CN219081541U - Auxiliary sealing structure for water injection wellhead device - Google Patents

Auxiliary sealing structure for water injection wellhead device Download PDF

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Publication number
CN219081541U
CN219081541U CN202320192892.4U CN202320192892U CN219081541U CN 219081541 U CN219081541 U CN 219081541U CN 202320192892 U CN202320192892 U CN 202320192892U CN 219081541 U CN219081541 U CN 219081541U
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China
Prior art keywords
plate
water injection
positioning plate
outer side
fixedly connected
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CN202320192892.4U
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Chinese (zh)
Inventor
吴必龙
崔毅
沈文和
朱成江
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Yancheng Yuyang Petroleum Machinery Co ltd
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Yancheng Yuyang Petroleum Machinery Co ltd
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Abstract

The utility model relates to the field of wellhead devices, and in particular discloses an auxiliary sealing structure for a water injection wellhead device, which comprises the following components: the water injection well head device comprises a water injection well head device body, wherein a water injection pipe is arranged at the bottom of the water injection well head device body; the positioning plate is positioned in the water injection pipe, an auxiliary collecting plate is arranged in the positioning plate, the outer side of the upper end of the auxiliary collecting plate is fixedly connected with a side plate, and a slow flow plate is arranged in the positioning plate; the groove moving device comprises a positioning plate, a groove moving device and a groove moving device, wherein the groove moving device is positioned in the positioning plate; the beneficial effects are as follows: the auxiliary collecting plate in the flushing-resistant water injection wellhead device can collect liquid flushed from the bottom inwards, so that the liquid is prevented from directly impacting the inner wall of the water injection wellhead device body.

Description

Auxiliary sealing structure for water injection wellhead device
Technical Field
The utility model relates to the field of wellhead devices, in particular to an auxiliary sealing structure for a water injection wellhead device.
Background
The water injection well head device is one kind of well head device for oil and gas well drilling, and is installed in well head, suspended casing and oil pipe and has sealed annular space between the oil pipe and casing layers.
The water injection wellhead device is fixed with the wellhead through the bottom and is responsible for controlling the pressure and the direction of gas and liquid fluid.
However, after the existing water injection wellhead device works for a long time, the sealing ring can be damaged when the liquid in the existing water injection wellhead device is flushed upwards, the ageing of the sealing ring is accelerated, and then the sealing effect is reduced.
Disclosure of Invention
The utility model aims to provide an auxiliary sealing structure for a water injection wellhead device, which aims to solve the problems that the sealing ring is damaged and the aging of the sealing ring is accelerated when liquid in the water injection wellhead device is flushed upwards in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an auxiliary sealing structure for a water injection wellhead, comprising:
the water injection well head device comprises a water injection well head device body, wherein a water injection pipe is arranged at the bottom of the water injection well head device body;
the positioning plate is positioned in the water injection pipe, an auxiliary collecting plate is arranged in the positioning plate, the outer side of the upper end of the auxiliary collecting plate is fixedly connected with a side plate, and a slow flow plate is arranged in the positioning plate;
the groove moving device comprises a positioning plate, a groove moving device and a groove moving device, wherein the groove moving device is positioned in the positioning plate;
the transmission plate is located inside the locating plate, and the transmission plate outside end is provided with the cardboard, and the cardboard bottom is provided with top spring, transmission plate bottom fixed connection buckle.
Preferably, the water injection pipe is internally provided with clamping grooves corresponding to the mounting blocks, the positioning plate is provided with a tubular structure, the auxiliary collecting plate is made of wear-resistant materials, the auxiliary collecting plate is arranged into a circular truncated cone-shaped structure, and the outer side end of the bottom of the auxiliary collecting plate is fixedly connected with the positioning plate.
Preferably, the side plate is in an annular plate structure, and the outer side end of the side plate is fixedly connected with the positioning plate.
Preferably, a plurality of groups of moving grooves are symmetrically arranged in the positioning plate, pushing springs are arranged in the moving grooves in a social group mode, and the inner ends of the pushing springs are fixedly connected with the positioning plate.
Preferably, the equal fixed connection push pedal of promotion spring outside end, the equal fixed connection installation piece in push pedal bottom, installation piece outside end all set up to the arc, and installation piece outside end all runs through the locating plate and extends to the outside, and the bottom all is provided with the draw-in groove in the middle of the installation piece.
Preferably, the drive plate bilateral symmetry is provided with two sets of, and equal fixed connection buckle in drive plate bottom, and the drive plate outside end all corresponds the installation piece and is provided with multiunit cardboard, and the cardboard sets up to L shaped plate structure, and cardboard riser upper end is located inside the draw-in groove, and the cardboard bottom all is provided with the top spring.
Preferably, the buckle plate is of an annular plate-shaped structure, the outer side end of the buckle plate is provided with a buckle groove, and the buckle groove is of an annular shape.
Compared with the prior art, the utility model has the beneficial effects that:
according to the auxiliary collecting plate in the auxiliary sealing structure for the water injection wellhead device, liquid which is flushed from the bottom can be collected inwards, the flow rate of the liquid can be limited through the cooperation of the auxiliary collecting plate and the slow flow plate, the flushing of the sealing ring is reduced through the reduction of the flow rate of the liquid, the auxiliary sealing effect is achieved, the service life of the sealing ring is prolonged, the auxiliary collecting plate can be supported through the arranged side plates, the auxiliary collecting plate is prevented from being broken, the flow rate of the liquid can be slowed down through the arranged slow flow plate, the positioning plate can be conveniently replaced through the arranged mounting block, and the mounting block can be locked through the clamping plate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a water injection pipe according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a water injection pipe according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
In the figure: the water injection wellhead device comprises a water injection wellhead device body 1, a water injection pipe 2, a positioning plate 3, a moving groove 4, a pushing spring 5, a pushing plate 6, a mounting block 7, a clamping groove 8, a transmission plate 9, a clamping plate 10, an upper top spring 11, an auxiliary collecting plate 12, a side plate 13, a slow flow plate 14 and a pinch plate 15.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.
Referring to fig. 1-5, the present utility model provides a technical solution: an auxiliary sealing structure for a water injection wellhead, comprising:
the water injection well head device comprises a water injection well head device body 1, wherein a water injection pipe 2 is arranged at the bottom of the water injection well head device body 1;
the positioning plate 3, the positioning plate 3 is located inside the water injection pipe 2, the positioning plate 3 is internally provided with an auxiliary gathering plate 12, the liquid is gathered inwards by the auxiliary gathering plate 12, the speed of the liquid is slowed down by the slow flow plate 14, the purpose of flushing resistance is achieved, the outer side of the upper end of the auxiliary gathering plate 12 is fixedly connected with a side plate 13, the positioning plate 3 is internally provided with the slow flow plate 14, the water injection pipe 2 is internally provided with a clamping groove corresponding to the mounting block 7, the positioning plate 3 is provided with a tubular structure, the auxiliary gathering plate 12 is made of wear-resistant materials, the auxiliary gathering plate 12 is provided with a round table-shaped structure, the outer side end of the bottom of the auxiliary gathering plate 12 is fixedly connected with the positioning plate 3, the side plate 13 is provided with an annular plate-shaped structure, and the outer side end of the side plate 13 is fixedly connected with the positioning plate 3;
the groove moving 4 is positioned in the positioning plate 3, a pushing spring 5 is arranged in the groove moving 4, the outer side end of the pushing spring 5 is fixedly connected with a push plate 6, the bottom of the push plate 6 is fixedly connected with a mounting block 7, the mounting block 7 is rubbed with a clamping groove through an arc-shaped outer side end, the mounting block 7 is returned to the groove moving 4, the positioning plate 3 can be removed without limiting the positioning plate 3, a pinch plate 15 in the new positioning plate 3 is pulled down, the upper end of the positioning plate 3 is aligned with the bottom of the water injection pipe 2 and is completely inserted, after the mounting block 7 is clamped into the clamping groove, the pinch plate 15 is loosened, the clamping plate 10 locks the mounting block 7 to finish replacement, the clamping groove 8 is arranged at the middle bottom of the mounting block 7, a plurality of groups of groove moving 4 are symmetrically arranged in the positioning plate 3, the inner side end of the pushing spring 5 is fixedly connected with the positioning plate 3, the outer side end of the pushing spring 5 is fixedly connected with the push plate 6, the bottom of the push plate 6 is fixedly connected with the mounting block 7, the outer side end of the mounting block 7 is arc-shaped, the outer side end of the mounting block 7 penetrates through the positioning plate 3 and extends to the middle bottom of the positioning plate 7, and the clamping groove 8 is arranged at the middle bottom of the mounting block 7;
the drive plate 9, the drive plate 9 is located inside the locating plate 3, the drive plate 9 outside end is provided with cardboard 10, cardboard 10 bottom is provided with top spring 11, drive plate 9 bottom fixed connection buckle 15, at first detain the catching groove in the buckle 15 outside with the finger, pull buckle 15 downwardly, buckle 15 drives the drive plate 9 and moves down, make cardboard 10 leave draw-in groove 8, do not lock installation piece 7, withhold down the pulling with curb plate 13 upper end, the drive plate 9 bilateral symmetry is provided with two sets of, equal fixed connection buckle 15 in drive plate 9 bottom, the drive plate 9 outside end all is provided with multiunit cardboard 10 corresponding installation piece 7, cardboard 10 sets up to L shaped plate structure, cardboard 10 riser upper end is located draw-in groove 8 inside, cardboard 10 bottom all is provided with top spring 11, buckle 15 sets up to annular plate structure, buckle 15 outside end is provided with the catching groove, the catching groove sets up to annular.
When the anti-scouring device is used, liquid moves upwards from the bottom, firstly the gathering plate 12 is assisted to gather the liquid inwards, and the speed of the liquid is slowed down by the slow flow plate 14, so that the anti-scouring purpose is achieved; when the locating plate 3 is replaced, fingers are firstly buckled into the buckling grooves in the outer sides of the buckling plates 15, the buckling plates 15 are pulled downwards, the buckling plates 15 drive the transmission plate 9 to move downwards, the clamping plates 10 are separated from the clamping grooves 8, the upper ends of the side plates 13 are not locked to the mounting blocks 7, the side plates 13 drive the locating plate 3 to move downwards, the mounting blocks 7 rub with the clamping grooves through the arc-shaped outer ends, the mounting blocks 7 return to the moving grooves 4, the locating plate 3 is not limited any more, the locating plate 3 can be taken down, the buckling plates 15 in the new locating plate 3 are pulled down, the upper ends of the locating plate 3 are aligned with the bottoms of the water injection pipes 2 to be completely inserted, after the mounting blocks 7 are clamped into the clamping grooves, the buckling plates 15 are loosened, the clamping plates 10 lock the mounting blocks 7, and replacement is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a water injection well head device is with supplementary seal structure which characterized in that: comprising the following steps:
the water injection well head device comprises a water injection well head device body (1), wherein a water injection pipe (2) is arranged at the bottom of the water injection well head device body (1);
the positioning plate (3), the positioning plate (3) is located inside the water injection pipe (2), an auxiliary collecting plate (12) is arranged inside the positioning plate (3), a side plate (13) is fixedly connected to the outer side of the upper end of the auxiliary collecting plate (12), and a slow flow plate (14) is arranged inside the positioning plate (3);
the movable groove (4), the movable groove (4) is positioned in the positioning plate (3), a pushing spring (5) is arranged in the movable groove (4), the outer side end of the pushing spring (5) is fixedly connected with a push plate (6), the bottom of the push plate (6) is fixedly connected with a mounting block (7), and a clamping groove (8) is formed in the middle bottom of the mounting block (7); and
The transmission plate (9), transmission plate (9) are located inside locating plate (3), and transmission plate (9) outside end is provided with cardboard (10), and cardboard (10) bottom is provided with top spring (11), transmission plate (9) bottom fixed connection buckle (15).
2. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the inside draw-in groove that corresponds installation piece (7) of water injection pipe (2), locating plate (3) set up tubular structure, and supplementary gathering board (12) are constituteed by wear-resisting material, and supplementary gathering board (12) set up to round platform column structure, and supplementary gathering board (12) bottom outside end fixed connection locating plate (3).
3. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the side plates (13) are of annular plate-shaped structures, and the outer side ends of the side plates (13) are fixedly connected with the positioning plates (3).
4. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the positioning plate (3) is internally provided with a plurality of groups of moving grooves (4) in bilateral symmetry, pushing springs (5) are arranged in the moving grooves (4) in a social group mode, and the inner side ends of the pushing springs (5) are fixedly connected with the positioning plate (3).
5. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the push spring is characterized in that the outer side end of the push spring (5) is fixedly connected with the push plate (6), the bottom of the push plate (6) is fixedly connected with the installation block (7), the outer side end of the installation block (7) is arc-shaped, the outer side end of the installation block (7) penetrates through the positioning plate (3) and extends to the outer side, and the middle bottom of the installation block (7) is provided with the clamping groove (8).
6. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the transmission board (9) bilateral symmetry is provided with two sets of, and equal fixed connection buckle (15) in transmission board (9) bottom, and transmission board (9) outside end all corresponds installation piece (7) and is provided with multiunit cardboard (10), and cardboard (10) set up to L shaped structure, and cardboard (10) riser upper end is located draw-in groove (8) inside, and cardboard (10) bottom all is provided with top spring (11).
7. An auxiliary sealing structure for a water injection wellhead according to claim 1, wherein: the buckle plate (15) is of an annular plate-shaped structure, the outer side end of the buckle plate (15) is provided with a buckle groove, and the buckle groove is of an annular shape.
CN202320192892.4U 2023-02-09 2023-02-09 Auxiliary sealing structure for water injection wellhead device Active CN219081541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320192892.4U CN219081541U (en) 2023-02-09 2023-02-09 Auxiliary sealing structure for water injection wellhead device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320192892.4U CN219081541U (en) 2023-02-09 2023-02-09 Auxiliary sealing structure for water injection wellhead device

Publications (1)

Publication Number Publication Date
CN219081541U true CN219081541U (en) 2023-05-26

Family

ID=86388914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320192892.4U Active CN219081541U (en) 2023-02-09 2023-02-09 Auxiliary sealing structure for water injection wellhead device

Country Status (1)

Country Link
CN (1) CN219081541U (en)

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