CN108590578A - A kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing - Google Patents
A kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing Download PDFInfo
- Publication number
- CN108590578A CN108590578A CN201810379092.7A CN201810379092A CN108590578A CN 108590578 A CN108590578 A CN 108590578A CN 201810379092 A CN201810379092 A CN 201810379092A CN 108590578 A CN108590578 A CN 108590578A
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- sliding sleeve
- sleeve
- low
- shell
- groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000008602 contraction Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004033 diameter control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of repeatable switching sliding sleeve mechanisms for sliding sleeve of bushing, including shell, seal sliding sleeve and low sleeve, shell upper is equipped with fluid hole, sliding sleeve and low sleeve is sealed to be set in shell, fluid hole is Chong Die with a part for sealing sliding sleeve, in the bottom hole of the upper end sealing sliding sleeve of low sleeve, it seals sliding sleeve upper inside wall and is equipped with annular groove, sealing sliding sleeve is connected with low sleeve by closing shear pin, low sleeve is fixedly connected with shell by opening shear pin, it seals and is equipped with the first groove between sliding sleeve and low sleeve, first groove, which is set to, closes below shear pin, reducing control ring is equipped in first groove；Further include locking structure, the first part of locking structure is set to outer casing inner wall lower part, and second part is set on low sleeve.The present invention solves the problems such as cannot being closed existing for existing sliding sleeve of bushing tool, completion tubular column cannot keep full-bore, can effectively reduce the construction costs such as oil gas field later stage wellbore treatments, the closure of layer position.
Description
Technical field
The invention belongs to oil-gas field development technical fields, and in particular to a kind of repeatable switching sliding sleeve for sliding sleeve of bushing
Mechanism.
Background technology
The exploitation of current water of oil-gas field horizontal well is widely used well completion of casing sliding sleeve and light well-case perforating completion work, wherein covering
Pipe sliding sleeve is based on pitching opening ways.There are the tools that many ball seats etc. influence interior latus rectum in well completion of casing sliding sleeve tubing string, no
It can realize full-bore, be unfavorable for later stage wellbore services and measures to reform；Light well-case perforating well-completing process cannot be repaiied after well-case perforating
It is multiple, it is unfavorable for later stage layer position and blocks operation.
Invention content
The purpose of the present invention is overcoming above-mentioned technical problem of the existing technology, meets reuse and completion pit shaft is protected
Hold the demand of full-bore.
Technical solution provided by the invention is as follows：
A kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing, including shell, sealing sliding sleeve and low sleeve, on the shell
Portion is equipped with fluid hole, and the sealing sliding sleeve and low sleeve are set in shell, the part weight of the fluid hole and sealing sliding sleeve
Folded, in the bottom hole of the upper end sealing sliding sleeve of the low sleeve, the sealing sliding sleeve upper inside wall is equipped with annular groove, described close
Envelope sliding sleeve is connected with low sleeve by closing shear pin, and the low sleeve is fixedly connected with shell by opening shear pin,
The sealing sliding sleeve and low sleeve are axially movable, and the first groove is equipped between sealing sliding sleeve and the low sleeve, this is first recessed
Slot, which is set to, closes below shear pin, and reducing control ring is equipped in first groove；
Further include locking structure, the locking structure includes the first part being mutually matched and second part, the first part
Set on outer casing inner wall lower part, the second part is set on low sleeve.
The second groove is equipped between the outer casing inner wall lower part and low sleeve, second groove is up-small and down-big, smaller part
It is divided into low sleeve outer wall and runs through entire second groove, major part is by set on the groove of outer casing inner wall and outside low sleeve
The smaller portions lower end of wall forms, and the first part is the sawtooth lock ring in major part, and the second part is to set
In the buttless thread of low sleeve outer wall, which is set to the smaller portions top of the second groove.
The reducing control ring is c-type position control ring, and outer circle is equipped with chamfering.
Two seal assemblies are at least installed, which symmetrically sets along fluid hole respectively on the sealing sliding sleeve
It sets.
When slider mechanism needs to open, opener is sent to precalculated position, opener is anchored in low sleeve
After insulate upper and lower space, later upper space pressurize, when upper and lower space pressure difference be more than open shear pin pre-set shear
After power, opens shear pin and be sheared disconnected, opener and low sleeve, sealing sliding sleeve form association and move down, on shell
Fluid hole, which exposes, realizes unlatching, and when association is displaced downwardly to bottom together, locking structure locks low sleeve and shell, you can into
Row pressing crack construction.After pressing crack construction, act opener, pit shaft keeps full-bore, you can operation of putting into production.
When slider mechanism needs to close, closing tool fishing lance is sent to precalculated position, fishing lance is stuck in sealing sliding sleeve
In the annular groove of wall, upper bailing lance applies upward pulling force to sealing sliding sleeve, since low sleeve and sealing sliding sleeve pass through closing
Shear pin and reducing control ring link together, and the pulling force effect above carried is closed shear pin and cut on the assembly
After cut-out, sealing sliding sleeve stress moves up, and forces reducing control ring radial contraction, seals sliding sleeve and low sleeve point at this time
From sealing sliding sleeve is moved upwardly together with closing tool, blocks the fluid hole above shell, realizes that sliding sleeve of bushing is closed；When close
While envelope sliding sleeve moves up the fluid hole for blocking shell, reducing control ring loses outer constraint, flicks again, prevents sealing
Sliding sleeve moves downward, and slider mechanism is made to remain off.
The opener includes sequentially connected seal member and slips anchoring structure from top to bottom.
When slider mechanism needs to be again turned on, tripping in is closed in tool fishing lance to the annular groove of sealing sliding sleeve inner wall,
It is downwardly applied to pressure, reducing control ring radial contraction, sealing sliding sleeve is made to move down up to fully opening fluid hole, meanwhile, it can be changed
Diameter control ring flicks in the first groove, and sealing sliding sleeve is connected locking with low sleeve again
The beneficial effects of the invention are as follows：
This repeatable switching sliding sleeve mechanism for sliding sleeve of bushing provided by the invention connects specific purpose tool using coiled tubing
The unlatching of sliding sleeve of bushing may be implemented, selectivity is closed and is again turned on, completion pit shaft holding full-bore.Solves existing casing
It cannot be closed existing for sliding sleeve tool, the problems such as completion tubular column cannot keep full-bore, can effectively reduce oil gas field late well
The construction costs such as cylinder processing, the closure of layer position.
It is described in further details below in conjunction with attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is that the present invention opens implementation schematic diagram；
Fig. 4 is open state schematic diagram of the present invention；
Fig. 5 is partial enlarged view at B in Fig. 4；
Fig. 6 is that the present invention closes implementation schematic diagram；
Fig. 7 is c-type position control ring structural schematic diagram；
Fig. 8 is that the present invention closes implementation process status diagram；
Fig. 9 is closed mode schematic diagram of the present invention；
Figure 10 is partial enlarged view at D in Fig. 9；
Figure 11 is that the present invention is again turned on schematic diagram.
In figure：1, seal assembly；2, sliding sleeve is sealed；3, shell；4, shear pin is closed；5, c-type position control ring；6, under
Sliding sleeve；7, shear pin is opened；8, sawtooth lock ring；9, coiled tubing；10, opener；11, tool is closed；12, fluid hole；
13, annular groove；14, the first groove；15, the second groove.
Specific implementation mode
Embodiment 1：
Present embodiments provide a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing, including shell 3,2 and of sealing sliding sleeve
Low sleeve 6,3 top of the shell are equipped with fluid hole 12, the sealing sliding sleeve 2 and low sleeve 6 in shell 3, it is described go out
Fluid apertures 12 is Chong Die with a part for sealing sliding sleeve 2, and in the bottom hole of the upper end sealing sliding sleeve 2 of the low sleeve 6, the sealing is slided
It covers 2 upper inside walls to connect by closing shear pin 4 equipped with annular groove 13, the sealing sliding sleeve 2 and low sleeve 6, under described
Sliding sleeve 6 is fixedly connected with shell 3 by opening shear pin 7, and the sealing sliding sleeve 2 and low sleeve 6 are axially movable, described close
It seals and is equipped with the first groove 14 between sliding sleeve 2 and low sleeve 6, which, which is set to, closes 4 lower section of shear pin, and described first
Reducing control ring is equipped in groove 14；
Further include locking structure, the locking structure includes the first part being mutually matched and second part, the first part
Set on 3 inner wall lower of shell, the second part is set on low sleeve 6.
The course of work：Slider mechanism provided in this embodiment is lowered into design position together with casing.When sliding sleeve machine
When structure needs to open, opener 10 is sent to precalculated position, packing is upper and lower after opener 10 is anchored in low sleeve 6
Space, upper space pressurization later, after the pressure difference in upper and lower space is more than the pre-set shear power for opening shear pin 7, unlatching is cut
It cuts pin 7 and is sheared disconnected, opener 10 and low sleeve 6, sealing sliding sleeve 2 form association and move down, the fluid hole on shell 3
12, which expose realization, opens, and when association is displaced downwardly to bottom together, locking structure locks low sleeve 6 and shell 3, you can carries out
Pressing crack construction.After pressing crack construction, act opener 10, pit shaft keeps full-bore, you can operation of putting into production.
When slider mechanism needs to close, the fishing lance of closing tool 11 is sent to precalculated position, fishing lance is stuck in sealing sliding sleeve 2
In the annular groove 13 of inner wall, upper bailing lance applies upward pulling force, due to low sleeve 6 and sealing sliding sleeve 2 to sealing sliding sleeve 2
It is linked together by closing shear pin 4 and reducing control ring, the pulling force effect above carried closes shearing on the assembly
Pin 4, which is sheared, has no progeny, and sealing 2 stress of sliding sleeve moves up, and forces reducing control ring radial contraction, seals sliding sleeve 2 at this time
It is detached with low sleeve 6, sealing sliding sleeve 2 is moved upwardly together with closing tool 11, blocks the fluid hole 12 above shell 3, is realized
Sliding sleeve of bushing is closed；While sealing sliding sleeve 2 and moving up fluid hole 12 for blocking shell 3, reducing control ring loses outer
Constraint, flicks again, prevents sealing sliding sleeve 2 from moving downward, slider mechanism is made to remain off.
When slider mechanism needs to be again turned on, tripping in closes tool 11 and drags for lance to the annular groove for sealing 2 inner wall of sliding sleeve
In 13, it is downwardly applied to pressure, reducing control ring radial contraction, sealing sliding sleeve 2 is made to move down until fully opening fluid hole 12, together
When, reducing control ring flicks in the first groove 14, again will sealing sliding sleeve 2 and the connection locking of low sleeve 6.
Embodiment 2：
On the basis of embodiment 1, present embodiments provides and a kind of as shown in Figure 1 and Figure 2 opened for the repeatable of sliding sleeve of bushing
Slider mechanism is closed, the second groove 15 is equipped between 3 inner wall lower of the shell and low sleeve 6, under small on second groove 15
Greatly, smaller portions are set to 6 outer wall of low sleeve and run through entire second groove 15, and major part is by the groove set on 3 inner wall of shell
It being formed with set on the smaller portions lower end of 6 outer wall of low sleeve, the first part is the sawtooth lock ring 8 in major part,
The second part is the buttless thread set on 6 outer wall of low sleeve, which is set in the smaller portions of the second groove 15
Portion.
The reducing control ring is c-type position control ring 5, and outer circle is equipped with chamfering.
The course of work：When slider mechanism needs to open, as shown in figure 3, the transmission of opener 10 is sent with coiled tubing 9
Enter to precalculated position, the upper and lower space of packing after opener 10 is anchored in low sleeve 6, upper space pressurizes later, when it is upper,
After the pressure difference of down space is more than the pre-set shear power for opening shear pin 7, opens shear pin 7 and be sheared disconnected, opener 10
Association is formed with low sleeve 6, sealing sliding sleeve 2 and is moved down, and the fluid hole 12 on shell 3, which exposes, realizes unlatching, you can is pressed
It splits, as shown in Figure 4；As shown in figure 5, when association is displaced downwardly to bottom together, the buttless thread on low sleeve 6 enters second
In sawtooth lock ring 8 in groove 15, low sleeve 6 is locked at this time, cannot move up, after pressing crack construction, finally rise out
Opener 10, you can carry out pressure break, production operation.When carrying out pressing crack construction, due to opener 10 and low sleeve 6 it
Between there are certain frictional resistance, it can thus be avoided the association that low sleeve 6 is formed with sealing sliding sleeve 2 is in company with opener 10
It above carries together, slider mechanism is caused to be re-closing off.
When slider mechanism needs to close, as shown in fig. 6, the fishing lance of closing tool 11 will be sent to coiled tubing 9 pre-
Positioning is set, and fishing lance is stuck in the annular groove 13 of sealing 2 inner wall of sliding sleeve, upper bailing lance, applies upward drawing to sealing sliding sleeve 2
Power, since low sleeve 6 and sealing sliding sleeve 2 are linked together by closing shear pin 4 and c-type position control ring 5, the drawing above carried
Force effect, since low sleeve 6 locks under the action of sawtooth lock ring 8, cannot move up, therefore, to close on the assembly
Envelope sliding sleeve 2 applies upward pulling force and first acts on closing shear pin 4, has no progeny when closing shear pin 4 is sheared, pulling force
It acts in c-type position control ring 5, when sealing 2 stress of sliding sleeve moves up, forces 5 radial contraction of c-type position control ring,
It seals sliding sleeve 2 at this time and low sleeve 6 unlocks, sealing sliding sleeve 2 is moved upwardly together with closing tool 11, is blocked on shell 3
The fluid hole 12 in face realizes that sliding sleeve of bushing is closed, as shown in Figure 8.As shown in figure 9, when sealing sliding sleeve 2 moves up closure shell
While 3 fluid hole 12, c-type position control ring 5 loses outer constraint, flicks again（As shown in Figure 10）, can prevent to seal
Sliding sleeve 2 moves downward, and sliding sleeve of bushing is made to remain off.
When needing to be again turned on, as shown in figure 11, tool 11 is closed to sealing 2 inner wall of sliding sleeve with 9 tripping in of coiled tubing
Annular groove 13 in, be downwardly applied to pressure, when pushing power generate radial component be more than, the radial direction of c-type position control ring 5
When deflation resistance, 5 radial contraction of c-type position control ring, sealing sliding sleeve 2 can be forced to move down until fully opening sliding sleeve of bushing, together
When, c-type position control ring 5 flicks in the first groove 14, relocks low sleeve 6 and sealing sliding sleeve 2.
When slider mechanism needs to be again turned on, tripping in closes tool 11 and drags for lance to the annular groove for sealing 2 inner wall of sliding sleeve
In 13, it is downwardly applied to pressure, reducing control ring radial contraction, sealing sliding sleeve 2 is made to move down until fully opening fluid hole 12, together
When, reducing control ring flicks in the first groove 14, again will sealing sliding sleeve 2 and the connection locking of low sleeve 6.
Wherein, the opener 10 includes sequentially connected seal member and slips anchoring structure from top to bottom, such as Fig. 3
Shown in.C-type position control ring 5 is as shown in fig. 7, its outer circle is equipped with chamfering, as shown in Figure 10.As shown in Figure 1, the sealing is slided
Two seal assemblies 1 are at least installed on set 2, which is symmetrical arranged along fluid hole 12 respectively.
The part that above example does not specifically describe belongs to the common knowledge and known technology of the art, herein
No longer it is described in detail one by one.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (8)
1. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing, it is characterised in that：Including shell（3）, sealing sliding sleeve（2）
And low sleeve（6）, the shell（3）Top is equipped with fluid hole（12）, the sealing sliding sleeve（2）And low sleeve（6）It is set to outer
Shell（3）It is interior, the fluid hole（12）With sealing sliding sleeve（2）A part overlapping, the low sleeve（6）Upper end seal sliding sleeve
（2）Bottom hole in, the sealing sliding sleeve（2）Upper inside wall is equipped with annular groove（13）, the sealing sliding sleeve（2）And low sleeve
（6）By closing shear pin（4）Connection, the low sleeve（6）With shell（3）By opening shear pin（7）It is fixedly connected,
The sealing sliding sleeve（2）And low sleeve（6）It is axially movable, the sealing sliding sleeve（2）And low sleeve（6）Between be equipped with it is first recessed
Slot（14）, first groove（14）Set on closing shear pin（4）Lower section, first groove（14）The interior reducing that is equipped with controls
Ring；
Further include locking structure, the locking structure includes the first part being mutually matched and second part, the first part
Set on shell（3）Inner wall lower, the second part are set to low sleeve（6）On.
2. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 1, it is characterised in that：It is described
Shell（3）Inner wall lower and low sleeve（6）Between be equipped with the second groove（15）, second groove（15）It is up-small and down-big, it is smaller
Part is set to low sleeve（6）Outer wall simultaneously runs through entire second groove（15）, major part is by being set to shell（3）The groove of inner wall and
Set on low sleeve（6）The smaller portions lower end of outer wall forms, and the first part is the sawtooth lock ring in major part
（8）, the second part is set on low sleeve（6）The buttless thread of outer wall, the buttless thread are set to the second groove（15）Compared with
Fraction top.
3. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 1, it is characterised in that：It is described
Reducing control ring is c-type position control ring（5）, outer circle is equipped with chamfering.
4. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 1, it is characterised in that：It is described
Seal sliding sleeve（2）On two seal assemblies are at least installed（1）, two seal assemblies（1）Respectively along fluid hole（12）Symmetrically set
It sets.
5. according to a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing of claim 1-4 any one of them, feature
It is：When slider mechanism needs to open, by opener（10）It is sent to precalculated position, opener（10）It is anchored on downslide
Set（6）The upper and lower space of packing after interior, later upper space pressurization open shear pin when the pressure difference in upper and lower space is more than（7）
Pre-set shear power after, open shear pin（7）It is sheared disconnected, opener（10）With low sleeve（6）, sealing sliding sleeve（2）Group
It at association and moves down, shell（3）On fluid hole（12）Expose and realizes and open, when association is displaced downwardly to bottom together, lock
Structure is determined by low sleeve（6）And shell（3）Locking, you can carry out pressing crack construction；After pressing crack construction, act opener
（10）, pit shaft holding full-bore, you can operation of putting into production.
6. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 5, it is characterised in that：Work as cunning
When set mechanism needs to close, by the tool of closing（11）Fishing lance is sent to precalculated position, and fishing lance is stuck in sealing sliding sleeve（2）The ring of inner wall
Connected in star（13）It is interior, upper bailing lance, to sealing sliding sleeve（2）Apply upward pulling force, due to low sleeve（6）With sealing sliding sleeve（2）
By closing shear pin（4）It links together with reducing control ring, the pulling force effect above carried on the assembly, cut by closing
Cut pin（4）It is sheared and has no progeny, seal sliding sleeve（2）Stress moves up, and forces reducing control ring radial contraction, seals at this time
Sliding sleeve（2）And low sleeve（6）Separation seals sliding sleeve（2）With the tool of closing（11）It moves upwardly together, blocks shell（3）Above
Fluid hole（12）, realize that sliding sleeve of bushing is closed；When sealing sliding sleeve（2）Move up closure shell（3）Fluid hole（12）'s
Meanwhile reducing control ring loses outer constraint, flicks again, prevents sealing sliding sleeve（2）It moves downward, slider mechanism is made to keep closing
Closed state.
7. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 5, it is characterised in that：It is described
Opener（10）Including sequentially connected seal member from top to bottom and slips anchoring structure.
8. a kind of repeatable switching sliding sleeve mechanism for sliding sleeve of bushing according to claim 6, it is characterised in that：Work as cunning
When set mechanism needs to be again turned on, tool is closed in tripping in（11）Fishing lance is to sealing sliding sleeve（2）The annular groove of inner wall（13）It is interior, to
Lower application pressure makes reducing control ring radial contraction, seals sliding sleeve（2）It moves down until fully opening fluid hole（12）, meanwhile,
Reducing control ring is in the first groove（14）It inside flicks, sliding sleeve will be sealed again（2）And low sleeve（6）Connection locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379092.7A CN108590578B (en) | 2018-04-25 | 2018-04-25 | Sliding sleeve mechanism capable of being repeatedly opened and closed for sleeve sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379092.7A CN108590578B (en) | 2018-04-25 | 2018-04-25 | Sliding sleeve mechanism capable of being repeatedly opened and closed for sleeve sliding sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590578A true CN108590578A (en) | 2018-09-28 |
| CN108590578B CN108590578B (en) | 2020-07-28 |
Family
ID=63609223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379092.7A Active CN108590578B (en) | 2018-04-25 | 2018-04-25 | Sliding sleeve mechanism capable of being repeatedly opened and closed for sleeve sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590578B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483042A (en) * | 2020-12-16 | 2021-03-12 | 贵州高峰石油机械股份有限公司 | Full-bore sliding sleeve switch |
| CN112780227A (en) * | 2021-02-20 | 2021-05-11 | 中海油能源发展股份有限公司 | Infinite-stage well cementation sliding sleeve for preventing cement solidification and assembling and operating method thereof |
| CN113404477A (en) * | 2021-08-05 | 2021-09-17 | 三一石油智能装备有限公司 | Fracturing tool |
| WO2022026571A1 (en) * | 2020-07-28 | 2022-02-03 | Baker Hughes Oilfield Operations Llc | Seal protection arrangement and system |
| CN114439421A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Well completion testing tool |
| CN114809986A (en) * | 2022-04-12 | 2022-07-29 | 中海油田服务股份有限公司 | Double-pipeline control hydraulic sliding sleeve and well completion tool |
| CN116006125A (en) * | 2021-10-21 | 2023-04-25 | 中国石油天然气集团有限公司 | Closable differential pressure sliding sleeve |
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| WO2014093755A3 (en) * | 2012-12-13 | 2014-12-04 | Weatherford/Lamb, Inc. | Sliding sleeve having ramped, contracting, segmented ball seat |
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| CN107366522A (en) * | 2017-08-01 | 2017-11-21 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | The sliding sleeve opener and its sliding sleeve of bushing of a kind of variable-length |
Cited By (9)
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| WO2022026571A1 (en) * | 2020-07-28 | 2022-02-03 | Baker Hughes Oilfield Operations Llc | Seal protection arrangement and system |
| CN114439421A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Well completion testing tool |
| CN112483042A (en) * | 2020-12-16 | 2021-03-12 | 贵州高峰石油机械股份有限公司 | Full-bore sliding sleeve switch |
| CN112780227A (en) * | 2021-02-20 | 2021-05-11 | 中海油能源发展股份有限公司 | Infinite-stage well cementation sliding sleeve for preventing cement solidification and assembling and operating method thereof |
| CN112780227B (en) * | 2021-02-20 | 2023-06-23 | 中海油能源发展股份有限公司 | Infinite-level well cementation sliding sleeve capable of preventing cement from being solidified and assembling and operating method thereof |
| CN113404477A (en) * | 2021-08-05 | 2021-09-17 | 三一石油智能装备有限公司 | Fracturing tool |
| CN116006125A (en) * | 2021-10-21 | 2023-04-25 | 中国石油天然气集团有限公司 | Closable differential pressure sliding sleeve |
| CN114809986A (en) * | 2022-04-12 | 2022-07-29 | 中海油田服务股份有限公司 | Double-pipeline control hydraulic sliding sleeve and well completion tool |
| CN114809986B (en) * | 2022-04-12 | 2024-02-13 | 中海油田服务股份有限公司 | Double-pipeline control hydraulic sliding sleeve and well completion tool |
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Effective date of registration: 20201027 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 710018 Shaanxi province Xi'an Weiyang Changqing Changqing prosperous Park District Building Room 1203 Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co. |