CN204827329U - A sealed plug for well head production tree - Google Patents
A sealed plug for well head production tree Download PDFInfo
- Publication number
- CN204827329U CN204827329U CN201520635853.2U CN201520635853U CN204827329U CN 204827329 U CN204827329 U CN 204827329U CN 201520635853 U CN201520635853 U CN 201520635853U CN 204827329 U CN204827329 U CN 204827329U
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- CN
- China
- Prior art keywords
- tree
- cell body
- ring convex
- plug
- screw thread
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Abstract
(B, ) the utility model relates to a plug device, especially (b) (b) a sealed plug for well head production tree. Its (b) (b) is including the production tree body, the toper screw thread, and the optical axis, the hexagon head, its characterized in that: the cover is equipped with the gasket on the toper screw thread, and the gasket is ring convex structure, and the protruding end of ring convex gasket inlays the dress in ring shape cell body, the terminal surface laminating of the big footpath end of ring convex gasket and ring shape cell body, and the left end face of ring convex gasket is closely laminated with the production tree body, and the setting of ring shape cell body is at the link of optical axis with the hexagon head. The beneficial effects of the utility model are that: (B, ) (b) structure through changing the plug has increased end face seal mechanism on former plug screw thread sealed basis, solved the sealed tight problem of former plug screw thread, and (b) (b) be convenient, dismantle fast and be high -efficient sealed, has reduced because of dismantling the probability that the improper extracting tool of leading to the fact and plug body damaged, has reached the purpose of keeping the safety in production. (B, )
Description
Technical field
the utility model relates to a kind of oil well thread protecting clog, particularly a kind of sealing plug for wellhead tree tree.
Background technology
at present in oil exploitation industry, wellhead tree is set sealing plug used and often be there will be the problems such as dismounting is difficult, poorly sealed, makes troubles to daily production maintenances such as oil well test, well-flushing, replacing oil nozzles.Conventional sealing plug mostly generally is the structure that nut adds conventional pads, and the plug of this structure needs larger fastening force when mounted, also needs larger twisting resistance during dismounting.
Summary of the invention
the utility model, for the weak point of above-mentioned sealing plug, provides a kind of structure simple, good airproof performance, easy-to-dismount sealing plug.
realizing the technical scheme that above-mentioned purpose adopts is:
a kind of sealing plug for wellhead tree tree, comprise production tree body, taper screw thread, optical axis, turret head, taper screw thread is set with pad, pad is ring convex architecture, and the protruding end of ring convex pad is inlaid in annular cell body, and the bigger diameter end of ring convex pad and the end face of annular cell body are fitted, left side and the production tree body of ring convex pad fit tightly, and annular cell body is arranged on the link of optical axis and turret head.
compared with prior art, the beneficial effects of the utility model are: by changing the structure of plug, the basis of precursor plug wire button sealing adding end sealing mechanism, solves the poorly sealed problem of precursor plug wire button, achieve the object of quick-detachment; Easily and fast dismounting and efficient sealed, greatly reduce operating time and the labour intensity of post employee, reduce the probability of the personnel's injury because the leakage of high pressure thorn causes, environmental pollution accident, reach the object of safety in production, rate when improve the driving a well of oil well, reduces and causes because dismantling improper the probability that demounting tool and plug body damage.
the further preferred version of the utility model is:
the link of optical axis and turret head is provided with annular cell body, and taper screw thread and optical axis, annular cell body, turret head are into a single integrated structure.
the central through hole of pad is equal with optical axis external diameter.
the protruding end diameter of ring convex pad is equal with the internal diameter of annular cell body.
the height of protruding end is equal with the groove depth of annular cell body.
ring convex pad is made up of high pressure nylon material.
the bigger diameter end of ring convex pad is equal with the maximum gauge of production tree body with the maximum gauge of annular cell body respectively.
Accompanying drawing explanation
fig. 1 is the utility model structural representation.
Detailed description of the invention
below in conjunction with accompanying drawing 1 and embodiment, the utility model is described in further detail.
for a sealing plug for wellhead tree tree, see accompanying drawing 1, production tree body 1, ring convex pad 2, taper screw thread 3, optical axis 4, turret head 5, annular cell body 6.
in the present embodiment, taper screw thread 3 is set with pad, pad is ring convex architecture, the protruding end of ring convex pad 2 is inlaid in annular cell body 6, the bigger diameter end of ring convex pad 2 is connected with the end face of annular cell body 6, the left side of ring convex pad 2 is connected with production tree body 1, and annular cell body 6 is arranged on the link of optical axis 4 and turret head 5.
optical axis 4 is provided with annular cell body 6 with the link of turret head 5, and taper screw thread 3 and optical axis 4, annular cell body 6, turret head 5 are into a single integrated structure, are processed by a monoblock cylindrical, massive iron block.
the central through hole of ring convex pad 2 is equal with optical axis 4 external diameter.
the protruding end diameter of ring convex pad 2 is equal with the internal diameter of annular cell body 6, and the height of protruding end is equal with the groove depth of annular cell body 6.Ring convex pad 2 is made up of high pressure nylon material, and high pressure nylon material carries out high pressure end face seal and has certain compressibilty.The bigger diameter end of ring convex pad 2 is equal with the maximum gauge of production tree body 1 with the maximum gauge of annular cell body 6 respectively.
before using, be inserted in ring convex pad 2 on optical axis 4 after the uniform application lubricating grease of outside, make ring convex pad 2 bossing enter in annular cell body 6; Be connected with the box on production tree body 1 after taper screw thread 3 is smeared lubricating grease, ring convex pad 2 end face is connected with production tree body 6 end face, to turn clockwise fastening turret head 1 with square spanner, make the box of taper screw thread 4 screw thread and production tree body 6 fastening, reach screw thread sealing purpose; Make ring convex pad 2 and production tree body 1 end face compress simultaneously, the basis of precursor button sealing achieves end face seal again, easy removal, efficient sealed object can be reached.
carry out testing in wellhead tree tree, well-flushing, replacing oil nozzle etc. other when needing dismounting plug behaviour to do, be rotated counterclockwise turret head 1 with square spanner, the object of quick-detachment can be reached.
the utility model scope of application is Christmas tree wellhead, by changing the structure of plug, the basis of precursor plug wire button sealing adding end sealing mechanism, solves the poorly sealed problem of precursor plug wire button; Utilize end face high pressure sealing material to have certain compressibilty, fast and easy mounts and dismounts.
Claims (7)
1. the sealing plug for wellhead tree tree, comprise production tree body, taper screw thread, optical axis, turret head, it is characterized in that: taper screw thread is set with pad, pad is ring convex architecture, and the protruding end of ring convex pad is inlaid in annular cell body, and the bigger diameter end of ring convex pad and the end face of annular cell body are fitted, left side and the production tree body of ring convex pad fit tightly, and annular cell body is arranged on the link of optical axis and turret head.
2.
sealing plug for wellhead tree tree according to claim 1, is characterized in that: the link of optical axis and turret head is provided with annular cell body, and taper screw thread and optical axis, annular cell body, turret head are into a single integrated structure.
3.
sealing plug for wellhead tree tree according to claim 1, is characterized in that: the central through hole of pad is equal with optical axis external diameter.
4.
sealing plug for wellhead tree tree according to claim 1, is characterized in that: the protruding end diameter of ring convex pad is equal with the internal diameter of annular cell body.
5.
sealing plug for wellhead tree tree according to claim 1, is characterized in that: the height of protruding end is equal with the groove depth of annular cell body.
6.
sealing plug for wellhead tree tree according to claim 1, is characterized in that: pad is made up of high pressure nylon material.
7. the sealing plug for wellhead tree tree according to claim 1, is characterized in that: the bigger diameter end of ring convex pad is equal with the maximum gauge of production tree body with the maximum gauge of annular cell body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635853.2U CN204827329U (en) | 2015-08-21 | 2015-08-21 | A sealed plug for well head production tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520635853.2U CN204827329U (en) | 2015-08-21 | 2015-08-21 | A sealed plug for well head production tree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827329U true CN204827329U (en) | 2015-12-02 |
Family
ID=54684940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520635853.2U Active CN204827329U (en) | 2015-08-21 | 2015-08-21 | A sealed plug for well head production tree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827329U (en) |
-
2015
- 2015-08-21 CN CN201520635853.2U patent/CN204827329U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Co.,Ltd. Address before: 063200, Hebei, Tangshan City Caofeidian oilfield Jidong Oil Production Area Supervision Station Patentee before: Zhao Songbai |