CN207905771U - From grouting floating hoop - Google Patents
From grouting floating hoop Download PDFInfo
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- CN207905771U CN207905771U CN201820215264.2U CN201820215264U CN207905771U CN 207905771 U CN207905771 U CN 207905771U CN 201820215264 U CN201820215264 U CN 201820215264U CN 207905771 U CN207905771 U CN 207905771U
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- sleeve
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- annular groove
- sliding sleeve
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Abstract
The utility model is related to petroleum works equipment technical fields, it is a kind of from grouting floating hoop, including sleeve body, Guan Kongtao, the first shear pin, inner sliding sleeve, the second shear pin, box cupling set, fixed disk and spring, the upper inner of sleeve body is equipped with Guan Kongtao and the two is fixedly installed togather by the first shear pin, the upper inner of sleeve body is equipped with upper annular groove, the limited ring dais for being equipped with and being located in upper annular groove on the outside of the upper end of hole set is closed, and has the first spacing between the lower end of limited ring dais and the bottom end of upper annular groove.The utility model is reasonable for structure, ingenious in design, it can be made to establish the connection of pipe inner ring under small pressure environment by the setting of sleeve through hole, as the pressure increases, it can be achieved that pipe is inside and outside blocks, when pressure increases again can, the inside and outside connection of pipe can be established again, realize cycle, and the function of ball-and-seat can be realized by spring, it is easy to operate, it is easy to use, it can realize from cementing operations, save the activity duration, meet the job requirements such as well cementation, and with good stability.
Description
Technical field
It is a kind of from grouting floating hoop the utility model is related to petroleum works equipment technical field.
Background technology
In the cementing operation of deep-well, casing job needs to carry out cementing operations, this can extend the time of underground work,
To increase the risk of casing job.
Invention content
The utility model provides one kind from grouting floating hoop, overcomes the deficiency of the above-mentioned prior art, can effectively solve
It needs to carry out cementing operations existing for existing casing job, silo operating time can be extended, increase the risk of casing job
The problem of.
The technical solution of the utility model is realized by following measures：One kind is from grouting floating hoop, including sleeve sheet
Body, Guan Kongtao, the first shear pin, inner sliding sleeve, the second shear pin, box cupling set, fixed disk and spring, the upper inner of sleeve body are equipped with
It closes hole set and the two is fixedly installed togather by the first shear pin, the upper inner of sleeve body is equipped with upper annular groove, Guan Kongtao's
It is equipped with the limited ring dais being located in upper annular groove on the outside of upper end, and has between first between the lower end of limited ring dais and the bottom end of upper annular groove
Away from；The top of inner sliding sleeve is located at the lower inside of sleeve body and is equipped with the second shear pin between the two, corresponding to close hole set and interior cunning
The sleeve body of position is equipped with sleeve through hole between set, has the second spacing between the lower end and sleeve through hole bottom end of Guan Kongtao,
And first spacing be more than the second spacing, blind hole is equipped on the inside of the upper end of inner sliding sleeve, the inner sliding sleeve of corresponding blind hole position is equipped with position
Sliding sleeve through-hole above sleeve body bottom end；It is fixedly mounted on one on the inside of the lower end outside of sleeve body and the upper end of box cupling set
It rises, the outer land being set in box cupling set is equipped on the outside of the inner sliding sleeve of corresponding sleeve body lower position, outer land is equipped with upper
The intercommunicating pore of lower perforation, the lower end outside of inner sliding sleeve are set with the fixation disk for being fixedly mounted on box cupling set inside, fixed disk upper edge
Circle distribution has liquid-passing hole up and down, and the spring being set on the outside of inner sliding sleeve is equipped between outer land and fixed disk.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution：
The upper inner of the sleeve body of above-mentioned corresponding inner sliding sleeve top position can be equipped with the sliding being located at below upper annular groove
Annular groove has third spacing between the lower end of Guan Kongtao and the bottom end for sliding annular groove, and third spacing is more than the second spacing.
The top surface of above-mentioned outer land can be in up-narrow and down-wide frustum face, and outer land and box cupling set inner wall are in clearance fit.
The box cupling of the outer land position of above-mentioned correspondence, which covers inside, can be equipped with guiding annular groove, lower end and the guiding annular groove of outer land
There is the 4th spacing between bottom end.
The sealing ring that can be sealed with upper annular groove, the set of corresponding sliding sleeve through-hole lower position can be equipped on the outside of above-mentioned limited ring dais
Being equipped on the inside of cylinder ontology can be with the sealing ring of inner sliding sleeve outer side seal；In the case where Guan Kongtao comes downwards to extreme position state, corresponding set
Above and below cylinder through-hole sealing ring is equipped between the pass hole set and sleeve body of position.
Internal thread can be equipped on the inside of the upper end of above-mentioned sleeve body, the lower end outside of box cupling set is equipped with external screw thread.
Above-mentioned fixed disk can be connected through a screw thread with box cupling set to be fixedly installed togather.
The utility model is reasonable for structure, ingenious in design, it can be made to be built under small pressure environment by the setting of sleeve through hole
Standpipe inner ring is connected to, as the pressure increases, it can be achieved that pipe is inside and outside blocks, when pressure increase again can, can establish inside and outside pipe again
Connection realizes cycle, and can realize the function of ball-and-seat by spring, easy to operate, easy to use, can realize and make from grouting
Industry saves the activity duration, meets the job requirements such as well cementation, and with good stability.
Description of the drawings
Attached drawing 1 is the main view schematic cross-sectional view of the best embodiment of the utility model.
Attached drawing 2 is schematic cross-sectional view of the attached drawing 1 under the first shear pin and the second shear pin cutting state.
Coding in attached drawing is respectively：1 is sleeve body, and 2 be Guan Kongtao, and 3 be the first shear pin, and 4 be inner sliding sleeve, and 5 be the
Two shear pins, 6 be box cupling set, and 7 be fixed disk, and 8 be spring, and 9 be upper annular groove, and 10 be limited ring dais, and 11 be sleeve through hole, and 12 be blind
Hole, 13 be sliding sleeve through-hole, and 14 be outer land, and 15 be intercommunicating pore, and 16 be liquid-passing hole, and 17 is slide annular groove, and 18 be frustum face, and 19 are
It is oriented to annular groove, 20 be internal thread, and 21 be external screw thread.
Specific implementation mode
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to specification
The Butut mode of attached drawing 1 is described, such as：The position relationship of front, rear, top, and bottom, left and right etc. is according to Figure of description
Butut direction determine.
The utility model is further described with reference to embodiment and attached drawing：
As shown in attached drawing 1,2, it should include sleeve body 1 from grouting floating hoop, and close hole and cover the 2, first shear pin 3, inner sliding sleeve 4, the
The upper inner of two shear pins 5, box cupling set 6, fixed disk 7 and spring 8, sleeve body 1 is equipped with pass hole set 2 and the two is cut by first
Nail 3 is fixedly installed togather, and the upper inner of sleeve body 1 is closed and is equipped with positioned at upper on the outside of the upper end of hole set 2 equipped with upper annular groove 9
Limited ring dais 10 in annular groove 9, and have the first spacing between the lower end of limited ring dais 10 and the bottom end of upper annular groove 9；Inner sliding sleeve 4
Top is located at the lower inside of sleeve body 1 and is equipped with the second shear pin 5 between the two, the corresponding meta position for closing hole set 2 and inner sliding sleeve 4
The sleeve body 1 set is equipped with sleeve through hole 11, has the second spacing between 11 bottom end of lower end and sleeve through hole of pass hole set 2, and
First spacing is more than the second spacing, and blind hole 12 is equipped on the inside of the upper end of inner sliding sleeve 4, is set on the inner sliding sleeve 4 of 12 position of corresponding blind hole
There is the sliding sleeve through-hole 13 above 1 bottom end of sleeve body；The lower end outside of sleeve body 1 and the upper end inside of box cupling set 6 are solid
Dingan County is fitted together, and 4 outside of inner sliding sleeve of 1 lower position of corresponding sleeve body is equipped with the outer land 14 being set in box cupling set 6,
Outer land 14 is equipped with intercommunicating pore 15 up and down, and the lower end outside of inner sliding sleeve 4, which is set with, is fixedly mounted on 6 inside of box cupling set
Fixation disk 7, circumferentially have liquid-passing hole 16 up and down on fixed disk 7, set be equipped between outer land 14 and fixed disk 7
Spring 8 loaded on 4 outside of inner sliding sleeve.In use, the utility model is first connected to bunch tube lower part and G.I.H, in tripping in
, it can be achieved that being recycled from grouting and midway during in well；Bunch tube can carry out high flow rate washover after design position, pass through
It controls well-flushing pressure and cuts the first shear pin 3, limited ring dais 10 will be come downwards in upper annular groove under pressure by closing hole set 2 at this time
Thus 9 bottom end can block sleeve through hole 11 and realize that the sealing of square casing on inner sliding sleeve 4 builds the pressure, set overpressure will be gradual
It rises to and cuts the second shear pin 5, inner sliding sleeve 4 is located at sleeve body 1 by sliding sleeve through-hole 13 is come downwards under pressure at this time
Lower section, spring 8 are in compressive state, thus can realize the inside and outside connection of pipe, establish cycle, can implement well cementing operation later, spring 8
Setting can make the utility model have the function of ball-and-seat, will be in the reply of spring 8 when the pressure disappearance of 4 top of inner sliding sleeve
Homing is gone upward under force effect, prevents liquid reflux.The utility model is reasonable for structure, ingenious in design, passes through sleeve through hole
11 setting can make it establish the connection of pipe inner ring under small pressure environment, as the pressure increases, it can be achieved that the inside and outside closure of pipe, works as pressure
Power increase again can, the inside and outside connection of pipe can be established again, realize cycle, and the function that spring 8 realizes ball-and-seat can be passed through, behaviour
Make simply, it is easy to use, it can realize from cementing operations, save the activity duration, meet the job requirements such as well cementation, and with good
Stability.According to demand, intercommunicating pore 15, which is alternatively, is distributed in 14 outside of outer land and gap hole up and down, thus can make it
It processes more convenient.
It can be made further optimization and/or improvements according to actual needs from grouting floating hoop to above-mentioned：
As shown in attached drawing 1,2, the upper inner of the sleeve body 1 of 4 top position of corresponding inner sliding sleeve, which is equipped with, is located at upper annular groove 9
The sliding annular groove 17 of lower section, closing between the lower end of hole set 2 and the bottom end of sliding annular groove 17 has third spacing, and third spacing is more than
Second spacing.Thus further limit can be played to inner sliding sleeve 4 by sliding annular groove 17, when third is smaller than the first spacing
When, the extreme position of 4 downlink of inner sliding sleeve is its bottom end seat in the bottom end of sliding annular groove 17, is smaller than third spacing when first
When, the extreme position of 4 downlink of inner sliding sleeve is the bottom end seat of limited ring dais 10 in the bottom end of upper annular groove 9.
As shown in attached drawing 1,2, the top surface of outer land 14 is up-narrow and down-wide frustum face 18, and outer land 14 covers 6 with box cupling
Inner wall is in clearance fit.Thus outer land 14 can play the role of being oriented to during 4 hole of inner sliding sleeve moves up and down and to middle, make
Its relative motion is more smooth.
As shown in attached drawing 1,2,6 inside of box cupling set of corresponding outer 14 position of land, which is equipped with, is oriented to annular groove 19, outer land 14
There is the 4th spacing between lower end and the bottom end of guiding annular groove 19.Thus the downlink of inner sliding sleeve 4 can be played by being oriented to annular groove 19
Position-limiting action avoids excessive compression spring 8, extends the service life of spring 8.
As shown in attached drawing 1,2,10 outside of limited ring dais is equipped with the sealing ring 22 that can be sealed with upper annular groove 9, and corresponding sliding sleeve is logical
1 inside of sleeve body of 13 lower position of hole is equipped with can be with the sealing ring 11 of 4 outer side seal of inner sliding sleeve；It is come downwards to closing hole set 2
Under extreme position state, sealing is equipped between the pass hole set 2 and sleeve body 1 of position above and below corresponding sleeve through hole 11
Circle 22.Thus it can be made to keep good leakproofness.
As shown in attached drawing 1,2, internal thread 20 is equipped on the inside of the upper end of sleeve body 1, the lower end outside of box cupling set 6 is equipped with outer
Screw thread 21.Thus can be convenient for the utility model being connected in pipe string.
As shown in attached drawing 1,2, fixed disk 7 is connected through a screw thread with box cupling set 6 and is fixedly installed togather.Thus can be convenient for connecing
The installation of cuff 6.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (10)
1. a kind of from grouting floating hoop, it is characterised in that including sleeve body, Guan Kongtao, the first shear pin, inner sliding sleeve, the second shear pin,
Box cupling set, fixed disk and spring, the upper inner of sleeve body is equipped with Guan Kongtao and the two is fixedly mounted on by the first shear pin
Together, the upper inner of sleeve body is equipped with upper annular groove, and the limited ring dais being located in upper annular groove is equipped on the outside of the upper end of Guan Kongtao,
And there is the first spacing between the lower end of limited ring dais and the bottom end of upper annular groove；The top of inner sliding sleeve is located in the lower part of sleeve body
Side and it being equipped with the second shear pin between the two, the corresponding sleeve body for closing position between hole set and inner sliding sleeve is equipped with sleeve through hole,
There is the second spacing between the lower end and sleeve through hole bottom end of pass hole set, and the first spacing is more than the second spacing, the upper end of inner sliding sleeve
Inside is equipped with blind hole, and the inner sliding sleeve of corresponding blind hole position is equipped with the sliding sleeve through-hole being located above sleeve body bottom end；Sleeve sheet
It is fixedly installed togather on the inside of the upper end that the lower end outside of body is covered with box cupling, on the outside of the inner sliding sleeve of corresponding sleeve body lower position
Equipped with the outer land being set in box cupling set, outer land is equipped with intercommunicating pore up and down, the lower end outside suit of inner sliding sleeve
Have the fixation disk for being fixedly mounted on box cupling set inside, circumferentially there is liquid-passing hole up and down on fixed disk, outer land with
It is equipped with the spring being set on the outside of inner sliding sleeve between fixed disk.
2. according to claim 1 from grouting floating hoop, it is characterised in that the sleeve body of corresponding inner sliding sleeve top position
Upper inner is equipped with the sliding annular groove being located at below upper annular groove, has between the lower end of Guan Kongtao and the bottom end for sliding annular groove between third
Away from, and third spacing is more than the second spacing.
3. according to claim 1 or 2 from grouting floating hoop, it is characterised in that the top surface of outer land is up-narrow and down-wide frustum
Face, and outer land and box cupling set inner wall are in clearance fit.
4. according to claim 1 or 2 from grouting floating hoop, it is characterised in that the box cupling set inside of corresponding outer land position is set
There is guiding annular groove, has the 4th spacing between the lower end and the bottom end of guiding annular groove of outer land.
5. according to claim 3 from grouting floating hoop, it is characterised in that the box cupling set inside of corresponding outer land position is equipped with
It is oriented to annular groove, has the 4th spacing between the lower end and the bottom end of guiding annular groove of outer land.
6. according to claims 1 or 2 or 5 from grouting floating hoop, it is characterised in that being equipped on the outside of limited ring dais can be with upper ring
The sealing ring of slot sealing, the sleeve body inside of corresponding sliding sleeve through-hole lower position is equipped with can be with the sealing of inner sliding sleeve outer side seal
Circle；In the case where Guan Kongtao comes downwards to extreme position state, the pass hole set and sleeve body of position above and below corresponding sleeve through hole
Between be equipped with sealing ring.
7. according to claim 3 from grouting floating hoop, it is characterised in that being equipped on the outside of limited ring dais can seal with upper annular groove
Sealing ring, being equipped on the inside of the sleeve body of corresponding sliding sleeve through-hole lower position can be with the sealing ring of inner sliding sleeve outer side seal；
It closes hole set to come downwards under extreme position state, above and below corresponding sleeve through hole between the pass hole set and sleeve body of position
Equipped with sealing ring.
8. according to claim 4 from grouting floating hoop, it is characterised in that being equipped on the outside of limited ring dais can seal with upper annular groove
Sealing ring, being equipped on the inside of the sleeve body of corresponding sliding sleeve through-hole lower position can be with the sealing ring of inner sliding sleeve outer side seal；
It closes hole set to come downwards under extreme position state, above and below corresponding sleeve through hole between the pass hole set and sleeve body of position
Equipped with sealing ring.
9. according to claims 1 or 2 or 5 or 7 or 8 from grouting floating hoop, it is characterised in that on the inside of the upper end of sleeve body
Equipped with internal thread, the lower end outside of box cupling set is equipped with external screw thread；Or/and fixed disk is connected through a screw thread fixed peace with box cupling set
It is fitted together.
10. according to claim 6 from grouting floating hoop, it is characterised in that internal thread is equipped on the inside of the upper end of sleeve body,
The lower end outside of box cupling set is equipped with external screw thread；Or/and fixed disk is connected through a screw thread with box cupling set and is fixedly installed togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215264.2U CN207905771U (en) | 2018-02-07 | 2018-02-07 | From grouting floating hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215264.2U CN207905771U (en) | 2018-02-07 | 2018-02-07 | From grouting floating hoop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905771U true CN207905771U (en) | 2018-09-25 |
Family
ID=63563560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820215264.2U Active CN207905771U (en) | 2018-02-07 | 2018-02-07 | From grouting floating hoop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207905771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671076A (en) * | 2019-09-17 | 2020-01-10 | 中国海洋石油集团有限公司 | Circulating valve for whipstock |
| CN110878680A (en) * | 2019-10-28 | 2020-03-13 | 大庆石油管理局有限公司 | Casing pipe lowering pressure-building one-way valve |
| CN112443285A (en) * | 2019-09-02 | 2021-03-05 | 中国石油天然气股份有限公司 | Sand prevention device capable of replacing slurry outside pipe and slurry replacing method |
-
2018
- 2018-02-07 CN CN201820215264.2U patent/CN207905771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443285A (en) * | 2019-09-02 | 2021-03-05 | 中国石油天然气股份有限公司 | Sand prevention device capable of replacing slurry outside pipe and slurry replacing method |
| CN110671076A (en) * | 2019-09-17 | 2020-01-10 | 中国海洋石油集团有限公司 | Circulating valve for whipstock |
| CN110671076B (en) * | 2019-09-17 | 2022-04-08 | 中国海洋石油集团有限公司 | Circulating valve for whipstock |
| CN110878680A (en) * | 2019-10-28 | 2020-03-13 | 大庆石油管理局有限公司 | Casing pipe lowering pressure-building one-way valve |
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