CN211851812U

CN211851812U - Prevent spouting end cap and prevent spouting formula testing arrangement

Info

Publication number: CN211851812U
Application number: CN201922262935.8U
Authority: CN
Inventors: 史建国; 王新期; 周元海; 黎武; 索斯拉·涛玛
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-11-03
Anticipated expiration: 2029-12-13

Abstract

The utility model provides a prevent spouting formula end cap and prevent spouting formula testing arrangement. The anti-spraying plug comprises a connecting piece, and a first steel wire channel is formed in the connecting piece; the first sealing packing is arranged in the first steel wire channel; the first end of the blowout preventing component is connected with the connecting piece, a second steel wire channel is formed in the blowout preventing component, and the second steel wire channel is communicated with the first steel wire channel; the oil outlet channel is arranged at the first end of the blowout prevention assembly and is communicated with the second steel wire channel; and the second sealing packing is arranged at one end of the second steel wire channel, which is far away from the connecting piece. The utility model provides an among the prior art at the in-process of mechanical paraffin removal, the profit is taken out to the problem of insulation can well site easily.

Description

Prevent spouting end cap and prevent spouting formula testing arrangement

Technical Field

The utility model relates to a petroleum engineering field particularly, relates to a prevent spouting formula end cap and prevent spouting formula testing arrangement.

Background

At present, most of the flowing wells contain various elements in oil during flowing production, as the oil well continues to produce, when the pressure is lower than the saturation pressure, the crude oil can degas in the stratum, three-phase flow is formed near a well bore, and wax is separated from the crude oil and adheres to the wall of a tubing, so that the yield of the oil well is influenced. In order to increase crude oil production, various methods of paraffin removal are required for oil wells, most commonly manual paraffin removal and mechanical paraffin removal. In the working process of mechanical paraffin removal, the steel wire rope is high in lifting speed, and the sealing effect of the sealing disc root of the plug is poor in the lifting process, so that oil and water are easily taken out of the insulation box well field by the steel wire rope. After that, the cleaning is carried out manually, which increases the labor intensity of workers and pollutes the environment.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a prevent spouting formula end cap and prevent spouting formula testing arrangement to solve among the prior art at the in-process of mechanical paraffin removal, the profit is taken out to the problem of insulation can well site easily.

In order to achieve the above object, according to an aspect of the present invention, there is provided a blowout prevention plug, including: the connecting piece is internally provided with a first steel wire channel; the first sealing packing is arranged in the first steel wire channel; the first end of the blowout preventing component is connected with the connecting piece, a second steel wire channel is formed in the blowout preventing component, and the second steel wire channel is communicated with the first steel wire channel; the oil outlet channel is arranged at the first end of the blowout prevention assembly and is communicated with the second steel wire channel; and the second sealing packing is arranged at one end of the second steel wire channel, which is far away from the connecting piece.

Further, the blowout prevention assembly includes: the oil storage tank is provided with an oil storage cavity, the first end of the oil storage tank is connected with the connecting piece, the oil storage cavity of the oil storage tank is communicated with the first steel wire channel, the oil outlet pipe is connected to the side wall of the oil storage tank and located at the first end of the oil storage tank, and the oil outlet pipe is communicated with the oil storage tank; the oil cup, set up the second steel wire channel in the oil cup, the first end of oil cup is connected in the second end of batch oil tank, the second steel wire channel communicates with the oil storage chamber of batch oil tank, and the sealed packing of second sets up in the oil cup.

Further, at least one part of the oil cup is inserted into the oil storage tank and is tightly and hermetically connected with the oil storage tank.

Further, prevent spouting formula end cap still includes into oil pipe, advances oil pipe and connects on the lateral wall of batch oil tank and be located the second end of batch oil tank, advances oil pipe and the oil storage chamber intercommunication of batch oil tank.

Further, the oil outlet pipe and the oil inlet pipe are respectively positioned on two sides of the oil storage tank and extend towards different directions.

Further, the blowout prevention type plug further comprises a drainage tube, the drainage tube is arranged in the oil storage tank, and the oil inlet of the oil inlet tube is guided to the first sealing packing by the drainage tube.

Further, the end surface of the oil inlet end of the oil inlet pipe is parallel to the end surface of the second end of the oil cup.

Further, the end surface of the oil outlet end of the oil outlet pipe is parallel to the end surface of the second end of the oil cup.

Further, the outer peripheral surface of the connecting piece is provided with a sealing thread.

According to the utility model discloses a further aspect provides a prevent spouting formula testing arrangement, including foretell prevent spouting formula end cap.

Use the technical scheme of the utility model, the in-process that wire rope upwards promoted, wire rope's profit is got rid of the part by first sealed packing, still has partial profit to continue the rebound along with wire rope this moment. When the oil water that wire rope carried passes through the sealed packing of second of preventing spouting subassembly upper end, the profit is got rid of totally basically, and the profit of getting rid of is discharged from the oil pipe downwards, and operating personnel only need place the collecting vessel in the exit of oil pipe can. Oil and water on the steel wire rope can not be brought out to a well site of the insulation can, so that the labor intensity of workers is reduced, and the environment is protected.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view illustrating an internal structure of a blowout prevention plug according to an embodiment of the present invention;

wherein the figures include the following reference numerals:

10. a connecting member; 11. a first wire passage; 20. a first seal packing; 30. a blowout prevention assembly; 31. an oil storage tank; 311. an oil storage chamber; 32. an oil cup; 321. a second wire passage; 40. an oil outlet pipe; 50. a second seal packing; 60. an oil inlet pipe; 70. a drainage tube.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve among the prior art at the in-process of mechanical paraffin removal, the problem to the insulation can well site is taken out easily to the profit, the utility model provides a prevent spouting formula end cap and prevent spouting formula testing arrangement, it is specific, prevent spouting formula testing arrangement includes that the following prevents spouting the formula end cap.

As shown in fig. 1, the blowout prevention plug of the present invention comprises a connecting member 10, a first sealing packing 20, a blowout prevention assembly 30, an oil outlet pipe 40, and a second sealing packing 50, wherein a first steel wire channel 11 is formed in the connecting member 10; the first sealing packing 20 is arranged in the first steel wire channel 11; the first end of the blowout preventing assembly 30 is connected with the connecting piece 10, a second steel wire channel 321 is formed in the blowout preventing assembly 30, and the second steel wire channel 321 is communicated with the first steel wire channel 11; the oil outlet passage is arranged at the first end of the blowout preventer 30, and the oil outlet pipe 40 is communicated with the second steel wire passage 321; the second packing set 50 is disposed at an end of the second wire passage 321 away from the connecting member 10.

Use the technical scheme of the utility model, the in-process that wire rope upwards promoted, wire rope's profit is got rid of the part by first sealed packing 20, still has partial profit to continue the rebound along with wire rope this moment. When the oil water carried by the steel wire rope passes through the second sealing packing 50 at the upper end of the blowout prevention assembly 30, the oil water is basically removed completely, the removed oil water is discharged downwards from the oil outlet pipe 40, and an operator only needs to place a collecting barrel at the outlet of the oil outlet pipe 40. Oil and water on the steel wire rope can not be brought out to a well site of the insulation can, so that the labor intensity of workers is reduced, and the environment is protected.

When the first sealing packing 20 arranged in the connecting piece 10 is aged due to long use, the sealing effect of the first sealing packing is further influenced, and at the moment, 50 second sealing packing can still play a role in sealing, so that a double-sealing effect is achieved.

As shown in fig. 1, blowout preventer assembly 30 includes a reservoir 31, a cup 32, reservoir 31 having a reservoir 311, reservoir 31 having a first end connected to coupling 10, reservoir 311 of reservoir 31 communicating with first wire passage 11, a drain line 40 connected at a sidewall of reservoir 31 at the first end of reservoir 31, drain line 40 communicating with reservoir 31; a second steel wire channel 321 is formed in the oil cup 32, the first end of the oil cup 32 is connected to the second end of the oil storage tank 31, the second steel wire channel 321 is communicated with the oil storage cavity 311 of the oil storage tank 31, and the second sealing packing 50 is arranged in the oil cup 32.

In this embodiment, a second wire passage 321 is formed in the oil cup 32, and the second wire passage 321 is communicated with the first wire passage 11 through the oil storage cavity 311. When the oil and water carried by the steel wire rope reaches the second sealing packing 50 through the first sealing packing 20, the remaining oil and water on the steel wire rope can be removed by the second sealing packing 50 and fall into the oil storage cavity 311. Set up the space that oil storage chamber 311 not only can provide storage for profit, can also play certain cushioning effect to the whereabouts of profit when the wire rope motion is very fast, prevent the condition that the splash appears in the export of oil outlet pipe 40.

In this embodiment, the oil cup 32 is provided with a stepped hole, the hole at the upper part is larger, and the hole at the lower part is smaller. The hole that the aperture is little corresponds second steel wire channel 321, and the second sealed packing 50 has been placed to the hole that the aperture is big correspondence, and the terminal surface butt of second sealed packing 50 is on the step face to carry on spacingly to second sealed packing 50. The upper end surface of the second sealing packing 50 is lower than the upper end surface of the oil cup 32, so that lubricating oil can be conveniently added to the second sealing packing 50 in the oil cup 32.

In this embodiment, the oil outlet pipe 40 is communicated with the oil storage cavity 311, and the connection position is located at the lower end of the wall of the oil storage tank 31, so that the oil and water in the oil storage cavity 311 can be discharged in time, and the oil and water is prevented from filling the oil storage cavity 311.

As shown in fig. 1, at least a portion of the oil cup 32 is inserted into the oil reservoir 31 and is tightly and hermetically connected to the oil reservoir 31. In this embodiment, the oil cup 32 has a structure with a large top and a small bottom, and the small end of the oil cup 32 is inserted into the oil storage tank 31, and the two can be fastened and connected by a sealing thread or fastened and sealed by welding. When the lower end of the steel wire rope pulls a heavy cleaning mechanism or a heavy testing mechanism, the steel wire rope is pulled by a winch to move up and down, the steel wire rope inevitably shakes in the pulling process, and the lower end of the oil cup 32 extends into the oil storage cavity 311, so that the steel wire rope can be restrained to shake to a certain extent.

As shown in fig. 1, the blowout preventer plug further includes an oil inlet pipe 60, the oil inlet pipe 60 is connected to a sidewall of the oil storage tank 31 and is located at a second end of the oil storage tank 31, and the oil inlet pipe 60 is communicated with the oil storage chamber 311 of the oil storage tank 31. In this embodiment, the first sealing packing 20 needs to provide lubricating oil for lubrication, and before the blowout prevention plug starts to work or after the blowout prevention plug finishes working, the lubricating oil can be added to the first sealing packing 20 through the oil inlet pipe 60, so as to reduce the friction force between the first sealing packing 20 and the steel wire rope, prevent the premature wear of the first sealing packing 20, and prolong the service life of the first sealing packing 20.

In this embodiment, the oil inlet pipe 60 not only can perform the function of adding lubricating oil, but also can perform the function of discharging gas in the oil storage chamber 311.

In order to ensure that the lubricating oil entering the oil storage cavity 311 from the oil inlet pipe 60 can flow to the first sealing packing 20 relatively accurately, the blowout prevention plug further comprises a drainage pipe 70, the drainage pipe 70 is arranged inside the oil storage tank 31, and the drainage pipe 70 guides the oil entering from the oil inlet pipe 60 to the first sealing packing 20.

In this embodiment, the first sealing packing 20 is disposed in the first wire rope channel, and the lubricating oil needs to pass through the first wire rope channel 11 to be able to flow to the first sealing packing 20 for lubrication. Therefore, one end of the drainage tube 70 is connected to the oil inlet pipe 60, and the other end of the drainage tube 70 is required to be disposed at the first wire passage 11, and during use, the first wire passage 11 is required to pass a wire rope, and in order to prevent the wire rope from rigidly colliding with the drainage tube 70, the drainage tube 70 in this embodiment is a hose.

As shown in fig. 1, the oil outlet pipe 40 and the oil inlet pipe 60 are respectively located at both sides of the oil reservoir 31 and extend in different directions. In this embodiment, in the actual use process, the collecting vessel needs to be placed on one side of the oil outlet pipe 40 to collect the oil and water in the oil storage cavity 311, and even after the work is completed, the collecting vessel still needs to be placed at the oil outlet pipe 40 for a period of time to prevent the oil and water in the oil storage cavity 311 from dropping into the well field of the thermal insulation box. The oil outlet pipe 40 and the oil inlet pipe 60 are located at both sides of the oil storage tank 31 and extend toward different directions, facilitating the operation of an operator.

As shown in FIG. 1, the end surface of the oil inlet end of the oil inlet pipe 60 is parallel to the end surface of the second end of the oil cup 32. In this embodiment, the upper end surface of the oil cup 32 is horizontally disposed during the use process, so that the end surface of the oil inlet end of the oil inlet pipe 60 is horizontally disposed, and the horizontally disposed end surface facilitates the operator to add lubricating oil into the oil inlet pipe 60. In this embodiment, the opening of the oil inlet end of the oil inlet pipe 60 faces upward.

As shown in fig. 1, the end surface of the oil outlet end of the oil outlet pipe 40 is parallel to the end surface of the second end of the oil cup 32. In this embodiment, as above, in the using process of the oil cup 32, the upper end surface is horizontally arranged, the end surface of the oil outlet pipe 40 is also horizontally arranged, the horizontally arranged end surface is also convenient for the operation of the operator, and the oil outlet of the oil outlet pipe 40 faces downward.

As shown in fig. 1, the outer circumferential surface of the connecting member 10 is provided with a sealing thread. In this embodiment, a stepped hole is formed in the connecting member 10, and the hole at the upper end is larger and the hole at the lower end is smaller. The little hole in aperture corresponds first steel wire channel 11, and first sealed packing 20 has been placed to the big hole in aperture correspondence, and the terminal surface butt of first sealed packing 20 is on the step face to carry on spacingly to first sealed packing 20. The upper end surface of the first packing 20 is lower than the upper end surface of the connecting piece 10. The lower end of the oil storage tank 31 may be connected to the upper end of the connecting member 10 by a sealing thread, and the lower end surface of the oil storage tank 31 abuts against the upper end surface of the first packing 20 to perform a limiting function.

The connecting piece 10 needs to be connected with a well head, in the embodiment, the sealing thread is arranged on the outer peripheral surface of the connecting piece 10, the sealing performance of the connecting piece 10 connected with the well head is guaranteed, and oil and water are prevented from leaking out from the connected position.

In order to facilitate the fastening by using a wrench, a boss structure is arranged at the upper end of the connecting piece 10, and the boss structure is of a hexagonal structure along the cross section perpendicular to the axial direction so as to be matched with a bayonet of the wrench, thereby facilitating the fastening connection of the connecting piece 10.

Example two

The difference between this embodiment and the first embodiment lies in that a third sealing packing is arranged in the oil storage cavity 311, the oil storage cavity is opened at the center position of the third sealing packing, and is communicated with the first steel wire channel 11 and the second steel wire channel 321, and the oil outlet pipe 40 is also communicated with the oil storage cavity. At this moment, the drainage tube 70 is not needed to be arranged, a drainage channel can be arranged on the third sealing packing, one end of the drainage channel is communicated with the oil inlet tube 60, and the other end of the drainage channel is communicated with the first steel wire channel 11. In the assembly process, the difficulty of installing the drainage tube 70 is high, and the possibility of friction of a steel wire rope can also occur, and the problem can be avoided by arranging the drainage channel.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blowout preventer plug, comprising:

the steel wire connecting device comprises a connecting piece (10), wherein a first steel wire channel (11) is formed in the connecting piece (10);

a first sealing packing (20), the first sealing packing (20) being disposed within the first wire channel (11);

a blowout prevention assembly (30), wherein a first end of the blowout prevention assembly (30) is connected with the connecting piece (10), a second steel wire channel (321) is formed in the blowout prevention assembly (30), and the second steel wire channel (321) is communicated with the first steel wire channel (11);

a flowline (40), the flowline (40) disposed at a first end of the blowout preventer assembly (30), the flowline (40) in communication with the second wireline channel (321);

and the second sealing packing (50), and the second sealing packing (50) is arranged at one end, far away from the connecting piece (10), of the second steel wire channel (321).

2. The blowout preventer plug according to claim 1, wherein the blowout preventer assembly (30) comprises:

the oil storage tank (31), the oil storage tank (31) is provided with an oil storage cavity (311), the first end of the oil storage tank (31) is connected with the connecting piece (10), the oil storage cavity (311) of the oil storage tank (31) is communicated with the first steel wire channel (11), the oil outlet pipe (40) is connected to the side wall of the oil storage tank (31) and located at the first end of the oil storage tank (31), and the oil outlet pipe (40) is communicated with the oil storage tank (31);

oil cup (32), set up in oil cup (32) second steel wire channel (321), the first end of oil cup (32) connect in the second end of batch oil tank (31), second steel wire channel (321) with oil storage chamber (311) intercommunication of batch oil tank (31), the sealed packing of second (50) set up in oil cup (32).

3. The blowout preventer closure according to claim 2, wherein at least a portion of the oil cup (32) is inserted into the oil reservoir (31) and is connected tightly and sealingly with the oil reservoir (31).

4. The blowout preventer plug according to claim 2, further comprising an oil inlet pipe (60), the oil inlet pipe (60) being connected to a side wall of the oil reservoir (31) and located at a second end of the oil reservoir (31), the oil inlet pipe (60) communicating with a reservoir chamber (311) of the oil reservoir (31).

5. The blowout preventer stopper according to claim 4, wherein the oil outlet pipe (40) and the oil inlet pipe (60) are respectively located on both sides of the oil storage tank (31) and extend in different directions.

6. The blowout preventer plug according to claim 4, further comprising a drain tube (70), wherein the drain tube (70) is disposed inside the storage tank (31), and wherein the drain tube (70) guides an oil inlet of the oil inlet pipe (60) to the first seal packing (20).

7. The blowout preventer plug according to claim 4, wherein an end surface of an oil inlet end of the oil inlet pipe (60) is parallel to an end surface of the second end of the oil cup (32).

8. The blowout preventer plug according to claim 2, wherein an end face of the outlet end of the outlet pipe (40) is parallel to an end face of the second end of the oil cup (32).

9. The blowout preventer plug according to any one of claims 1 to 8, wherein the outer circumferential surface of the connecting piece (10) is provided with a sealing thread.

10. A blowout prevention testing apparatus comprising the blowout prevention plug according to any one of claims 1 to 9.