CN214035595U - Well head sealing device for thermal oil extraction - Google Patents
Well head sealing device for thermal oil extraction Download PDFInfo
- Publication number
- CN214035595U CN214035595U CN202120092801.0U CN202120092801U CN214035595U CN 214035595 U CN214035595 U CN 214035595U CN 202120092801 U CN202120092801 U CN 202120092801U CN 214035595 U CN214035595 U CN 214035595U
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- side wall
- threaded rod
- oil recovery
- fixedly connected
- fixed block
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Abstract
The utility model discloses a wellhead sealing device for thermal oil recovery, which comprises a first shell, wherein the inner side wall of the first shell is in threaded connection with a first threaded rod, the top of the first threaded rod is fixedly connected with a first knob, the outer side wall of the first threaded rod is equidistantly arranged and provided with first through holes, the inner side wall of the first shell is integrally formed with an inner threaded part, and the second threaded rod is rotated for the acting point through a second knob to drive an arc-shaped limiting plate to be adjusted to the outer side wall of an oil recovery wellhead, and the utility model is connected and limited with the oil recovery wellhead through the arc-shaped limiting plate, meanwhile, a user can drive the first fixed block to carry out position adjustment by rotating the first threaded rod for the acting point through the first knob, adjust a rubber sealing layer into the oil recovery wellhead through the position adjustment of the first fixed block, and seal the oil recovery wellhead through the rubber sealing layer, make things convenient for the sealed installation of staff to the oil recovery well head, save installation time.
Description
Technical Field
The utility model relates to an oil recovery well head sealing technique field specifically is a well head sealing device for thermal recovery.
Background
The oil extraction engineering is a general term of various engineering technical measures taken on an oil reservoir through a production well and an injection well according to development targets in the oil field exploitation process, is used as a comprehensive application subject, and is used for researching the theory, the engineering design method and the implementation technology of the various engineering technical measures which can economically and effectively act on the oil reservoir to improve the yield of an oil well and the recovery ratio of crude oil.
The existing wellhead sealing device for oil extraction has the following problems:
firstly, most of the existing oil extraction wellhead sealing devices perform sealing treatment on the oil extraction wellhead in a screw, bolt or flange mode, and when the oil extraction wellhead is temporarily sealed, the flange or bolt mode is too complicated, the installation time is long, and the use of workers is inconvenient;
secondly, among the current oil recovery well head, atmospheric pressure in the oil well changes greatly, causes well head sealing device inflation or shrink, after relapseing many times, sealing device's sealing member fatigue resistance descends, can not extend completely after the sealing member shrink, and then can cause gaseous producing from well head sealing device to leak, for this reason, provides a well head sealing device for thermal recovery.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well head sealing device for thermal recovery to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a wellhead sealing device for thermal oil recovery comprises a first shell, wherein a first threaded rod is in threaded connection with the inner side wall of the first shell, a first knob is fixedly connected to the top of the first threaded rod, first through holes are formed in the outer side wall of the first threaded rod in an equidistant mode, an inner threaded part is integrally formed on the inner side wall of the first shell, a first fixed block is fixedly connected to the bottom of the first threaded rod, an outer threaded part is integrally formed on the outer side wall of the first fixed block, a rubber sealing layer is bonded to the lower surface of the first fixed block, a second fixed block is fixedly connected to the lower surface of the first fixed block, springs are mounted in the outer side wall of the second fixed block in an equidistant mode, one side, away from the second fixed block, of each spring is bonded to the inner side wall of the rubber sealing layer, and two first fixed plates are symmetrically and fixedly connected to the lower surface of the first shell, the inside wall symmetry threaded connection of first fixed plate has two second threaded rods, the one end fixedly connected with second knob of second threaded rod, the second threaded rod is kept away from the one end of second knob is rotated through the bearing and is connected with the arc limiting plate, the second through-hole has been seted up to the inside wall equidistance range of second threaded rod.
As further preferable in the present technical solution: a second fixing plate is welded on one side of the first fixing plate, and a third through hole is formed in the inner side wall of the second fixing plate.
As further preferable in the present technical solution: the outer side wall of the first shell is equidistantly arranged and bonded with light reflecting pastes.
As further preferable in the present technical solution: the upper surface symmetry fixedly connected with of first casing has two plate bodys, logical groove has been seted up to the inside wall of plate body.
As further preferable in the present technical solution: and a sealing gasket is bonded on the lower surface of the first fixing block.
As further preferable in the present technical solution: the upper surface of first casing with the equal fixedly connected with stopper of one side of first fixed plate, one side fixedly connected with sleeve pipe of stopper, sheathed tube inside wall sliding connection has the grafting pole.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, in the use of the utility model, two first fixing plates are erected on the outer side wall of the oil extraction well head, and the second threaded rod is rotated for the acting point through the second knob to drive the arc-shaped limiting plate to be adjusted to the outer side wall of the oil extraction well head, and the arc-shaped limiting plate is used for limiting the connection between the oil extraction well head and the utility model, meanwhile, a user rotates the first threaded rod for the acting point through the first knob to drive the first fixing block to carry out position adjustment, the rubber sealing layer is adjusted into the oil extraction well head through the position adjustment of the first fixing block, the oil extraction well head is sealed through the rubber sealing layer, thereby facilitating the sealing installation of a worker on the oil extraction well head and saving the installation time;
two, the utility model discloses an in the middle of the use, through the setting of spring, the rubber sealing layer can extrude the spring after getting into the oil recovery well head is inside, and the spring receives the inside wall that the oil recovery well head was hugged closely to the thrust of formation after the extrusion can drive the rubber sealing layer, increases the leakproofness of oil recovery well head, and the while is through the anti fatigue strength of spring increase rubber sealing layer, avoids oil recovery well mouth department to take place the phenomenon of leaking.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic bottom view of the present invention.
In the figure: 1. a first housing; 2. an internal thread portion; 3. a first threaded rod; 4. a first through hole; 5. a first knob; 6. a first fixed block; 7. a rubber sealing layer; 8. a spring; 9. a second fixed block; 10. an external threaded portion; 11. a first fixing plate; 12. a second threaded rod; 13. a second through hole; 14. a second knob; 15. an arc limiting plate; 16. a second fixing plate; 17. a third through hole; 18. a gasket; 19. a sleeve; 20. a limiting block; 21. a plug rod; 22. a plate body; 23. a through groove; 24. and (5) reflecting the light.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a wellhead sealing device for thermal oil recovery comprises a first shell 1, wherein the inner side wall of the first shell 1 is in threaded connection with a first threaded rod 3, the top of the first threaded rod 3 is fixedly connected with a first knob 5, the outer side wall of the first threaded rod 3 is equidistantly arranged and provided with first through holes 4, the inner side wall of the first shell 1 is integrally formed with an internal threaded part 2, the bottom of the first threaded rod 3 is fixedly connected with a first fixing block 6, the outer side wall of the first fixing block 6 is integrally formed with an external threaded part 10, the lower surface of the first fixing block 6 is bonded with a rubber sealing layer 7, the lower surface of the first fixing block 6 is fixedly connected with a second fixing block 9, the outer side wall of the second fixing block 9 is equidistantly arranged and provided with springs 8, one side of each spring 8, far away from the second fixing block 9, is bonded with the inner side wall of the rubber sealing layer 7, and the lower surface of the first shell 1 is symmetrically and fixedly connected with two first fixing plates 11, the inside wall symmetry threaded connection of first fixed plate 11 has two second threaded rods 12, and the one end fixedly connected with second knob 14 of second threaded rod 12, the one end that second knob 14 was kept away from to second threaded rod 12 are connected with arc limiting plate 15 through bearing rotation, and second through-hole 13 has been seted up to the inside wall equidistance range of second threaded rod 12.
In this embodiment, specifically: a second fixing plate 16 is welded at one side of the first fixing plate 11, and a third through hole 17 is formed in the inner side wall of the second fixing plate 16; through the setting of second fixed plate 16 and third through hole 17, the user can run through the inside of third through hole 17 with the bolt, fixes this device in the assigned position through second fixed plate 16.
In this embodiment, specifically: the outer side wall of the first shell 1 is equidistantly provided with light reflecting stickers 24 in an adhering mode; through the arrangement of the light reflecting sticker 24, light can be reflected when the light irradiates, and therefore the light source is prompted.
In this embodiment, specifically: the upper surface of the first shell 1 is symmetrically and fixedly connected with two plate bodies 22, and the inner side wall of each plate body 22 is provided with a through groove 23; the user can move the device to a desired position for force application through the through slot 23 and the plate 22.
In this embodiment, specifically: the lower surface of the first fixed block 6 is bonded with a sealing gasket 18; the sealing performance of the device can be increased again by the arrangement of the sealing gasket 18.
In this embodiment, specifically: the upper surface of the first shell 1 and one side of the first fixing plate 11 are both fixedly connected with a limiting block 20, one side of the limiting block 20 is fixedly connected with a sleeve 19, and the inner side wall of the sleeve 19 is slidably connected with an inserting rod 21; the sleeve 19 and the insertion rod 21 are supported by the stopper 20, and the insertion rod 21 is inserted into the first through hole 4 and the second through hole 13, so that the rotation of the first threaded rod 3 and the second threaded rod 12 is limited.
Working principle or structural principle, when in use, a user erects two first fixing plates 11 to the outer side wall of the oil production wellhead, and rotates the second threaded rod 12 for an acting point through the second knob 14, the rotation of the second threaded rod 12 can drive the arc limiting plate 15 to carry out position adjustment, the arc limiting plate 15 is adjusted to the outer side wall of the oil production wellhead, and the connection between the oil production wellhead and the limiting plate is limited through the arc limiting plate 15, meanwhile, the user rotates the first threaded rod 3 for the acting point through the first knob 5, the rotation of the first threaded rod 3 can drive the first fixing block 6 to carry out position adjustment, meanwhile, through the arrangement of the internal thread part 2 and the external thread part 10, the moving track of the first fixing block 6 is limited, and the rubber sealing layer 7 is adjusted into the oil production wellhead through the position adjustment of the first fixing block 6, the sealing treatment is carried out on the oil production wellhead through the rubber sealing layer 7, simultaneously the utility model discloses in the middle of through spring 8's setting, the inside wall of oil recovery well head is hugged closely to thrust back through the formation of spring 8 drive rubber sealing layer 7, increase rubber sealing layer 7's fatigue resistance intensity through spring 8 simultaneously, first fixed block 6 simultaneously, internal thread portion 2 and external screw thread portion 10 can avoid rubber sealing layer 7 to produce the phenomenon of removing at will, simultaneously through stopper 20's setting, for sleeve pipe 19 and peg graft pole 21 provide the support, and through inserting the inside of inserting first through-hole 4 and second through-hole 13 with peg pole 21, thereby restrict the rotation of first threaded rod 3 and second threaded rod 12, thereby increase the stability of this device once more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A wellhead sealing device for thermal oil recovery comprises a first shell (1), and is characterized in that: the inner side wall of the first shell (1) is in threaded connection with a first threaded rod (3), the top of the first threaded rod (3) is fixedly connected with a first knob (5), the outer side wall of the first threaded rod (3) is arranged at equal intervals to form first through holes (4), the inner side wall of the first shell (1) is integrally formed with an inner threaded part (2), the bottom of the first threaded rod (3) is fixedly connected with a first fixed block (6), the outer side wall of the first fixed block (6) is integrally formed with an outer threaded part (10), a rubber sealing layer (7) is bonded to the lower surface of the first fixed block (6), the lower surface of the first fixed block (6) is fixedly connected with a second fixed block (9), the outer side wall of the second fixed block (9) is arranged at equal intervals to form and is provided with a spring (8), the spring (8) is far away from one side of the second fixed block (9) and is bonded to the inner side wall of the rubber sealing layer (7), two first fixed plates (11) of lower surface symmetry fixedly connected with of first casing (1), the inside wall symmetry threaded connection of first fixed plate (11) has two second threaded rods (12), the one end fixedly connected with second knob (14) of second threaded rod (12), keep away from second threaded rod (12) the one end of second knob (14) is rotated through the bearing and is connected with arc limiting plate (15), second through-hole (13) have been seted up to the inside wall equidistance range of second threaded rod (12).
2. The wellhead sealing device for thermal oil recovery as set forth in claim 1, wherein: a second fixing plate (16) is welded on one side of the first fixing plate (11), and a third through hole (17) is formed in the inner side wall of the second fixing plate (16).
3. The wellhead sealing device for thermal oil recovery as set forth in claim 1, wherein: the outer side wall of the first shell (1) is equidistantly provided with light reflecting stickers (24) in an adhering mode.
4. The wellhead sealing device for thermal oil recovery as set forth in claim 1, wherein: the upper surface of the first shell (1) is symmetrically and fixedly connected with two plate bodies (22), and a through groove (23) is formed in the inner side wall of each plate body (22).
5. The wellhead sealing device for thermal oil recovery as set forth in claim 1, wherein: and a sealing gasket (18) is bonded on the lower surface of the first fixing block (6).
6. The wellhead sealing device for thermal oil recovery as set forth in claim 1, wherein: the upper surface of first casing (1) with equal fixedly connected with stopper (20) of one side of first fixed plate (11), one side fixedly connected with sleeve pipe (19) of stopper (20), the inside wall sliding connection of sleeve pipe (19) has grafting pole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092801.0U CN214035595U (en) | 2021-01-14 | 2021-01-14 | Well head sealing device for thermal oil extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120092801.0U CN214035595U (en) | 2021-01-14 | 2021-01-14 | Well head sealing device for thermal oil extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214035595U true CN214035595U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120092801.0U Expired - Fee Related CN214035595U (en) | 2021-01-14 | 2021-01-14 | Well head sealing device for thermal oil extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214035595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809971A (en) * | 2022-03-01 | 2022-07-29 | 江苏恒达机械制造有限公司 | Quick sealing device of oil gas exploitation well head |
-
2021
- 2021-01-14 CN CN202120092801.0U patent/CN214035595U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809971A (en) * | 2022-03-01 | 2022-07-29 | 江苏恒达机械制造有限公司 | Quick sealing device of oil gas exploitation well head |
| CN114809971B (en) * | 2022-03-01 | 2023-09-29 | 大庆市璞庆钻采设备制造有限公司 | Quick sealing device for oil gas exploitation wellhead |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 Termination date: 20220114 |