CN208380548U - Gas well valve allowing pressurized maintenance tool - Google Patents
Gas well valve allowing pressurized maintenance tool Download PDFInfo
- Publication number
- CN208380548U CN208380548U CN201821045110.XU CN201821045110U CN208380548U CN 208380548 U CN208380548 U CN 208380548U CN 201821045110 U CN201821045110 U CN 201821045110U CN 208380548 U CN208380548 U CN 208380548U
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- China
- Prior art keywords
- pull rod
- valve
- top board
- lower platen
- snap
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Abstract
The utility model discloses a kind of gas well valve allowing pressurized maintenance tool, including lower platen, top board, pull rod, mandril and chuck, lower platen with the bottom of the valve body of valve for abutting；The both ends of pull rod are connect with lower platen and top board respectively so that lower platen and top board are adjustable along the extending direction position of pull rod；Mandril is opposite along the valve rod that the extending direction position of pull rod is adjustably threaded through in top board and with valve；Mandril is used for the end abutment with valve rod and holds out against valve rod under the traction action of pull rod；Chuck is for being removably attached on pull rod clamping the valve pocket of valve to replace sealing element, so as to quickly replace the sealing element on valve, guarantee the normal production in oil field in the case where wellhead assembly is not out of service.Solve the problems, such as in the prior art using it is with pressure change valve or kill-job operation replacement wellhead assembly sealing element security risk it is larger.
Description
Technical field
The utility model relates to oil-field well head device maintenance of equipment fields, with pressure in particular to a kind of gas well valve
Maintenance tool.
Background technique
Currently, Some Domestic gas field gas well christmas tree master control valve due in reasons in structure, long-time service damage and
The joint effect of the factors such as sealing element aging is easy to appear interior leakage, leaks outside, switchs the events such as difficult, screw rod fracture, copper nut damage
Barrier.Well head big four is used by scene for a long time simultaneously, and various sealing ring agings, failure lead to lower suspension gas production wellhead
Big four jackscrew bears high pressure；Due to jackscrew be by big four outside pressure cap the extruding of internal packing is realized in jackscrew
The sealing of portion's gas, when well head lacks daily maintenance, well head is under high-pressure work state for a long time, and it is big by four just to will appear well head
Logical jackscrew gas permeation phenomenon, this all brings great risk to gas field safety in production.
Since these positions belong to without controlling position, traditional administering method be it is with pressure change valve or kill-job operation is rectified and improved, at
This height, well control safety risk is big, and kill-job is larger to reservoir damage, is unfavorable for playing gas well deliverability.It would therefore be desirable to have specific aims
Ground carries out rectification improvement to such gas well mouth hidden danger.
Summary of the invention
The main purpose of the utility model is to provide a kind of gas well valve allowing pressurized maintenance tools, at least to solve existing skill
Valve or the larger problem of kill-job operation replacement wellhead assembly sealing element security risk are changed using with pressure in art.
To achieve the goals above, the utility model provides a kind of gas well valve allowing pressurized maintenance tool, comprising: lower platen
And top board, lower platen with the bottom of the valve body of valve for abutting；Pull rod, the both ends of pull rod respectively with lower platen and top board
Connection is so that lower platen and top board are adjustable along the extending direction position of pull rod；Mandril, the extending direction position along pull rod is adjustable
Ground is threaded through in top board and opposite with the valve rod of valve；Mandril is used for the end abutment with valve rod and under pull rod traction action
Valve rod is held out against；Chuck, for being removably attached on pull rod clamping the valve pocket of valve to replace sealing element.
Further, pull rod includes: the first pull rod, and the first end position of the first end of the first pull rod and lower platen is adjustably
Connection, the second end of the first pull rod and the first end position of top board adjustably connect.
Further, the first end of lower platen and the first end of top board offer via hole, the first end of the first pull rod
It is threaded through in the via hole of the first end of lower platen, the second end of the first pull rod is threaded through in the via hole of the first end of top board；Its
In, the first end and second end of the first pull rod is provided with stop nut, and the first end and second end of the first pull rod passes through respectively
Stop nut is with lower platen and top board clamping to limit.
Further, the first pull rod includes: the first segment body and the second segment body, and the first segment body and the second segment body pass through the first lock
Tight nut removably locks connection.
Further, pull rod further include: the second pull rod, the first end of the second pull rod and the second end position of lower platen are adjustable
Ground connection, the second end of the second pull rod and the second end position of top board adjustably connect.
Further, the second end of lower platen and the second end of top board offer via hole, the first end of the second pull rod
It is threaded through in the via hole of the second end of lower platen, the second end of the second pull rod is threaded through in the via hole of the second end of top board；Its
In, the first end and second end of the second pull rod is provided with stop nut, and the first end and second end of the second pull rod passes through respectively
Stop nut is with lower platen and top board clamping to limit.
Further, the second pull rod includes: third segment body and the 4th segment body, and third segment body and the 4th segment body pass through the second lock
Tight nut removably locks connection.
Further, screw hole is offered on top board, mandril is screw rod, and mandril is threaded through in screw hole to adjust and valve rod
Relative position.
Further, chuck includes: the first snap-gauge and the second snap-gauge, the first snap-gauge and the second snap-gauge is opposite fastens with by valve
Set is clamped between the first snap-gauge and the second snap-gauge.
Further, it is provided with the first arc groove on the first snap-gauge, is provided on the second snap-gauge corresponding with the first arc groove
The second arc groove, the first snap-gauge and the second snap-gauge are opposite when fastening, and the first arc groove and the second arc groove enclose cylindricality sky
Between, valve pocket is clamped in cylindrical space.
Using the gas well valve allowing pressurized maintenance tool of technical solutions of the utility model, including lower platen, top board, pull rod,
Mandril and chuck, lower platen with the bottom of the valve body of valve for abutting；The both ends of pull rod connect with lower platen and top board respectively
It connects so that lower platen and top board are adjustable along the extending direction position of pull rod；Mandril is adjustably worn along the extending direction position of pull rod
It is located in top board and opposite with the valve rod of valve；Mandril is used for the end abutment with valve rod and will under the traction action of pull rod
Valve rod is held out against；Chuck for be removably attached on pull rod with by the valve pocket of valve clamp to replace sealing element, so as to
In the case where wellhead assembly is not out of service, the sealing element on valve is quickly replaced, guarantees the normal production in oil field.It solves
Valve or the larger problem of kill-job operation replacement wellhead assembly sealing element security risk are changed using with pressure in the prior art.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is according to optionally a kind of structural schematic diagram of gas well valve allowing pressurized maintenance tool of the utility model embodiment；
Fig. 2 is shown according to optionally a kind of structure of the chuck of gas well valve allowing pressurized maintenance tool of the utility model embodiment
It is intended to.
Wherein, the above drawings include the following reference numerals:
10, lower platen；20, top board；30, pull rod；31, the first pull rod；311, the first segment body；312, the second segment body；
313, the first locking nut；32, the second pull rod；321, third segment body；322, the 4th segment body；323, the second locking nut；40, it pushes up
Bar；50, chuck；51, the first snap-gauge；52, the second snap-gauge；60, valve；61, valve body；62, valve rod；63, valve pocket；70, spiral shell is limited
It is female.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
According to the gas well valve allowing pressurized maintenance tool of the utility model embodiment, as shown in Figure 1, include lower platen 10, on
Pressing plate 20, pull rod 30, mandril 40 and chuck 50, lower platen 10 with the bottom of the valve body 61 of valve 60 for abutting；Pull rod 30
Both ends are connect with lower platen 10 and top board 20 respectively so that lower platen 10 and top board 20 are along the extending direction position of pull rod 30
It is adjustable；Mandril 40 be adjustably threaded through in top board 20 along the extending direction position of pull rod 30 and with 62 phase of the valve rod of valve 60
It is right；Mandril 40 is used for the end abutment with valve rod 62 and holds out against valve rod 62 under 30 traction action of pull rod；Chuck 50 is used for can
It is removedly fixed on pull rod 30 clamping the valve pocket 63 of valve 60 to replace sealing element.
Using 60 maintenance tool of valve of technical solutions of the utility model, including lower platen 10, top board 20, pull rod 30,
Mandril 40 and chuck 50, lower platen 10 with the bottom of the valve body 61 of valve 60 for abutting；The both ends of pull rod 30 respectively with pushing
Plate 10 and the connection of top board 20 are so that lower platen 10 and top board 20 are adjustable along the extending direction position of pull rod 30；Mandril 40 is along drawing
It is interior and opposite with the valve rod of valve 60 62 that the extending direction position of bar 30 is adjustably threaded through top board 20；Mandril 40 is used for and valve
The end abutment of bar 62 simultaneously holds out against valve rod 62 under the traction action of pull rod 30；Chuck 50 is for being removably attached to pull rod
Clamping the valve pocket of valve 60 to replace sealing element on 30, so as in the case where wellhead assembly is not out of service, fastly
The sealing element on valve 60 is replaced promptly, guarantees the normal production in oil field.It solves and changes valve or pressure using with pressure in the prior art
Well operations replace the larger problem of wellhead assembly sealing element security risk.
When it is implemented, in order to guarantee that 20 stress balance of lower platen 10 and top board, pull rod 30 include 31 He of the first pull rod
Second pull rod 32, the first end of the first pull rod 31 are adjustably connect with the first end position of lower platen 10, and the of the first pull rod 31
Two ends are adjustably connect with the first end position of top board 20；The first end of second pull rod 32 and the second end position of lower platen 10
It adjustably connects, the second end of the second pull rod 32 is adjustably connect with the second end position of top board 20.
Specifically, the first pull rod 31 and the second pull rod 32 are parallel to each other, and the first end and second end of lower platen 10 is opened respectively
Equipped with the via hole extended along the extending direction of the first pull rod 31 or the second pull rod 32, the first end and second end of top board 20 is also opened
Equipped with the via hole extended along the extending direction of the first pull rod 31 or the second pull rod 32；The first end of first pull rod 31 is threaded through pushing
In the via hole of the first end of plate 10, in the via hole for the first end that the second end of the first pull rod 31 is threaded through top board 20；Second draws
The first end of bar 32 is threaded through in the via hole of the second end of lower platen 10, and the second end of the second pull rod 32 is threaded through top board 20
In the via hole of second end；The both ends of first pull rod 31 and the both ends of the second pull rod 32 are provided with screw thread, and the of the first pull rod 31
It is arranged with stop nut 70 on the screw thread of one end and second end, is also covered on the screw thread of the first end and second end of the second pull rod 32
Equipped with stop nut 70, the first end and second end of the first pull rod 31 passes through stop nut 70 and lower platen 10 and top board respectively
To limit, the first end and second end of the second pull rod 32 passes through stop nut 70 and lower platen 10 and top board 20 respectively for 20 clampings
Clamping is to limit.
Stop nut 70 by rotating 32 both ends of stop nut 70 and the second pull rod at 31 both ends of the first pull rod can be with
Adjust the spacing between lower platen 10 and top board 20.Screw hole is offered on top board 20, mandril 40 is screw rod, and mandril 40 is worn
To pass through the adjustable relative position with valve rod 62 of rotation mandril 40 in screw hole.Regulate lower platen 10 and top board 20
Between spacing after, by spanner rotate mandril 40 make mandril 40 under the traction action of the first pull rod 31 and the second pull rod 32
With the end abutment of valve rod 62 and hold out against to prevent that crude oil leakage occurs during replacing sealing element.
Further, the first pull rod 31 includes the first segment body 311 and the second segment body 312, the first segment body 311 and the second segment body
312 removably lock connection by the first locking nut 313, and the first segment body 311 is leaned on close to lower platen 10, the second segment body 312
Nearly top board 20；Second pull rod 32 includes third segment body 321 and the 4th segment body 322, and third segment body 321 and the 4th segment body 322 are logical
It crosses the second locking nut 323 and removably locks connection, third segment body 321 is close to lower platen 10, and the 4th segment body 322 is close to upper pressure
Plate 20.To can according to need the second segment body 312 that will be close to top board 20 and the 4th section during replacing sealing element
Body 322 is removed.
Further, as shown in Fig. 2, chuck 50 includes the first snap-gauge 51 and the second snap-gauge 52, the first snap-gauge 51 and second
Snap-gauge 52 is opposite to be fastened so that valve pocket 63 to be clamped between the first snap-gauge 51 and the second snap-gauge 52.
In order to adapt to the shape of valve pocket 63, further, the first arc groove, the second card are provided on the first snap-gauge 51
When being provided with the second arc groove corresponding with the first arc groove, the first snap-gauge 51 and the second 52 opposite fastening of snap-gauge on plate 52, the
One arc groove and the second arc groove enclose cylindrical space, and valve pocket 63 is clamped in cylindrical space to press from both sides valve pocket 63
Tightly.
In the specific use process, lower platen 10 and top board 20 are connected by the first pull rod 31 and the second pull rod 32 first
It connects, lower platen 10 is placed in the lower part of the valve body 61 of valve 60, and top board 20 is opposite with the valve rod 62 of valve 60, regulates lower platen
Spacing between 10 and top board 20 then penetrates mandril 40 in the screw hole of top board 20 and towards 62 precession of valve rod, until
The end abutment of mandril 40 and valve rod 62 simultaneously compresses valve rod 62, it is ensured that is not in that crude oil is let out during replacement sealing element
Leakage.
Then the small sheath on valve 60 is removed and exposes valve pocket 63, by the first snap-gauge 51 and the opposite button of the second snap-gauge 52
It closes, the first arc groove on the first snap-gauge 51 encloses valve pocket 63 with the second arc groove on the second snap-gauge 52, passes through multiple spiral shells
Bolt locks the first snap-gauge 51 and the second snap-gauge 52.Then mandril 40 is screwed out, separates mandril 40 with valve rod 62, it then will be new
Sealing element be set on valve rod 62 and install, after new sealing element installs, then by 40 precession of mandril to push up valve rod 62
Tightly, the small sheath on valve 60 is installed after removing the first snap-gauge 51 and the second snap-gauge 52, finally screw out mandril 40 and is removed
Lower platen 10, top board 20 and pull rod 30 complete more changing jobs for sealing element.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of gas well valve allowing pressurized maintenance tool characterized by comprising
Lower platen (10) and top board (20), the lower platen (10) with the bottom of the valve body (61) of valve (60) for abutting；
Pull rod (30), the both ends of the pull rod (30) respectively with the lower platen (10) and the top board (20) is connect so that institute
It states lower platen (10) and the top board (20) is adjustable along the extending direction position of the pull rod (30)；
Mandril (40), be adjustably threaded through in the top board (20) along the extending direction position of the pull rod (30) and with it is described
The valve rod (62) of valve (60) is opposite；The mandril (40) is used for the end abutment with the valve rod (62) and in the pull rod
(30) valve rod (62) is held out against under traction action；
Chuck (50), for be removably attached on the pull rod (30) with by the valve pocket of the valve (60) (63) clamp with
Replace sealing element.
2. gas well valve allowing pressurized maintenance tool according to claim 1, which is characterized in that the pull rod (30) includes:
First pull rod (31), the first end of first pull rod (31) and the first end position of the lower platen (10) adjustably connect
It connects, the second end of first pull rod (31) is adjustably connect with the first end position of the top board (20).
3. gas well valve allowing pressurized maintenance tool according to claim 2, which is characterized in that the first of the lower platen (10)
The first end of end and the top board (20) offers via hole, and the first end of first pull rod (31) is threaded through the pushing
In the via hole of the first end of plate (10), the second end of first pull rod (31) is threaded through the first end of the top board (20)
In via hole；
Wherein, the first end and second end of first pull rod (31) is provided with stop nut (70), first pull rod
(31) first end and second end passes through the stop nut (70) and the lower platen (10) and the top board (20) respectively
Clamping is to limit.
4. gas well valve allowing pressurized maintenance tool according to claim 2, which is characterized in that the first pull rod (31) packet
It includes:
First segment body (311) and the second segment body (312), first segment body (311) and second segment body (312) pass through first
Locking nut (313) removably locks connection.
5. gas well valve allowing pressurized maintenance tool according to claim 2, which is characterized in that the pull rod (30) further include:
Second pull rod (32), the first end of second pull rod (32) and the second end position of the lower platen (10) adjustably connect
It connects, the second end of second pull rod (32) is adjustably connect with the second end position of the top board (20).
6. gas well valve allowing pressurized maintenance tool according to claim 5, which is characterized in that the second of the lower platen (10)
The second end of end and the top board (20) offers via hole, and the first end of second pull rod (32) is threaded through the pushing
In the via hole of the second end of plate (10), the second end of second pull rod (32) is threaded through the second end of the top board (20)
In via hole；
Wherein, the first end and second end of second pull rod (32) is provided with stop nut (70), second pull rod
(32) first end and second end passes through the stop nut (70) and the lower platen (10) and the top board (20) respectively
Clamping is to limit.
7. gas well valve allowing pressurized maintenance tool according to claim 5, which is characterized in that the second pull rod (32) packet
It includes:
Third segment body (321) and the 4th segment body (322), the third segment body (321) and the 4th segment body (322) pass through second
Locking nut (323) removably locks connection.
8. gas well valve allowing pressurized maintenance tool according to claim 1, which is characterized in that opened up on the top board (20)
There is screw hole, the mandril (40) is screw rod, and the mandril (40) is threaded through in the screw hole to adjust and the valve rod (62)
Relative position.
9. gas well valve allowing pressurized maintenance tool according to claim 1, which is characterized in that the chuck (50) includes:
First snap-gauge (51) and the second snap-gauge (52), first snap-gauge (51) and second snap-gauge (52) are with respect to fastening to incite somebody to action
The valve pocket (63) is clamped between first snap-gauge (51) and second snap-gauge (52).
10. gas well valve allowing pressurized maintenance tool according to claim 9, which is characterized in that on first snap-gauge (51)
It is provided with the first arc groove, the second arc groove corresponding with first arc groove, institute are provided on second snap-gauge (52)
When stating the first snap-gauge (51) and second snap-gauge (52) with respect to fastening, first arc groove and second arc groove are enclosed
At cylindrical space, the valve pocket (63) is clamped in the cylindrical space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045110.XU CN208380548U (en) | 2018-07-02 | 2018-07-02 | Gas well valve allowing pressurized maintenance tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045110.XU CN208380548U (en) | 2018-07-02 | 2018-07-02 | Gas well valve allowing pressurized maintenance tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380548U true CN208380548U (en) | 2019-01-15 |
Family
ID=64963481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821045110.XU Expired - Fee Related CN208380548U (en) | 2018-07-02 | 2018-07-02 | Gas well valve allowing pressurized maintenance tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202432A (en) * | 2021-04-21 | 2021-08-03 | 梅宗禄 | High-pressure non-releasing pressure well head replacement main control valve device |
-
2018
- 2018-07-02 CN CN201821045110.XU patent/CN208380548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202432A (en) * | 2021-04-21 | 2021-08-03 | 梅宗禄 | High-pressure non-releasing pressure well head replacement main control valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200702 |
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| CF01 | Termination of patent right due to non-payment of annual fee |