CN206235459U - One kind is used for underwater wellhead system ground test device - Google Patents
One kind is used for underwater wellhead system ground test device Download PDFInfo
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- CN206235459U CN206235459U CN201621270377.XU CN201621270377U CN206235459U CN 206235459 U CN206235459 U CN 206235459U CN 201621270377 U CN201621270377 U CN 201621270377U CN 206235459 U CN206235459 U CN 206235459U
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- end cap
- sleeve
- hole
- plug
- test device
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Abstract
It is used for underwater wellhead system ground test device the utility model discloses one kind, including end cap, sleeve and plug, end cap is tubular construction, the endoporus of end cap is shoulder hole, the lower end of sleeve is connected by screw thread with the shoulder hole upper end inner ring of end cap, plug is sheathed in sleeve, the bottom of plug is provided with screwed hole, the shoulder hole lower end of end cap is provided with annular groove, closing piece is provided with annular groove, the shoulder hole lower end of end cap is by the cylindrical connection locking of closing piece and well head head, end cap is provided with seal with the junction of well head head outer ring, seal is equipped between end cap and sleeve and sleeve and plug between, end cap is provided with injection pressure hole, injection pressure hole is arranged at sleeve and well head head respectively and the junction of end cap between.The hydrostatic test condition pressurizeed to supporting instrument to be measured is realized, the axially loaded of plug is reduced, purely mechanic attachment structure is simple and reliable for structure, set reasonable, easy to install and use, security reliability is high, long service life, and can reuse.
Description
Technical field
The utility model is related to underwater exploration technical field, and in particular to one kind is used for underwater wellhead system ground test
Device.
Background technology
In gas and oil in sea development process, underwater well head head system is the critical equipment of gas and oil in sea exploitation,
The fixed borehole wall is played, the effect of follow-up extracting device of oil is supported.According to the difference that well bore is designed, underwater well head head system is by different rule
The part composition of lattice size, common have 30 ", 20 ", 13-3/8 ", 9-5/8 ", 7 " sleeve pipes, under every kind of gauge cannula configuration is corresponding
Installation tool is put, such as to be entered enter under instrument, one way under high-pressure well is oral and enter instrument etc. under instrument, spring.In gas and oil in sea
The different phase of exploitation, complete to enter under respective sleeve and the sealing of sleeve pipe interlayer is encouraged using different instruments, and complete phase
The test job that should be sealed.Because the reliability of seal assembly sealing property determines whole mouth well and drilling equipment, the peace of personnel
Entirely, it is most important.This requires that kit has enough sealing reliabilities, and whether inspection seal assembly is installed in place.
In the prior art, the report of underwater wellhead system ground test preventer replacement device is had not yet to see.
The content of the invention
The technical problems to be solved in the utility model is, in view of the foregoing defects the prior art has, there is provided Yi Zhongyong
In underwater wellhead system ground test device, the hydrostatic test condition pressurizeed to supporting instrument to be measured is realized, reduced stifled
The axially loaded of head, purely mechanic attachment structure is simple and reliable for structure, sets reasonable, and easy to install and use, security reliability is high,
Long service life, and can reuse.
The utility model is that the technical scheme that solution above-mentioned technical problem is used is：
One kind is used for underwater wellhead system ground test device, including end cap, sleeve and plug, and end cap is tubular knot
Structure, the endoporus of end cap is shoulder hole, and the lower end of sleeve is connected by screw thread with the shoulder hole upper end inner ring of end cap, and plug is sheathed on
In sleeve, the upper and lower ends of plug are equipped with screwed hole, and instrument upper end to be measured is by bolt or the spiral shell of the lower end of screw and plug
Pit is connected, and the shoulder hole lower end of end cap is provided with annular groove, and closing piece is provided with annular groove, and the shoulder hole lower end of end cap passes through closing piece
Connection locking cylindrical with well head head, is provided with instrument to be measured in well head head, end cap is provided with seal with the junction of well head head outer ring,
Seal is equipped between end cap and sleeve and sleeve and plug between, end cap is provided with injection pressure hole, and injection pressure hole is arranged at sleeve
And well head head is respectively and the junction of end cap between.
By such scheme, multiple closing pieces are circumferentially distributed along annular groove, and multiple closing pieces form an annular ring, along ring on end cap
Shape groove is circumferentially with multiple bolts hole, and bolt is provided with bolt hole, the connection corresponding with corresponding closing piece of each bolt, and bolt turn can
Drive closing piece to move radially, annular ring is diminished or become big, so as to lock or unclamp well head head outer ring.
By such scheme, the inner ring of the annular ring of closing piece composition is provided with locking slot.
By such scheme, the number of bolt hole is 4~20.
By such scheme, sleeve is circumferentially equipped with injection pressure hole with radial direction.
By such scheme, hub internal bore is shoulder hole, and plug outer ring is socketed with the shoulder hole upper end inner ring of sleeve.
By such scheme, the upper end of sleeve is provided with lifting eye and torque hole, is easy to rotation process.
By such scheme, plug is provided with annular boss, and plug is socketed by annular boss with sleeve inner ring, annular boss
Excircle be provided with seal groove.
By such scheme, the lower surface of end cap is provided with screwed hole.
By such scheme, circumferentially arranged with hole for hoist on end cap.
The utility model has the advantages that：
1st, an annular closed is set up by the sealing between end cap, sleeve, plug, well head head and supporting instrument to be measured
Space, forms the hydrostatic test condition pressurizeed to kit, is partially transferred to axially loaded by the screw thread on sleeve
Well in word, reduces the axially loaded of plug, and purely mechanic attachment structure is simple and reliable for structure, sets reasonable, using installation side
Just, security reliability is high, long service life, and can reuse.
2nd, bolt and closing piece radially linkage design on end cap, bolt precession can drive closing piece to lock and release well with back-out
It is oral, for locking well head head, various sizes of well head head is adapted to, end cap is locked at by well head head by bolt and closing piece
On, and sleeve is fixed using end cap inner hole thread, mechanical interlocking structure is simple and reliable for structure, is locked by closing piece
Mode also can by a part of axial force transmission to well in word, reduce plug axially loaded.
Brief description of the drawings
Fig. 1 is the structural representation for underwater wellhead system ground test device in the utility model；
Fig. 2 is that to be used for well head head inside for underwater wellhead system ground test device in the utility model be the first
Structural representation during instrument to be measured；
Fig. 3 is that to be used for well head head inside for underwater wellhead system ground test device in the utility model be second
Structural representation during instrument to be measured；
Fig. 4 is the elevation of the utility model end cap；
Fig. 5 is the elevation of the utility model sleeve；
Fig. 6 is the elevation of the utility model plug；
Fig. 7 is the elevation of the pipe nipple of the utility model first；
Fig. 8 is the elevation of the pipe nipple of the utility model second；
In figure, 1- sleeves, 2- plugs, 3- end caps, 4- bolts, 5- closing pieces, 6- instruments to be measured, 7- well head heads, 8- pipe nipples.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
It is described in the utility model for underwater wellhead system ground test device shown in 1~Fig. 8 of reference picture, including
End cap 3, sleeve 1 and plug 2, end cap 3 are tubular construction, and the endoporus of end cap 3 is shoulder hole, to dividing at the ladder of shoulder hole
Put, the lower end of sleeve 1 is connected by screw thread with the shoulder hole upper end inner ring of end cap 3, and plug 2 is sheathed in sleeve 1, plug 2
Upper and lower ends are equipped with screwed hole, and the shoulder hole lower end of end cap 3 is provided with annular groove, and closing piece 5, the rank of end cap 3 are provided with annular groove
Terraced hole lower end is provided with seal by the cylindrical connection locking of closing piece 5 and well head first 7, end cap 3 with the junction of first 7 outer ring of well head,
First 7 endoporus of well head is equipped with instrument to be measured 6, and the shoulder hole upper end of end cap 3 allows instrument 6 to be measured to pass through, and the upper end of instrument to be measured 6 passes through
Bolt or screw are connected that (further, the heart axle endoporus of instrument to be measured 6 is provided with box, box with the screwed hole of the lower end of plug
Be connected with plug lower end screwed hole by screw thread or pipe nipple 8 (see Fig. 7,8)), be connected with plug 2, between end cap 3 and sleeve 1 and
Seal is equipped between sleeve 1 and plug 2, end cap 3 is provided with injection pressure hole, and injection pressure hole is arranged at sleeve 1 and well head first 7 is distinguished
And the junction of end cap 3 between；Built by the sealing between end cap 3, sleeve 1, plug 2, well head first 7 and supporting instrument to be measured 6
An annular sealed space is erected, the hydrostatic test condition pressurizeed to supporting instrument to be measured 6 is formed, by the spiral shell on sleeve 1
Be partially transferred to axially loaded on well head first 7 by line, reduces the axially loaded of plug 2, simple and reliable for structure, sets reasonable,
Easy to install and use, security reliability is high, long service life, and can reuse, and is used especially for underwater wellhead systematically
Face test is substituted with preventer.
Further, multiple closing pieces 5 are circumferentially distributed along annular groove, and multiple closing pieces 5 form an annular ring, edge on end cap 3
Annular groove is circumferentially with multiple bolts hole, and bolt is provided with bolt hole, the connection corresponding with corresponding closing piece 5 of each bolt, bolt rotation
It is dynamic that closing piece can be driven to move radially, annular ring is diminished or become big, so as to lock or unclamp well head head outer ring.
Further, the inner ring of the annular ring of the composition of closing piece 5 is provided with locking slot, can be coordinated and well head head by VX steel rings
7 connections, form sealing, further 7 outer ring first with well head firm locking；Bolt 4 and the radially linkage design, spiral shell of closing piece 5 on end cap 3
The precession of bolt 4 can drive closing piece 5 to lock and discharge well head first 7 with back-out, for locking well head first 7, be adapted to different size
Well head first 7, end cap 3 is locked on well head first 7 by bolt 4 and closing piece 5, and sleeve 1 is entered using the inner hole thread of end cap 3
Row fix, it is simple and reliable for structure, by way of closing piece 5 is locked also can by a part of axial force transmission first 7 to well head on, reduce
The axially loaded of plug 2.
Further, the outer ring of the annular ring of the composition of multiple closing pieces 5 is provided with locking slot, and closing piece 5 passes through locking slot and well
Oral 7 outer ring firm locking；
Further, the number of bolt hole is 4~20.
Further, sleeve 1 is circumferentially equipped with injection pressure hole with radial direction, for injection pressure and exhaust.
Further, the endoporus of sleeve 1 is shoulder hole, and plug 2 is connected by screw thread with the upper end of instrument to be measured 6.
Further, the upper end of sleeve 1 is provided with lifting eye and torque hole, is easy to rotation process.
Further, plug 2 is provided with annular boss, and annular boss makes plug 2 form multidiameter structure, and plug 2 passes through
Annular boss is socketed with the inner ring of sleeve 1, and the excircle of annular boss is provided with seal groove.
Further, the lower surface of end cap is provided with screwed hole.
Further, circumferentially arranged with hole for hoist on end cap 3.
Further, the upper and lower ends of plug 2 use different size Design of Screw Thread, according to the requirement of instrument to be measured 6, can be with
Carry out positive and negative use.
Further, the lower end of the shoulder hole of end cap 3 takes into full account the position of instrument to be measured 6, it is to avoid cause interference, the rank of end cap 3
The upper end in terraced hole is provided with M500 screw threads (being not limited only to the thread size), coordinates with sleeve 1.
Further, pipe nipple 8 includes the pipe nipple of different length first and the second pipe nipple, and pipe nipple 8 is arranged at plug 2 with work to be measured
Between tool 6, the axial location for adjusting plug 2 meets testing requirement.
Further, the screwed hole of plug upper end is conical screw hole.
In one embodiment of the present utility model, operation principle of the present utility model：
Embodiment has sealing as shown in figure 1, the lower end of plug 2 is connected with instrument to be measured 6 between plug 2 and sleeve 1.In sleeve 1
Portion is designed as stepped, is that subsequent tool has headspace, and two kinds of axial locations, 4 through holes are designed with the circumference of sleeve 1, uses
Water filling exhaust when different instruments are tested.There are lifting eye and torque hole in the upper end of sleeve 1, is easy to rotation process.Sleeve 1 is cylindrical spiral shell
Line, is connected with end cap 3, and there is O-ring lower end, realizes being sealed and between end cap 3.The endoporus of end cap 3 coordinates with sleeve, and lower end passes through closing piece
5 first with bolt 4 and well head 7 are fixed, and lifting eye and injection pressure hole are designed with end cap 3.The lower end bore design of end cap 3 is the conical surface, can
Coordinate with VX steel rings.Dashed component is well head first 7, is coordinated with instrument to be measured inside it, forms lower sealing.Whole device is formed
One sealing die cavity, the pressure test of implementation tool.
Before application, bolt 4 is screwed out the utility model as far as possible on end cap 3, and closing piece 5 is in retracted mode, by the device
It is placed on well head first 7, using instrument by circumferential all bolts 4 precession of end cap 3, drives closing piece 5 to stretch out, locks well head first 7.Peace
Dress sealing, instrument, plug 2 are assembled together, and in lower going-into-well oral 7, locking tool.Installation is accordingly sealed on sleeve 1,
Sleeve 1 is installed on end cap 3.It is all be installed in place after, injection pressure hole is connected with pipeline is suppressed on end cap 3, using on sleeve 1 note
Pressure hole fills water, closes injection pressure hole.Pressure test is carried out using the injection pressure hole of end cap 3.
Only preferred embodiment of the present utility model above, can not limit the power of the utility model with this certainly
Sharp scope, therefore the equivalence changes made according to present utility model application the scope of the claims, still belong to protection domain of the present utility model.
Claims (10)
1. it is a kind of to be used for underwater wellhead system ground test device, it is characterised in that including end cap, sleeve and plug, end cap
It is tubular construction, the endoporus of end cap is shoulder hole, and the lower end of sleeve is connected by screw thread with the shoulder hole upper end inner ring of end cap, is blocked up
In sleeve, the bottom of plug is provided with screwed hole to headgear, and the shoulder hole lower end of end cap is provided with annular groove, lock is provided with annular groove
Block, by the cylindrical connection locking of closing piece and well head head, end cap is provided with the junction of well head head outer ring for the shoulder hole lower end of end cap
Seal, is equipped with seal and sleeve and plug between end cap and sleeve, end cap is provided with injection pressure hole, and injection pressure hole is set
In sleeve and well head head respectively and the junction of end cap between.
2. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that multiple closing piece edges
Annular groove is circumferentially distributed, and multiple closing pieces form an annular ring, and multiple bolts hole, bolt hole are circumferentially with along annular groove on end cap
Bolt is inside provided with, each bolt connection corresponding with corresponding closing piece, bolt turn can drive closing piece to move radially, annular ring is diminished
Or become big, so as to lock or unclamp well head head outer ring.
3. it is according to claim 2 for underwater wellhead system ground test device, it is characterised in that closing piece composition
The inner ring of annular ring is provided with locking slot.
4. according to claim 2 for underwater wellhead system ground test device, it is characterised in that bolt hole
Number is 4~20.
5. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that sleeve is circumferentially
Injection pressure hole is equipped with radial direction.
6. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that hub internal bore is
Shoulder hole, plug outer ring is socketed with the shoulder hole upper end inner ring of sleeve.
7. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that the upper end of sleeve
Lifting eye and torque hole are provided with, are easy to rotation process.
8. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that plug is provided with
Annular boss, plug is socketed by annular boss with sleeve inner ring, and the excircle of annular boss is provided with seal groove.
9. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that the lower end of end cap
Face is provided with screwed hole.
10. it is according to claim 1 for underwater wellhead system ground test device, it is characterised in that edge on end cap
It is circumferentially with hole for hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270377.XU CN206235459U (en) | 2016-11-21 | 2016-11-21 | One kind is used for underwater wellhead system ground test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270377.XU CN206235459U (en) | 2016-11-21 | 2016-11-21 | One kind is used for underwater wellhead system ground test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235459U true CN206235459U (en) | 2017-06-09 |
Family
ID=58979763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270377.XU Active CN206235459U (en) | 2016-11-21 | 2016-11-21 | One kind is used for underwater wellhead system ground test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206235459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459907A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Underwater wellhead axial load simulation device and use method thereof |
| CN114878193A (en) * | 2022-04-02 | 2022-08-09 | 华中科技大学 | Heat storage module packaging process for logging instrument and reliability testing method |
-
2016
- 2016-11-21 CN CN201621270377.XU patent/CN206235459U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459907A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Underwater wellhead axial load simulation device and use method thereof |
| CN114878193A (en) * | 2022-04-02 | 2022-08-09 | 华中科技大学 | Heat storage module packaging process for logging instrument and reliability testing method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180228 Address after: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT CORPORATION Patentee after: Kingdream Sinopec Petroleum Machinery Co. Ltd. Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: Sinopec petroleum machinery Limited by Share Ltd Kingdream branch |