CN105672944B - A kind of sliding sleeve opening device - Google Patents
A kind of sliding sleeve opening device Download PDFInfo
- Publication number
- CN105672944B CN105672944B CN201610036826.2A CN201610036826A CN105672944B CN 105672944 B CN105672944 B CN 105672944B CN 201610036826 A CN201610036826 A CN 201610036826A CN 105672944 B CN105672944 B CN 105672944B
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- China
- Prior art keywords
- sliding sleeve
- opening device
- sleeve opening
- jam
- elastic card
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- 239000012530 fluid Substances 0.000 claims abstract description 28
- 210000000078 claw Anatomy 0.000 claims description 53
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000008602 contraction Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012360 testing method Methods 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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention proposes a kind of sliding sleeve opening device, comprising: jam part, including linkage section, jam section and first fluid channel；Locking part is provided on the inner wall in the first fluid channel；Ball seat, the leading end being oppositely arranged including the connection end being connected with the linkage section and the connection end and the second fluid channel being formed between the connection end and leading end；Part is salvaged, is connected with the ball seat；Wherein, the ball seat setting in the jam part and is salvaged between part.Sliding sleeve opening device according to the present invention comprising the ball seat for salvaging part is provided with, so that entire sliding sleeve opening device has the function of to salvage.In this way, the sliding sleeve opening device string for being connected into an entirety disposably can be salvaged pit shaft using fishing tool, salvage efficiency is improved.
Description
Technical field
The present invention relates to oil gas field stimulation technology fields, more particularly to a kind of sliding sleeve opening device.
Background technique
As the exploitation of oil-gas reservoir is promoted to hypotonic compact reservoir, matched conventional tool technology no longer meets need
It wants.Sliding sleeve is that one of oil jacket annulus, the key tool for realizing separate stratum fracfturing are linked up in fracturing process.In the complete well gas testing of oil/gas well
Oil jacket annulus is connected to by Cheng Zhong by the opening action of sliding sleeve, to realize circulation, for operations such as liquid, sand fracturings.Single layer construction
Operation only needs a sliding sleeve, but multilayer section construction then needs to concatenate multiple sliding sleeves on one-trip string, when construction under
Supreme opening level-one, one layer of pressure break.With going deep into for tight gas reservoir exploration and development, horizontal well horizontal segment is increasingly longer, adds sand pressure
Split that segments is more and more, ten grades, 20 grades even tens of grades of sliding sleeve technology brought into schedule.
Traditional sliding sleeve is corresponded using ball as the mechanism that builds the pressure, ball and ball seat, and bulb diameter is greater than latus rectum in seat of receiving.When
When using multistage sliding sleeve operation, different balls and seat of receiving increase step by step according to centainly differential.It is successively put into from small to large when construction
Ball just opens corresponding sliding sleeve.In order to overcome deficiency existing for traditional sliding sleeve technology, occur some theoretically may be used both at home and abroad successively
To realize the novel sliding sleeve technology of more series, such as compound sliding sleeve is designed, and be furnished with dedicated opening tool, passes through opening
Automatic unique cooperation of tool and sliding sleeve and realize and open compound sliding sleeve.
However, the tool of opening can only coverlet at present after using opening the compound sliding sleeve of tool open and completing pressing crack construction
A seriatim to salvage pit shaft, working efficiency is low.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art open tool can only individually be beaten one by one
Pull pit shaft, ineffective deficiency out.
In view of the above-mentioned problems, the invention proposes a kind of sliding sleeve opening devices, comprising: jam part, including linkage section, jam
Section and first fluid channel；Locking part is provided on the inner wall in the first fluid channel；Ball seat, including with the linkage section
The leading end and be formed in the connection end and guidance that the connection end and the connection end being connected are oppositely arranged
Second fluid channel between end；Part is salvaged, is connected with the ball seat；Wherein, the ball seat is arranged in the jam part
Between salvaging part.
Sliding sleeve opening device according to the present invention comprising the ball seat for salvaging part is provided with, so that entire sliding sleeve is opened
Opening device has the function of to salvage.When transferring at least two sliding sleeve opening devices in pit shaft, two adjacent sliding sleeve opening devices
Between can be by salvaging part and locking part locking to be connected in series with each other into an entirety, thus all sliding sleeve opening devices
An entirety can be connected into.In this way, will can disposably be connected into the sliding sleeve opening device an of entirety using fishing tool
String salvages pit shaft, improves salvage efficiency.
In one embodiment, the jam part further includes that the first fluid channel is arranged in be located at the linkage section
Stopper section on inner wall, the stopper section form cage with a part for connecting end, are provided with ball sealer in the cage.In advance
First ball sealer is encapsulated in cage, does not need subsequent pitching, reduces construction procedure.
In one embodiment, the jam section includes that at least two axis for surrounding the jam part are circumferentially uniformly distributed
The first elastic card claw and the hook part that is arranged on the outer peripheral surface of first elastic card claw.First elastic card claw being capable of diameter
To deformation, facilitate sliding sleeve opening device tripping in pit shaft.After tripping in place, the first elastic card claw automatically resets, so that hook part
It is matched with sliding sleeve.
In one embodiment, chamfering knot is provided between the end face and outer peripheral surface of the free end of first elastic card claw
Structure.The inclined-plane of chamfering structure has guiding function, is conducive to match with the leading end of adjacent sliding sleeve opening device.
In one embodiment, the locking part includes that the first fluid channel is arranged in be located at the linkage section
Interior ratchet ring on inner wall, the interior ratchet ring form cage with a part for connecting end, are provided with sealing in the cage
Ball.Interior ratchet ring is used for and adjacent salvaging part phase locking.Ball sealer is encapsulated in cage in advance, does not need subsequent pitching,
Save construction procedure.
In one embodiment, be provided with mounting portion on the inner wall in the second fluid channel, the salvaging part include with
The base cylinder and the salvaging portion being connected with the base cylinder that the mounting portion is connected.Salvaging portion and locking part are mutually locked cooperation
Adjacent sliding sleeve opening device to be connected in series.
In one embodiment, the salvaging portion includes axially extending second out from the base cylinder along the base cylinder
Elastic card claw and be arranged in second elastic card claw free end outer peripheral surface on outer ratchet.Outer ratchet and interior ratchet-shaped
It is engaged at ratchet, stable connection is reliable.
In one embodiment, the institute that setting at least two is arranged along the circumferential uniform intervals of the base cylinder on the base cylinder
State the second elastic card claw.Second elastic card claw has radial deformation capabilities, opens dress so as to conveniently protrude into adjacent sliding sleeve
In setting, so that outer ratchet and interior ratchet ring locking.
In one embodiment, the second fluid channel includes the taper hole section that the leading end is arranged in, described
The big opening end of taper hole section is towards external environment.Taper hole section has guiding function.
In one embodiment, be provided on the connection end ring-shaped rubber part and with the ring-shaped rubber part against
Pressure ring.Ring-shaped rubber part and pressure ring form boosting structure, and ring-shaped rubber part can fill the connection end of sliding sleeve opening device
Outer peripheral surface and sliding sleeve inner wall between gap be conducive to external pump pressure push and slide to reduce inflow-rate of water turbine of the fluid at this
Opening device is covered to move axially along pit shaft.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is the schematic cross-sectional view of the sliding sleeve opening device of the embodiment of the present invention.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows the sectional structure of the sliding sleeve opening device 10 of the embodiment of the present invention.
The sliding sleeve opening device 10 of the embodiment of the present invention, including the jam part 11 and card for being connect with sliding sleeve phase jam
The ball seat 12 that pendant 11 is connected and the salvaging part 13 being connected with ball seat 12.
When needing to carry out sliding sleeve 10 salvage of opening device, external fishing tool is transferred in pit shaft, outside is beaten
Fishing combined tool is connected with first sliding sleeve opening device 10 first.Then, continue to transfer external fishing tool, external fishing tool
First sliding sleeve opening device 10 will be pushed mobile to deep wellbore.Until first sliding sleeve opening device 10 salvaging part 13 with
Second sliding sleeve opening device 10 is connected, and so on, until penultimate sliding sleeve opening device 10 salvaging part 13 with
The last one sliding sleeve opening device 10 is connected, at this point, all sliding sleeve opening devices 10 in pit shaft are sequentially connected in series to form one
It is whole, stop transferring external fishing tool.External fishing tool is above reversely mentioned, external fishing tool can carry the sliding sleeve of bunchiness
Opening device 10 above mentions and all sliding sleeve opening devices 10 is finally proposed pit shaft.In this way, can once be beaten using fishing tool
Multiple sliding sleeve opening devices 10 are fished out, to improve salvage efficiency.
Jam part 11 include linkage section 111, the jam section 112 that is connected with linkage section 111 and run through linkage section 111 and
The first fluid channel of jam section 112.First fluid channel, which is located on the inner wall of linkage section 111, is provided with locking part.Jam section
112 include from the end face of linkage section 111 along interconnecting piece it is axially extending go out the first elastic card claw 112a and setting the
Hook part on the outer peripheral surface of one elastic card claw 112a.
In the present embodiment, jam section 112 includes at least two axis circumferentially equally distributed first for surrounding linkage section 111
Elastic card claw 112a.Preferably, jam section 112 includes four the first elastic card claw 112a.Hook part includes at least two protrusions
112b.When being provided with multiple protrusion 112b on the outer peripheral surface of the first elastic card claw 112a, multiple protrusion 112b are along the first elasticity
The extending direction interval of claw 112a is arranged.The groove matched with protrusion 112b is provided on the inner wall of sliding sleeve.Positioned at two
Two protrusion 112b at end are provided with the guide surface towards the first top elastic card claw 112a and bottom, are arranged on sliding sleeve
Groove also has the inclined-plane matched with guide surface.Raised 112b that guide surface is arranged can be smoothly entered to be arranged on sliding sleeve
Groove is deviate from from the groove being arranged on sliding sleeve.
When transferring sliding sleeve opening device 10 into pit shaft, radial masterpiece that the first elastic card claw 112a is applied by the borehole wall
With and radial contraction occurs, guarantee sliding sleeve opening device 10 can smoothly transfer.When sliding sleeve opening device 10 be delegated to and its
When the target sliding sleeve position to match, the radial force acted on the first elastic card claw 112a disappears, the first elastic card claw 112a
Can expand and be returned to original state, so the raised 112b on the first elastic card claw 112a can jam to sliding sleeve groove
On, sliding sleeve opening device 10, which is in have, at this time opens sliding sleeve state.When needing to salvage sliding sleeve opening device 10, to the first bullet
Property claw 112a apply radial forces so that radial contraction deformation occurs for the first elastic card claw 112a, and then is thereon arranged
Raised 112b is separated with the groove of sliding sleeve and is eventually disengaged from the jam state with sliding sleeve, and sliding sleeve opening device 10 is in and is beaten at this time
Fishing state.
In the present embodiment, ball seat 12 includes the connection end 121 being threadedly coupled with the linkage section 111 of jam part 11 and connects
Connect the leading end 122 and the second being formed between connection end 121 and leading end 122 that end 121 is oppositely arranged
Body channel.Second fluid channel include towards jam part 11 receiving hole section 123, the taper hole section of leading end 122 is set
124 and connection accommodate hole section 123 and taper hole section 124 middle hole section 125.The diameter for accommodating hole section 123 is greater than interstitial hole
The diameter of section 125.The step surface accommodated between hole section 123 and middle hole section 125 forms the continuing surface for accepting ball sealer 14.
In one embodiment, after sliding sleeve opening device 10 transfers to predetermined position, then it is close from pit shaft opening investment
Blocking 14, ball sealer 14, which is eventually fallen in, to be accommodated in hole section 123 and matches with continuing surface to form sealing surface at this, packing the
One fluid channel and second fluid channel.Then, external pump pressure pushes sliding sleeve opening device 10 mobile, and then sliding sleeve opening device
10 drive sliding sleeves are mobile to open work to complete sliding sleeve.
In another embodiment, the cage for accommodating ball sealer 14 is set in sliding sleeve opening device 10.In this way, ball sealer 14
It transfers in pit shaft, is not necessarily to from pit shaft opening pitching together with sliding sleeve opening device 10.Cage specific structure can be,
One fluid channel, which is located on the inner wall of linkage section 111, is arranged interior ratchet ring 113.Interior ratchet ring 113 is locking part.Ball seat 12 with
After jam part 11 completes connection, interior ratchet ring 113 part corresponding with connection end 121 and receiving hole section 123 forms cage.
Ball sealer 14 is arranged in cage.Ball sealer 14 will receive the limitation of interior ratchet ring 113 when moveing freely in cage, thus not
It can deviate from from cage, reduce construction procedure, it is easy for construction.Cage specific structure is also possible that be located in first fluid channel
The stopper section 114 of annular and protrusion is set on the inner wall of linkage section 111.Stopper section 114 relative to interior ratchet ring 113 closer to
The end of linkage section 111.After ball seat 12 and jam part 11 complete connection, stopper section 114 with connect end 121 and receiving hole section
123 corresponding parts form cage.Ball sealer 14 is arranged in cage.Ball sealer 14 will receive when moveing freely in cage
The limitation of stopper section 114, to will not deviate from from cage and internally will not cause impact injury by ratchet ring 113.When sliding sleeve is opened
After the decentralization to predetermined position of opening device 10, so that it may directly external pump pressure work is carried out to sliding sleeve opening device 10, when shortening construction
Between.After the pump pressure of outside, ball sealer 14 is pressed on continuing surface to form sealing surface, and then is completed sliding sleeve and opened work.
It is provided with chamfering structure 115 between the end face and outer peripheral surface of the free end of first elastic card claw 112a, thus first
The inclined-plane towards external environment is formed on the free end of elastic card claw 112a, which has guidance mating reaction.When upper one
Grade sliding sleeve opening device 10 is pushed when carrying out salvage, be arranged in leading end 122 taper hole section 124 be used for it is next
The free end of first elastic card claw 112a of grade sliding sleeve opening device 10 matches.
After the inclined-plane of the free end of the first elastic card claw 112a is in contact with the hole wall of taper hole section 124, two sliding sleeves
When opening device 10 continues to move towards, the inclined-plane of the free end of the first elastic card claw 112a can be along the hole of taper hole section 124
Wall Relative sliding, and then leading end 122 can apply radial forces to the first elastic card claw 112a so that the first elasticity
Radial contraction occurs for claw 112a.During the first elastic card claw 112a is gradually inserted taper hole section 124, the first elasticity
The raised 112b of claw 112a is also gradually exited from the groove of sliding sleeve.Finally, under the action of leading end 122, sliding sleeve is opened
Opening device 10 and sliding sleeve are detached from jam state and enter salvaged state.
When next stage sliding sleeve opening device 10 the first elastic card claw 112a upper level sliding sleeve opening device 10
Under the action of leading end 122 and after sliding sleeve is detached from, the taper hole section 124 of the first elastic card claw 112a in leading end 122
Insertion reaches maximum, so that the leading end 122 of the sliding sleeve opening device 10 of upper level can pass through the first elastic card
The sliding sleeve opening device 10 that pawl 112a pushes next stage is mobile to the sliding sleeve opening device 10 of next stage again.
The osculum end of taper hole section 124 is connected with middle hole section 125, and big opening end direction is external.In one embodiment,
The diameter of the big opening end of taper hole section 124 is less than leading end 122 diameters, so that leading end 122 has end face.The end
Face is arc-shaped, i.e., is respectively arranged between the end face and outer peripheral surface of leading end 122 and between the hole wall of taper hole section 124
Rounded structure.
Mounting portion is provided on the inner wall of the middle hole section 125 in second fluid channel.Salvaging part 13 includes and mounting portion phase
The base cylinder 131 of connection.In the present embodiment, mounting portion is screw thread.Base cylinder 131 is threadedly coupled with ball seat 12.Base cylinder 131 includes and
The centre bore that two fluid channels are connected.Salvaging part 13 further includes the salvaging portion 132 being connected with base cylinder 131.The cunning of upper level
The salvaging portion 132 of set opening device 10 is used to salvage the sliding sleeve opening device 10 of next stage.
In the present embodiment, salvaging portion 132 includes axially extending second out from the end face of base cylinder 131 along base cylinder 131
Elastic card claw 132a and be arranged in the second elastic card claw 132a free end outer peripheral surface on outer ratchet 132b.Base cylinder 131
On be provided at least two along base cylinder 131 circumferential uniform intervals be arranged the second elastic cards for having elastomeric radial ability
Pawl 132a.In this way, radial contraction deformation can occur when being acted on by radial force for the second elastic card claw 132a.Preferably, base
Four the second elastic card claw 132a are set on cylinder 131.When carrying out bunchiness salvage, the sliding sleeve opening device 10 of upper level
Second elastic card claw 132a can extend into the first fluid channel of the jam part 11 of the sliding sleeve opening device 10 of next stage.The
It is inserted into interior ratchet ring 113 after the deformation of two elastic card claw 132a radial contractions, when the outer ratchet of the second elastic card claw 132a
After 132b and interior ratchet ring 113 align, the second elastic card claw 132a radial dilatation homing, and then outer ratchet 132b and interior spine
The occlusion of 113 locking of gear ring, at this point, the sliding sleeve opening device 10 of the sliding sleeve opening device 10 of upper level and next stage complete connection and
It is co-located on salvaged state.
As shown in Figure 1, connection end 121 on be provided with ring-shaped rubber part 98 and with ring-shaped rubber part 98 against pressure ring
99.It connects and is provided with step on the end of end 121.Ring-shaped rubber part 98 is set on connection end 121.Then, by pressure ring
99 are set on connection end 121 and are resisted against on ring-shaped rubber part 98.The connection of end 121 and jam part 11 will finally be connected
Section 111 is threadedly coupled, and the end face of linkage section 111 squeezes pressure ring 99 and ring-shaped rubber with the step surface connecting on end 121 jointly
Part 98 is with fixed pressure ring 99 and ring-shaped rubber part 98.Connection can be arranged multiple ring-shaped rubber parts 98 on end 121, and two adjacent
Ring-shaped rubber part 98 between be arranged a pressure ring 99.Ring-shaped rubber part 98 and pressure ring 99 form boosting structure.Ring-shaped rubber part
98 can fill the gap between the outer peripheral surface and sliding sleeve inner wall of the connection end 121 of sliding sleeve opening device 10, to reduce stream
Inflow-rate of water turbine of the body at this is conducive to external pump pressure push sliding sleeve opening device 10 and moves axially along pit shaft.
The sliding sleeve opening device 10 of the embodiment of the present invention use and to salvage process specific as follows:
Opening sliding sleeve process is first to be pushed to sliding sleeve opening device 10 in pit shaft by pushing tool, the first elasticity
Claw 112a radial contraction deforms, and the raised 112b on the first elastic card claw 112a is in contact with the borehole wall.Pushing tool is by sliding sleeve
Opening device 10 is pushed at target sliding sleeve.After the raised 112b of first elastic card claw 112a and the groove on sliding sleeve align, the
One elastic card claw 112a replys original state, and then in protrusion 112b jam to groove.Sliding sleeve opening device 10 is without ball sealer
When 14, pitching work need to be carried out, then carry out external pump pressure.When sliding sleeve opening device 10 carries ball sealer 14, directly carry out external
Pump pressure.After the pump pressure of outside, ball sealer 14 and continuing surface seal pack fluid channel, so that pressure all acts on sliding sleeve and opens dress
It sets on 10.Sliding sleeve opening device 10 is moved along pit shaft under pressure, and then drives sliding sleeve synchronizing moving, to complete sliding sleeve
Open work.When there is multistage sliding sleeve in pit shaft, step -by -step switch sliding sleeve opening device 10 is only needed, opens sliding sleeves at different levels step by step.
After completing sliding sleeve opening work and subsequent construction, fishing tool is transferred into pit shaft.When there is multistage cunning in pit shaft
When covering opening device 10, the sliding sleeve opening device 10 that fishing tool will be close to the top level-one of pit shaft well head first removes sliding sleeve
And cooperate with the interior ratchet locking of the sliding sleeve opening device 10 of the top level-one.Continue to transfer fishing tool, fishing tool will push away
The sliding sleeve opening device 10 of dynamic the top level-one is mobile to the sliding sleeve opening device 10 of next stage.
The leading end 122 of the sliding sleeve opening device 10 of the top level-one is by the first of the sliding sleeve opening device 10 of next stage
Elastic card claw 112a removes sliding sleeve so that the sliding sleeve opening device 10 and sliding sleeve of the second level are detached from jam state, the top level-one
Sliding sleeve opening device 10 the second elastic card claw 132a outer ratchet 132b and next stage sliding sleeve opening device 10 interior spine
The occlusion of 113 phase locking of gear ring.The common sliding sleeve unlatching for pushing next stage of sliding sleeve opening device 10 of fishing tool, the top level-one
Device 10 is mobile to the sliding sleeve opening device 10 of next stage again.In this way, the sliding sleeve opening device 10 of fishing tool, the top level-one
And the series connection of sliding sleeve opening device 10 of bottom level-one forms an entirety and enters salvaged state.Stop decentralization and salvages work
Tool, fishing tool connect to form an entirety with all grades of 10 locking of sliding sleeve opening device.Fishing tool is above reversely mentioned, is salvaged
Tool will carry all grades of 10 synchronizing moving of sliding sleeve opening device.Finally, fishing tool and all grades of sliding sleeve open dress
It sets 10 and is suggested pit shaft together, complete salvage.
The sliding sleeve opening device 10 of the embodiment of the present invention can open matched sliding sleeve step by step, allow to
The sliding sleeve of wellbore arrangement multistage number extends the depth of placement of tubing string in the earth formation.In addition, on sliding sleeve opening device 10 in advance
Part 13 is salvaged in setting, so as to use fishing tool after completing to open sliding sleeve work and subsequent construction work
It realizes that disposable bunchiness is salvaged, improves salvage efficiency.
In addition, can transfer in the wellbore multiple embodiment of the present invention with salvage part sliding sleeve opening device 10 after
One is transferred again and does not have the sliding sleeve opening device for salvaging function, so that not having the sliding sleeve opening device of salvaging function can incite somebody to action
Multiple sliding sleeve opening devices 10 with the embodiment of the present invention for salvaging function are spaced apart.In this way, can be divided using fishing tool
All sliding sleeve opening devices 10 are proposed pit shaft by batch segmentation, rather than disposable bunchiness proposes all sliding sleeve opening devices 10
Pit shaft can control the number for once salvaging the sliding sleeve opening device 10 of well according to the actual situation.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (8)
1. a kind of sliding sleeve opening device, comprising:
Jam part, including linkage section, jam section and first fluid channel；The first fluid channel is located at the linkage section
Locking part is provided on inner wall；
Ball seat, including be connected with the linkage section connection end, with the connection leading end that is oppositely arranged of end with
And it is formed in the second fluid channel between the connection end and leading end；
Part is salvaged, is connected with the ball seat；
Wherein, the ball seat setting in the jam part and is salvaged between part,
The jam part further includes the stopper section that the first fluid channel is arranged in and is located on the inner wall of the linkage section, described
Stopper section forms cage with a part for connecting end, is provided with ball sealer in the cage,
The locking part is configured to interior ratchet ring, and the stopper section relative to the interior ratchet ring closer to the linkage section
End.
2. sliding sleeve opening device according to claim 1, which is characterized in that the jam section includes at least two around institute
It states circumferentially equally distributed first elastic card claw of axis of jam part and is arranged on the outer peripheral surface of first elastic card claw
Hook part.
3. sliding sleeve opening device according to claim 2, which is characterized in that the end of the free end of first elastic card claw
Chamfering structure is provided between face and outer peripheral surface.
4. sliding sleeve opening device according to claim 1, which is characterized in that be arranged on the inner wall in the second fluid channel
There are mounting portion, the salvaging portion for salvaging part and including the base cylinder being connected with the mounting portion and being connected with the base cylinder.
5. sliding sleeve opening device according to claim 4, which is characterized in that the salvaging portion includes from edge on the base cylinder
The outer peripheral surface of axially extending the second elastic card claw and the free end that second elastic card claw is set out of the base cylinder
On outer ratchet.
6. sliding sleeve opening device according to claim 5, which is characterized in that at least two are arranged on the base cylinder along described
Second elastic card claw of the circumferential uniform intervals setting of base cylinder.
7. sliding sleeve opening device according to claim 1, which is characterized in that the second fluid channel includes being arranged in institute
State the taper hole section of leading end, the big opening end of the taper hole section is towards external environment.
8. sliding sleeve opening device according to claim 1, which is characterized in that be provided with ring-shaped rubber on the connection end
Part and with the ring-shaped rubber part against pressure ring.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036826.2A CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
| US16/071,154 US11248444B2 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| CA3010235A CA3010235A1 (en) | 2016-01-20 | 2017-01-13 | Sliding sleeve opening tool |
| MX2018008632A MX2018008632A (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve. |
| RU2018128405A RU2733580C2 (en) | 2016-01-20 | 2017-01-13 | Sliding coupling opening tool |
| BR112018014649-8A BR112018014649B1 (en) | 2016-01-20 | 2017-01-13 | SLIDING SLEEVE OPENING TOOL |
| AU2017209218A AU2017209218B2 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| PCT/CN2017/071164 WO2017124977A1 (en) | 2016-01-20 | 2017-01-13 | Tool for opening sliding sleeve |
| ZA2018/05529A ZA201805529B (en) | 2016-01-20 | 2018-08-17 | Tool for opening sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036826.2A CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672944A CN105672944A (en) | 2016-06-15 |
| CN105672944B true CN105672944B (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036826.2A Active CN105672944B (en) | 2016-01-20 | 2016-01-20 | A kind of sliding sleeve opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672944B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124977A1 (en) * | 2016-01-20 | 2017-07-27 | 中国石油化工股份有限公司 | Tool for opening sliding sleeve |
| CN112302615A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Underground water drainage and gas production device and tubular column |
| CN112302630A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Pressure measuring device, pipe string and fishing device |
| CN112302554B (en) * | 2019-07-29 | 2023-06-20 | 中国石油化工股份有限公司 | Underground clamping device and tubular column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202125287U (en) * | 2011-06-22 | 2012-01-25 | 中国石油化工股份有限公司 | Anchor fluke type sliding sleeve opening tool |
| CN103452542A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Switchable fracturing sliding sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102839944B (en) * | 2011-06-22 | 2015-04-01 | 中国石油化工股份有限公司 | Sliding sleeve type fracturing module, device including the module and method of using the device |
| CN202832376U (en) * | 2012-08-07 | 2013-03-27 | 新疆华油油气工程有限公司 | Full-bore closable stratified sliding sleeve |
| CN102979494B (en) * | 2012-12-28 | 2015-10-28 | 中国石油集团渤海钻探工程有限公司 | Pitching open-type many bunches of sliding sleeves |
| CN103321608A (en) * | 2013-07-09 | 2013-09-25 | 中国石油集团渤海钻探工程有限公司 | Rotation-free pawl-type sliding sleeve with ball seat capable of being taken out |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202125287U (en) * | 2011-06-22 | 2012-01-25 | 中国石油化工股份有限公司 | Anchor fluke type sliding sleeve opening tool |
| CN103452542A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Switchable fracturing sliding sleeve |
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| CN105672944A (en) | 2016-06-15 |
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