CN207526458U - A kind of gas production wellhead device for downhole pipeline - Google Patents
A kind of gas production wellhead device for downhole pipeline Download PDFInfo
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- CN207526458U CN207526458U CN201721410371.2U CN201721410371U CN207526458U CN 207526458 U CN207526458 U CN 207526458U CN 201721410371 U CN201721410371 U CN 201721410371U CN 207526458 U CN207526458 U CN 207526458U
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- mounting
- connecting tube
- movable sleeve
- installing pipe
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Abstract
The utility model is related to natural gas extraction technical fields, and disclose a kind of gas production wellhead device for downhole pipeline, including installing pipe and upper connecting tube, the both sides of the installation inside pipe wall offer bayonet, the side of the movable sleeve is connected with compressed spring, the inner wall connection of side and mounting groove of the compressed spring far from movable sleeve, bottom of the movable sleeve far from compressed spring side is connected with mandril, side of the mandril far from movable sleeve is connected with top plate, the both sides of the upper connecting tube are plugged with mounting ring, the bottom of the movable sleeve is connected with mounting rod, the bottom of the mounting rod is connected with mounting blocks, the outside of the mounting blocks is clamped with bayonet activity.The utility model is used cooperatively by top plate, mandril, movable sleeve, compressed spring, mounting blocks and bayonet so that when gas wellhead equipment is removed, top plate drive mandril is moved, so as to which gas wellhead equipment be allowed to become more convenient when removing.
Description
Technical field
The utility model is related to natural gas extraction technical field, specially a kind of gas production wellhead device for downhole pipeline.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, including in atmospheric thermodynamics, hydrosphere and lithosphere it is various from
The gas that right process is formed（Including casing-head gas, reservoir gas, gas of mud volcano, coal bed gas and biology generation gas etc.）.And people are long-term
Since general " natural gas " definition, be the narrow sense definition from energy point of view, refer to naturally contain the hydrocarbon in stratum
The mixture of class and non-hydrocarbon gases.In petroleum geology, it is often referred to casing-head gas and reservoir gas.It is formed based on hydro carbons,
And contain non-hydrocarbon gas.
Natural gas needs to install gas wellhead equipment, existing gas wellhead equipment exists during exploitation at present
After installation, gas wellhead equipment is inconvenient to be removed, so as to just reduce the practicability of gas wellhead equipment.
Utility model content
The purpose of this utility model is to provide a kind of gas production wellhead device for downhole pipeline, have to fill gas production wellhead
The advantages of being removed is put, solves the problems, such as to be inconvenient to remove that gas wellhead equipment practicability can be reduced.
To achieve the above object, the utility model provides following technical solution：A kind of gas production wellhead device for downhole pipeline, packet
Include installing pipe and upper connecting tube, the both sides of the installation inside pipe wall offer bayonet, the top of the installing pipe and upper connecting tube
Bottom overlaps, and the both sides of the upper connecting tube bottom offer mounting groove, movable axis is connected on the inside of the mounting groove, described
Middle part on the outside of movable axis is socketed with movable sleeve, and the side of the movable sleeve is connected with compressed spring, and the compressed spring is separate
The side of movable sleeve and the inner wall of mounting groove connect, and bottom of the movable sleeve far from compressed spring side is connected with mandril, institute
It states side of the mandril far from movable sleeve and is connected with top plate, the both sides of the upper connecting tube are plugged with mounting ring, the movable sleeve
Bottom is connected with mounting rod, and the bottom of the mounting rod is connected with mounting blocks, and outside and the bayonet activity of the mounting blocks are clamped,
The bottom of the upper connecting tube is connected with connecting tube, and the bottom on the outside of the connecting tube is socketed with baffle ring, the top of the upper connecting tube
Branch pipe is connected, pipe sleeve is socketed on the outside of the branch pipe, solenoid valve is installed on the outside of the pipe sleeve.
Preferably, the both sides of the installation inside pipe wall open up fluted, and installation bolt is provided on the inside of the groove,
The side of the installation bolt runs through installing pipe and extends to the outside of installing pipe.
Preferably, the bottom of the mounting rod through mounting groove and is extended between installing pipe and connecting tube.
Preferably, the quantity of the mounting blocks is two, and the length of mounting blocks is less than between installing pipe and connecting tube
Distance.
Preferably, sealing ring is connected on the outside of the baffle ring, the outside of the sealing ring and the inner wall of installing pipe are taken.
Preferably, the quantity of the mounting ring is two, and mounting ring is located at top plate in same horizontal line.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model being used cooperatively by top plate, mandril, movable sleeve, compressed spring, mounting blocks and bayonet so that
When gas wellhead equipment is removed, top plate drive mandril is moved, allows movable sleeve that compressed spring is driven to be received
Contracting, so as to which mounting blocks be allowed to be detached from out of bayonet, upper connecting tube is removed from installing pipe, so as to allow gas wellhead equipment when removing
Become more convenient.
2nd, the utility model being used cooperatively by mounting ring and mounting groove so that when top plate is driven to press mandril, need
The device for pressing top plate is passed through into mounting ring, top plate could be driven to push mandril, so as to allow gas wellhead equipment when in use
Can more it stablize.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in Fig. 1.
In figure：1 installing pipe, 2 upper connecting tubes, 3 bayonets, 4 mounting grooves, 5 movable axis, 6 movable sleeves, 7 compressed springs, 8 mandrils, 9
It is top plate, 10 mounting rings, 11 mounting rods, 12 mounting blocks, 13 connecting tubes, 14 baffle rings, 15 branch pipes, 16 pipe sleeves, 17 solenoid valves, 18 recessed
Slot, 19 installation bolts, 20 sealing rings.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of gas production wellhead device for downhole pipeline, including
Installing pipe 1 and upper connecting tube 2, the both sides of 1 inner wall of installing pipe open up fluted 18, and the inside of groove 18 is provided with installation bolt
19, the side of installation bolt 19 runs through installing pipe 1 and extends to the outside of installing pipe 1 so that installing pipe 1 is mounted at well head
When, installing pipe 1 can be fixed on well head by installation bolt 19, and the both sides of 1 inner wall of installing pipe offer bayonet 3, installing pipe 1
The bottom of top and upper connecting tube 2 overlap, the both sides of 2 bottom of upper connecting tube offer mounting groove 4, the inside connection of mounting groove 4
There is movable axis 5, the middle part in 5 outside of movable axis is socketed with movable sleeve 6, and the side of movable sleeve 6 is connected with compressed spring 7, compresses bullet
Side of the spring 7 far from movable sleeve 6 is connect with the inner wall of mounting groove 4, and bottom of the movable sleeve 6 far from 7 side of compressed spring is connected with
Mandril 8, side of the mandril 8 far from movable sleeve 6 are connected with top plate 9, and the both sides of upper connecting tube 2 are plugged with mounting ring 10, pass through peace
Dress ring 10 is used cooperatively with mounting groove 4 so that when top plate 9 is driven to press mandril 8, needs to wear in the device for pressing top plate 9
Mounting ring 10 is crossed, top plate 9 could be driven to push mandril 8, so as to which gas wellhead equipment can more be stablized when in use, installation
The quantity of ring 10 is two, and mounting ring 10 is located at top plate 9 in same horizontal line, and the bottom of movable sleeve 6 is connected with mounting rod
11, the bottom of mounting rod 11 through mounting groove 4 and is extended between installing pipe 1 and connecting tube 13, the bottom connection of mounting rod 11
There are mounting blocks 12, pass through being used cooperatively for top plate 9, mandril 8, movable sleeve 6, compressed spring 7, mounting blocks 12 and bayonet 3 so that adopt
When gaseous control head is removed, mandril 8 is driven to move top plate 9, allow movable sleeve 6 that compressed spring 7 is driven to carry out
It shrinks, so as to which mounting blocks 12 be allowed to be detached from out of bayonet 3, upper connecting tube 2 is removed from installing pipe 1, so as to allow gas wellhead equipment
Become more convenient when removing, the quantity of mounting blocks 12 is two, and the length of mounting blocks 12 is less than installing pipe 1 and connecting tube
The distance between 13, outside and 3 activity of bayonet of mounting blocks 12 are clamped, and the bottom of upper connecting tube 2 is connected with connecting tube 13, connecting tube
The bottom in 13 outsides is socketed with baffle ring 14, and the outside of baffle ring 14 is connected with sealing ring 20, outside and the installing pipe 1 of sealing ring 20
Inner wall overlaps, and passes through the use of sealing ring 20 so that the natural gas in well will not be let out from mounting groove 4 and mounting ring 10
Dew, so as to ensure that the practicability of gas wellhead equipment, the top connection branch pipe 15 of upper connecting tube 2, the outside of branch pipe 15 is socketed with
Pipe sleeve 16, the outside of pipe sleeve 16 are equipped with solenoid valve 17.
In use, top plate 9 is driven to push mandril 8 across mounting ring 10 in the device for pushing top plate 9, movable sleeve 6 is with dynamic pressure
Contracting spring 7 is shunk, and mounting rod 11 drives mounting blocks 12 to deviate from out of bayonet 3, and upper connecting tube 2 is removed from installing pipe 1.
In conclusion the gas production wellhead device for downhole pipeline, passes through top plate 9, mandril 8, movable sleeve 6, compressed spring 7, peace
Dress block 12 and bayonet 3 are used cooperatively so that when gas wellhead equipment is removed, mandril 8 are driven to move top plate 9
It is dynamic, allow movable sleeve 6 that compressed spring 7 is driven to be shunk, so as to which mounting blocks 12 be allowed to be detached from out of bayonet 3, by upper connecting tube 2 from installation
It is removed on pipe 1, so as to which gas wellhead equipment be allowed to become more convenient when removing, gas recovery well can be reduced by solving to be inconvenient to remove
The problem of mouth device practicability.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of gas production wellhead device for downhole pipeline, including installing pipe（1）And upper connecting tube（2）, it is characterised in that：The installing pipe
（1）The both sides of inner wall offer bayonet（3）, the installing pipe（1）Top and upper connecting tube（2）Bottom overlap joint, it is described on
It takes over（2）The both sides of bottom offer mounting groove（4）, the mounting groove（4）Inside be connected with movable axis（5）, the work
Moving axis（5）Movable sleeve is socketed in the middle part of outside（6）, the movable sleeve（6）Side be connected with compressed spring（7）, the pressure
Contracting spring（7）Far from movable sleeve（6）Side and mounting groove（4）Inner wall connection, the movable sleeve（6）Far from compressed spring
（7）The bottom of side is connected with mandril（8）, the mandril（8）Far from movable sleeve（6）Side be connected with top plate（9）, it is described on
It takes over（2）Both sides be plugged with mounting ring（10）, the movable sleeve（6）Bottom be connected with mounting rod（11）, the installation
Bar（11）Bottom be connected with mounting blocks（12）, the mounting blocks（12）Outside and bayonet（3）Activity clamping, the upper connecting tube
（2）Bottom be connected with connecting tube（13）, the connecting tube（13）The bottom in outside is socketed with baffle ring（14）, the upper connecting tube
（2）Top connection branch pipe（15）, the branch pipe（15）Outside be socketed with pipe sleeve（16）, the pipe sleeve（16）Outside installation
There is solenoid valve（17）.
2. a kind of gas production wellhead device for downhole pipeline according to claim 1, it is characterised in that：The installing pipe（1）It is interior
The both sides of wall open up fluted（18）, the groove（18）Inside be provided with installation bolt（19）, the installation bolt
（19）Side run through installing pipe（1）And extend to installing pipe（1）Outside.
3. a kind of gas production wellhead device for downhole pipeline according to claim 1, it is characterised in that：The mounting rod（11）'s
Mounting groove is run through in bottom（4）And extend to installing pipe（1）With connecting tube（13）Between.
4. a kind of gas production wellhead device for downhole pipeline according to claim 1, it is characterised in that：The mounting blocks（12）'s
Quantity is two, and mounting blocks（12）Length be less than installing pipe（1）With connecting tube（13）The distance between.
5. a kind of gas production wellhead device for downhole pipeline according to claim 1, it is characterised in that：The baffle ring（14）It is outer
Side is connected with sealing ring（20）, the sealing ring（20）Outside and installing pipe（1）Inner wall overlap joint.
6. a kind of gas production wellhead device for downhole pipeline according to claim 1, it is characterised in that：The mounting ring（10）'s
Quantity is two, and mounting ring（10）With top plate（9）In same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410371.2U CN207526458U (en) | 2017-10-29 | 2017-10-29 | A kind of gas production wellhead device for downhole pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410371.2U CN207526458U (en) | 2017-10-29 | 2017-10-29 | A kind of gas production wellhead device for downhole pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526458U true CN207526458U (en) | 2018-06-22 |
Family
ID=62571297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721410371.2U Active CN207526458U (en) | 2017-10-29 | 2017-10-29 | A kind of gas production wellhead device for downhole pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526458U (en) |
-
2017
- 2017-10-29 CN CN201721410371.2U patent/CN207526458U/en active Active
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