CN208473767U - Blowout hookup - Google Patents
Blowout hookup Download PDFInfo
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- CN208473767U CN208473767U CN201820986467.1U CN201820986467U CN208473767U CN 208473767 U CN208473767 U CN 208473767U CN 201820986467 U CN201820986467 U CN 201820986467U CN 208473767 U CN208473767 U CN 208473767U
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Abstract
This application provides a kind of blowout hookups, comprising: valve body is provided with first passage up and down in valve body；Spool is provided in first passage；Spool can be relative to valve body, to turn on or off first passage；The upper end of first connector, the first connector is connected with valve body, and the first connecting portion for being connected with well head and the second connecting portion for being connected with roofbolt are provided on the first connector lower end；Second channel up and down is provided in first connector, second channel is connected with first passage, and second channel is between first connecting portion and second connecting portion；First connector includes the undergauge section that extension diameter section and sectional area are less than extension diameter section, and undergauge section is located at the lower section of extension diameter section, and first connecting portion is set on the outer wall of extension diameter section, and second connecting portion is set on the outer wall of undergauge section, and second channel is set in extension diameter section.The application embodiment provide it is a kind of can reduce rob dress difficulty blowout hookup.
Description
Technical field
This application involves petroleum gas well workover field more particularly to a kind of blowout hookups.
Background technique
Blowout hookup is used for during removing roofbolt, when dangerous situation occurring in well, robs closing well mouth.
Blowout hookup in the prior art mainly includes bar preventer.The bar preventer is seal plug on the whole.Work as well
When interior generation dangerous situation, bar preventer is connected with roofbolt first.Then roofbolt is transferred, so that the seal plug sealing wellhead
Big four.But when borehole pressure is higher, bar preventer is difficult to transfer to the big four of well head due to pushing up on borehole pressure
On, to be difficult to sealing wellhead big four, so cause to rob dress difficulty.
Utility model content
In view of this, the application embodiment provide it is a kind of can reduce rob dress difficulty blowout hookup.
To achieve the above object, this application provides the following technical solutions: a kind of blowout hookup, comprising: valve body, it is described
First passage up and down is provided in valve body；Spool is provided in the first passage；The spool can be relative to described
Valve body, to turn on or off the first passage；First connector, the upper end of first connector and the valve body
It is connected, the first connecting portion for being connected with well head is provided on first connector lower end and for being connected with roofbolt
The second connecting portion connect；It is provided with second channel up and down in first connector, the second channel and described the
One channel is connected, and the second channel is between the first connecting portion and the second connecting portion.
As a preferred embodiment, the second channel be it is multiple, multiple second channels are disposed around described second
The outside of interconnecting piece.
As a preferred embodiment, first connector includes that extension diameter section and sectional area are less than the extension diameter section
Undergauge section, the undergauge section is located at the lower section of the extension diameter section, the extension diameter section back to the undergauge section one end with it is described
Valve body is connected, and the first connecting portion is set on the outer wall of the extension diameter section, and the second connecting portion is set to the contracting
On the outer wall of diameter section, the second channel is set in the extension diameter section.
As a preferred embodiment, the first connecting portion is clip with a central hole, in the centre bore
It is provided with the internal screw thread for being connected with first connector, is provided with outwardly extending annular on the outer wall of the clip
Protrusion, the annular protrusion have downward stop surface, and the stop surface with wellhead flange for offseting.
As a preferred embodiment, the external screw thread that the second connecting portion matches for the internal screw thread in roofbolt.
As a preferred embodiment, being provided in second connector and passing through up and down comprising: the second connector
Logical third channel, the third channel can be connected with the first passage, the lower end of second connector and the valve
Body is connected, and is provided with external screw thread on the upper end of second connector.
As a preferred embodiment, comprising: promote short circuit, the promotion be shorted be provided with for it is described
The threaded hole that the upper end of second connector is connected.
As a preferred embodiment, comprising: connector, one end of the connector are used for and second connector
Threaded upper ends connection, the other end of the connector is connected with pressure gauge.
As a preferred embodiment, comprising: pipeline, the pipeline is for the upper end with second connector
It is threadedly coupled.
As a preferred embodiment, being provided with fluid course on the spool, the spool can be relative to described
Valve body rotation, so that the fluid course can be connected to and disconnect with the first passage.
It is opened as a preferred embodiment, being provided on the side wall of the valve body with what the first passage was connected
Hole is equipped with valve rod in the aperture, and the valve rod is connected with the spool, and the side of the valve rod back to the spool is set
It is equipped with operation portion, the operation portion can drive the valve rod to rotate, so that the spool is rotated relative to the valve body.
By above technical solution, blowout hookup described in the application embodiment is set in valve body by the way that valve body is arranged
Spool is set, spool can be arranged useful relative to valve body to turn on or off first passage, and on the first connector lower end
In the first connecting portion being connected with well head and second connecting portion for being connected with roofbolt；It is provided in first connector
The second channel of lower perforation, second channel are connected with first passage, and second channel is located at first connecting portion and second connecting portion
Between, it, can be by spool relative to valve body, to open first passage, to pass through the so that when borehole pressure is higher
Release borehole pressure for two channels, first passage, so reduces the pressure in well, to reduce blowout hookup described herein
The difficulty moved down is so that blowout hookup described herein can smoothly fall to well head, to be able to achieve closing well, so
Dress difficulty is robbed in reduction.Therefore the application embodiment provide it is a kind of can reduce rob dress difficulty blowout hookup.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the blowout hookup of the application embodiment；
Fig. 2 is the structural schematic diagram of the spanner of the application embodiment；
Fig. 3 is the structural schematic diagram that the promotion of the application embodiment is shorted；
Fig. 4 is the structural schematic diagram of the connector of the application embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
Referring to Fig. 1, a kind of blowout hookup provided by present embodiment, comprising: valve body 11, the interior setting of the valve body 11
There is first passage 13 up and down；Spool is provided in the first passage 13；The spool can be relative to the valve body 11
Movement, to turn on or off the first passage 13；First connector 23, the upper end of first connector 23 and the valve
Body 11 is connected, be provided on 23 lower end of the first connector first connecting portion 27 for being connected with well head and for
The second connecting portion 29 that roofbolt is connected；It is provided with second channel 15 up and down in first connector 23, described
Two channels 15 are connected with the first passage 13, and the second channel 15 is located at the first connecting portion 27 and described second and connects
Between socket part 29.
During removing roofbolt, when dangerous situation occurs in well, rod elevator poppet body 11 is used first, and by bar
Column is connected with the second connecting portion 29 of the first connector 23.Then pass through rod elevator for blowout hookup described herein
It moves down and is connected with and by the first connecting portion 27 of the first connector 23 with well head.Finally spool is transported relative to valve body 11
It is dynamic, so that spool closes first passage 13, to realize closing well.When borehole pressure is higher, due to being set in the first connector 23
It is equipped with second channel 15 up and down, second channel 15 is connected with first passage 13, it is possible to will be herein described
Blowout hookup move down during, spool is moved relative to valve body 11, to open first passage 13, to pass through the
Release borehole pressure for two channels 15, first passage 13, so reduces the pressure in well, to reduce blowout prevention described herein
The difficulty that device moves down is so that blowout hookup described herein can smoothly fall to well head, so as to connect first
The first connecting portion 27 of junctor 23 is connected with well head.Finally spool is moved relative to valve body 11, so that spool closes first
Channel 13, to realize closing well.
The blowout hookup described in the application embodiment it can be seen from above scheme passes through setting valve body 11, valve body 11
Interior setting spool, spool can be moved relative to valve body 11, to turn on or off first passage 13, and 23 lower end of the first connector
On be provided with the first connecting portion 27 for being connected with well head and the second connecting portion for being connected with roofbolt 29；First connects
Second channel 15 up and down is provided in junctor 23, second channel 15 is connected with first passage 13, and second channel 15
Between first connecting portion 27 and second connecting portion 29, so that when borehole pressure is higher, it can be by spool relative to valve body 11
Movement, to release borehole pressure by second channel 15, first passage 13, so reduces well to open first passage 13
Interior pressure, to reduce the difficulty that blowout hookup described herein moves down so that blowout hookup described herein
Well head can be smoothly fallen to, to be able to achieve closing well, so reduces and robs dress difficulty.
As shown in Figure 1, in the present embodiment, valve body 11 is in hollow tubular on the whole.The hollow space is formed up and down
The first passage 13 of perforation.The internal screw thread for being connected with the second connector is provided on the upper end inner wall of the valve body 11.It should
The lower end of valve body 11 is provided with the external screw thread for being connected with the first connector.Spool is provided in first passage 13；Spool
It can be moved relative to valve body 11, to turn on or off first passage 13.So as to move spool relative to valve body 11, with
Carry out closing well or pressure release.
In one embodiment, fluid course is provided on spool, spool can be rotated relative to valve body 11, so that liquid
Circulation road can be connected to and disconnect with first passage 13.So as to pass through rotary spool to turn on or off first passage 13.Into
One step, it is provided with the aperture 21 being connected with first passage 13 on the side wall of valve body 11, is equipped with valve rod, valve rod in aperture 21
It is connected with spool, the side of valve rod back to spool is provided with operation portion 36,36 energy band ovable valve stem of operation portion rotation, so that valve
Core is rotated relative to valve body 11.Specifically, the sectional area of operation portion 36 is polygon.In use, the operation portion 36 and spanner 38
It matches, 38 rotating operating unit 36 of spanner can be passed through.The spanner 38 is as shown in Fig. 2, specific body, spanner 38 include vertical extend
Section and horizontal extension section, one end of vertical extended segment are provided with the groove for protruding into for operation portion 36, the inner wall of the groove with
The outer wall of operation portion 36 matches.
In the present embodiment, the upper end of the first connector 23 is connected with valve body 11.The connection type can be screw
It connects, be bolted, weld, be integrally formed.First for being connected with well head is provided on first connector, 23 lower end
Interconnecting piece 27 and second connecting portion 29 for being connected with roofbolt.Up and down second logical is provided in first connector 23
Road 15, second channel 15 are connected with first passage 13.Second channel 15 be located at first connecting portion 27 and second connecting portion 29 it
Between.To after first connecting portion 27 is connect with well head, and after second connecting portion 29 is connect with roofbolt, the high-pressure fluid energy in well
It is flowed into first passage 13, and then can be released out of first passage 13 by second channel 15.
Preferably, second channel 15 is multiple, and multiple second channels 15 are disposed around the outside of second connecting portion 29.Due to
Two channels 15 be it is multiple, so can quickly release borehole pressure when borehole pressure is higher, so can quickly reduce the pressure in well
Power.
In one embodiment, the first connector 23 includes the undergauge section that extension diameter section 31 and sectional area are less than extension diameter section 31
33, undergauge section 33 is located at the lower section of extension diameter section 31, and one end of extension diameter section 31 back to undergauge section 33 is connected with valve body 11.The connection
Mode can be screw and connect, is bolted, welds, be integrally formed.Specifically, extension diameter section 31 is back to one end of undergauge section 33
It is provided with internal thread hole, the lower end of valve body 11 is provided with the external screw thread for being connected with the internal thread hole.First connecting portion 27
It is set on the outer wall of extension diameter section 31, second connecting portion 29 is set on the outer wall of undergauge section 33, and second channel 15 is set to expansion
In diameter section 31.
Further, first connecting portion 27 is clip with a central hole, is provided in centre bore for connecting with first
The internal screw thread that body 23 is connected, outwardly extending annular protrusion 39 is provided on the outer wall of clip, and annular protrusion 39 has downward
Stop surface 41, stop surface 41 with wellhead flange for offseting.So as to by by the stop surface 41 and wellhead flange of clip
It offsets, and slips is installed outside wellhead flange and clip, so that the first connecting portion 27 of the first connector 23 is connected with well head
It connects.
In one embodiment, second connecting portion 29 is the external screw thread matched with the internal screw thread of roofbolt.Specifically, it contracts
It is provided with external screw thread on the outer wall of 33 lower end of diameter section, so as to which roofbolt to be connected on the lower end of undergauge section 33.And then work as clip
After offseting with wellhead flange, annular space is formed between roofbolt and the inner wall of wellhead flange, and the high-pressure fluid in well can pass through
The annular space flows into second channel 15, and flows into first passage 13, and then can release out of first passage 13.
In one embodiment, the blowout hookup of the application further include: the second connector 25 is set in second connector 25
Be equipped with third channel 17 up and down, third channel 17 can be connected with first passage 13, the lower end of the second connector 25 with
Valve body 11 is connected, which can be screw and connect, be bolted, weld, be integrally formed.Specifically, second connects
The lower end of junctor 25 is provided with the external screw thread being connected for the upper end of valve body 11.It is provided on the upper end of second connector 25 outer
Screw thread.So as to be connected by the external screw thread with external equipment, can be carried out well-flushing, pressure testing or survey pressure.So that
The function that the blowout hookup of the application is able to achieve blowout prevention, surveys pressure, pressure testing and well-flushing.
As shown in figure 3, in one embodiment, the blowout hookup of the application further include: promoted and be shorted 35, promoted and be shorted
The threaded hole for being connected with the upper end of the second connector 25 is provided on 35.It can be connect with second to promote short circuit 35
Body 25 is connected.And then when in well occur dangerous situation when, first using rod elevator lifting promoted be shorted 35, by valve body 11 into
Row is promoted.And then the second connecting portion 29 of the first connector 23 can be connected with the body of rod, and by below rod elevator
The blowout hookup of the application, to carry out robbing the operation of closing well mouth.Further, which, which is shorted 35, can use existing structure
It makes, this application is repeated no more.
As shown in figure 4, in one embodiment, the blowout hookup of the application further include: connector 37, one end of connector 37
For connecting with the threaded upper ends of the second connector 25, the other end of connector 37 is connected with pressure gauge.To realize effectively pass
After well, in the case that first passage 13 is in closing, promotion can be unloaded and be shorted 35.By the upper of connector 37 and the second connector 25
End is threadedly coupled.And first passage 13 is opened by spool, and then borehole pressure can be enrolled by pressure gauge, to realize survey
The function of pressure.
In one embodiment, the blowout hookup of the application further include: pipeline, pipeline are used for and the second connector 25
Threaded upper ends connection.When needing to well-flushing is carried out in well, first passage 13 can be first shut off.Then lower contact 37 is unloaded, and
Pipeline is connect with the threaded upper ends of the second connector 25.Then first passage 13 is opened, by flushing fluid by injecting into well.
So realize the function of well-flushing.When pump sump is directly connected to pump upper oil pipe progress pressure testing under examining, there is the case where roofbolt in well
Under, pressure testing if desired is carried out to pump line column.It can unload promotion after realizing effective closing well and be shorted 35, by by pipeline and the
The threaded upper ends of two connectors 25 connect.Then first passage 13 is opened, pump pipe string pressure test operation can be carried out.So realize
The function of pressure testing.Further, one end of the pipeline is connected with union, which can connect with the threaded upper ends of the second connector 25
It connects.
It should be noted that term " first ", " second " etc. are used for description purposes only and distinguish in the description of the present application
Similar object between the two and is not present sequencing, can not be interpreted as indication or suggestion relative importance.In addition,
In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
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
Apply for a part of theme.
Claims (11)
1. a kind of blowout hookup characterized by comprising
Valve body is provided with first passage up and down in the valve body；Spool is provided in the first passage；The spool
It can be relative to the valve body, to turn on or off the first passage；
The upper end of first connector, first connector is connected with the valve body, and first connector is arranged on lower end
There are the first connecting portion for being connected with well head and the second connecting portion for being connected with roofbolt；In first connector
It is provided with second channel up and down, the second channel is connected with the first passage, and the second channel is located at institute
It states between first connecting portion and the second connecting portion.
2. blowout hookup according to claim 1, it is characterised in that: the second channel is multiple, multiple second channels
It is disposed around the outside of the second connecting portion.
3. blowout hookup according to claim 1, it is characterised in that: first connector includes extension diameter section and sectional area
Less than the undergauge section of the extension diameter section, the undergauge section is located at the lower section of the extension diameter section, and the extension diameter section is back to the undergauge
One end of section is connected with the valve body, and the first connecting portion is set on the outer wall of the extension diameter section, second connection
Portion is set on the outer wall of the undergauge section, and the second channel is set in the extension diameter section.
4. blowout hookup according to claim 1, it is characterised in that: the first connecting portion is card with a central hole
It binds round, the internal screw thread for being connected with first connector is provided in the centre bore, is arranged on the outer wall of the clip
There is outwardly extending annular protrusion, the annular protrusion has downward stop surface, and the stop surface is used for and wellhead flange phase
It supports.
5. blowout hookup according to claim 1, it is characterised in that: the second connecting portion is in the internal screw thread phase of roofbolt
The external screw thread of cooperation.
6. blowout hookup according to claim 1, characterized in that it comprises: the second connector, second connector
It is inside provided with third channel up and down, the third channel can be connected with the first passage, second connector
Lower end be connected with the valve body, be provided with external screw thread on the upper end of second connector.
7. blowout hookup according to claim 6, characterized in that it comprises: promoted and be shorted, the promotion is shorted and sets
It is equipped with the threaded hole for being connected with the upper end of second connector.
8. blowout hookup according to claim 6, characterized in that it comprises: connector, one end of the connector be used for
The threaded upper ends of second connector connect, and the other end of the connector is connected with pressure gauge.
9. blowout hookup according to claim 6, characterized in that it comprises: pipeline, the pipeline are used for and described the
The threaded upper ends of two connectors connect.
10. blowout hookup according to claim 1, it is characterised in that: be provided with fluid course, the valve on the spool
Core can be rotated relative to the valve body, so that the fluid course can be connected to and disconnect with the first passage.
11. blowout hookup according to claim 10, it is characterised in that: be provided on the side wall of the valve body and described
The aperture that one channel is connected is equipped with valve rod in the aperture, and the valve rod is connected with the spool, the valve rod back to
The side of the spool is provided with operation portion, and the operation portion can drive the valve rod to rotate so that the spool relative to
The valve body rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986467.1U CN208473767U (en) | 2018-06-26 | 2018-06-26 | Blowout hookup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820986467.1U CN208473767U (en) | 2018-06-26 | 2018-06-26 | Blowout hookup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473767U true CN208473767U (en) | 2019-02-05 |
Family
ID=65215140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820986467.1U Active CN208473767U (en) | 2018-06-26 | 2018-06-26 | Blowout hookup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208473767U (en) |
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2018
- 2018-06-26 CN CN201820986467.1U patent/CN208473767U/en active Active
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