.

2. The split-body blowout preventer plug valve for workover operations of claim 1, wherein: The valve body (21) is designed in Y shape.

3. The split-body blowout preventer plug valve for workover operations of claim 2, wherein: The surface of the valve body (21) is fixedly connected with a sand settling tank (211), the inner surface of the sand settling tank (211) is slidably connected with a filter barrel (212), the inner surface of the sand settling tank (211) is slidably connected with a sealing disc (214), one side of the filter barrel (212) is fixedly connected with a threaded head (213), and the threaded head (213) and the sand settling tank (211) are threadedly connected with the connecting end of the sealing disc (214).

4. The split-body blowout preventer plug valve for workover operations of claim 3, wherein: The filter hole formed in the surface of the filter barrel (212) is designed as large head on the outer side and small head on the inner side.

5. The split-body blowout preventer plug valve for workover operations of claim 4, wherein: It also comprises a fixing assembly (3) arranged on the surface of the sealing disc (214); The fixing assembly (3) comprises a connecting seat (31) fixedly connected with the surface of the sealing disc (214), the surface of the connecting seat (31) is rotatably connected with a rotating piece (32), the surface of the rotating piece (32) is slidably connected with a sliding block (33), the surface of the sliding block (33) is fixedly connected with a connecting rod (34), one end of the connecting rod (34) away from the sliding block (33) is fixedly connected with a clamping plate (35), and the clamping plate (35) is slidably connected with the sand settling tank (211).

6. The split-body blowout preventer plug valve for workover operations of claim 5, wherein: One end of the rotating piece (32) is fixedly connected with a limiting head (36), the surface of the limiting head (36) is rotatably connected with a push plate (37), the push plate (37) is slidably connected with the sliding block (33), the surface of the rotating piece (32) is sleeved with a limiting spring (38), one end of the limiting spring (38) is fixedly connected with the limiting head (36), and the other end of the limiting spring (38) away from the limiting head (36) is fixedly connected with the sliding block (33).

7. The split-body blowout preventer plug valve for workover operations of claim 6, wherein: Several groups of said fixing elements (3) are distributed on the surface of said sealing disc (214) on opposite sides.

Citation Information

Patent Citations

  • Throttling mechanism of plug valve for oil drilling and production

    CN222416130U