CN215927315U

CN215927315U - Plugging device in oil well

Info

Publication number: CN215927315U
Application number: CN202122222840.0U
Authority: CN
Inventors: 公慧; 丁辉
Original assignee: Training Center Of Sinopec Shengli Petroleum Engineering Co ltd; Sinopec Oilfield Service Corp; Sinopec Shengli Petroleum Engineering Corp
Current assignee: Training Center Of Sinopec Shengli Petroleum Engineering Co ltd; Sinopec Oilfield Service Corp; Sinopec Shengli Petroleum Engineering Corp
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-01
Anticipated expiration: 2031-09-14

Abstract

The utility model is suitable for the technical field of petroleum exploitation assistance, and discloses a petroleum underground plugging device which comprises a conveying pipe, wherein a plugging cover is movably mounted at the top end of the conveying pipe, fixing rods are fixedly mounted at the front end and the rear end of the top of the conveying pipe, and a fixing plate is fixedly mounted between the top ends of the two groups of fixing rods. According to the utility model, the pushing plate is arranged in the conveying pipe, and the two ends of the pushing rod are respectively connected with the pushing plate and the fixed box through the first rotating shaft and the second rotating shaft, so that when blowout occurs, the pushing plate is directly driven to move upwards on the surface of the supporting rod in the process of moving oil upwards, and then the pushing rod is driven to push the fixed box and the rotating rod on the surface of the fixed box to rotate in the conveying pipe, and the connecting plate and the plugging cover can be limited after the movable rod on the surface of the fixed box passes through the connecting plate and is placed in the corresponding limiting hole.

Description

Plugging device in oil well

Technical Field

The utility model is suitable for the technical field of petroleum exploitation assistance, and particularly relates to a petroleum underground plugging device.

Background

At present, the development of oil exploitation technology is particularly important, the drilling technology is a main supporting technology, but problems easily occur, manual assistance is needed, when a drill bit drills underground, due to the fact that drilling is too deep, extremely severe geological conditions are often met, a large amount of manpower, material resources and financial resources are lost, and severe accidents such as blowout and the like can be caused.

According to patent (the publication number is "CN 212359703U"), plugging device in oil pit, including the girder, the middle part set up threaded hole of girder, the equal fixedly connected with hinge in both ends of girder, the lower fixed surface of girder is connected with the telescopic cylinder, one side fixedly connected with fixed plate of hinge, screw hole middle part swing joint has the threaded rod, the outside cover of telescopic cylinder is equipped with the spring, fastening groove has been seted up to one side of fixed plate, the opposite side fixedly connected with slipmat of fixed plate, one side fixedly connected with fastening belt of fixed plate, one side fixedly connected with fastening bolt of fastening belt, the bottom fixedly connected with resistance to compression plate of spring, first clearing hole has been seted up at resistance to compression plate's middle part, the middle part swing joint of threaded rod has the rubber soft ball. This plugging device in oil well through the cooperation of fastening area with the fixed plate, has saved a large amount of time, has improved work efficiency, and the cooperation of threaded rod and increased pressure board makes the device commonality strong.

However, there are still some disadvantages in the above patents: because in the above patent, when plugging the petroleum pipeline, the rubber soft ball is deformed correspondingly by squeezing, and then the two sides of the rubber soft ball are sealed and attached to the inner wall of the pipeline for plugging treatment, but such a treatment mode requires that an operator manually twists and turns the crank to squeeze the rubber soft ball when a blowout accident occurs inside the pipeline, once the operation is not timely, partial petroleum is easy to overflow along with the blowout to cause the accident, and when the manual operation is performed, the required operation time is more, and the problem that the accident is caused by the overflow of partial petroleum along with the blowout exists. Therefore, we propose an oil plugging device in the pit.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an underground petroleum plugging device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a petroleum underground plugging device comprises a conveying pipe, wherein a plugging cover is movably mounted at the top end of the conveying pipe, fixed rods are fixedly mounted at the front end and the rear end of the top part of the conveying pipe, a fixed plate is fixedly mounted between the top ends of the two fixed rods, a mounting plate is fixedly mounted on the surface of the bottom end of the fixed plate, a connecting rod penetrates through the middle end of the mounting plate and is fixedly mounted, a supporting rod is fixedly mounted on the surface of the bottom end of the mounting plate, a pushing plate is slidably mounted on the surface of the bottom end of the supporting rod, pushing rods are hinged to the left side and the right side of the top end of the pushing plate through first rotating shafts, rotating rods are rotatably sleeved on the surface of the front end of the connecting rod, a fixed box is fixedly mounted on the surface of the bottom end of each rotating rod, the top end of each pushing rod is hinged to the surface of the bottom end of the fixed box through a second rotating shaft, a movable rod penetrates through the side edge of each fixed box, the equal fixed mounting in shutoff lid bottom left and right sides has the connecting plate.

Preferably, every equal fixed mounting in movable rod side top has a fly leaf, every the guide way has all been seted up at both ends about fixed box is inside, and equal slidable mounting in guide way at both ends about the fly leaf.

Preferably, each fixed box is internally and movably sleeved with a pushing spring, and the side edges of the pushing springs are movably attached to the surface of the movable plate.

Preferably, the left side and the right side of the interior of the conveying pipe are fixedly provided with the abutting blocks, and the top end of each movable rod is fixedly provided with the jacking block.

Preferably, the supporting block and the jacking block are triangular, and each of the connecting plate bottom and the left side and the right side inside the top end of the conveying pipe is provided with a limiting hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the petroleum underground plugging device, the push plate, the first rotating shaft, the pushing rod, the second rotating shaft, the rotating rod, the fixed box and the movable rod are used, so that when a blowout occurs in the whole conveying pipe, an operator does not need to manually perform plugging operation, the position of the plugging cover can be fixed, the operation steps required by plugging are reduced, the situation that the plugging cover can perform position fixing plugging processing on the conveying pipe can be guaranteed, and the safety of petroleum conveying is improved.

2. According to the underground petroleum plugging device, the fixed box and the movable rod are guaranteed to rotate and move out of the surface of the abutting block through the abutting block, the movable rod can be driven to penetrate through the connecting plate to be placed in the corresponding limiting hole through reverse pushing of the pushing spring, and plugging efficiency of the plugging cover on the conveying pipe is improved.

Drawings

FIG. 1 is an overall front sectional structure diagram of an underground petroleum plugging device according to the present invention;

fig. 2 is a schematic overall bottom view of the petroleum downhole plugging device according to the present invention.

Reference numerals: 1. a delivery pipe; 2. a blocking cover; 3. fixing the rod; 4. a fixing plate; 5. a connecting plate; 6. mounting a plate; 7. a connecting rod; 8. rotating the rod; 9. a support bar; 10. a push plate; 11. a first rotating shaft; 12. pushing the rod; 13. a second rotating shaft; 14. a limiting hole; 15. a resisting block; 16. a guide groove; 17. a fixing box; 18. a movable rod; 19. pushing the moving block; 20. a movable plate; 21. pushing the spring.

Detailed Description

As shown in fig. 1-2, an oil downhole plugging device comprises a conveying pipe 1, wherein a plugging cover 2 is movably mounted at the top end of the conveying pipe 1, fixing rods 3 are fixedly mounted at the front end and the rear end of the top of the conveying pipe 1, a fixing plate 4 is fixedly mounted between the top ends of the two fixing rods 3, a mounting plate 6 is fixedly mounted at the bottom end of the fixing plate 4, a connecting rod 7 penetrates through the middle end of the mounting plate 6, a supporting rod 9 is fixedly mounted at the bottom end of the mounting plate 6, a pushing plate 10 is slidably mounted at the bottom end of the supporting rod 9, the left side and the right side of the top end of the pushing plate 10 are hinged with a pushing rod 12 through a first rotating shaft 11, a rotating rod 8 is rotatably sleeved on the surface of the front end of the connecting rod 7, a fixing box 17 is fixedly mounted on the surface of the bottom end of each rotating rod 8, and the top end of each pushing rod 12 is hinged on the surface of the bottom end of the fixing box 17 through a second rotating shaft 13, every fixed box 17 side all runs through movable mounting and has a movable rod 18, the equal fixed mounting in 2 bottoms left and right sides of shutoff lid has connecting plate 5.

In this embodiment, as shown in fig. 1 and fig. 2, since the pushing plate 10 is installed inside the conveying pipe 1, and the two ends of the pushing rod 12 are connected with the pushing plate 10 and the fixed box 17 through the first rotating shaft 11 and the second rotating shaft 13, when a blowout occurs, the pushing plate 10 is directly driven to move up on the surface of the supporting rod 9 in the process of moving up oil, and then the pushing rod 12 is driven to push the fixed box 17 and the rotating rod 8 on the surface thereof to rotate inside the conveying pipe 1, until the movable rod 18 on the surface of the fixed box 17 rotates to pass through the connecting plate 5 and is placed inside the corresponding limiting hole 14, the limiting process can be performed on the connecting plate 5 and the plugging cover 2, so that the whole device does not need an operator to perform a plugging operation manually when the blowout occurs, the operation steps required for plugging are reduced, and the plugging cover 2 can be ensured to perform a position fixing plugging process on the conveying pipe 1, the safety of oil transportation is improved.

In this embodiment (as shown in fig. 1 and fig. 2), a movable plate 20 is fixedly mounted at the top end of the side edge of each movable rod 18, guide grooves 16 are respectively formed at the upper end and the lower end of each fixed box 17, and the upper end and the lower end of each movable plate 20 are slidably mounted in the guide grooves 16, so that the movable plates 20 can only horizontally move in the fixed boxes 17 after being pressed by the movable rods 18.

In this embodiment (as shown in fig. 1 and fig. 2), each pushing spring 21 is sleeved inside the fixed box 17 in a movable manner, and the side edge of the pushing spring 21 is movably attached to the surface of the movable plate 20, because the surface of the movable rod 18 is provided with the pushing block 19, when the fixed box 17 and the movable rod 18 are driven by oil blowout to rotate, the inclined surface of the top block 19 is pressed by the inclined surface of the pushing block 18 to drive the movable rod 18 to press inside the fixed box 17, so as to push the pushing spring 21 to compress, and after the fixed box 17 and the movable rod 18 are rotated and moved out of the surface of the pushing block 18, the reverse pushing of the pushing spring 21 can drive the movable rod 18 to pass through the connecting plate 5 to be placed inside the corresponding limiting hole 14, thereby improving the plugging efficiency of the plugging cover 2 on the conveying pipe 1.

In this embodiment (as shown in fig. 1 and 2), the abutting blocks 15 are fixedly mounted on the left and right sides inside the conveying pipe 1, and the top end of each movable rod 18 is fixedly mounted with an abutting block 19, so that the movable rods 18 can move to the inside of the fixed box 17 while rotating.

In this embodiment (as shown in fig. 1 and 2), the abutting blocks 15 are fixedly mounted on the left side and the right side inside the conveying pipe 1, each abutting block 19 is fixedly mounted on the top end of the movable rod 18, and it is ensured that the abutting blocks 19 can abut against and push the movable rod 18 after contacting the surface of the abutting blocks 15

It should be noted that the utility model is an oil downhole plugging device, the components are all general standard components or components known by technicians in this neighborhood, the structure and principle of the device can be known by technicians in this technical manual or by conventional experimental methods, when working, the conveying pipe 1 is placed at a corresponding conveying position, the plugging cover 2 is placed at the top of the corresponding conveying pipe 1, when a blowout occurs, the oil moves up, the pushing plate 10 is directly driven to move up on the surface of the supporting rod 9, the pushing rod 12 is driven to push the fixed box 17 and the rotating rod 8 on the surface to rotate in the conveying pipe 1, until the movable rod 18 moves and bounces to the corresponding limiting hole 14, the plugging cover 2 is limited, and the oil is plugged, compared with the traditional oil exploitation auxiliary technology, the device is provided with the pushing plate 10 in the conveying pipe 1, and the two ends of the butting rod 12 are respectively connected with the pushing plate 10 and the fixed box 17 through the first rotating shaft 11 and the second rotating shaft 13, when a blowout occurs, the pushing plate 10 is directly driven to move upwards on the surface of the supporting rod 9 in the process of moving oil upwards, the butting rod 12 is driven to push the fixed box 17 to rotate together with the rotating rod 8 on the surface of the fixed box 17 inside the conveying pipe 1, and the connecting plate 5 and the plugging cover 2 can be limited until the movable rod 18 on the surface of the fixed box 17 rotates to penetrate through the connecting plate 5 and is placed inside the corresponding limiting hole 14, so that the plugging operation is not required to be manually performed by an operator when the blowout occurs in the whole device, the operation steps required by plugging are reduced, the plugging cover 2 can be ensured to perform position fixing plugging processing on the conveying pipe 1, and the safety of oil conveying is improved.

Claims

1. The utility model provides a plugging device in oil well, includes conveyer pipe (1), its characterized in that: conveyer pipe (1) top movable mounting has shutoff lid (2), the equal fixed mounting in both ends has dead lever (3), and is two sets of around conveyer pipe (1) top fixed mounting has fixed plate (4) between dead lever (3) top, fixed plate (4) bottom fixed surface installs mounting panel (6), mounting panel (6) middle-end runs through fixed mounting and has connecting rod (7), mounting panel (6) bottom fixed surface installs bracing piece (9), bracing piece (9) bottom surface slidable mounting has slurcam (10), slurcam (10) top left and right sides all articulates through first pivot (11) has to be moved pole (12), connecting rod (7) front end surface rotates and has cup jointed dwang (8), every dwang (8) bottom surface equal fixed mounting has fixed box (17), every move pole (12) top all articulates in fixed box (17) bottom through second pivot (13) and moves pole (12) and connect in fixed box (17) bottom The surface, every fixed box (17) side all runs through movable mounting and has movable rod (18), the equal fixed mounting in both sides has connecting plate (5) about shutoff lid (2) bottom.

2. An oil downhole plugging device according to claim 1, wherein: every equal fixed mounting in movable rod (18) side top has a fly leaf (20), every guide way (16) have all been seted up at fixed box (17) inside upper and lower both ends, and both ends all slidable mounting is inside in guide way (16) about fly leaf (20).

3. An oil downhole plugging device according to claim 1, wherein: each fixed box (17) is internally and movably sleeved with a pushing spring (21), and the side edges of the pushing springs (21) are movably attached to the surface of the movable plate (20).

4. An oil downhole plugging device according to claim 1, wherein: the conveying pipe (1) is internally provided with a supporting block (15) at the left side and a supporting block (19) at the top end of the movable rod (18).

5. An oil downhole plugging device according to claim 4, wherein: the supporting block (15) and the pushing block (19) are triangular, and each limiting hole (14) is formed in the bottom of the connecting plate (5) and the left side and the right side of the inside of the top end of the conveying pipe (1).