CN203008857U - Sliding sleeve switching tool - Google Patents
Sliding sleeve switching tool Download PDFInfo
- Publication number
- CN203008857U CN203008857U CN 201220683285 CN201220683285U CN203008857U CN 203008857 U CN203008857 U CN 203008857U CN 201220683285 CN201220683285 CN 201220683285 CN 201220683285 U CN201220683285 U CN 201220683285U CN 203008857 U CN203008857 U CN 203008857U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- claw
- top connection
- switch instrument
- sleeve switch
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a sliding sleeve switching tool, and belongs to oil exploitation well sand prevention tools. The sliding sleeve switching tool comprises an upper connector and a lower connector, wherein the upper connector and the lower connector are tightly connected. The upper connector is provided with an upper connector end portion and an upper connector extending portion which is connected with the upper connector end portion and extends towards the lower connector along the axial direction. A clamp claw is connected with the outer side of the upper connector extending portion through a spring. The upper end face of the clamp claw is connected with the upper connector end portion. The lower end face of the clamp claw is connected with the lower connector. A shear pin is fixedly connected with the upper connector extending portion. The shear pin is connected with the lower end face of the clamp claw. The sliding sleeve switching tool has the advantages of being simple in structure, convenient to operate, obvious in effect, remarkable in function, and the like.
Description
Technical field
The utility model relates to oil exploitation well sand preventing tool, particularly a kind of sliding sleeve switch instrument of single multilayer gravel pack instrument.
Background technology
Crude oil flows into the process of pit shaft from the stratum, can carry some sand grains and enter pit shaft.For preventing sand production, on the one hand will be for oil reservoir and oil well condition, selecting properly well cementation, completion mode are formulated rational exploitation measure, raise the management level; On the other hand, adopt corresponding anti-sand method according to oil reservoir, oil well and the concrete condition of shaking out.Present anti-sand method mainly contains the methods such as mechanical technology sand control, chemical sand control, the outer inflatable packer sand control of sleeve pipe, gravel filling sand prevention.
In existing gravel pack methods, the individual layer sand control is carried out in general employing, successively the mode of sand control is carried out multiple gravel pack, and field operation need to repeatedly be lowered to instrument, duty cycle is long, and operator's labour intensity is large, and sand control treatment speed is slow simultaneously, big energy-consuming, the high in cost of production problem.
At present, the claw of sliding sleeve switch instrument may break down at running, causes claw not reclaim, thereby affects the disconnection of sliding sleeve switch instrument and sliding sleeve switch, to such an extent as to the sliding sleeve cisco unity malfunction.
Summary of the invention
The purpose of this utility model is to provide a kind of Novel sliding sleeve switching tools, can prevent that the claw of sliding sleeve switch instrument from breaking down at running, can guarantee that single multilayer gravel pack instrument normally moves.
the utility model provide a kind of sliding sleeve switch instrument, it comprises top connection and the lower contact that closely is connected, its special feature is: described top connection is provided with top connection end and the top connection extension that is connected and in axial direction extends to lower contact with described top connection end, the described top connection extension outside is connected with claw by spring, described claw upper surface is connected with described top connection end, described claw lower surface is connected with described lower contact, described top connection extension is fixedly connected with shear pin, described shear pin is connected with described claw lower surface.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: described shear pin is fixedly connected with shearing ring, and described shearing ring is fixedly connected on described claw lower surface.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: described top connection end is fixedly connected with interstage sleeve, and described interstage sleeve is between described top connection end and described claw upper surface.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: described claw is the two-way claw that is provided with upper shoulder and lower shoulder.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: described claw is the unidirectional claw that is provided with lower shoulder.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: at least two of described claws evenly arrange on sliding sleeve switch instrument circumferencial direction.
In order further to improve prior art, the special feature of sliding sleeve switch instrument of the present utility model also is: described spring is the cylindrical screw stage clip.
Sliding sleeve switch instrument of the present utility model adopts described top connection extension to be fixedly connected with shear pin, and shear pin is in matching with claw lower surface or the shearing ring that is fixedly connected on the claw lower surface.If claw breaks down when regaining, cross and carry service aid and by sliding sleeve switch instrument claw lower surface or shearing ring, shear pin is cut off, claw lower surface or shearing ring move down, claw is pushed by lower contact, the claw Compress Spring, spring contraction, thus guarantee that the sliding sleeve switch instrument trips out sliding sleeve smoothly.Therefore, sliding sleeve switch instrument of the present utility model has the advantages such as simple in structure, easy to operate, successful, function be remarkable.
This shows, compared with prior art, the utlity model has outstanding substantive distinguishing features and significant technological progress, the beneficial effect of its enforcement is also apparent.
Description of drawings
Fig. 1 is a kind of structural representation of sliding sleeve switch instrument of the present utility model.
Fig. 2 is the another kind of structural representation of the utility model.
Fig. 3 is structure shown in Figure 1 and sliding sleeve cooperating schematic diagram.
Fig. 4 is structure shown in Figure 2 and sliding sleeve cooperating schematic diagram.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Sliding sleeve switch instrument of the present utility model, it comprises top connection and the lower contact that closely is connected, top connection is provided with top connection end and the top connection extension that is connected and in axial direction extends to lower contact with the top connection end, the top connection extension outside is connected with claw by spring, the claw upper surface is connected with the top connection end, the claw lower surface is connected with lower contact, the top connection extension is fixedly connected with shear pin, shear pin is fixedly connected with shearing ring, and shearing ring is fixedly connected on described claw lower surface; The top connection end is fixedly connected with interstage sleeve, and interstage sleeve is between top connection end and claw upper surface; At least two of described claws evenly arrange on sliding sleeve switch instrument circumferencial direction; Spring is the cylindrical screw stage clip.Claw shown in Figure 1 is the two-way claw that is provided with upper shoulder and lower shoulder; Claw shown in accompanying drawing 2 is the unidirectional claw that is provided with lower shoulder.
sliding sleeve switch instrument of the present utility model is divided into two-way sliding sleeve switch instrument and unidirectional sliding sleeve switch instrument, the operating principle of two-way sliding sleeve switch instrument as shown in Figure 3, its course of work is: when closing sliding sleeve, on carry service aid, the getting out of a predicament or an embarrassing situation of two-way claw 193 on two-way sliding sleeve switch instrument 19 tangles sliding sleeve 5(and is positioned on outer tubing string) the top small stair of upper sliding sleeve switch 52, its sliding sleeve switch 52 that drives on sliding sleeve 5 is moved upward together, lock pawl on sliding sleeve switch 52 enters the positioning step on stop collar 53 at this moment, simultaneously two-way claw 193 inclined-planes, upper end on two-way sliding sleeve switch instrument 19 are subject to the extruding of sliding sleeve 5 internal position limited sleeves 53, two-way claw 193 compression cylindrical screw stage clips 194, cylindrical screw stage clip 194 shrinks, two-way claw 193 is got out of a predicament or an embarrassing situation to break away from sliding sleeve switch 52, sliding sleeve switch instrument 19 cuts out the pack hole 51 on sliding sleeve 5.
when opening sliding sleeve, transfer service aid, the topping bar of two-way claw 193 on two-way sliding sleeve switch instrument 19 tangles sliding sleeve 5(and is positioned on outer tubing string) the bottom small stair of upper sliding sleeve switch 52, its sliding sleeve switch 52 that drives on sliding sleeve 5 is moved downward together, the positioning step of filling this moment sliding sleeve 54 is with sliding sleeve switch 52 lockings, two-way claw 193 inclined-planes, lower end are subject to the extruding of sliding sleeve 5 upper seal bores 55 simultaneously, two-way claw 193 compression cylindrical screw stage clips 194, cylindrical screw stage clip 194 shrinks, the sliding sleeve switch 52 that two-way claw 193 is topped bar with sliding sleeve 5 breaks away from, two-way sliding sleeve switch instrument 19 is opened the pack hole 51 on sliding sleeve 5.
If bilateral claw 193 breaks down when regaining, cross and carry service aid and by the shearing ring 195 on two-way sliding sleeve switch instrument 19, shear pin 197 is cut off, shearing ring 195 discharges (being that shearing ring 195 moves down), two-way claw 193 is subjected to lower contact 196 extruding, two-way claw 193 compression cylindrical screw stage clips 194, cylindrical screw stage clip 194 shrinks, thereby guarantees that two-way sliding sleeve switch instrument 19 trips out sliding sleeve 5 smoothly.
the operating principle of unidirectional sliding sleeve switch instrument as shown in Figure 4, its course of work is: when closing sliding sleeve, on carry service aid, the getting out of a predicament or an embarrassing situation of unidirectional claw 183 on unidirectional sliding sleeve switch instrument 18 tangles sliding sleeve 5(and is positioned on outer tubing string) the top small stair of upper sliding sleeve switch 52, its sliding sleeve switch 52 that drives on sliding sleeve 5 is moved upward together, lock pawl on sliding sleeve switch 52 enters the positioning step on stop collar 53 at this moment, simultaneously unidirectional claw 183 inclined-planes, upper end on unidirectional sliding sleeve switch instrument 18 are subject to the extruding of sliding sleeve 5 internal position limited sleeves 53, unidirectional claw 183 compression cylindrical screw stage clips 184, cylindrical screw stage clip 184 shrinks, unidirectional claw 183 is got out of a predicament or an embarrassing situation to break away from sliding sleeve switch 52, unidirectional sliding sleeve switch instrument 18 cuts out the pack hole 51 on sliding sleeve 5,
With the leave from office terrace, so when only carrying, realize closing of sliding sleeve 5 on service aid, can not realize opening of sliding sleeve 5 because of 183 of the unidirectional claws of unidirectional sliding sleeve switch instrument 18.
If monolateral claw 183 breaks down when regaining, cross and carry service aid and by the shearing ring 185 on unidirectional sliding sleeve switch instrument 18, shear pin 187 is cut off, shearing ring 185 discharges (being that shearing ring 185 moves down), unidirectional claw 183 is subjected to lower contact 186 extruding, unidirectional claw 183 compression cylindrical screw stage clips 184, cylindrical screw stage clip 184 shrinks, thereby bonding trips out sliding sleeve 5 smoothly to sliding sleeve switch instrument 18.
Claims (8)
1. sliding sleeve switch instrument, it comprises top connection and the lower contact that closely is connected, it is characterized in that: described top connection is provided with top connection end and the top connection extension that is connected and in axial direction extends to lower contact with described top connection end, the described top connection extension outside is connected with claw by spring, described claw upper surface is connected with described top connection end, described claw lower surface is connected with described lower contact, described top connection extension is fixedly connected with shear pin, and described shear pin is connected with described claw lower surface.
2. sliding sleeve switch instrument according to claim 1, it is characterized in that: described shear pin is fixedly connected with shearing ring, and described shearing ring is fixedly connected on described claw lower surface.
3. sliding sleeve switch instrument according to claim 1 is characterized in that: described top connection end is fixedly connected with interstage sleeve, and described interstage sleeve is between described top connection end and described claw upper surface.
4. sliding sleeve switch instrument according to claim 2 is characterized in that: described top connection end is fixedly connected with interstage sleeve, and described interstage sleeve is between described top connection end and described claw upper surface.
5. the described sliding sleeve switch instrument of arbitrary claim of according to claim 1 to 4, it is characterized in that: described claw is the two-way claw that is provided with upper shoulder and lower shoulder.
6. the described sliding sleeve switch instrument of arbitrary claim of according to claim 1 to 4, it is characterized in that: described claw is the unidirectional claw that is provided with lower shoulder.
7. sliding sleeve switch instrument according to claim 5, it is characterized in that: described spring is the cylindrical screw stage clip.
8. sliding sleeve switch instrument according to claim 6, it is characterized in that: described spring is the cylindrical screw stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683285 CN203008857U (en) | 2012-12-12 | 2012-12-12 | Sliding sleeve switching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683285 CN203008857U (en) | 2012-12-12 | 2012-12-12 | Sliding sleeve switching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203008857U true CN203008857U (en) | 2013-06-19 |
Family
ID=48600464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220683285 Withdrawn - After Issue CN203008857U (en) | 2012-12-12 | 2012-12-12 | Sliding sleeve switching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203008857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966332A (en) * | 2012-12-12 | 2013-03-13 | 山东瑞丰石油技术有限责任公司 | Sliding sleeve switch tool |
| CN104632113A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | Infinite-order fracturing sand blasting sliding sleeve opening tool and operation method thereof |
| CN104727779A (en) * | 2015-03-31 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Switch tool for small-drift-diameter sliding sleeve |
-
2012
- 2012-12-12 CN CN 201220683285 patent/CN203008857U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966332A (en) * | 2012-12-12 | 2013-03-13 | 山东瑞丰石油技术有限责任公司 | Sliding sleeve switch tool |
| CN102966332B (en) * | 2012-12-12 | 2015-12-16 | 山东瑞丰石油技术有限责任公司 | A kind of sliding sleeve switch instrument |
| CN104632113A (en) * | 2013-11-15 | 2015-05-20 | 中国石油天然气股份有限公司 | Infinite-order fracturing sand blasting sliding sleeve opening tool and operation method thereof |
| CN104632113B (en) * | 2013-11-15 | 2017-08-04 | 中国石油天然气股份有限公司 | A kind of infinite stages pressure break sand blast sliding sleeve opener and its operating method |
| CN104727779A (en) * | 2015-03-31 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Switch tool for small-drift-diameter sliding sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dongying Ruifeng Petroleum Development Co., Ltd. Assignor: Shandong Ruifeng Petroleum Technology Co., Ltd. Contract record no.: 2013370000114 Denomination of utility model: Sliding sleeve switch tool Granted publication date: 20130619 License type: Exclusive License Record date: 20130517 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGYING RUIFENG PETROLEUM TECHNOLOGY DEVELOPMENT Effective date: 20140423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140423 Address after: 257091 Shandong city of Dongying Province Economic and Technological Development Zone in the state of Chu Road No. 5 Patentee after: Shandong Ruifeng Petroleum Technology Co., Ltd. Patentee after: Dongying Ruifeng Petroleum Development Co., Ltd. Patentee after: Qingdao Ruixin Petroleum Equipment Manufacturing Co., Ltd. Address before: 257091 Shandong Province, Dongying City West Bridge Road East Taishan five Patentee before: Shandong Ruifeng Petroleum Technology Co., Ltd. |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Dongying Ruifeng Petroleum Development Co., Ltd. Assignor: Shandong Ruifeng Petroleum Technology Co., Ltd. Contract record no.: 2013370000114 Date of cancellation: 20140507 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |