CN208900086U - Sand control pack sliding sleeve - Google Patents
Sand control pack sliding sleeve Download PDFInfo
- Publication number
- CN208900086U CN208900086U CN201821337354.5U CN201821337354U CN208900086U CN 208900086 U CN208900086 U CN 208900086U CN 201821337354 U CN201821337354 U CN 201821337354U CN 208900086 U CN208900086 U CN 208900086U
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- sliding sleeve
- sand control
- elastic claw
- sealing
- control pack
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Abstract
The utility model relates to oil field development completion technique fields, are related to sand control pack sliding sleeve.Sand control pack sliding sleeve includes sliding sleeve, lower contact, sealing drum and sliding sleeve switch；In sand control pack, tubing string discharge port is located at erosion set position in filling, prevent gravel from damaging sliding sleeve ontology erosion, sealing drum and filling inner tube column sealing, it prevents pack gravel from falling into inside tubing string and causes to fill interior tubing string sand card, connect and move up sliding sleeve switch after sand off with sliding sleeve switch with switching tools, close sand control pack sliding sleeve, sand control pack sliding sleeve can carry out suppressing verifying by tubing string in filling and sealing drum sealing after closing to the closing situation of sliding sleeve switch, it is ensured that close reliable；When carrying out supplement gravel operation because of pack gravel amount deficiency, tripping in switching tools and packing tool the gravel in stratum can be supplemented again.
Description
Technical field
The utility model relates to oil field development completion technique fields, in particular to sand control pack sliding sleeve.
Background technique
In current oil field development, with the promotion of increasing for loose sand oil field development, especially well-completing process, filling
Gravel sand control and pressure crack filling anti-sand technique are increasing, and sand control pack sliding sleeve is the key that filling and fracturing sand control sand control work
Tool, also proposed higher application requirement thus.Sand control pack sliding sleeve is used cooperatively with packing tool and special opening-closing tool,
Quickly sliding sleeve switch can be closed after packing job, guarantee that gravel packing operations smoothly complete.Sliding sleeve switch uses bullet
Property undergauge, upper elastic claw internal diameter reduces when opening, and internal diameter restores after closing, it can be ensured that sliding sleeve is closed reliable after the completion of filling, is closed
The closing situation of sand control pack sliding sleeve can be tested after closing by interior filling tubing string.
The structure of sliding sleeve is more in completion tool used at present, but feeds back according to the case where use, and sliding sleeve work work is deposited
Closing, reliability is poor, closes not in place there are sliding sleeve and misses opening situation, causes sand control treatment to fail, increased sand control is made
The difficulty of the finishing operations of industry.
Therefore it provides a kind of sand control pack sliding sleeve of high reliablity becomes those skilled in the art's important skill to be solved
Art problem.
Utility model content
The purpose of this utility model is to provide a kind of sand control pack sliding sleeves, to alleviate sliding sleeve reliable operation in the prior art
Property difference technical problem.
The utility model embodiment provides a kind of sand control pack sliding sleeve, including sliding sleeve, connect down and connects with the sliding sleeve
Head, the sealing drum being connect with the lower contact and the sliding sleeve switch being set in the sliding sleeve；
Filling mouth is offered on the sliding sleeve, the sliding sleeve switch is located at the filling mouth；
The erosion set for preventing gravel from causing damage to the sliding sleeve is provided in the sliding sleeve；
It is offered in the sliding sleeve for limiting the first locating slot for positioning the sliding sleeve switch, is opened up in the lower contact
Have for limiting the second locating slot for positioning the sliding sleeve switch；
The first elastic claw and the second elastic claw are provided on the sliding sleeve switch, first elastic claw is fixed with described first
Position slot adaptation, second elastic claw are adapted to second locating slot.
The first possible embodiment provided by the embodiment of the utility model, wherein above-mentioned erosion set is located at described fill
It fills out above mouth.
Second of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned sliding sleeve switch includes sealing
Portion and limiting section, the sealing are fixedly connected with the limiting section；
The sealing is adapted to the filling mouth, and the sealing outer wall is provided with sealing ring；
First elastic claw and second elastic claw are arranged on the limiting section, and first elastic claw is located at
Above second elastic claw.
The third possible embodiment provided by the embodiment of the utility model, wherein above-mentioned first elastic claw and described
The distance between second elastic claw is less than the distance between first locating slot and second locating slot.
4th kind of possible embodiment provided by the embodiment of the utility model, wherein in first elastic claw and institute
When stating the connection of the first locating slot, the filling mouth is in close state；
When second elastic claw is connect with second locating slot, the filling mouth is in the open state.
5th kind of possible embodiment provided by the embodiment of the utility model, wherein in second elastic claw and institute
When stating the connection of the second locating slot, the top of the sealing is lower than the filling mouth.
6th kind of possible embodiment provided by the embodiment of the utility model, wherein be provided in above-mentioned sliding sleeve switch
Shoulder for cooperating with switching tools.
7th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned lower contact and the sliding sleeve
It is threadedly coupled, and the lower contact inner wall is provided with sealing ring.
8th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned sealing drum with it is described under connect
Head thread connection, and the sealing drum outer wall is provided with sealing ring.
9th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned lower contact passes through clamp screw
Nail is connect with the sealing drum.
The utility model has the advantages that
The utility model embodiment provides a kind of sand control pack sliding sleeve, including sliding sleeve, the lower contact being connect with sliding sleeve, with
The sealing drum of lower contact connection and the sliding sleeve switch being set in sliding sleeve；Filling mouth is offered on sliding sleeve, sliding sleeve switch, which is located at, to be filled
Fill out Kou Chu；The erosion set for preventing gravel from causing damage to sliding sleeve is provided in sliding sleeve；It is fixed for limiting to offer in sliding sleeve
First locating slot of position sliding sleeve switch, the second locating slot for limiting locating slide sleeve switch is offered in lower contact；Sliding sleeve is opened
It shuts and is provided with the first elastic claw and the second elastic claw, the first elastic claw is adapted to the first locating slot, the second elastic claw and second
Locating slot adaptation.In sand control pack, fills interior tubing string discharge port and be located at erosion set position, prevent gravel to sliding sleeve ontology erosion
Damage, sealing drum and filling inner tube column sealing, prevent pack gravel from falling into inside tubing string and cause to fill interior tubing string sand card, filling knot
Shu Houyong switching tools connect with sliding sleeve switch and move up sliding sleeve switch, close sand control pack sliding sleeve, and sand control pack sliding sleeve is closed
The closing situation of sliding sleeve switch can be carried out suppressing verifying by tubing string in filling and sealing drum sealing afterwards, it is ensured that close reliable；
When because pack gravel amount deficiency carry out supplement gravel operation when, can again tripping in switching tools and packing tool to the gravel in stratum
Stone is supplemented.It can be sliding with effective protection in achievable huge discharge big sand comparison stratum progress squeeze pack operation, stowing operation
Cover the not damage by gravel to sliding sleeve；Sliding sleeve switch is opened and closed using switching tools, and can be repeated several times and be beaten on and off
It closes, realizes that secondary filling replacement of sand, the elastic claw of sliding sleeve switch have self-lock ability, can prevent the fashionable cunning under flow string
Set switch is accidentally opened；It is used cooperatively with packing tool, closedown sliding sleeve and can verify that the closing situation of sliding sleeve after sand off, operation
It is simple and reliable.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of sand control pack sliding sleeve provided by the embodiment of the utility model.
Icon: 100- sliding sleeve；110- fills mouth；120- erosion set；The first locating slot of 130-；200- lower contact；
The second locating slot of 210-；300- sealing drum；400- sliding sleeve switch；410- sealing；420- limiting section；The first bullet of 421-
Property pawl；The second elastic claw of 422-；500- sealing ring.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
With reference to shown in Fig. 1:
The utility model embodiment provides a kind of sand control pack sliding sleeve, connect down including sliding sleeve 100, with sliding sleeve 100
Connector 200, the sealing drum 300 being connect with lower contact 200 and the sliding sleeve switch 400 being set in sliding sleeve 100；It is opened on sliding sleeve 100
Equipped with filling mouth 110, sliding sleeve switch 400 is located at filling mouth 110；It is provided in sliding sleeve 100 for preventing gravel to sliding sleeve 100
Cause the erosion set 120 of damage；The first locating slot 130 for limiting locating slide sleeve switch 400 is offered in sliding sleeve 100, under
The second locating slot 210 for limiting locating slide sleeve switch 400 is offered in connector 200；First is provided on sliding sleeve switch 400
Elastic claw 421 and the second elastic claw 422, the first elastic claw 421 are adapted to the first locating slot 130, the second elastic claw 422 and
Two locating slots 210 adaptation.
The utility model embodiment provides a kind of sand control pack sliding sleeve, connect down including sliding sleeve 100, with sliding sleeve 100
Connector 200, the sealing drum 300 being connect with lower contact 200 and the sliding sleeve switch 400 being set in sliding sleeve 100；It is opened on sliding sleeve 100
Equipped with filling mouth 110, sliding sleeve switch 400 is located at filling mouth 110；It is provided in sliding sleeve 100 for preventing gravel to sliding sleeve
100 cause the erosion set 120 of damage；The first locating slot 130 for limiting locating slide sleeve switch 400 is offered in sliding sleeve 100,
The second locating slot 210 for limiting locating slide sleeve switch 400 is offered in lower contact 200；Is provided on sliding sleeve switch 400
One elastic claw 421 and the second elastic claw 422, the first elastic claw 421 are adapted to the first locating slot 130, the second elastic claw 422 and
Two locating slots 210 adaptation.In sand control pack, fills interior tubing string discharge port and be located at 120 positions of erosion set, prevent gravel to sliding sleeve
100 ontology erosions damage, sealing drum 300 and filling inner tube column sealing, prevent pack gravel from falling into inside tubing string and cause in filling
Tubing string sand card connect with switching tools with sliding sleeve switch 400 and moves up sliding sleeve switch 400 after sand off, close sand control pack
Sliding sleeve, sand control pack sliding sleeve can seal the closing feelings to sliding sleeve switch 400 by tubing string in filling and sealing drum 300 after closing
Condition carries out suppressing verifying, it is ensured that closes reliable；When carrying out supplement gravel operation because of pack gravel amount deficiency, tripping in can open again
Pass tool and packing tool supplement the gravel in stratum.The big sand of huge discharge can be achieved and compare stratum progress squeeze pack work
Industry, can be with the not damage by gravel to sliding sleeve 100 of effective protection sliding sleeve 100 in stowing operation；Sliding sleeve switch 400 is using switch
Tool open and closing, and opening and closing can be repeated several times, realize secondary filling replacement of sand, the bullet of sliding sleeve switch 400
Property pawl there is self-lock ability, can prevent the fashionable sliding sleeve switch 400 under flow string from accidentally opening；It is used cooperatively with packing tool,
Closedown sliding sleeve 100 and it can verify that the closing situation of sliding sleeve 100 after sand off, operation is simple and reliable.
Wherein, the cooperation of sand control pack sliding sleeve fills interior tubing string and uses, and tubing string is plugged in inside sand control pack sliding sleeve in filling,
Tubing string and sealing drum 300 are tightly connected in filling, and tubing string offers discharge gate in filling, and the gravel for filling can be from filling
Interior tubing string, which is transported into, to be come, and is discharged in sand control pack sliding sleeve from discharge gate, then from 110 row of filling mouth of sand control pack sliding sleeve
Out.
Specifically, using the first elastic claw 421 and the fixed sliding sleeve switch 400 of the second elastic claw 422, user passes through switch
Tool can facilitate the first elastic claw 421 of control and the second elastic claw 422, thus the first elastic claw of control 421 and the first positioning
The connection of slot 130 (shrinks the opening range of the first elastic claw 421 by switching tools, thus enabling the first elastic claw 421
Removed out of first locating slot 130), switching tools control the second elastic claw 422 herewith；Setting in this way, sliding sleeve switch
400 are opened and closed using switching tools, and enough be repeated several times opens and closes, and realize secondary filling replacement of sand.
Moreover, sliding sleeve switch 400 is fixed by the first elastic claw 421 and the second elastic claw 422,421 He of the first elastic claw
Second elastic claw 422 has self-lock ability, guarantees that sliding sleeve switch 400 arbitrarily will not fall off or shift, improves reliability.
It, can be to avoid the gravel that tubing string in filling is discharged to sliding sleeve 100 by the erosion set 120 being arranged in sliding sleeve 100
It causes to wear, so that the big sand of huge discharge, which can be achieved, in sand control pack sliding sleeve compares stratum progress squeeze pack operation.
It wherein,, can be with because tubing string and sealing drum 300 are tightly connected in filling after closedown sliding sleeve switch 400
The closing situation of sliding sleeve switch 400 is carried out suppressing verifying, it is ensured that close reliable, raising reliability.
In the optinal plan of the present embodiment, erosion set 120 is located at 110 top of filling mouth.
In the optinal plan of the present embodiment, sliding sleeve switch 400 include sealing 410 and limiting section 420, sealing 410 with
Limiting section 420 is fixedly connected；Sealing 410 is adapted to filling mouth 110, and 410 outer wall of sealing is provided with sealing ring 500；First
Elastic claw 421 and the second elastic claw 422 are arranged on limiting section 420, and the first elastic claw 421 is located on the second elastic claw 422
Side.
In the optinal plan of the present embodiment, the distance between the first elastic claw 421 and the second elastic claw 422 are fixed less than first
Position the distance between slot 130 and the second locating slot 210.
In the optinal plan of the present embodiment, when the first elastic claw 421 is connect with the first locating slot 130, mouth 110 is filled
It is in close state；When the second elastic claw 422 is connect with the second locating slot 210, filling mouth 110 is in the open state.
Specifically, sliding sleeve switch 400 includes sealing 410 and limiting section 420, both sealing 410 and limiting section 420
It is fixedly connected, sealing 410 is located at 420 top of limiting section.
Wherein, the closure filling mouth 110 of sealing 410, and 410 outer wall of sealing is equipped with more sealing rings along its axis
500, sealing ring 500 is against 410 outer wall of sealing and 100 inner wall of sliding sleeve is direct, for sealing filling mouth 110.
Wherein, the first elastic claw 421 and the second elastic claw 422 are arranged on limiting section 420, and the first elastic claw 421
Positioned at the top of the second elastic claw 422, the first elastic claw 421 is connect with the first locating slot 130, the second elastic claw 422 and second
Locating slot 210 connects.
Also, sliding sleeve switch 400 can be driven to move up and down by switching tools, when sliding sleeve switch 400 moves up,
First elastic claw 421 is connect with the first locating slot 130, and filling mouth 110 is in close state；When sliding sleeve switch 400 moves down
When, the second elastic claw 422 is connect with the second locating slot 210, and filling mouth 110 is in the open state.
In the optinal plan of the present embodiment, when the second elastic claw 422 is connect with the second locating slot 210, sealing 410
Top lower than filling mouth 110.
Specifically, that is, sliding sleeve switch 400 is in the open state when the second elastic claw 422 is connect with the second locating slot 210
When, it is unimpeded to fill mouth 110 with guarantee lower than the height of filling mouth 110 for the overhead height of sealing 410.
In the optinal plan of the present embodiment, the shoulder for cooperating with switching tools is provided in sliding sleeve switch 400.
Specifically, being provided with the shoulder for cooperating with switching tools in sliding sleeve switch 400, shoulder is located at the first elastic claw
421 and second at elastic claw 422.
In the optinal plan of the present embodiment, lower contact 200 is threadedly coupled with sliding sleeve 100, and 200 inner wall of lower contact is provided with
Sealing ring 500.
Specifically, sliding sleeve 100 is set in lower contact 200, and lower contact 200 is threadedly coupled with sliding sleeve 100, under guarantee
The connectivity robustness of connector 200 and sliding sleeve 100.
And 200 inner wall of lower contact is provided with sealing ring 500, guarantees the tightness of sand control pack sliding sleeve.
In the optinal plan of the present embodiment, sealing drum 300 is threadedly coupled with lower contact 200, and 300 outer wall of sealing drum is arranged
There is sealing ring 500.
Specifically, sealing drum 300 is set in lower contact 200, and lower contact 200 is threadedly coupled with sliding sleeve 100, is guaranteed
The connectivity robustness of lower contact 200 and sealing drum 300.
And 300 outer wall of sealing drum is provided with sealing ring 500, guarantees the tightness of sand control pack sliding sleeve.
Wherein, sealing ring 500 uses O-ring.
In the optinal plan of the present embodiment, lower contact 200 is connect by holding screw with sealing drum 300.
Specifically, lower contact 200 is connect by holding screw with sealing drum 300, fixed lower contact 200 and sealing drum 300
Relative position, avoid sealing drum 300 rotate.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of sand control pack sliding sleeve characterized by comprising sliding sleeve, the lower contact being connect with the sliding sleeve, with it is described under connect
The sealing drum of head connection and the sliding sleeve switch being set in the sliding sleeve；
Filling mouth is offered on the sliding sleeve, the sliding sleeve switch is located at the filling mouth；
The erosion set for preventing gravel from causing damage to the sliding sleeve is provided in the sliding sleeve；
It is offered in the sliding sleeve for limiting the first locating slot for positioning the sliding sleeve switch, is opened up in the lower contact useful
The second locating slot of the sliding sleeve switch is positioned in limitation；
The first elastic claw and the second elastic claw, first elastic claw and first locating slot are provided on the sliding sleeve switch
Adaptation, second elastic claw are adapted to second locating slot.
2. sand control pack sliding sleeve according to claim 1, which is characterized in that the erosion set is located on the filling mouth
Side.
3. sand control pack sliding sleeve according to claim 1, which is characterized in that the sliding sleeve switch includes sealing and limit
Portion, the sealing are fixedly connected with the limiting section；
The sealing is adapted to the filling mouth, and the sealing outer wall is provided with sealing ring；
First elastic claw and second elastic claw are arranged on the limiting section, and first elastic claw is located at described
Above second elastic claw.
4. sand control pack sliding sleeve according to claim 3, which is characterized in that first elastic claw and second elasticity
The distance between pawl is less than the distance between first locating slot and second locating slot.
5. sand control pack sliding sleeve according to claim 4, which is characterized in that fixed with described first in first elastic claw
When the slot connection of position, the filling mouth is in close state；
When second elastic claw is connect with second locating slot, the filling mouth is in the open state.
6. sand control pack sliding sleeve according to claim 5, which is characterized in that fixed with described second in second elastic claw
When the slot connection of position, the top of the sealing is lower than the filling mouth.
7. sand control pack sliding sleeve according to claim 1, which is characterized in that be provided in the sliding sleeve switch for open
The shoulder of pass tool cooperation.
8. sand control pack sliding sleeve according to claim 1, which is characterized in that the lower contact and the sliding sleeve screw thread connect
It connects, and the lower contact inner wall is provided with sealing ring.
9. sand control pack sliding sleeve according to claim 1, which is characterized in that the sealing drum and the lower contact screw thread connect
It connects, and the sealing drum outer wall is provided with sealing ring.
10. sand control pack sliding sleeve according to claim 9, which is characterized in that the lower contact passes through holding screw and institute
State sealing drum connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821337354.5U CN208900086U (en) | 2018-08-17 | 2018-08-17 | Sand control pack sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821337354.5U CN208900086U (en) | 2018-08-17 | 2018-08-17 | Sand control pack sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900086U true CN208900086U (en) | 2019-05-24 |
Family
ID=66569667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821337354.5U Active CN208900086U (en) | 2018-08-17 | 2018-08-17 | Sand control pack sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208900086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188591A (en) * | 2020-03-20 | 2020-05-22 | 山东普瑞思德石油技术有限公司 | Water control device |
| CN111927408A (en) * | 2020-10-10 | 2020-11-13 | 东营市瑞丰石油技术发展有限责任公司 | Packing string and sand control completion method |
| CN113073963A (en) * | 2021-06-08 | 2021-07-06 | 东营市正能石油科技有限公司 | Filling tool for oil field operation |
-
2018
- 2018-08-17 CN CN201821337354.5U patent/CN208900086U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188591A (en) * | 2020-03-20 | 2020-05-22 | 山东普瑞思德石油技术有限公司 | Water control device |
| CN111927408A (en) * | 2020-10-10 | 2020-11-13 | 东营市瑞丰石油技术发展有限责任公司 | Packing string and sand control completion method |
| CN113073963A (en) * | 2021-06-08 | 2021-07-06 | 东营市正能石油科技有限公司 | Filling tool for oil field operation |
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