CN206352502U - Stream blanking plug is adjusted in zero leakage - Google Patents
Stream blanking plug is adjusted in zero leakage Download PDFInfo
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- CN206352502U CN206352502U CN201621402691.9U CN201621402691U CN206352502U CN 206352502 U CN206352502 U CN 206352502U CN 201621402691 U CN201621402691 U CN 201621402691U CN 206352502 U CN206352502 U CN 206352502U
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- main body
- core bar
- sealing ring
- bar
- blanking plug
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Abstract
The utility model is related to the leakage of one kind zero and adjusts stream blanking plug, and it includes dragging for bar(1), plug screw(2), upper main body(3), core bar(4), lower main body(5)With sand control cap(6), core bar(4)External thread section(41)The lower section of position is sequentially provided with positioned at lower main body from the top down(5)It is interior and be sleeved on core bar(4)On spacer(34), stage clip two(35)And dottle pin(36), dottle pin(36)Lower section is sequentially provided with is sleeved on core bar from the top down(4)It is upper and with lower main body(5)Inwall, which slides axially, seals the sheath of cooperation(42), T-shaped sealing ring(43)And water nozzle(44), lower main body(5)With sheath(42), T-shaped sealing ring(43)And water nozzle(44)The side wall for sealing cooperation position slide axially provided with liquid flow hole(51).Its good airproof performance, it is possible to achieve zero misses and can adjust stream, it is not necessary to stagnant water mouth is first installed using common blanking plug and is replaced with tune stream blanking plug again, it is easy for operation, substantial amounts of manpower and materials can be saved.
Description
Technical field
The utility model is related to petroleum tool, and in particular to a kind of oil field, which is surveyed, adjusts linkage water injection work tune stream blanking plug.
Background technology
It is many using stream blanking plug is adjusted during oil field water well water injection work, because it can be directly right in underground by measurement and adjustment instrument device
Water injection rate is adjusted, and regulation is more convenient, so being widely adopted.But the water nozzle for being due to this blanking plug is difficult to accomplish zero leakage
Lose, i.e., when tubing string is suppressed and rises by envelope it cannot be guaranteed that pressure system zero pressure drop, so can only be first using common blanking plug installation stagnant water
Mouth is gone into the well, and is treated that tubing string is suppressed to rise and is honored as a queen, then pulls common blanking plug out ground, is replaced with tune stream blanking plug and is carried out runoff investigation,
One, which drags for a throwing, wastes substantial amounts of manpower and materials, operates and also not enough facilitates.
The content of the invention
The purpose of this utility model is to provide a kind of good airproof performance, it is possible to achieve zero misses and the zero of stream can be adjusted to miss tune
Flow blanking plug.
Technical solution of the present utility model is:It includes dragging for bar, plug screw, upper main body, core bar, lower main body and sand control
Cap, plug screw slides axially to be sleeved on from the top down and dragged on bar, drags for the pressure for being provided with above the outward flange of bar lower end and being sleeved on and dragging on bar
Spring one, the upper end of stage clip one is engaged with the inner face of plug screw, lower end is engaged with dragging for the upper surface of bar outward flange, upper main body
Upper end is enclosed on the outside for dragging for bar lower end and is axially connected with the lower end of plug screw by screw thread, and the bottom for dragging for bar passes through screw thread axial direction
Being axially sleeved ikn in main body for main body on the inner sleeve in the upper main body, the upper end edge of core bar is connected with, core bar upper end
Splined shaft section is sleeved in inner sleeve and the interior splined hole axial sliding fit put, is provided with and is hinged in main body below inner sleeve
The cam being engaged with inner sleeve lower surface, upper main body installs the lower section inwall of cam position provided with one section of internal thread segment, core bar
The position corresponding with internal thread segment is provided with the external thread section being engaged with internal thread segment, and the upper end of lower main body is enclosed on core bar lower half
The outside of section, upper end are connected by the way that the lower end of screw thread and upper main body is axial, the lower section of core bar external thread section position from the top down according to
Secondary be provided with is located in lower main body and is sleeved on the spacer on core bar, stage clip two and dottle pin, and dottle pin lower section is sequentially provided with from the top down
It is sleeved on core bar and is slid axially with lower main body inner wall and seals the sheath, T-shaped sealing ring and the water nozzle that coordinate, lower main body and shield
Set, T-shaped sealing ring and water nozzle slide axially the side wall for sealing cooperation position provided with liquid flow hole, and the bottom of core bar passes through screw thread
Nut sheath, T-shaped sealing ring and water nozzle being arranged on core bar is installed, the upper end of sand control cap passes through screw thread and lower main body
Lower end is axially connected.
It is of the present utility model to have the technical effect that:Its good airproof performance, it is possible to achieve zero misses and can adjust stream, it is not necessary to first adopt
Stagnant water mouth is installed with common blanking plug and is replaced with tune stream blanking plug again, it is easy for operation, substantial amounts of manpower and materials can be saved.
It can be surveyed in oil field adjusts linkage water injection work to accelerate job scheduling, can improve operating efficiency, and survey adjusts effect more smart
Really, it is more beneficial for being smoothed out for next step operation.
Advantages of the present invention:The present invention has installed T-shape rubber sealing mechanism additional in zirconium oxide water nozzle upper end, and 1, ensure that water
Before mouth starts, the sealing state of flow channels;2nd, T-shape rubber ring structure ensures water nozzle starting torque in a high voltage state again when,
Moment of torsion can be controlled in less numerical value, be unlikely to influence water nozzle and started;3rd, moment is opened and after water nozzle unlatching in water nozzle,
Conventional apron can be washed out or washed out by High-Pressure Water, the occurrence of T-shape rubber ring structure can be effectively prevented from above-mentioned.
Brief description of the drawings
Fig. 1 is the utility model embodiment sectional view.
Embodiment
As shown in figure 1, it includes dragging for bar 1, plug screw 2, upper main body 3, core bar 4, lower main body 5 and sand control cap 6, plug screw 2 is from upper
Slip cap drags for the stage clip 1 for being provided with above the outward flange of the lower end of bar 1 and being sleeved on and dragging on bar 1, pressure mounted in dragging on bar 1 axially downwards
The upper end of spring 1 is engaged with the inner face of plug screw 2, lower end is engaged with dragging for the upper surface of the outward flange of bar 1, upper main body 3 it is upper
End is enclosed on the outside for dragging for the lower end of bar 1 and is axially connected with the lower end of plug screw 2 by screw thread, and the bottom for dragging for bar 1 passes through thread spindle
To being connected with being axially sleeved ikn in main body 3 of main body 3 on the inner sleeve 31 in the upper main body 3, the upper end edge of core bar 4, core bar 4
The splined shaft section of upper end is sleeved in inner sleeve 31 is provided with hinge with the splined hole axial sliding fit in inner sleeve 31, the lower section of inner sleeve 31
The cam 32 being engaged with the lower surface of inner sleeve 31 in main body 3 is connected on, upper main body 3 is installed on the lower section inwall of the position of cam 32
Provided with one section of internal thread segment 33, the position corresponding with internal thread segment 33 of core bar 4 is provided with the external screw thread being engaged with internal thread segment
Section 41, the upper end of lower main body 5 is enclosed on the outside of the lower semisection of core bar 4, upper end and is axially connected with the lower end of upper main body 3 by screw thread,
The lower section of the position of 4 external thread section of core bar 41 is sequentially provided with the spacer in lower main body 5 and being sleeved on core bar 4 from the top down
34th, stage clip 2 35 and dottle pin 36, the lower section of dottle pin 36 be sequentially provided with from the top down be sleeved on core bar 4 and with the lower inwall axle of main body 5
To the sheath 42, T-shaped sealing ring 43 and water nozzle 44 for being slidingly sealed cooperation, lower main body 5 and sheath 42, T-shaped sealing ring 43 and water nozzle
The 44 side walls for sliding axially sealing cooperation position are provided with liquid flow hole 51, and the bottom of core bar 4 is provided with sheath by screw thread
42nd, T-shaped sealing ring 43 and water nozzle 44 are arranged on the nut 45 on core bar 4, and the upper end of sand control cap 6 passes through screw thread and lower main body 5
Lower end is axially connected.
The upper semisection outer wall of spacer 34 can be axially engaged with the endoporus of internal thread segment 33 of upper main body 3, lower semisection outer wall
Provided with the outward flange being engaged with the lower surface of the upper internal thread segment 33 of main body 3, the top of stage clip 2 35 is sleeved in spacer 34
Upper end is engaged with the inner face of spacer 34, lower end is engaged with the upper surface of dottle pin 36, the lower surface of dottle pin 36 and lower main body 5
Inner face be engaged.
Lower main body 5 is provided with the inwall below the position of liquid flow hole 51 and is provided with and sheath 42, T-shaped sealing ring 43 and water nozzle 44
The water nozzle set 52 that the sealing that slides axially coordinates.In annular space between the lower surface of water nozzle set 52 and the upper surface of sand control cap 6
Provided with one of sealing ring 7.Lower main body 5 is provided with the inwall above the position of liquid flow hole 51 provided with one of seal groove, seal groove
It is interior to be provided with the sealing ring 7 that cooperation is slidingly sealed with sheath 42 and T-shaped sealing ring 43.
The material of water nozzle 44 and water nozzle set 52 is zirconium oxide.
T-shaped sealing ring 43 is arranged in the T-shaped seal groove between sheath 42 and water nozzle 44, the inwall of T-shaped sealing ring 43
The wide outer wall side in side is narrow, inwall is engaged with core bar 4, outer wall and the lower axial sliding fit of main body 5.
The outer wall of lower main body 5 is provided with two seals ring recess and is separately installed with sealing ring 7.Set on the outer wall of sand control cap 6
There is two seals ring recess and be separately installed with sealing ring 7.
The outer wall of the suit sheath 42 of core bar 4 position is provided with one of seal groove and is provided with sealing ring 7.
Two ends are set with the axle that cam 32 is hinged with upper main body 3 to be engaged respectively with upper main body 3 and cam 32 respectively
Torsion spring 37, torsion spring 37 can be such that the convex side automatic turning when not locked by inner sleeve 31 of cam 32 is transferred in main body 3.
Operation principle:Plug screw 2 is connected by this blanking plug input underground by the steel wire rope of winch wire on well, packing is reached
Steel wire rope is above carried in device during suitable position, cam 32 is opened and being pinned by inner sleeve 31 makes blanking plug be stuck in packer endoporus.
Bar 1 is dragged for by instrument turn on well, the rotation of bar 1 is dragged for and drives core bar 4 to rotate by inner sleeve 31, the external thread section 41 of core bar 4 and upper master
Internal thread segment 33 on body 3 is engaged, and regulation core bar 4 rises or falls in blanking plug, makes the liquid flow hole on the lower side wall of main body 5
51 with the conducting of the centre bore of sand control cap 6, close or aperture changes, realize and adjust stream.Due to using T-shaped sealing ring 43, it can make to block up
Fill in the better tightness of device, it is ensured that zero leakage.Upper bailing bar 1 during blanking plug is salvaged, bar 1 is dragged for and drives inner sleeve 31 up, inner sleeve
The locking action of 31 pairs of cams 32 is released, and cam 32 downwardly turns over the locking action solution to blanking plug in the presence of torsion spring 37
Remove, it is possible to salvage whole blanking plug onto well.
Claims (10)
1. stream blanking plug is adjusted in zero leakage, it includes dragging for bar(1), plug screw(2), upper main body(3), core bar(4), lower main body(5)With it is anti-
Sand cap(6), it is characterised in that:Plug screw(2)Slide axially to be sleeved on from the top down and drag for bar(1)On, drag for bar(1)The outward flange of lower end
Top, which is provided with to be sleeved on, drags for bar(1)On stage clip one(11), stage clip one(11)Upper end and plug screw(2)Inner face be engaged,
Lower end is with dragging for bar(1)The upper surface of outward flange is engaged, upper main body(3)Upper end be enclosed on and drag for bar(1)The outside of lower end simultaneously passes through
Screw thread and plug screw(2)Lower end axially be connected, drag for bar(1)Bottom be axially connected with positioned at upper main body by screw thread(3)It is interior
Inner sleeve(31), core bar(4)Upper end edge on main body(3)Be axially sleeved ikn main body(3)It is interior, core bar(4)The flower of upper end
Key shaft part is sleeved on inner sleeve(31)Interior and inner sleeve(31)On splined hole axial sliding fit, inner sleeve(31)Lower section is provided with and is hinged on
Upper main body(3)On and inner sleeve(31)The cam that lower surface is engaged(32), upper main body(3)Cam is installed(32)The lower section of position
Inwall is provided with one section of internal thread segment(33), core bar(4)With internal thread segment(33)Corresponding position is provided with and internal thread segment phase
The external thread section of cooperation(41), lower main body(5)Upper end be enclosed on core bar(4)Outside, the upper end of lower semisection pass through screw thread and upper master
Body(3)Lower end axially be connected, core bar(4)External thread section(41)The lower section of position is sequentially provided with positioned at lower main body from the top down
(5)It is interior and be sleeved on core bar(4)On spacer(34), stage clip two(35)And dottle pin(36), dottle pin(36)Lower section from the top down according to
Secondary be provided with is sleeved on core bar(4)It is upper and with lower main body(5)Inwall, which slides axially, seals the sheath of cooperation(42), T-shaped sealing ring
(43)And water nozzle(44), lower main body(5)With sheath(42), T-shaped sealing ring(43)And water nozzle(44)The sealing that slides axially coordinates position
The side wall put is provided with liquid flow hole(51), core bar(4)Bottom be provided with by screw thread by sheath(42), T-shaped sealing ring
(43)And water nozzle(44)Installed in core bar(4)On nut(45), sand control cap(6)Upper end pass through screw thread and lower main body(5)'s
Lower end is axially connected.
2. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the spacer(34)Upper semisection outer wall
Can be with upper main body(3)Internal thread segment(33)Endoporus is axially engaged, lower semisection outer wall is provided with and upper main body(3)Internal thread
Section(33)The outward flange that is engaged of lower surface, stage clip two(35)Top be sleeved on spacer(34)Interior upper end and spacer(34)'s
Inner face is engaged, lower end and dottle pin(36)Upper surface be engaged, dottle pin(36)Lower surface and lower main body(5)Inner face
It is engaged.
3. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the lower main body(5)Provided with liquid flow hole
(51)It is provided with inwall below position and sheath(42), T-shaped sealing ring(43)And water nozzle(44)The sealing that slides axially coordinates
Water nozzle set(52).
4. stream blanking plug is adjusted in zero leakage as claimed in claim 3, it is characterised in that the water nozzle set(52)Lower surface with
Sand control cap(6)Upper surface between annular space in provided with one sealing ring(7).
5. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the lower main body(5)Provided with liquid flow hole
(51)Inwall above position, which is provided with one of seal groove, seal groove, to be provided with and sheath(42)With T-shaped sealing ring(43)
It is slidingly sealed the sealing ring of cooperation(7).
6. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the T-shaped sealing ring(43)Installed in shield
Set(42)With water nozzle(44)Between T-shaped seal groove in, T-shaped sealing ring(43)The wide outer wall side in inwall side is narrow, inwall and core
Bar(4)Be engaged, outer wall and lower main body(5)Axial sliding fit.
7. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the lower main body(5)Outer wall be provided with
Two seals ring recess is simultaneously separately installed with sealing ring(7).
8. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the sand control cap(6)Outer wall be provided with
Two seals ring recess is simultaneously separately installed with sealing ring(7).
9. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the core bar(4)It is set with sheath(42)Position
The outer wall put is provided with one of seal groove and is provided with sealing ring(7).
10. stream blanking plug is adjusted in zero leakage as claimed in claim 1, it is characterised in that the cam(32)With upper main body(3)Phase
Be set with the axle being hinged two ends respectively with upper main body(3)And cam(32)The torsion spring being engaged respectively(37), torsion spring(37)Energy
Enough make cam(32)Not by inner sleeve(31)Convex side automatic turning is transferred to main body during locking(3)It is interior.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621402691.9U CN206352502U (en) | 2016-12-21 | 2016-12-21 | Stream blanking plug is adjusted in zero leakage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621402691.9U CN206352502U (en) | 2016-12-21 | 2016-12-21 | Stream blanking plug is adjusted in zero leakage |
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CN206352502U true CN206352502U (en) | 2017-07-25 |
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CN201621402691.9U Active CN206352502U (en) | 2016-12-21 | 2016-12-21 | Stream blanking plug is adjusted in zero leakage |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437648A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Zero leakage loss flow regulating and blocking device |
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2016
- 2016-12-21 CN CN201621402691.9U patent/CN206352502U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437648A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Zero leakage loss flow regulating and blocking device |
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