CN206158651U - Anti -theft well head device - Google Patents
Anti -theft well head device Download PDFInfo
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- CN206158651U CN206158651U CN201621146771.2U CN201621146771U CN206158651U CN 206158651 U CN206158651 U CN 206158651U CN 201621146771 U CN201621146771 U CN 201621146771U CN 206158651 U CN206158651 U CN 206158651U
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- hole
- well head
- thelf
- passage
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Abstract
The utility model provides an anti -theft well head device includes: the chassis, the chassis sets up at the wellhead flange lower extreme, be provided with the studding hole on the chassis, a main bod, the main part sets up the wellhead flange upper end, set up in the main part with the first through -hole that the studding pore pair was answered, the single wire erection and extension device comprises a connecting piece, the fixed setting of lower extreme of connecting piece in the studding hole, the upper end of connecting piece is supported and is in admittedly the upper end of main part, the setting is in the cover body in the main part, the cover body deviates from the terminal surface of main part upwards extends, the lid, the lid lid closes on the cover body. This application embodiment's anti -theft well head device seals up oil well wellhead up for safekeeping in it through the matched with cover body and lid to do not expose opening mechanism outside, the theftproof effect is better.
Description
Technical field
The application belongs to Oil/gas Well ground installation technical field, more particularly to a kind of Thelf-proof well head apparatus.
Background technology
The description of this part only provides the background information related to disclosure, and does not constitute prior art.
With persistently carrying out for oil field development, can all there is a number of oil well to go out of use every year.The oil well one for going out of use
As the ratio that is distributed it is relatively decentralized, and the remote area of the oil well that goes out of use of majority, management difficulty is larger, causes what these went out of use
The wellhead equipment of oil well is easily stolen.
At present, well-mouth theft-prevention can mainly include special connecting bolt type and Anti-theft cover type.Special connecting bolt type is antitheft
Wellhead assembly device connecting bolt is exposed to outside, and observation profile can develop correspondence spanner, and antitheft rank is low, anti-theft effect
It is not good；Although Anti-theft cover type Thelf-proof well head apparatus function is complete, complex structure, the fragile failure of life-time service retaining mechanism,
The risk that presence cannot be opened.
It should be noted that the introduction of technical background is intended merely to above the convenient technical scheme to the application carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Can not be merely because these schemes be the application's
Background section is set forth and thinks that above-mentioned technical proposal is known to those skilled in the art.
Utility model content
In view of this, this application provides a kind of Thelf-proof well head apparatus, to solve prior art in well-mouth theft-prevention effect not
Good problem.
To be to realize above-mentioned purpose, this application provides following technical scheme.
A kind of Thelf-proof well head apparatus, including：
Chassis, the chassis is arranged on wellhead flange lower end, and studding hole is provided with the chassis；
Main body, the main body is arranged on the wellhead flange upper end, arranges corresponding with the studding hole in the main body
First through hole；
Connector, the lower end of the connector is fixedly installed in the studding hole, and the upper end of the connector is supported and existed admittedly
The upper end of the main body；
Cover body, the cover body is arranged on the body, and the cover body is upwardly extended away from the end face of the main body；
Lid, the lid is covered on the cover body.
Preferably, the connector is bolt, and the lower end of the bolt is screwed in the studding hole, the spiral shell of the bolt
Cap supports solid in the upper end of the main body.
Preferably, the connector includes stud and nut, and the lower end of the stud is screwed in the studding hole, described
Nut is screwed in the upper end of the stud and supports solid in the upper end of the main body.
Preferably, the main body has upwardly extending lobe, arranges fluted on the outer wall of the lobe；
The lid has the extension for extending downwardly, and the extension at least partially circumferentially surrounds the projection
Portion, is provided with the screw corresponding with the groove on the extension, be combined with jackscrew in the screw, and the one of the jackscrew
End is located in the groove；
Second through hole corresponding with the groove and the screw is provided with the side wall of the cover body, described second leads to
Hole can wear for the jackscrew activity.
Preferably, the jackscrew includes screwing the threaded portion in the screw and the end on the outside of the extension
Head, the termination is provided with the blind hole being open towards the through hole, and the section of the blind hole is in polygon-shaped.
Preferably, it is provided with the passage being connected with well head in the lobe；
The Thelf-proof well head apparatus also include clip pipe nipple, and the clip pipe nipple is detachably connected to the interior of the passage
On wall.
Preferably, the third through-hole for connecting the passage is provided with the side wall of the lobe, in the third through-hole
Valve rod is provided with, one end of the valve rod is stretched in the passage, the other end is located at outside the passage, and the valve rod can be described
Rotate in third through-hole；The end that the valve rod is located in the passage is connected with valve ball, has been disposed radially on the valve ball
Fourth hole.
Preferably, the valve ball has the first operating position and the second operating position；When the valve ball is in described first
During operating position, the fourth hole is staggered with the passage；It is described when the valve ball is in second operating position
Fourth hole is connected at least in part with the passage.
Preferably, the clip pipe nipple is located at the valve ball top, is provided between the clip pipe nipple and the valve ball
First seal.
Preferably, the passage is located at the inside constriction of inwall of the valve ball bottom and forms step, the step with it is described
Second seal is provided between valve ball.
By technical scheme above, the beneficial effect of the application is：
1st, well mouth of oil well is sealed up for safekeeping in it by the cover body that is engaged and lid, so as to not expose opener outside
Face, anti-theft effect is preferable.
2nd, by arranging corresponding with the groove and screw that are used to be connected to lid in main body on the side wall of cover body
Second through hole, and screw the termination of the jackscrew in screw and be provided with polygonal blind hole, on the one hand can conveniently realize lid
On the other hand body is detachably connected with main body, polygonal blind hole is used for special spanner and inserts, such that it is able to further
Anti-theft effect is provided.
3rd, by arranging the passage being connected with well head in the lobe of main body, and clip pipe nipple is set in the channel,
Can realize carrying out pressure release to well head.
4th, by arranging valve ball in the channel, drive valve ball is whether have pressure in observable well by rotation valve rod, if
There is pressure, connecting pipeline can carry out pressure release on clip pipe nipple.
Other application field will become obvious according to description provided herein.The description of this utility model content and tool
Body example is only intended to the purpose for illustrating, it is not intended that limit scope of the present utility model.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit model disclosed in the present application
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematic, the understanding to the application is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the application.Those skilled in the art, can under teachings of the present application
To select various possible shapes and proportional sizes to implement the application as the case may be.In the accompanying drawings：
Fig. 1 is the structural representation of the Thelf-proof well head apparatus of the application；
Fig. 2 is the structural representation on chassis in Fig. 1；
Fig. 3 is the schematic cross-section of A-A in Fig. 2；
Fig. 4 is the structural representation of jackscrew in Fig. 1；
Fig. 5 is the side view of jackscrew in Fig. 4；
Fig. 6 is the structural representation of spanner；
Fig. 7 is the side view of spanner in Fig. 6.
Specific embodiment
It should be noted that when a parts are referred to as " being arranged at " another parts, it can be directly another
On individual parts or can also there are parts placed in the middle.When a parts are considered as " connection " another parts,
It can be directly to another parts or may be simultaneously present parts placed in the middle.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the application
The implication that technical staff is generally understood that is identical.Herein the term used in the description of the present application is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in restriction the application.Term as used herein "and/or" includes one or more
The arbitrary and all of combination of related Listed Items.
Fig. 1 to Fig. 3 is seen also, the Thelf-proof well head apparatus that the application embodiment is provided can include：Chassis 1, institute
State chassis 1 and be arranged on the lower end of wellhead flange 2, studding hole 14 is provided with the chassis 1；Main body 3, the main body 3 is arranged on institute
The upper end of wellhead flange 2 is stated, first through hole (not shown) corresponding with the studding hole 14 is set in the main body 3；Connection
Part 4, the lower end of the connector 4 is fixedly installed in the studding hole 14, and the upper end of the connector 4 supports solid in the main body
3 upper end；Cover body 5, the cover body 5 is arranged in the main body 3, and the cover body 5 prolongs upwards away from the end face of the main body 3
Stretch；Lid 6, the lid 6 is covered on the cover body 5.
The Thelf-proof well head apparatus of the application embodiment pass through the cover body 5 being engaged and lid 6 seals up for safekeeping well mouth of oil well
In it, so that opener is not exposed to into outside, anti-theft effect is preferable.
In the present embodiment, chassis 1 is in substantially annular shape, in order to be adapted with the shape of wellhead flange 2.Specifically
, wellhead flange 2 includes flange 21 and necked configuration 22, is provided with what is be connected with studding hole 14 and first through hole on flange 21
Through hole, so that connector 4 wears；The cross sectional shape of necked configuration 22 is substantially cylindrical.So, the chassis 1 in annular can
To be set in outside necked configuration 22, upper surface and the lower surface of flange 21 on chassis 1 fit.
Install for convenience, chassis 1 can be spliced to form by two semicircular ring.Additionally, chassis 1 has certain thickness,
In order to connector 4 lower end be fixed thereon in the studding hole 14 for opening up with realize main body 3 is fixed on wellhead flange 2 after,
Chassis 1 still has enough intensity.In practice, the thickness on chassis 1 can carry out being adapted to design and tune according to the specification of wellhead equipment
Whole, the application is not construed as limiting to this.
Fig. 3 is referred to, in the present embodiment, studding hole 14 can be the screwed hole not through chassis 1, so, connection
After the lower end of part 4 is fixedly installed in studding hole 14, the end of the lower end of connector 4 is not exposed to outside, so can rise
To preferably anti-theft effect.
Corresponding to being described above, when studding hole 14 is the screwed hole not through chassis 1, connector 4 can be bolt, bolt
Lower end can screw and be fixedly installed in studding hole 14 with realizing connector 4 in studding hole 14, the nut of bolt can be supported
Gu on the end face of the upper end of main body 3.
Or, connector 4 can include stud and nut, and the lower end of stud can be screwed in studding hole 14 with the company of realization
Fitting 4 is fixedly installed in studding hole 14, and nut can screw in the upper end of stud and support the solid end face in the upper end of main body 3
On.
In the present embodiment, cover body 5 substantially can be in the cylindrical shape that is adapted with the cross sectional shape of main body 3, and cover body 5 can be with
It is arranged on the edge of the upper end end face of main body 3.Cover body 5 can be an independent cylindrical structure, and it can be adopted with main body 3
The modes such as welding, bonding are fixedly connected；Or, cover body 5 can also be integrally formed with main body 3.
Lid 6 can be in substantially discoideus with what the cross sectional shape of cover body 5 was adapted, and such lid 6 can be covered in cover body 5
Upper end, so as to form the space for sealing wellhead equipment up for safekeeping therebetween.Operate for convenience, the upper surface of lid 6 can
To be provided with the handle 63 for gripping, staff can move lid 6 by gripping the handle 63.
In one embodiment, in order to realize being detachably connected for lid 6 and main body 3, main body 3 has upwardly extending
Lobe 31, arranges fluted 32 on the outer wall of lobe 31；Lid 6 has the extension 61 that extends downwardly, extension 61 to
Lobe 31 is partially circumferentially surrounded, the screw 62 corresponding with groove 32 is provided with extension 61, revolved in screw 62
One end that conjunction has jackscrew 7, jackscrew 7 is located in groove 32；It is provided with the side wall of cover body 5 corresponding with groove 32 and screw 62
Second through hole 51, the second through hole 51 can wear for the activity of jackscrew 7.
By arranging relative with the groove 32 and screw 62 that are used to be connected to lid 6 in main body 3 on the side wall of cover body 5
The second through hole 51 answered, such that it is able to conveniently realize being detachably connected for lid 6 and main body 3.
In the present embodiment, lobe 31 is arranged on the middle part of main body 3, and it is substantially cylindrical, and lobe 31 is preferred
It is integrally formed with main body 3.
Extension 61 is arranged on the lower surface of lid 6 and positioned at the middle part of lid 6, and it is substantially cylindrical in shape, and extension 61 is excellent
Choosing is integrally formed with lid 6.
Tubular extension 61 is extended downwardly and at least in part houses lobe 31 wherein, and between the two
There can be gap.Vertically go up, extension 61 and lobe 31 have the part for projecting overlap, in order to pass through jackscrew 7
Can realize that lid 6 is fixed in main body 3.Specifically, one end insertion of the jackscrew 7 being adapted with screw 62 is arranged on projection
In groove 32 on the side wall of portion 31, effect is fixedly connected so as to pass through jackscrew 7, extension 61 is mutually fixed with lobe 31.
Second through hole 51 corresponding with groove 32 and screw 62 arranged on the side wall of cover body 5 is available for the activity of jackscrew 7 to wear
If, in order to the dismounting and installation of jackscrew 7.
It is preferably carried out in mode at one, in order to strengthen anti-theft effect, jackscrew 7 can be set using special structure
Meter, this needs to adopt special instrument cooperating therewith through the jackscrew 7 of special construction design, can realize the dismounting of jackscrew 7
And installation.
Specifically, Fig. 1, Fig. 4 and Fig. 5 are seen also, jackscrew 7 includes screwing the threaded portion 71 in screw 62 and being located at
The termination 72 in the outside of extension 61, termination 72 is provided with blind hole 73 of the opening towards the second through hole 51, and the section of blind hole 73 is in more
Side shape.
As shown in Figure 6 and Figure 7, on termination 72 arrange in polygonal blind hole 73 it is appropriable, therewith shape mutually fit
The spanner 15 matched somebody with somebody is inserted, and the spanner 15 is in 90 degree of bendings, and its shape of end 151 is identical with the shape of blind hole 73, is triangle
Shape.
Fig. 5 schematically illustrates the blind hole 73 for triangle opened up on termination 72, then correspondingly, the end of spanner 15
151 shape is also triangle.It is to be understood that the shape of blind hole 73 is not limited to this, in other feasible enforcements
In example, the shape of blind hole 73 can also include tetragon, pentagon, hexagon, octagon etc., and the application is not limited this
It is fixed.When blind hole 73 is when being shaped as other polygons, correspondingly the shape of the end 151 of spanner 15 also should change therewith.
By the termination 72 to jackscrew 7 using the design of the special construction, can avoid being pulled using existing general jaw
The situation that handss can be dismantled to jackscrew 7 occurs, so as to effectively improve theftproof performance.
In one embodiment, it is that pressure release can be carried out to oil well, is provided with what is be connected with well head in lobe 31
Passage 33；Thelf-proof well head apparatus also include clip pipe nipple 8, and clip pipe nipple 8 is detachably connected on the inwall of passage 33.
Passage 33 is provided with female thread on the inwall of upper end, and outer wall of the clip pipe nipple 8 near lower end is provided with and this
The external screw thread that female thread is adapted, by internal and external threads being detachably connected for clip pipe nipple 8 and the inwall of passage 33 can be realized.
Connecting pipeline can carry out pressure discharge operations to oil well on clip pipe nipple 8.
In one embodiment, the third through-hole 34 of communicating passage 33, threeway are provided with the side wall of lobe 31
Valve rod 9 is provided with hole 34, one end of valve rod 9 is stretched in passage 33, the other end is located at outside passage 33, and valve rod 9 can be in threeway
Rotate in hole 34；The end that valve rod 9 is located in passage 33 is connected with valve ball 10, and on valve ball 10 fourth hole has been disposed radially
11。
Valve ball 10 has the first operating position and the second operating position；When valve ball 10 is in the first operating position, the 4th
Through hole 11 is staggered with passage 33；When valve ball 10 be in the second operating position when, fourth hole 11 at least in part with passage 33
It is connected.
In the present embodiment, drive valve ball 10 is whether have pressure in observable well by rotation valve rod 9.Specifically,
Rotation valve rod 9 drives valve ball 10 to rotate, and when valve ball 10 just switches to the second operating position by the first operating position, observes clip
Whether pipe nipple 8 has the sound of gas overflowing.When clip pipe nipple 8 has the sound of gas overflowing, illustrate to be built the pressure under oil well, now just
Connecting pipeline pressure release can be carried out on clip pipe nipple 8.
When valve ball 10 is in the first operating position, in order to be able to seal to oil well, can be in valve ball 10 and passage 33
Sealing member is set between inwall.Specifically, clip pipe nipple 8 is located at the top of valve ball 10, is provided between clip pipe nipple 8 and valve ball 10
First seal 12；Passage 33 is located at the inside constriction of inwall of the bottom of valve ball 10 and forms step 13, between step 13 and valve ball 10
It is provided with second seal 16.
In the present embodiment, first seal 12 and second seal 16 can be the sealing ring in annular shape, so
First seal 12 is pressed between clip pipe nipple 8 and valve ball 10, and second seal 16 is pressed on step 13 and valve ball 10
Between, preferably sealing function can be played by upper and lower two sealing members.
It should be noted that in the description of the present application, term " first ", " second " etc. are only used for describing purpose and difference
, there is no between the two sequencing in similar object, can not be interpreted as indicating or implying relative importance.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouching
State, many embodiments and many applications outside the example for being provided all will be for a person skilled in the art aobvious and easy
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to aforementioned claim and this
The four corner of the equivalent that a little claim are possessed is determining.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
A part for application theme.
Claims (10)
1. a kind of Thelf-proof well head apparatus, it is characterised in that include：
Chassis, the chassis is arranged on wellhead flange lower end, and studding hole is provided with the chassis；
Main body, the main body is arranged on the wellhead flange upper end, arranges in the main body and the studding hole corresponding first
Through hole；
Connector, the lower end of the connector is fixedly installed in the studding hole, and the upper end of the connector supports solid described
The upper end of main body；
Cover body, the cover body is arranged on the body, and the cover body is upwardly extended away from the end face of the main body；
Lid, the lid is covered on the cover body.
2. Thelf-proof well head apparatus as claimed in claim 1, it is characterised in that the connector is bolt, under the bolt
End is screwed in the studding hole, and the nut of the bolt supports solid in the upper end of the main body.
3. Thelf-proof well head apparatus as claimed in claim 1, it is characterised in that the connector includes stud and nut, described
The lower end of stud is screwed in the studding hole, and the nut is screwed in the upper end of the stud and supports solid in the upper of the main body
End.
4. Thelf-proof well head apparatus as claimed in claim 1, it is characterised in that the main body has upwardly extending lobe,
Arrange fluted on the outer wall of the lobe；
The lid has the extension for extending downwardly, and the extension at least partially circumferentially surrounds the lobe, institute
State and the screw corresponding with the groove is provided with extension, jackscrew, one end position of the jackscrew are combined with the screw
In the groove；
Second through hole corresponding with the groove and the screw, the second through hole energy are provided with the side wall of the cover body
Wear for the jackscrew activity.
5. Thelf-proof well head apparatus as claimed in claim 4, it is characterised in that the jackscrew includes screwing in the screw
Threaded portion and the termination on the outside of the extension, the termination is provided with the blind hole being open towards second through hole, institute
The section of blind hole is stated in polygon-shaped.
6. Thelf-proof well head apparatus as claimed in claim 4, it is characterised in that be provided with the lobe and be connected with well head
Passage；
The Thelf-proof well head apparatus also include clip pipe nipple, and the clip pipe nipple is detachably connected to the inwall of the passage
On.
7. Thelf-proof well head apparatus as claimed in claim 6, it is characterised in that connection institute is provided with the side wall of the lobe
The third through-hole of passage is stated, valve rod is provided with the third through-hole, one end of the valve rod is stretched in the passage, the other end
Outside the passage, the valve rod can be rotated in the third through-hole；The valve rod is located at the end in the passage and connects
Valve ball is connected to, on the valve ball fourth hole has been disposed radially.
8. Thelf-proof well head apparatus as claimed in claim 7, it is characterised in that the valve ball has the first operating position and second
Operating position；When the valve ball is in first operating position, the fourth hole is staggered with the passage；When described
When valve ball is in second operating position, the fourth hole is connected at least in part with the passage.
9. Thelf-proof well head apparatus as claimed in claim 7, it is characterised in that the clip pipe nipple is located at the valve ball top,
First seal is provided between the clip pipe nipple and the valve ball.
10. Thelf-proof well head apparatus as claimed in claim 7, it is characterised in that the passage is located at the interior of the valve ball bottom
The inside constriction of wall forms step, and between the step and the valve ball second seal is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146771.2U CN206158651U (en) | 2016-10-21 | 2016-10-21 | Anti -theft well head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146771.2U CN206158651U (en) | 2016-10-21 | 2016-10-21 | Anti -theft well head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158651U true CN206158651U (en) | 2017-05-10 |
Family
ID=58653889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146771.2U Active CN206158651U (en) | 2016-10-21 | 2016-10-21 | Anti -theft well head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505552A (en) * | 2019-01-04 | 2019-03-22 | 王金霞 | A kind of antitheft well head |
| CN114592818A (en) * | 2022-02-23 | 2022-06-07 | 江苏腾龙石化机械有限公司 | Oil well head suitable for desert environment |
-
2016
- 2016-10-21 CN CN201621146771.2U patent/CN206158651U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505552A (en) * | 2019-01-04 | 2019-03-22 | 王金霞 | A kind of antitheft well head |
| CN114592818A (en) * | 2022-02-23 | 2022-06-07 | 江苏腾龙石化机械有限公司 | Oil well head suitable for desert environment |
| CN114592818B (en) * | 2022-02-23 | 2022-12-02 | 江苏腾龙石化机械有限公司 | Oil well head suitable for desert environment |
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