CN207795160U - Gas well induced flow switch valve - Google Patents
Gas well induced flow switch valve Download PDFInfo
- Publication number
- CN207795160U CN207795160U CN201820085569.6U CN201820085569U CN207795160U CN 207795160 U CN207795160 U CN 207795160U CN 201820085569 U CN201820085569 U CN 201820085569U CN 207795160 U CN207795160 U CN 207795160U
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- Prior art keywords
- pressure
- transmission tube
- power set
- gas well
- hole
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Links
- 238000007789 sealing Methods 0.000 claims description 14
- 238000010276 construction Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of gas well induced flow switch valve, including upper pressure-transmission tube, outer barrel, upper power set, power sliding block, ball valve, support mandrel, lower power set, lower pressure-transmission tube and level pressure disc, the ball valve is controlled by power sliding block, the control slide block can be covered by upper power and lower power set pushes, the upper power set and lower power set after the rupture of level pressure disc by entering the high pressure annular space liquid-driving inside the gas well induced flow switch valve, by controlling annular pressure, you can control the switch of ball valve.The gas well induced flow switch valve, construction is simple, the construction time is short, and construction cost is low, safer, can be rapidly in bottom-hole shut-in once ground goes wrong.
Description
Technical field
The utility model is related to oil field gas well formation testing induced flow and the technical field of field mining equipment, specifically a kind of gas wells
Induced flow switch valve.
Background technology
There are two types of modes for oil field gas well induced flow at present, first, carrying out nitrogen gaslift induced flow, this method using coiled tubing
Construction safety, but work progress is complicated, needs continuous oil pipe device and equipment of making nitrogen etc., construction cost is high, second is that utilizing well testing
Steel wire tool induced flow, this method are to be first turned on underground switch slide bushing using specific purpose tool, and then nitrogen injection will in oil pipe
Liquid is discharged into annular space in tubing string, and sliding sleeve is turned off the switch with steel wire tool in the case where keeping well head pressure state, is then discharged on ground
Gas realizes induced flow purpose in tubing string, and work progress is complicated, and steel wire tool is easily shut off sliding sleeve in work progress, be easy to cause examination
Well tool operation error or engineering accident.
Invention content
Goal of the invention：The purpose of this utility model is to provide a kind of gas well induced flow switch for the deficiency in current technology
Valve is easy to control valve switch, keeps construction simpler.
Technical solution：To achieve the above object, the utility model provides a kind of gas well induced flow switch valve, including upper pressure transmission
Cylinder, outer barrel, upper power set, power sliding block, ball valve, support mandrel, lower power set, lower pressure-transmission tube and level pressure disc, the upload
Pressure cylinder is hollow cylinder, and internal diameter rule, it is connector, outer circle connection that outer circle, which has the half the circumference of the sleeve where it joins the shoulder of different-diameter, upper pressure-transmission tube upper end,
Outer barrel, have in the wall thickness of upper pressure-transmission tube large-diameter portion position an axial hole and and axis parallel, axial hole run through upper pressure-transmission tube lower end,
Intersect and be connected to axial hole there are one radial hole on the outside of major diameter；The outer barrel is cylindric, and upper and lower side is separately connected upload
Pressure cylinder and lower pressure-transmission tube；Cylindrical shape is presented in upper power set, and outer wall is distributed two identical rectangles of shapes and sizes side by side
Windowing；Uniform thickness arc plate is presented in the power sliding block, and there are two power sliding blocks, coordinates respectively with two windowings,
There are one convex block in power sliding block concave-shaped arc surface, the convex block is the small cylinder of protrusion, and the end face of cylinder is spherical；It is described
Ball valve is sphere, has the centre bore of perforation on sphere, is also distributed two switch holes on sphere, the switch axially bored line passes through ball
Shape, switch hole coordinate with the convex block in power sliding block respectively；The support mandrel is cylindrical in shape structure, and upper end is contacted with ball valve, together
It feels at ease in upper power set, upper power set is extended in lower end；The lower power set is cylindrical in shape structure, is concentrically mounted on outer barrel 2
Inside, with outside support mandrel, the lower power set lower face annulus area puts on end face anchor ring product more than upper power for socket；
The lower pressure-transmission tube is cylindrical in shape structure, and upper end coordinates with support mandrel, and outer circle connects outer barrel, and lower pressure-transmission tube lower end, which is connected with, to be connect
Head, have in the wall thickness of lower pressure-transmission tube major diameter position an axial hole and and axis parallel, axial hole run through lower pressure-transmission tube upper end,
Intersect and be connected to axial hole there are one radial hole on the outside of major diameter；The level pressure disc can be crushed in the case where bearing certain pressure
Plates are mounted in radial hole.
As a kind of improvement of this programme, the upper pressure-transmission tube and outer barrel, upper power set and outer barrel, upper power are covered and are uploaded
Pressure cylinder, upper power set and support mandrel, lower power set and outer barrel, lower power set and support mandrel, support mandrel and lower pressure-transmission tube,
The lower sealing device that is both provided between pressure-transmission tube and outer barrel ensures pipeline interior sealing.
As a kind of improvement of this programme, the upper pressure-transmission tube lower end and support mandrel upper end are also associated with axle sleeve, axle sleeve
It is contacted with ball valve, the axle sleeve is the spherical arc for being bonded ball valve outer surface, axle sleeve and upper pressure-transmission tube with ball valve contact end face
Sealing device is provided between support mandrel.
As a kind of improvement of this programme, the centerlines in two switch hole holes are 80-100 ° on the ball valve, each
The axis of switch hole is 40-50 ° with centre bore axis line wire clamp angle.
As a kind of improvement of this programme, the centerlines in two switch hole holes are 90.61 ° on the ball valve,
The center line three-way hole centerlines of each circular hole are 45.305 °.
As a kind of improvement of this programme, screw thread is provided in the axial hole, the level pressure disc circumference thickeies and has
External screw thread and the screw-thread fit in axial hole.
As a kind of improvement of this programme, it is connected through a screw thread between the upper pressure-transmission tube, outer barrel and lower pressure-transmission tube.
As a kind of improvement of this programme, the upper pressure-transmission tube, support mandrel are identical with lower pressure-transmission tube internal diameter.
As a kind of improvement of this programme, the sealing device is to be present in the seal groove of cylinder body outer wall or inner wall and close
Seal.
As a kind of improvement of this programme, the level pressure disc rated pressure installed on the upper pressure-transmission tube is less than lower pressure transmission
The level pressure disc installed on cylinder.
Advantageous effect：The gas well induced flow switch valve is internally provided with ball valve, and ball valve upper switch hole is slided with power
Block upper protruding block coordinates, and power sliding block is embedded in the windowing of power set, and upper power set can slide in outer barrel, when upper power set
When in upper limit position, ball valve centre bore is staggered with upper pressure-transmission tube and support mandrel endoporus, and internal pipeline is closed, when upper power
When set is in lower limit position, ball valve centre bore is connected with upper pressure-transmission tube and support mandrel endoporus, and internal pipeline is connected.
There are two switch hole on the ball valve, there is angle between two switch axially bored lines, there are two power sliding blocks and switch
Hole coordinates, and ensures when ball valve rotation centre bore center line always on perpendicular.
The upper pressure-transmission tube and support mandrel contact one end with ball valve and are provided with bushing, reinforce sealing when ball valve is closed
Property, while the abrasion of upper pressure-transmission tube and support mandrel is reduced, only it need to regularly replace bushing, you can ensure the gas well induced flow switch
Valve normal use.
During practice of construction, upper power set can be moved into top dead centre before going into the well, ball valve, which is in, at this time closes shape
State, the level pressure disc rated pressure installed on upper pressure-transmission tube are less than the level pressure disc installed on lower pressure-transmission tube, process of going into the well
In, when needing induced flow, increase annular pressure, the level pressure disc on upper pressure-transmission tube first ruptures, radial hole and annular space on upper pressure-transmission tube
Environment unicom, annulus fluid enter radial hole and longitudinal hole, and then enter the gap between upper pressure-transmission tube, outer barrel and upper power set
Space, power set moves down in promotion, and then power sliding block is displaced downwardly to lower limit position, and ball valve turns to centre bore and upper pressure-transmission tube
With support mandrel endoporus unicom；When needing to close valve, annular pressure is further increased up to pressure disc on lower pressure-transmission tube
Rupture, the clearance space between pressure-transmission tube, outer barrel and lower power set is also full of annulus fluid at present for this, at this time due to lower power set
Lower end anchor ring area is more than upper power set upper side anchor ring area, and pressure is certain in environment, and the upward power that lower power set is subject to is big
In the downward power that upper power set receives, and then power set and upper power put on and move to upper limit position at present, and ball valve is closed.
A kind of gas well induced flow switch valve described in the utility model, construction is simple, the construction time is short, and construction cost is low, more
Add safety, once ground goes wrong, can only need applied pressure by annulus to achieve that gas well induced flow switch valve rapidly in bottom-hole shut-in
On and off.
Description of the drawings
Fig. 1, the gas well induced flow switch valve structure schematic diagram；
Fig. 2, the upper power nested structure schematic diagram；
Fig. 3, the power sliding block structural schematic diagram；
Fig. 4, the ball-valve structure schematic diagram；
Reference numerals list：1, upper pressure-transmission tube；2, outer barrel；3, upper power set；4, power sliding block；5, ball valve；6, supporting-core
Axis；7, lower power set；8, lower pressure-transmission tube；9, level pressure disc；10, bushing；11, radial hole；12, axial hole；3a, windowing；It is 4a, convex
Block；5a, centre bore；5b, switch hole.
Specific implementation mode
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
It is a kind of gas well induced flow switch valve, including upper pressure-transmission tube 1, outer barrel 2, upper power set 3, power sliding block as shown in Figure 1
4, ball valve 5, support mandrel 6, lower power set 7, lower pressure-transmission tube 8 and level pressure disc 9, upper pressure-transmission tube 1, outer barrel 2 and lower pressure-transmission tube 8 it
Between be connected through a screw thread.Upper pressure-transmission tube 1 is hollow cylinder, internal diameter rule, and outer circle has the half the circumference of the sleeve where it joins the shoulder of different-diameter, upper pressure-transmission tube
1 upper end is connector, and outer circle connects outer barrel 2, has an axial hole 12 simultaneously in 1 major diameter position wall thickness of upper pressure-transmission tube and axis parallel,
Axial hole 12 runs through 1 lower end of upper pressure-transmission tube, intersects and is connected to axial hole 12 there are one radial hole 11 on the outside of major diameter；Outer barrel
2 be cylindric, and upper and lower side is separately connected pressure-transmission tube 1 and lower pressure-transmission tube 8.Screw thread, the level pressure disk are provided in axial hole 12
9 circumference of piece thickeies and has external screw thread and the screw-thread fit in axial hole 12, level pressure disc 9 that can be crushed in the case where bearing certain pressure.
9 rated pressure of level pressure disc installed on upper pressure-transmission tube 1 is less than the level pressure disc 9 installed on lower pressure-transmission tube 8.
Cylindrical shape is presented in upper power set 3 as shown in Figure 2, and outer wall is distributed two identical length of shapes and sizes side by side
Rectangular windowing 3a；Uniform thickness arc plate is presented in power sliding block 4 as shown in Figure 3, and there are two power sliding blocks 4, respectively with two
Open a window 3a cooperations, there are one convex block 4a, convex block 4a is the small cylinder of protrusion, the end of cylinder in 4 concave-shaped arc surface of power sliding block
Face is spherical；Ball valve 5 as shown in Figure 4 is sphere, has the centre bore 5a of perforation on sphere, is also distributed two switches on sphere
Hole 5b, switch hole 5b axis are coordinated with the convex block 4a in power sliding block 4, are opened for two on ball valve 5 by spherical shape, switch hole 5b respectively
The centerlines for closing the hole holes 5b are 90.61 °, and the center line three-way hole centerlines of each circular hole are 45.305 °.
Support mandrel 6 is cylindrical in shape structure, and upper end is contacted with ball valve 5, is concentrically mounted in power set 3, lower end is extended
Upper power set 3.1 lower end of upper pressure-transmission tube and 6 upper end of support mandrel are also associated with axle sleeve, and axle sleeve is contacted with ball valve 5, axle sleeve and ball valve
5 contact end faces are the spherical arc for being bonded 5 outer surface of ball valve, are provided between axle sleeve and upper pressure-transmission tube 1 and support mandrel 6 close
Seal apparatus.Lower power set 7 is cylindrical in shape structure, is concentrically mounted on inside outer barrel 22, and with outside support mandrel 6, lower power covers 7 for socket
Lower face annulus area is more than upper power and covers 3 upper surface annulus areas；Lower pressure-transmission tube 8 is cylindrical in shape structure, upper end and support mandrel 6
Cooperation, outer circle connect outer barrel 2, and lower 8 lower end of pressure-transmission tube is connected with connector, has an axial hole in 8 major diameter position wall thickness of lower pressure-transmission tube
12 and and axis parallel, axial hole 12 run through 8 upper end of lower pressure-transmission tube, there are one radial hole 11 and axial hole on the outside of major diameter
12 intersect and are connected to.
Upper pressure-transmission tube 1 and outer barrel 2, upper power set 3 and outer barrel 2, upper power set 3 and upper pressure-transmission tube 1, upper power set 3 and branch
Support core axis 6, lower power set 7 and outer barrel 2, lower power set 7 and support mandrel 6, support mandrel 6 and lower pressure-transmission tube 8, lower pressure-transmission tube 8
It is both provided with sealing device between outer barrel 2 and ensures that pipeline interior sealing, the sealing device are to be present in cylinder body outer wall or interior
The seal groove and sealing ring of wall.Upper pressure-transmission tube 1, support mandrel 6 are identical with lower 8 internal diameter of pressure-transmission tube.
During practice of construction, upper power set 3 can be moved into top dead centre before going into the well, ball valve 5, which is in, at this time closes
State, 9 rated pressure of level pressure disc installed on upper pressure-transmission tube 1 are less than the level pressure disc 9 installed on lower pressure-transmission tube 8, under
During well, when needing induced flow, increase annular pressure, the level pressure disc 9 on upper pressure-transmission tube 1 first ruptures, radial on upper pressure-transmission tube 1
Hole 11 and annular space environment unicom, annulus fluid enter radial hole 11 and longitudinal hole, and then enter upper pressure-transmission tube 1, outer barrel 2 and upper dynamic
Power covers the clearance space between 3, and power set 3 moves down in promotion, and then power sliding block 4 is displaced downwardly to lower limit position, and ball valve 5 rotates
To centre bore 5a and 6 endoporus unicom of upper pressure-transmission tube 1 and support mandrel；When needing to close valve, annular pressure is further increased
Until pressure disc rupture on lower pressure-transmission tube 8, this clearance space that pressure-transmission tube 8, outer barrel 2 and lower power cover between 7 at present also fills
Full annulus fluid covers 3 upper end anchor ring areas, pressure in environment since lower power covers 7 lower end anchor ring areas and is more than upper power at this time
Centainly, the upward power that lower power set 7 is subject to is more than the downward power that upper power set 3 receives, and then power set 7 and upper dynamic at present
Power set 3 is moved up to upper limit position, and ball valve 5 is closed.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in the above embodiment, also
Include by the above technical characteristic arbitrarily the formed technical solution of combination.
Claims (10)
1. a kind of gas well induced flow switch valve, which is characterized in that including upper pressure-transmission tube (1), outer barrel (2), upper power set (3), power
Sliding block (4), ball valve (5), support mandrel (6), lower power set (7), lower pressure-transmission tube (8) and level pressure disc (9), the upper pressure-transmission tube
(1) it is hollow cylinder, internal diameter rule, it is connector that outer circle, which has the half the circumference of the sleeve where it joins the shoulder of different-diameter, upper pressure-transmission tube (1) upper end, and outer circle connects
Outer barrel (2) is connect, there is an axial hole (12) in the wall thickness of upper pressure-transmission tube (1) major diameter position and is passed through with axis parallel, axial hole (12)
It is pierced by pressure-transmission tube (1) lower end, intersects and is connected to axial hole (12) there are one radial hole (11) on the outside of major diameter；The outer barrel
(2) it is cylindric, upper and lower side is separately connected pressure-transmission tube (1) and lower pressure-transmission tube (8)；Cylindric, outer wall is presented in upper power set (3)
It is distributed the identical rectangular windowing (3a) of two shapes and sizes side by side；Uniform thickness arc is presented in the power sliding block (4)
Plate, there are two power sliding blocks (4), coordinates respectively with two windowings (3a), has one in power sliding block (4) concave-shaped arc surface
A convex block (4a), the convex block (4a) are the small cylinder of protrusion, and the end face of cylinder is spherical；The ball valve (5) is sphere,
There is the centre bore (5a) of perforation on sphere, be also distributed two switch holes (5b) on sphere, switch hole (5b) axis passes through
Spherical shape, switch hole (5b) coordinate with the convex block (4a) in power sliding block (4) respectively；The support mandrel (6) is cylindrical in shape structure, on
End is contacted with ball valve (5), is concentrically mounted in power set (3), upper power set (3) is extended in lower end；The lower power set (7)
It is cylindrical in shape structure, is concentrically mounted on inside outer barrel (2) 2, socket is external with support mandrel (6), lower power set (7) lower face
Annulus area is more than upper power set (3) upper surface annulus area；The lower pressure-transmission tube (8) is cylindrical in shape structure, upper end and supporting-core
Axis (6) coordinates, and outer circle connects outer barrel (2), and lower pressure-transmission tube (8) lower end is connected with connector, in the wall thickness of lower pressure-transmission tube (8) major diameter position
Have an axial hole (12) and and axis parallel, axial hole (12) run through lower pressure-transmission tube (8) upper end, on the outside of the major diameter there are one
Radial hole (11) intersects and is connected to axial hole (12)；The level pressure disc (9) is the piece that can be crushed in the case where bearing certain pressure
Shape body is mounted in radial hole (11).
2. a kind of gas well induced flow switch valve as described in claim 1, it is characterised in that：The upper pressure-transmission tube (1) and outer barrel
(2), upper power set (3) and outer barrel (2), upper power set (3) and upper pressure-transmission tube (1), upper power set (3) and support mandrel (6), under
Power set (7) and outer barrel (2), lower power set (7) and support mandrel (6), support mandrel (6) and lower pressure-transmission tube (8), lower pressure-transmission tube
(8) it is both provided with sealing device between outer barrel (2) and ensures pipeline interior sealing.
3. a kind of gas well induced flow switch valve as claimed in claim 2, it is characterised in that：Upper pressure-transmission tube (1) lower end and branch
Support core axis (6) upper end is also associated with axle sleeve, and axle sleeve is contacted with ball valve (5), and the axle sleeve is to be bonded with ball valve (5) contact end face
The spherical arc of ball valve (5) outer surface, sealing device is provided between axle sleeve and upper pressure-transmission tube (1) and support mandrel (6).
4. a kind of gas well induced flow switch valve as claimed in claim 3, it is characterised in that:Upper two switch holes of ball valve (5)
The centerlines in the hole (5b) are 80-100 °, and axis and centre bore (5a) the axis line wire clamp angle of each switch hole (5b) are 40-
50°。
5. a kind of gas well induced flow switch valve as claimed in claim 4, it is characterised in that：Upper two switch holes of ball valve (5)
The centerlines in the hole (5b) are 90.61 °, and the center line three-way hole centerlines of each circular hole are 45.305 °.
6. a kind of gas well induced flow switch valve as claimed in claim 5, it is characterised in that：It is provided with spiral shell in the axial hole (12)
Line, level pressure disc (9) circumference thicken and have external screw thread and the screw-thread fit in axial hole (12).
7. a kind of gas well induced flow switch valve as claimed in claim 6, it is characterised in that：The upper pressure-transmission tube (1), outer barrel (2)
It is connected through a screw thread between lower pressure-transmission tube (8).
8. a kind of gas well induced flow switch valve as claimed in claim 7, it is characterised in that：The upper pressure-transmission tube (1), support mandrel
(6) identical with lower pressure-transmission tube (8) internal diameter.
9. a kind of gas well induced flow switch valve as claimed in claim 8, it is characterised in that：The sealing device is to be present in cylinder
The seal groove and sealing ring of outer wall or inner wall.
10. a kind of gas well induced flow switch valve as claimed in claim 9, it is characterised in that：It is installed on the upper pressure-transmission tube (1)
Level pressure disc (9) rated pressure be less than the level pressure disc (9) installed on lower pressure-transmission tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085569.6U CN207795160U (en) | 2018-01-18 | 2018-01-18 | Gas well induced flow switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085569.6U CN207795160U (en) | 2018-01-18 | 2018-01-18 | Gas well induced flow switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795160U true CN207795160U (en) | 2018-08-31 |
Family
ID=63271151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820085569.6U Withdrawn - After Issue CN207795160U (en) | 2018-01-18 | 2018-01-18 | Gas well induced flow switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086946A (en) * | 2018-01-18 | 2018-05-29 | 江苏航天鸿鹏数控机械有限公司 | Gas well induced flow switch valve |
-
2018
- 2018-01-18 CN CN201820085569.6U patent/CN207795160U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086946A (en) * | 2018-01-18 | 2018-05-29 | 江苏航天鸿鹏数控机械有限公司 | Gas well induced flow switch valve |
| CN108086946B (en) * | 2018-01-18 | 2024-02-20 | 江苏航天鸿鹏数控机械有限公司 | Gas well blowout inducing switch valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |