CN204627544U - Sliding sleeve switch is injected in a kind of layering - Google Patents

Sliding sleeve switch is injected in a kind of layering Download PDF

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Publication number
CN204627544U
CN204627544U CN201520221639.2U CN201520221639U CN204627544U CN 204627544 U CN204627544 U CN 204627544U CN 201520221639 U CN201520221639 U CN 201520221639U CN 204627544 U CN204627544 U CN 204627544U
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CN
China
Prior art keywords
sliding sleeve
inner sliding
diameter section
hole
internal diameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520221639.2U
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Chinese (zh)
Inventor
马振
曲绍刚
刘锦
吕孝明
周俊杰
李琳琳
赵国柱
卢丽丝
杨昕
刘佩衡
王强
杨杨
汪盈盈
王菲菲
宋驰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201520221639.2U priority Critical patent/CN204627544U/en
Application granted granted Critical
Publication of CN204627544U publication Critical patent/CN204627544U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of layering and injects sliding sleeve switch, comprise the inner sliding sleeve (2) of tubular, the top connection (1) of tubular is arranged with outside the upper end of inner sliding sleeve (2), the lower contact (9) of tubular is arranged with outside the lower end of inner sliding sleeve (2), the first through hole (5) is provided with in the sidewall of inner sliding sleeve (2), the second through hole (6) is provided with in the sidewall of lower contact (9), inner sliding sleeve (2) can vertically slide up and down, described layering injection sliding sleeve switch also comprises the elastomeric element for making inner sliding sleeve (2) reset, when inner sliding sleeve (2) slides into enable possition, first through hole (5) is communicated with the second through hole (6).This layering is injected sliding sleeve switch and is not limited by packer setting in use, is realized the open and close of switch by the change of oily overpressure, ensures that the smooth enforcement of fluid measure is injected in layering.

Description

Sliding sleeve switch is injected in a kind of layering
Technical field
The utility model relates to Petroleum Production technical field, and particularly sliding sleeve switch is injected in a kind of layering, or a kind of sliding sleeve switch implemented for seperated layer water injection or layer steam injection.
Background technology
At present, the sliding sleeve switch used in layering injection technology technology is mainly used to control the Kai Heguan that each layer fluid enters oil reservoir passage.Sliding sleeve switch conventional mostly at present is hydraulic water power switch, is suppressed the switch realizing derailing switch by oil jacket annular space.Chinese patent CN2400570Y, October 11 2000 publication date, disclose one " hydraulic switch sliding sleeve ", this hydraulic switch sliding sleeve is the hydraulic switch sliding sleeve that a kind of oilfield producing well selects in layer operation, but in use need to coordinate special packer to use, suppress realization at annular space and open.Because general packer setting is difficult to realize suppressing sliding sleeve switch later, therefore, this packer has certain limitation.
Utility model content
In order to solve the problem needing when existing sliding sleeve switch uses to set, the utility model provides a kind of layering and injects sliding sleeve switch, this layering is injected sliding sleeve switch and is not limited by packer setting in use, realized the open and close of switch by the change of oily overpressure, ensure that the smooth enforcement of fluid measure is injected in layering.
The utility model solves the technical scheme that its technical problem adopts: sliding sleeve switch is injected in a kind of layering, the inner sliding sleeve comprising tubular in sliding sleeve switch is injected in described layering, the axis of inner sliding sleeve is vertically arranged, the top connection of tubular is arranged with outside the upper end of inner sliding sleeve, the lower contact of tubular is arranged with outside the lower end of inner sliding sleeve, the first through hole is provided with in the sidewall of inner sliding sleeve, the second through hole is provided with in the sidewall of lower contact, can under the effect of fluid pressure slide downward, described layering injection sliding sleeve switch also comprises the elastomeric element for making inner sliding sleeve reset, when inner sliding sleeve slides into enable possition, first through hole is communicated with the second through hole.
Inner sliding sleeve can vertically slide relative to top connection, and the external diameter of inner sliding sleeve equals the internal diameter of top connection, is provided with internal thread in the upper end of top connection.
The inwall of inner sliding sleeve is provided with the first internal diameter section, the second internal diameter section and the 3rd internal diameter section that connect successively from the top down, and the internal diameter of the second internal diameter section is less than the internal diameter of the 3rd internal diameter section, and the internal diameter of the 3rd internal diameter section is less than the internal diameter of the first internal diameter section.
The outer wall of inner sliding sleeve is provided with the first external diameter section and the second external diameter section that connect successively from the top down, and the external diameter of the second external diameter section is greater than the external diameter of the first external diameter section.
Outer ring transition face between first external diameter section and the second external diameter section is positioned at the second internal diameter section, and one end of the first through hole is positioned at the second internal diameter section, and the other end of the first through hole is positioned at the second external diameter section.
Inner sliding sleeve can vertically slide relative to lower contact, the external diameter of the second external diameter section of inner sliding sleeve equals the internal diameter of lower contact, the upper end of lower contact is provided with ring-shaped step, and the internal diameter of ring-shaped step is less than the external diameter of the second external diameter section, and ring-shaped step is positioned at the top of described outer ring transition face.
The diameter of the first through hole is the half of the second through-hole diameter, has been uniformly distributed circumferentially multiple first through hole in the sidewall of inner sliding sleeve, is provided with and the first through hole the second through hole one to one in the sidewall of lower contact.
Be provided with sealing ring between inner sliding sleeve and top connection, between inner sliding sleeve and lower contact, be also provided with sealing ring.
Being provided with the first male-female structure for preventing inner sliding sleeve from rotating relative to the circumference of lower contact between inner sliding sleeve and lower contact, between inner sliding sleeve and top connection, being provided with the second male-female structure for preventing inner sliding sleeve from rotating relative to the circumference of top connection.
This elastomeric element is spring, and spring housing is located at outside inner sliding sleeve, and spring is between top connection and lower contact, and middle part or the top of spring are welded with inner sliding sleeve, and the lower end of spring is welded with lower contact.
The beneficial effects of the utility model are, this layering is injected sliding sleeve switch and do not limited by packer setting in use, and sliding sleeve switch realizes sliding sleeve opening and closing by tubing pressure are injected in this layering, after the measure of injection fluid completes, can realize pit shaft full-bore, without the need to boring mill, operating cost is low; After formation water output, can realize closing, meet the requirement that layering is injected.Accurately can be controlled the Kai Heguan on required stratum by pressure size when more than three switches use simultaneously simultaneously.In layering injection technology technology implementation process, this switch application is flexible, simple to operate, facilitates execute-in-place, has a good application prospect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the assembling drawing that sliding sleeve switch is injected in layering.
Wherein 1. top connections, 2. inner sliding sleeve, 3. outer ring transition face, annular transition face 4., 5. the first through hole, 6. the second through hole, 7. spring, 8. ring-shaped step, 9. lower contact;
21. first internal diameter sections, 22. second internal diameter sections, 23. the 3rd internal diameter sections, 24. first external diameter sections, 25. second external diameter sections.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Sliding sleeve switch is injected in a kind of layering, comprise the inner sliding sleeve 2 of tubular, during use, the axis of inner sliding sleeve 2 is vertically arranged, the top connection 1 of tubular is arranged with outside the upper end of inner sliding sleeve 2, the lower contact 9 of tubular is arranged with outside the lower end of inner sliding sleeve 2, the first through hole 5 is provided with in the sidewall of inner sliding sleeve 2, the second through hole 6 is provided with in the sidewall of lower contact 9, inner sliding sleeve 2 can under the effect of fluid pressure slide downward, described layering injection sliding sleeve switch also comprises the elastomeric element for making inner sliding sleeve 2 reset, when inner sliding sleeve 2 slides into enable possition, first through hole 5 is communicated with the second through hole 6, when inner sliding sleeve 2 slides into fastening position, the first through hole 5 is not communicated with the second through hole 6, as shown in Figure 1.
Operationally, as shown in Figure 1, when inner sliding sleeve 2 slides down to enable possition, the inner chamber of inner sliding sleeve 2 passes through the ft connection of the first through hole 5 and the second through hole 6 and lower contact 9 successively; When inner sliding sleeve 2 is positioned at fastening position, the first through hole 5 is not communicated with the second through hole 6, the inner chamber of inner sliding sleeve 2 can not with the ft connection of lower contact 9.
In the present embodiment, this layering injects sliding sleeve switch in use, top connection 1 and lower contact 9 maintain static, inner sliding sleeve 2 can vertically slide up and down relative to top connection 1, the external diameter of inner sliding sleeve 2 equals the internal diameter of top connection 1, be interference fits or matched in clearance between inner sliding sleeve 2 and top connection 1, in the upper end of top connection 1, be provided with internal thread.
The internal diameter that the inwall of inner sliding sleeve 2 is provided with the first internal diameter section 21, second internal diameter section 22 and the 3rd internal diameter section 23, the second internal diameter section 22 connected successively is from the top down less than the internal diameter of the 3rd internal diameter section 23, and the internal diameter of the 3rd internal diameter section 23 is less than the internal diameter of the first internal diameter section 21.Annular transition face 4 in being formed between first internal diameter section 21 and the second internal diameter section 22.
The external diameter that the outer wall of inner sliding sleeve 2 is provided with the first external diameter section 24, second external diameter section 25, the second external diameter section 25 connected successively is from the top down greater than the external diameter of the first external diameter section 24, forms outer ring transition face 3 between the first external diameter section 24 and the second external diameter section 25.In the vertical direction, outer ring transition face 3 between first external diameter section 24 and the second external diameter section 25 is positioned at the second internal diameter section 22, the axis that the other end that one end of first through hole 5 is positioned at the second internal diameter section 22, first through hole 5 is positioned at the second external diameter section 25, first through hole 5 is arranged in the horizontal direction.
Inner sliding sleeve 2 can also vertically slide up and down relative to lower contact 9, the external diameter of the second external diameter section 25 of inner sliding sleeve 2 equals the internal diameter of lower contact 9, second external diameter section 25 of inner sliding sleeve 2 and lower contact 9 interference fits or matched in clearance, the upper end of lower contact 9 is provided with ring-shaped step 8, the internal diameter of ring-shaped step 8 is less than the external diameter of the second external diameter section 25, ring-shaped step 8 is positioned at the top of described outer ring transition face 4, and ring-shaped step 8 is spacing for inner sliding sleeve 2.
In the present embodiment, the diameter of the first through hole 5 is the half of the second through hole 6 diameter, has been uniformly distributed circumferentially four the first through holes 5 in the sidewall of inner sliding sleeve 2, is provided with four and the first through hole 5 second through hole 6 one to one in the sidewall of lower contact 9.Be provided with sealing ring between the inwall of inner sliding sleeve 2 and top connection 1, between the inwall of inner sliding sleeve 2 and lower contact 9, be also provided with sealing ring.
Circumferentially rotate to prevent inner sliding sleeve 2, the first male-female structure for preventing inner sliding sleeve 2 from rotating relative to the circumference of lower contact 9 is provided with between inner sliding sleeve 2 and lower contact 9, this the first male-female structure is be arranged on the groove of inner sliding sleeve 2 outer wall and be arranged on the projection of lower contact 9 inwall, or this first male-female structure is be arranged on the projection of inner sliding sleeve 2 outer wall and be arranged on the groove of lower contact 9 inwall.Also the second male-female structure for preventing inner sliding sleeve 2 from rotating relative to the circumference of top connection 1 is provided with between inner sliding sleeve 2 and top connection 1, this the second male-female structure is be arranged on the groove of inner sliding sleeve 2 outer wall and be arranged on the projection of top connection 1 inwall, or this second male-female structure is be arranged on the projection of inner sliding sleeve 2 outer wall and be arranged on the groove of top connection 1 inwall.
In the present embodiment, this elastomeric element is spring 7, as shown in Figure 1, spring 7 is set in outside inner sliding sleeve 2, spring 7 is between top connection 1 and lower contact 9, and the middle part of spring 7 or top and inner sliding sleeve 2 are welded and fixed, and the lower end of spring 7 and the upper end of lower contact 9 are welded and fixed.
During use, the upper end of top connection 1 is fixedly connected with upper oil pipe, and the upper end of lower contact 9 is fixedly connected with lower oil pipe, after connecting as shown in Figure 1, first through hole 5 is not communicated with the second through hole 6, and inner sliding sleeve 2 is positioned at fastening position, and this layering is injected sliding sleeve switch and is in closed condition.Inject fluid in the inside sliding sleeve 2 of upper oil pipe after, oil overpressure raises gradually, inner sliding sleeve 2 can under the effect of fluid pressure slide downward, concrete fluid pressure action is in inner sliding sleeve 2 on annular transition face 4, when pressure is elevated to a certain degree (as 2MPA ~ 3MPA), inner sliding sleeve 2 starts slide downward, and the first through hole 5 and the second through hole 6 dock one by one, and form runner, complete the unlatching of this sliding sleeve switch.Otherwise after pressure is laid down, inner sliding sleeve 2 starts upward sliding, the first through hole 5 is not communicated with the second through hole 6, then the closedown of this sliding sleeve switch.
This layering is injected sliding sleeve switch and is not limited by packer setting in use, and sliding sleeve switch realizes sliding sleeve opening and closing by tubing pressure are injected in this layering, and after the measure of injection fluid completes, can realize pit shaft full-bore, without the need to boring mill, operating cost is low; After formation water output, can realize closing, meet the requirement that layering is injected.Accurately can be controlled the Kai Heguan on required stratum by pressure size when more than three switches use simultaneously simultaneously.In layering injection technology technology implementation process, this switch application is flexible, simple to operate, facilitates execute-in-place, has a good application prospect.
The above; be only specific embodiment of the utility model, the scope of utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.

Claims (10)

1. sliding sleeve switch is injected in a layering, it is characterized in that, the inner sliding sleeve (2) comprising tubular in sliding sleeve switch is injected in described layering, the axis of inner sliding sleeve (2) is vertically arranged, the top connection (1) of tubular is arranged with outside the upper end of inner sliding sleeve (2), the lower contact (9) of tubular is arranged with outside the lower end of inner sliding sleeve (2), the first through hole (5) is provided with in the sidewall of inner sliding sleeve (2), the second through hole (6) is provided with in the sidewall of lower contact (9), inner sliding sleeve (2) can under the effect of fluid pressure slide downward, described layering injection sliding sleeve switch also comprises the elastomeric element for making inner sliding sleeve (2) reset, when inner sliding sleeve (2) slides into enable possition, first through hole (5) is communicated with the second through hole (6).
2. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, inner sliding sleeve (2) can vertically slide relative to top connection (1), the external diameter of inner sliding sleeve (2) equals the internal diameter of top connection (1), is provided with internal thread in the upper end of top connection (1).
3. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, the inwall of inner sliding sleeve (2) is provided with the first internal diameter section (21), the second internal diameter section (22) and the 3rd internal diameter section (23) that connect successively from the top down, the internal diameter of the second internal diameter section (22) is less than the internal diameter of the 3rd internal diameter section (23), and the internal diameter of the 3rd internal diameter section (23) is less than the internal diameter of the first internal diameter section (21).
4. sliding sleeve switch is injected in layering according to claim 3, it is characterized in that, the outer wall of inner sliding sleeve (2) is provided with the first external diameter section (24) and the second external diameter section (25) that connect successively from the top down, and the external diameter of the second external diameter section (25) is greater than the external diameter of the first external diameter section (24).
5. sliding sleeve switch is injected in layering according to claim 4, it is characterized in that, in the vertical direction, outer ring transition face (3) between first external diameter section (24) and the second external diameter section (25) is positioned at the second internal diameter section (22), one end of first through hole (5) is positioned at the second internal diameter section (22), and the other end of the first through hole (5) is positioned at the second external diameter section (25).
6. sliding sleeve switch is injected in layering according to claim 5, it is characterized in that, inner sliding sleeve (2) can vertically slide relative to lower contact (9), the external diameter of the second external diameter section (25) of inner sliding sleeve (2) equals the internal diameter of lower contact (9), the upper end of lower contact (9) is provided with ring-shaped step (8), the internal diameter of ring-shaped step (8) is less than the external diameter of the second external diameter section (25), and ring-shaped step (8) is positioned at the top of described outer ring transition face (4).
7. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, the diameter of the first through hole (5) is the half of the second through hole (6) diameter, be uniformly distributed circumferentially multiple first through hole (5) in the sidewall of inner sliding sleeve (2), be provided with in the sidewall of lower contact (9) and the first through hole (5) the second through hole (6) one to one.
8. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, is provided with sealing ring between inner sliding sleeve (2) and top connection (1), be also provided with sealing ring between inner sliding sleeve (2) and lower contact (9).
9. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, being provided with the first male-female structure for preventing inner sliding sleeve (2) from rotating relative to the circumference of lower contact (9) between inner sliding sleeve (2) and lower contact (9), between inner sliding sleeve (2) and top connection (1), being provided with the second male-female structure for preventing inner sliding sleeve (2) from rotating relative to the circumference of top connection (1).
10. sliding sleeve switch is injected in layering according to claim 1, it is characterized in that, this elastomeric element is spring (7), spring (7) is set in inner sliding sleeve (2) outward, spring (7) is positioned between top connection (1) and lower contact (9), the middle part of spring (7) or top are welded with inner sliding sleeve (2), and the lower end of spring (7) is welded with lower contact (9).
CN201520221639.2U 2015-04-14 2015-04-14 Sliding sleeve switch is injected in a kind of layering Expired - Fee Related CN204627544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520221639.2U CN204627544U (en) 2015-04-14 2015-04-14 Sliding sleeve switch is injected in a kind of layering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520221639.2U CN204627544U (en) 2015-04-14 2015-04-14 Sliding sleeve switch is injected in a kind of layering

Publications (1)

Publication Number Publication Date
CN204627544U true CN204627544U (en) 2015-09-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111119793A (en) * 2018-10-31 2020-05-08 中国石油化工股份有限公司 Water-gas alternative injection pipe column and operation method
CN113898315A (en) * 2021-12-08 2022-01-07 西安维克特睿油气技术有限公司 Unlimited-level switchable full-bore sliding sleeve assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111119793A (en) * 2018-10-31 2020-05-08 中国石油化工股份有限公司 Water-gas alternative injection pipe column and operation method
CN111119793B (en) * 2018-10-31 2022-03-11 中国石油化工股份有限公司 Water-gas alternative injection pipe column and operation method
CN113898315A (en) * 2021-12-08 2022-01-07 西安维克特睿油气技术有限公司 Unlimited-level switchable full-bore sliding sleeve assembly
CN113898315B (en) * 2021-12-08 2022-03-01 西安维克特睿油气技术有限公司 Unlimited-level switchable full-bore sliding sleeve assembly

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150909