CN201391264Y - Wellhead anti-theft and anti-blowout device - Google Patents
Wellhead anti-theft and anti-blowout device Download PDFInfo
- Publication number
- CN201391264Y CN201391264Y CN200920024744U CN200920024744U CN201391264Y CN 201391264 Y CN201391264 Y CN 201391264Y CN 200920024744 U CN200920024744 U CN 200920024744U CN 200920024744 U CN200920024744 U CN 200920024744U CN 201391264 Y CN201391264 Y CN 201391264Y
- Authority
- CN
- China
- Prior art keywords
- well head
- valve body
- antitheft
- wellhead
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 208000004141 microcephaly Diseases 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 1
- 210000002445 nipple Anatomy 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Images
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- Helmets And Other Head Coverings (AREA)
Abstract
Disclosed is a wellhead anti-theft and anti-blowout device, which comprises a lower screwed plug, a tube joint, a centralized cylinder, a spring, a valve core, a valve seat, a valve body, a wellhead joint, an upper screwed plug, an anti-theft protective cap, a key and a top thread. The wellhead anti-theft and anti-blowout device is characterized in that the anti-theft protective cap is connected with the wellhead joint key groove, the top thread positions, the wellhead joint is connected with the screw threads of the valve body, the valve body is connected with the screw threads of the tube joint, the tube joint is connected with the screw threads of the screwed plug, the upper end of the lower screwed plug is connected with the screw threads of the centralized cylinder, and the spring is sleeved in the centralized cylinder, the upper end of the spring is sleeved at the valve core rod, the valve core is toped at the valve seat of the valve body, communicating holes are arranged at the periphery of the middle of the tube joint, and the upper part of the wellhead joint is provided with the screwed plugs. The wellhead anti-theft and anti-blowout device resolves the wellhead control problem for the long-term shut-in well, and creates the conditions for timely recycling wellhead equipments, meanwhile, resolves the wellhead anti-theft and anti-blowout problem.
Description
One, technical field
The utility model is the well head control mechanism for the higher oil well recovery well jaws equipment design of the long-term well head pressure that stops production, the antitheft blowout hookup of specifically a kind of well head.
Two, background technology
Back development period during the oil field enters,, the part oil-water well is because of casing deformation, and well water is too high or oil reservoir is blocked, buried by sand and cause long-term closing well.The well head production tree, sleeve gate and production gate are stolen through suffering the lawless person, make well head out of hand, lead to the blowout major accident.
Three, summary of the invention
The purpose of this utility model provides the antitheft blowout hookup of a kind of well head, solve exist in the above-mentioned prior art because the stolen problem that causes gas blowout accident of jaws equipment, for timely recovery well jaws equipment creates conditions.
The technical solution of the utility model realizes in the following manner:
The utility model comprises plug down, union, set upright tube, spring, spool, valve seat, valve body, the well head joint, last plug, antitheft helmet, key and jackscrew are formed, it is characterized in that antitheft helmet is connected with well head joint keyway, the jackscrew location, the well head joint is connected with the valve body screw thread, valve body is threaded with union, union is threaded with plug, following plug upper end with set upright the tube be threaded, in setting upright tube, be with spring, the upper end of spring is enclosed within on the valve core rod, spool withstands on the valve seat of valve body, and all sides are provided with intercommunicating pore at the union middle part, are provided with plug on well head joint top.
Antitheft helmet is made as cylindrical, being provided with in interior week together or some roads cannelure, is provided with a vertical open slot between the per pass cannelure, is provided with top wire hole in all sides of the open end of antitheft helmet.
The well head joint is made as up big and down small column type size capitiform, central upper portion is provided with the pipe plug opening of up big and down small big or small capitiform, lower central is provided with the screwed hole that is connected with valve body, the top and the bottom centre bore communicates, be provided with a key less than antitheft helmet cannelure width in well head upper end of joint periphery, lower, outer perimeter is provided with the male thread that is connected with the well head casing coupling.
Valve body is made as up-small and down-big column type size capitiform, and the microcephaly is provided with male thread, and major part is provided with box thread, is provided with box thread in microcephaly's the centre bore, is provided with conical valve seat at the reducing place of centre bore.
Spool is made as up big and down small column type size capitiform, and all sides are provided with 45 ° or 30 ° of cone angles in the head upper end.
The utility model has solved the well head control problem of long-term closing well, for timely recovery well jaws equipment has been created condition.Simultaneously also solved well head guard against theft oil problem, prevented to cause because of illegal minute stolen the problem of blowout, the utility model is simple and reasonable, theftproof is strong.
Four, description of drawings
Fig. 1-structural representation of the present utility model
Fig. 2-open flow pipe nipple schematic diagram
Fig. 3-push rod schematic diagram
Among the figure under the 1-plug 2-union 3-set upright a 4-spring 5-spool 6-valve seat 7-valve body 8-well head joint 9-and go up the antitheft helmet 11-of plug 10-jackscrew 12-key
Five, the specific embodiment:
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model comprises by following plug 1, union 2, set upright tube 3, spring 4, spool 5, valve seat 6, valve body 7, well head joint 8, plug 1,9, antitheft helmet 10, key 12 and jackscrew 11 are formed, it is characterized in that antitheft helmet is connected with well head joint keyway, the jackscrew location, the well head joint is connected with the valve body screw thread, valve body is threaded with union, union is threaded with plug, following plug upper end with set upright the tube be threaded, in setting upright tube, be with spring, the upper end of spring is enclosed within on the valve core rod, spool withstands on the valve seat of valve body, and all sides are provided with intercommunicating pore at the union middle part, are provided with plug on well head joint top.
When using the utility model, it is assembled be installed on the well head casing coupling as shown in Figure 1 and get final product, when removing well head control, lay down jackscrew 11 as needs, on proposing the rotation that antitheft helmet 10 carries out slowly, when key 12 forwards vertical openings on the cannelure to, key enters following cannelure, is rotated, when key 12 forwards vertical openings on the following cannelure to again, key enters following cannelure again, so just can take off antitheft helmet from well head joint 8.Go up in the special tool hole set on the plug 9 with the special tool reeve, last plug 9 is unloaded; Open flow pipe nipple (as shown in Figure 2) is installed in the well head top connection, again push rod (as shown in Figure 3) is injected the open flow pipe nipple, be screwed on the valve body 7, slowly twist push rod, when push rod heads on spool 5, spool 5 lifts off a seat 6, and oil gas is just run out in the sleeve pipe, and be inserted in flexible pipe on the blowout prevention pipe nipple this moment rapidly, oil is guided in the oil tank, through a period of time open flow, there is not pressure in the sleeve pipe, just can lay down blowout hookup and carry out workover treatment.
Claims (5)
1, the antitheft blowout hookup of a kind of well head, comprise plug down, union, set upright tube, spring, spool, valve seat, valve body, the well head joint, last plug, antitheft helmet, key and jackscrew are formed, it is characterized in that antitheft helmet is connected with well head joint keyway, the jackscrew location, the well head joint is connected with the valve body screw thread, valve body is threaded with union, union is threaded with plug, following plug upper end with set upright the tube be threaded, be with spring in setting upright tube, the upper end of spring is enclosed within on the valve core rod, and spool withstands on the valve seat of valve body, all sides are provided with intercommunicating pore at the union middle part, are provided with plug on well head joint top.
2, the antitheft blowout hookup of well head according to claim 1, it is characterized in that described antitheft helmet is made as cylindrical, being provided with in interior week together or some roads cannelure, between the per pass cannelure, be provided with a vertical open slot, be provided with top wire hole in all sides of the open end of antitheft helmet.
3, the antitheft blowout hookup of well head according to claim 1, it is characterized in that described well head joint is made as up big and down small column type size capitiform, central upper portion is provided with the pipe plug opening of up big and down small big or small capitiform, lower central is provided with the screwed hole that is connected with valve body, the top and the bottom centre bore communicates, be provided with a key less than antitheft helmet cannelure width in well head upper end of joint periphery, lower, outer perimeter is provided with the male thread that is connected with the well head casing coupling.
4, the antitheft blowout hookup of well head according to claim 1, it is characterized in that described valve body is made as up-small and down-big column type size capitiform, the microcephaly is provided with male thread, and major part is provided with box thread, be provided with box thread in microcephaly's the centre bore, be provided with conical valve seat at the reducing place of centre bore.
5, the antitheft blowout hookup of well head according to claim 1 is characterized in that described spool is made as up big and down small column type size capitiform, and all sides are provided with 45 ° or 30 ° of cone angles in the head upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024744U CN201391264Y (en) | 2009-04-29 | 2009-04-29 | Wellhead anti-theft and anti-blowout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024744U CN201391264Y (en) | 2009-04-29 | 2009-04-29 | Wellhead anti-theft and anti-blowout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391264Y true CN201391264Y (en) | 2010-01-27 |
Family
ID=41598090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920024744U Expired - Fee Related CN201391264Y (en) | 2009-04-29 | 2009-04-29 | Wellhead anti-theft and anti-blowout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391264Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128014A (en) * | 2011-02-15 | 2011-07-20 | 禹栽星 | Electric bailing well opening anti-theft cap |
| CN102959180A (en) * | 2010-06-17 | 2013-03-06 | 艾尼股份公司 | Equipment for the conveying and recovery of hydrocarbons from and underwater well for the extraction of hydrocarbons, under uncontrolled release conditions |
| CN112504822A (en) * | 2021-02-03 | 2021-03-16 | 山东祺龙海洋石油钢管股份有限公司 | Underwater wellhead Christmas tree simulation test bearing device |
-
2009
- 2009-04-29 CN CN200920024744U patent/CN201391264Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102959180A (en) * | 2010-06-17 | 2013-03-06 | 艾尼股份公司 | Equipment for the conveying and recovery of hydrocarbons from and underwater well for the extraction of hydrocarbons, under uncontrolled release conditions |
| CN102959180B (en) * | 2010-06-17 | 2015-08-26 | 艾尼股份公司 | Underwater well conveying never under controlled release condition reclaims hydrocarbon to extract the equipment of hydrocarbon |
| CN102128014A (en) * | 2011-02-15 | 2011-07-20 | 禹栽星 | Electric bailing well opening anti-theft cap |
| CN102128014B (en) * | 2011-02-15 | 2013-09-04 | 禹栽星 | Electric bailing well opening anti-theft cap |
| CN112504822A (en) * | 2021-02-03 | 2021-03-16 | 山东祺龙海洋石油钢管股份有限公司 | Underwater wellhead Christmas tree simulation test bearing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20140429 |