CN208950532U - Repeatable switch on/off electric sliding sleeve for mine gas injection pipeline - Google Patents
Repeatable switch on/off electric sliding sleeve for mine gas injection pipeline Download PDFInfo
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- CN208950532U CN208950532U CN201821132214.4U CN201821132214U CN208950532U CN 208950532 U CN208950532 U CN 208950532U CN 201821132214 U CN201821132214 U CN 201821132214U CN 208950532 U CN208950532 U CN 208950532U
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- aperture
- rotation set
- sliding sleeve
- outer tube
- tube body
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Abstract
The utility model provides a kind of repeatable switch on/off electric sliding sleeve for mine gas injection pipeline, comprising: outer tube body, outer tube body have the first aperture；Rotation set, rotation set is pivotably arranged in outer tube body and can block the first aperture, rotation set has the second aperture, when rotation set rotation, first aperture and the second aperture can dock so as to be connected to inside rotation set with outer tube body outside, rotation set has the connection structure cooperated with measurement and adjustment instrument close to one end of the well head of mine, drives rotation set rotation by measurement and adjustment instrument.The utility model solves the problems, such as that the reliability of reacting cycle sliding sleeve in the prior art is low.
Description
Technical field
The utility model relates to oil filed pipeline technical field, in particular to it is a kind of for mine gas injection pipeline can
The electronic sliding sleeve of repeat switch.
Background technique
Injection well (such as water injection well or gas injection well) or extraction well (such as natural gas extraction well) are for protection sleeve pipe, usually
More than casing protective packer plus reacting cycle valve pocket opens reacting cycle sliding sleeve when intermittently stopping the supple of gas or steam, so that casing and oil jacket connect
It is logical, by casing into, oil pipe goes out mode to protect liquid (corrosion inhibiter) to be recycled in casing, play the role of protection sleeve pipe, annular space guarantor
Shield liquid after circulation terminates, then by reacting cycle sliding sleeve is closed.
There are mainly two types of conventional reacting cycle sliding sleeves: one is pressure to control open-type reacting cycle sliding sleeve, and another kind is steel
Silk control switch formula reacting cycle sliding sleeve.
Pressure control open-type reacting cycle sliding sleeve is that greater than tubing pressure, (sliding sleeve external pressure is greater than interior by casing pressure
Portion's pressure) internal sliding sleeve compression ejection uplink is pushed, bypass is opened, oil pipe connection is realized, when casing pressure is (outside sliding sleeve
Pressure) release after, internal sliding sleeve downlink under the action of the spring closes circulation canal, completes the addition of recycling-guard liquid.But pressure is opened
Opening formula reacting cycle sliding sleeve, there are drawbacks, and when spring design opening force is smaller, appearance set is pressed through due to packer leakage etc.
Gao Shi causes sliding sleeve to open by mistake and opens.When contained spring design cracking pressure is excessive, well head is caused to open casing pressure excessive or even super
Crossing christmas tree can bear pressure.
Steel wire control switch formula reacting cycle sliding sleeve is ground using carding engine decentralization switching tools, switching tools and reacting cycle
The inner sliding sleeve of sliding sleeve cooperates, and using the quickly inner sliding sleeve mode of impact impact downwards, makes inner sliding sleeve downlink, makes inside and outside reacting cycle sliding sleeve
It is connected to (oil pipe is connected to casing).Close inner sliding sleeve when, ground carding engine connection switch tool, down toward reacting cycle sliding sleeve hereinafter,
Then it above mentions, switching tools and inner sliding sleeve cooperate, and the inner sliding sleeve uplink under steel wire pulling force effect closes circulation slide sleeve to close oil
Set.Since steel wire endurance is limited, causes inner sliding sleeve to exist and do not open, close not first-class drawback.
Utility model content
The main purpose of the utility model is to provide a kind of repeatable switch on/off electric sliding sleeve for mine gas injection pipeline,
Reliability to solve the problems, such as reacting cycle sliding sleeve in the prior art is low.
To achieve the goals above, one aspect according to the present utility model provides a kind of for mine gas injection pipeline
Repeatable switch on/off electric sliding sleeve, comprising: outer tube body, outer tube body have the first aperture；Rotation set, rotation set are pivotably arranged to outer tube body
Interior and can block the first aperture, rotation set has the second aperture, and when rotation set rotation, the first aperture and the second aperture can be docked
So as to be connected to inside rotation set with outer tube body outside, rotation set has the connection knot cooperated with measurement and adjustment instrument close to one end of the well head of mine
Structure drives rotation set rotation by measurement and adjustment instrument.
Further, rotation set has block section and linkage section, and block section has the second aperture, and linkage section has connection knot
Structure, and the diameter of block section is greater than the diameter of linkage section.
Further, connection structure is clamping groove, clamping groove be it is multiple, each clamping groove is provided at circumferentially spaced along rotation set.
Further, clamping groove is connected to the end of the close well head of rotation set.
Further, the first aperture is multiple, and each first aperture is provided at circumferentially spaced along outer tube body；And/or second aperture
To be multiple, each second aperture is provided at circumferentially spaced along rotation set.
Further, switch on/off electric sliding sleeve is repeated further include: at least part of the first connector, the first connector is set in
It is abutted in outer tube body and with rotation set；Second connector, at least part of the second connector are set in outer tube body and separate with rotation set
One end of first connector abuts.
Further, repeating switch on/off electric sliding sleeve further includes sealing element, and sealing element is arranged in the first connector and/or second
Between connector and outer tube body.
By setting rotation set rotation set is rotated relative to outer tube body using the technical solution of the utility model, when
When needing the inside and outside connection by outer tube body, it is only necessary to after the cooperation of the connection structure of measurement and adjustment instrument and rotation set, be adjusted by surveying
Instrument control rotation set rotation, so that connection can be realized in the first opening and the second opening docking, it is not necessary to so that rotation set is transported up and down
It is dynamic, so as to avoid using steel wire or spring to be opened and closed it is unstable caused by repeatable switch on/off electric sliding sleeve is unreliable asks
Topic guarantees that repeatable switch on/off electric sliding sleeve can be effectively opened and closed.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the repeatable switch on/off electric sliding sleeve of the utility model；
Fig. 2 shows the structural schematic diagrams of the rotation set of the repeatable switch on/off electric sliding sleeve in Fig. 1；And
Fig. 3 shows the front sectional view of the rotation set in Fig. 2.
Wherein, the above drawings include the following reference numerals:
10, outer tube body；11, the first aperture；20, rotation set；21, the second aperture；22, connection structure；23, block section；24, even
Connect section；30, the first connector；40, the second connector；50, sealing element.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
It is for direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Together
Sample, it for ease of understanding and describes, " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is simultaneously
It is not used in limitation the utility model.
Reliability in order to solve the problems, such as reacting cycle sliding sleeve in the prior art is low, and the utility model provides a kind of use
In the repeatable switch on/off electric sliding sleeve of mine gas injection pipeline.
A kind of repeatable switch on/off electric sliding sleeve for mine gas injection pipeline as shown in Figure 1, including outer tube body 10 and rotation
Set 20, outer tube body 10 have the first aperture 11；Rotation set 20 is pivotably arranged in outer tube body 10 and can block the first aperture 11, revolves
Set 20 has the second aperture 21, and when rotation set 20 rotates, the first aperture 11 and the second aperture 21 can be docked so that in rotation set 20
It being connected to outside portion and outer tube body 10, rotation set 20 has the connection structure 22 cooperated with measurement and adjustment instrument close to one end of the well head of mine,
Rotation set 20 is driven to rotate by measurement and adjustment instrument.
The present embodiment enables rotation set 20 to rotate relative to outer tube body 10, when needing outer tube by setting rotation set 20
When the inside and outside connection of body 10, it is only necessary to after cooperating the connection structure 22 of measurement and adjustment instrument and rotation set 20, pass through measurement and adjustment instrument control
Rotation set 20 processed rotates, so that connection can be realized in the first opening and the second opening docking, it is not necessary to so that about 20 rotation set is transported
It is dynamic, so as to avoid using steel wire or spring to be opened and closed it is unstable caused by repeatable switch on/off electric sliding sleeve is unreliable asks
Topic guarantees that repeatable switch on/off electric sliding sleeve can be effectively opened and closed.
It should be noted that so-called repeatable switch on/off electric sliding sleeve is sliding sleeve valve, repeatable switch therein is
Referring to can be repeatedly opened or close between outer tube body 10 and rotation set 20, so that the first aperture 11 and the second aperture 21 can be anti-
Switch between connection and closing again.
As shown in Figures 2 and 3, rotation set 20 has block section 23 and linkage section 24, and block section 23 has the second aperture 21, even
Section 24 is connect with connection structure 22, and the diameter of block section 23 is greater than the diameter of linkage section 24.
Specifically, block section 23 is as the inside and outside control section being connected to of outer tube body 10, when the second aperture 21 of block section 23
When docking with the first aperture 11, outer tube body 10 and rotation set 20 are in the open state, when block section 23 except the second aperture 21 its
When he partially docks with the first aperture 11, outer tube body 10 is in close state with rotation set 20, usually by the outer ring of block section 23
Diameter be arranged to it is roughly the same with the diameter of the inner ring of outer tube body 10 so that block section 23 and 10 clearance fit of outer tube body, are making
Guarantee the surface surface accuracy with higher between block section 23 and outer tube body 10 when making, to guarantee plugging effect.Linkage section
24 relative to block section 23 closer to the well head of mine, such (FBG) demodulator only needs to transfer to the higher linkage section 24 in position i.e.
Can, while the diameter of linkage section 24 is small compared with block section 23, gap is formed between linkage section 24 and outer tube body 10, due to rotation set
20 wall thickness generally will not be very big, and the space that adjustable claw and the connection structure 22 of measurement and adjustment instrument cooperate is smaller, by by linkage section 24
Diameter reduce increase adjustable claw and connection structure 22 adapted space, guarantee connect reliability.
In the present embodiment, connection structure 22 be clamping groove, clamping groove be it is multiple, each clamping groove is between the circumferential direction of rotation set 20
Every setting.
Specifically, clamping groove is elongated and along the axially extending of rotation set 20, and one end of clamping groove is close with rotation set 20
The end of well head is connected to, and along the circumferential setting of rotation set 20 there are six clamping groove, energy when such adjustable claw is connected structure 22
It is enough just to be extend into clamping groove during moving closer to rotation set 20, clamping is realized, to reduce adjustable claw and clamping groove
The difficulty of docking simplifies operation, ensure that the reliability of docking.
In an embodiment (not shown), the first aperture 11 be it is multiple, each first aperture 11 is between 10 circumferential direction of outer tube body
Every setting, the second aperture 21 be it is multiple, each second aperture 21 is provided at circumferentially spaced along rotation set 20.
In the present embodiment, the first aperture 11 and the second aperture 21 only have one, and are equal-sized square hole,
Whether completely square hole is convenient calculates the first aperture 11 and the second aperture 21 docking when rotating rotation set 20, that is to say, that when
When determining that the first aperture 11 and the second aperture 21 start docking using measurement and adjustment instrument, according to turn of the size of square hole and rotation set 20
Speed, it will be able to calculate so that the rotation time that the first aperture 11 and the second aperture 21 are docked completely.For example, square hole is along rotation set
20 circumferential length is 40mm, and the revolving speed of rotation set 20 is 40mm/min, then since the first aperture 11 and the second aperture 21 pair
When connecing, it is rotated further by and the first aperture 11 and the second docking completely of aperture 21 can be realized within rotation set 20 about 1 minute.
As shown in Figure 1, repeatable switch on/off electric sliding sleeve further includes the first connector 30 and the second connector 40, the first connector 30
At least part is set in outer tube body 10 and abuts with rotation set 20；At least part of second connector 40 is set in outer tube body 10
It is interior and abutted with rotation set 20 far from one end of the first connector 30.That is, rotation set 20 is arranged in the first connector 30 and second
Between connector 40 and the first connector 30 and the second connector 40 abut rotation set 20 and rotation set 20 can not be slided, and can only rotate, from
And avoiding rotation set 20 and leading to the problem of to slide axially leads to 21 axile displacement of the first aperture 11 and the second aperture.
Meanwhile repeatable switch on/off electric sliding sleeve further includes sealing element 50, in the first connector 30 and the second connector 40 and rotation set
Sealing element 50 is provided between 20 and outer tube body 10, to guarantee the first connector 30, the second connector 40 and rotation set 20 and outer tube body
Leakproofness between 10.Sealing element 50 can be the elastic rings such as rubber ring.
The present embodiment additionally provides a kind of method of mine gas injection pipeline replacement protection liquid, is provided in mine above-mentioned
Repeatable switch on/off electric sliding sleeve, method includes: step S1: by the tripping in mine of measurement and adjustment instrument, until short distance occurs in measurement and adjustment instrument
Magnetic orientation spike, measurement and adjustment instrument is located in the rotation set 20 of repeatable switch on/off electric sliding sleeve at this time；Step S2: the adjusting of measurement and adjustment instrument is opened
Pawl, adjustment measurement and adjustment instrument protrude into adjustable claw in the connection structure 22 of rotation set 20；Step S3: to repeatable switch on/off electric sliding sleeve
It is passed through protection liquid in gap or rotation set 20 between outer tube body 10 and mine inner wall, while controlling measurement and adjustment instrument rotation and driving rotation set 20
Rotation, until the second aperture 21 of rotation set 20 is aligned with the first aperture 11 of outer tube body 10, so that protection liquid is full of gap；Step
S4: after fluid exchange to be protected, control measurement and adjustment instrument rotation drives rotation set 20 to rotate, so that the second aperture 21 and the first aperture 11
Dislocation, so that rotation set 20 seals the first aperture 11.
Specifically, when the mine for being provided with above-mentioned repeatable switch on/off electric sliding sleeve needs replacing protection liquid, by ground
The bottom end connection measurement and adjustment instrument of cable car connecting cable, cable enters well (measurement and adjustment instrument carries magnetic orientation system), when measurement and adjustment instrument is through overwinding
When covering 20, it may appear that short distance magnetic orientation spike and two spikes distance be equal to rotation set 20 length, enter well data in conjunction with casing, really
The fixed short distance magnetic orientation spike occurred at this time indicates that measurement and adjustment instrument is located at the top of rotation set 20.
Behind the position for determining rotation set 20, measurement and adjustment instrument is above mentioned to the 20 top position 2m of rotation set with cable, ground control is beaten
The adjustable claw of measurement and adjustment instrument is opened, and slowly descends payout, when decentralization is contacted to the bottom of adjustable claw and clamping groove, the shape that is hampered occurs
State shows that measurement and adjustment instrument docks completion with clamping groove at this time.If not occurring the state that is hampered, measurement and adjustment instrument is above mentioned again to rotation set 20
At the position 2m of top, slowly lower payout is until occurring being hampered state.Above-mentioned position is also adjustable for 20 top of rotation set
1m to 3m at.
In the present embodiment, protection liquid is passed through into mine pipeline using reverse circulating mode, specifically, mine is interior
It is usually arranged with casing on wall, oil pipe is coaxially arranged in casing, repeatable switch on/off electric sliding sleeve is provided on oil pipe, thus will
Repeatable switch on/off electric cunning is set in casing, and the gap between outer tube body 10 and mine inner wall is outer tube body 10 and casing
Between gap, and because repeatable switch on/off electric sliding sleeve be connect with oil pipe, thus above-mentioned gap be also casing with it is oily
By the part of packer sealing in gap between gap between pipe, more specifically casing and oil pipe.To outer tube body 10
Gap between casing is passed through protection liquid, and when in the open state between rotation set 20 and outer tube body 10, protection liquid is by outer
It in tube body 10, is flowed out by the top exit of outer tube body 10, in this way, protection liquid is passed through between outer tube body 10 and casing by outer tube body
The endless form flowed out in 10 is reacting cycle.
After docking, ground controls measurement and adjustment instrument rotation, and measurement and adjustment instrument drives rotation set 20 to rotate along axle center, since ground can not
Judge between outer tube body 10 and rotation set 20 to be in the open state or closed state, thus must tie surface pump truck protected
Protect the replacement of liquid.The pump pressure of 2MPa is kept first between casing and outer tube body 10, ground controls measurement and adjustment instrument rotation, local face-pumping pressure
When moment reduces, it was demonstrated that measurement and adjustment instrument makes between outer tube body 10 and rotation set 20 in just open state, at this time the first aperture 11
It is connected to 21 part of the second aperture, is then continued to control measurement and adjustment instrument rotation according to time for precalculating, opened until first
Hole 11 and the second aperture 21 docking completely, in this way, protection liquid between outer tube body 10 and casing just from being passed through via rotation set 20 from outer
The top opening of tube body 10 flows out.
In the present embodiment, the displacement control of ground pump truck is in 15m3/ h, until the replacement for completing protection liquid.Simultaneously
The dosage of protection liquid is set as 1.5 times of the interstitial volume between casing and outer tube body 10.Certainly, above-mentioned parameter can be according to reality
Border situation is adjusted, and discharge capacity can be set in 13m3/ h to 17m3Between/h, protect the dosage of liquid can be at 1.3 times of gap
To between 1.8 times.
When ground pump truck has replaced all protection liquid, ground control measurement and adjustment instrument rotation, when ground pump truck pump pressure suppress it is supreme
When replacing the pressure 2MPa to 4MPa when protecting liquid, it was demonstrated that measurement and adjustment instrument makes between outer tube body 10 and rotation set 20 in closing shape
State continues to control measurement and adjustment instrument rotation at this time according to the time precalculated, until the first aperture 11 and the second aperture 21 are complete
Completely wrong position, rotation set 20 block the first aperture 11, guarantee that repeatable switch on/off electric sliding sleeve is closed.Then directly upper portable cable, cable
It drives measurement and adjustment instrument directly to disengage with clamping groove, continues above to mention measurement and adjustment instrument, until measurement and adjustment instrument proposes well, so far whole process terminates.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, solve the problems, such as that the reliability of reacting cycle sliding sleeve in the prior art is low；
2, overall structure is simple, can accurately guarantee the opening and closing of repeatable switch on/off electric sliding sleeve, highly reliable.
3, the setting of rotation set effectively prevents existing structure and needs to push and pull the opening and closing of sliding sleeve generation unstable asking
Topic guarantees that the practical open and-shut mode between outer tube body and rotation set is consistent with the open and-shut mode of anticipation.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The range of the utility model protection all should belong in the every other embodiment obtained.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of repeatable switch on/off electric sliding sleeve for mine gas injection pipeline characterized by comprising
Outer tube body (10), the outer tube body (10) have the first aperture (11)；
Rotation set (20), the rotation set (20) are pivotably arranged in the outer tube body (10) and can block first aperture
(11), the rotation set (20) has the second aperture (21), when the rotation set (20) rotation, first aperture (11) and described
Second aperture (21) can dock so as to be connected to outside the rotation set (20) inside and the outer tube body (10), the rotation set (20)
One end close to the well head of the mine has the connection structure (22) cooperated with measurement and adjustment instrument, by described in measurement and adjustment instrument drive
Rotation set (20) rotation.
2. repeatable switch on/off electric sliding sleeve according to claim 1, which is characterized in that the rotation set (20) has block section
(23) and linkage section (24), the block section (23) have second aperture (21), and the linkage section (24) has the company
Binding structure (22), and the diameter of the block section (23) is greater than the diameter of the linkage section (24).
3. repeatable switch on/off electric sliding sleeve according to claim 1, which is characterized in that the connection structure (22) is clamping
Slot, the clamping groove are multiple, each clamping groove being provided at circumferentially spaced along the rotation set (20).
4. repeatable switch on/off electric sliding sleeve according to claim 3, which is characterized in that the clamping groove and the rotation set
(20) the end close to the well head is connected to.
5. repeatable switch on/off electric sliding sleeve according to claim 1, which is characterized in that
First aperture (11) be it is multiple, each first aperture (11) is provided at circumferentially spaced along the outer tube body (10)；With/
Or
Second aperture (21) be it is multiple, each second aperture (21) is provided at circumferentially spaced along the rotation set (20).
6. repeatable switch on/off electric sliding sleeve according to claim 1, which is characterized in that the repeatable switch on/off electric sliding sleeve
Further include:
First connector (30), at least part of first connector (30) be set in the outer tube body (10) and with the rotation
(20) are covered to abut；
Second connector (40), at least part of second connector (40) be set in the outer tube body (10) and with the rotation
(20) are covered to abut far from one end of first connector (30).
7. repeatable switch on/off electric sliding sleeve according to claim 6, which is characterized in that the repeatable switch on/off electric sliding sleeve
Further include sealing element (50), the sealing element (50) setting first connector (30) and/or second connector (40) with
Between the outer tube body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132214.4U CN208950532U (en) | 2018-07-17 | 2018-07-17 | Repeatable switch on/off electric sliding sleeve for mine gas injection pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132214.4U CN208950532U (en) | 2018-07-17 | 2018-07-17 | Repeatable switch on/off electric sliding sleeve for mine gas injection pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950532U true CN208950532U (en) | 2019-06-07 |
Family
ID=66732005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821132214.4U Active CN208950532U (en) | 2018-07-17 | 2018-07-17 | Repeatable switch on/off electric sliding sleeve for mine gas injection pipeline |
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| CN (1) | CN208950532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725666A (en) * | 2018-07-17 | 2020-01-24 | 中国石油天然气股份有限公司 | Method for repeatedly opening and closing electric sliding sleeve and replacing protective liquid for mine gas injection pipeline |
-
2018
- 2018-07-17 CN CN201821132214.4U patent/CN208950532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725666A (en) * | 2018-07-17 | 2020-01-24 | 中国石油天然气股份有限公司 | Method for repeatedly opening and closing electric sliding sleeve and replacing protective liquid for mine gas injection pipeline |
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