CN206617135U - A kind of drilling-free sizing hook-up for cementing - Google Patents
A kind of drilling-free sizing hook-up for cementing Download PDFInfo
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- CN206617135U CN206617135U CN201720320857.0U CN201720320857U CN206617135U CN 206617135 U CN206617135 U CN 206617135U CN 201720320857 U CN201720320857 U CN 201720320857U CN 206617135 U CN206617135 U CN 206617135U
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- Prior art keywords
- sliding sleeve
- sleeve
- plug
- drilling
- hole
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Abstract
A kind of drilling-free sizing hook-up for cementing, including sleeve body, opening sleeve, first sliding sleeve, first lateral waterflood mud hole, roof platform set, sealing-plug and stop collar, the opening sleeve is fixedly installed on the top of the sleeve body, what first sliding sleeve can be moved is fixedly installed on the inwall of the sleeve body, first sliding sleeve also includes the second sliding sleeve and elastic cucurbit plug, second sliding sleeve is fixedly connected on first sliding sleeve by elastic cucurbit plug, what second sliding sleeve can be moved is fixedly installed on the inwall of the sleeve body, the roof platform set sealing is fixedly installed on the inwall of second sliding sleeve, the first lateral waterflood mud hole is the through hole in the sleeve body, the sealing-plug can be stressed to be coordinated with roof platform set sealing, the stop collar is fixedly installed on the bottom of the sleeve body inwall, the stop collar can block the second sliding sleeve.
Description
Technical field
The utility model belongs to cementing equipment facility technology field, and in particular to a kind of drilling-free sizing hook-up for cementing.
Background technology
Well cementation is to be drilled an indispensable important step during well operations, and it includes setting of casing and cementing.Gu
The effect of well cementing job is the annular space sealing by sleeve pipe and the borehole wall, to insulate oil-gas-water layer, turns into sleeve pipe
The passage that oil gas leads in well.At present, stage-cementing equipment is commonly used in cementing job.
For example, the patent document that Chinese invention patent application number is 201310224939.1, which discloses a kind of fluid pressure type, exempts from brill
Stage cementing device, including：The box cupling that upper end is connected with first sleeve；The lower end connection of inner sleeve, its upper end and box cupling, middle part is set
There is circulation port, the lower end of inner sleeve is provided with snap-fit arrangements；Shell, is socketed in the outer surface of inner sleeve, with inner sleeve through opening shear pin
Connection, is provided with position limiting structure between shell and inner sleeve, the position limiting structure is configured so that shell is only when cutting opening shear pin
It can be moved up with respect to inner sleeve and expose circulation port；Lower end connects the joint of the second sleeve pipe, and it is located at the lower section of shell and socket
In the outer surface of inner sleeve, the joint is connected with inner sleeve through closing shear pin；The inner surface of the joint is provided with least two screens；
The screens and snap-fit arrangements, which coordinate, realizes the moving axially relative of inner sleeve and joint.The stage cementing device scope of application
Wider, structure is relatively simple, is bored without lower drilling tool after completion and removes internal unnecessary annex.
Fluid pressure type of the prior art, which exempts from brill stage cementing device, can only realize 2 grades of cementings.
Utility model content
The utility model provides a kind of drilling-free sizing hook-up for cementing, and the stage-cementing equipment being capable of multiple fractionation
Inject cement.
A kind of drilling-free sizing hook-up for cementing, including sleeve body, opening sleeve, the first sliding sleeve, the first lateral waterflood mud
Hole, roof platform set, sealing-plug and stop collar, the opening sleeve are fixedly installed on the top of the sleeve body, the formation of its inwall
It is open as cement inlet, its outer wall is fixedly installed on the inwall of the sleeve body, what first sliding sleeve can be moved
On the inwall for being fixedly installed on the sleeve body, first sliding sleeve also includes the second sliding sleeve and elastic cucurbit plug, and described the
Two sliding sleeves are fixedly connected on first sliding sleeve by elastic cucurbit plug, and what second sliding sleeve can be moved is fixedly installed on institute
State on the inwall of sleeve body, the roof platform set sealing is fixedly installed on the inwall of second sliding sleeve, and positioned at elastic calabash
Under Lu Sai, the first lateral waterflood mud hole is the through hole in the sleeve body, and it is located proximate to the elastic cucurbit plug
And under the elastic cucurbit plug, the sealing-plug can be stressed to be coordinated with roof platform set sealing, the stop collar
With the bottom for being arranged on the sleeve body inwall surely, the stop collar can block the second sliding sleeve, and its set location can make
During the second sliding sleeve slides downwards to stop collar, the first lateral waterflood mud hole is opened completely.
Further, the opening sleeve is threadably secured the top for being arranged on the sleeve body.
Further, the bottom of first sliding sleeve also includes the first hardy hole, and the top of second sliding sleeve also includes
There is the second hardy hole, the elastic cucurbit plug is fixedly installed in the first hardy hole and the second hardy hole.
Further, the elastic cucurbit plug sets 6-8, and the elastic cucurbit plug uniform array is arranged on described first
On the end face of the bottom of sliding sleeve.
Further, the drilling-free sizing hook-up for cementing also includes being fixedly installed on the inwall of the sleeve body
Jack, the first sliding sleeve perforate being arranged on the first sliding sleeve and the second lateral waterflood mud hole being arranged in sleeve body,
First sliding sleeve can be pushed into the position that the first sliding sleeve perforate and the second lateral waterflood mud hole are overlapped by the jack.
Further, the second lateral waterflood mud hole also includes slag trap.
Further, the second lateral waterflood mud hole offers 4, the second lateral waterflood mud hole uniform array point
Cloth is in the sleeve body.
Further, the push rod of the jack is annular push rod, and the annular push rod is matched with the first sliding sleeve top
The end face at end.
Further, the first sliding sleeve perforate and the second lateral waterflood mud hole open up quantity and to open up orientation equal
It is identical.
Compared with prior art, superior effect of the present utility model is：
Drilling-free sizing hook-up for cementing described in the utility model, by being equipped with sleeve body, opening sleeve, first
Sliding sleeve, the first lateral waterflood mud hole, roof platform set, sealing-plug and stop collar, make the drilling-free sizing hook-up for cementing structure letter
Single system is stable；By being equipped with jack, the first sliding sleeve perforate and the second lateral waterflood mud hole, make the drilling-free sizing
Hook-up for cementing realizes that third level cement injects.
Brief description of the drawings
Fig. 1 is the schematic diagram of drilling-free sizing hook-up for cementing described in the utility model；
Fig. 2 is the schematic diagram of elastic cucurbit plug described in the utility model, the first hardy hole and the second hardy hole.
Reference is as follows：
1- sleeve bodies, 2- opening sleeves, 21- cement inlet, the sliding sleeves of 3- first, the sliding sleeves of 31- second, the cucurbits of 311- second
Hole, the elastic cucurbit plugs of 32-, the hardy holes of 33- first, the perforate of the first sliding sleeves of 34-, 4- the second lateral waterflood mud hole, 41- slag traps,
5- roof platform set, 6- sealing-plugs, 7- stop collars, 8- jack, 9- the first lateral waterflood mud hole.
Embodiment
The utility model embodiment is described in further detail below.
As shown in accompanying drawing 1-2, a kind of drilling-free sizing hook-up for cementing, including sleeve body 1, opening sleeve 2, the first sliding sleeve
3rd, the first lateral waterflood mud hole 9, roof platform set 5, sealing-plug 6 and stop collar 7, the opening sleeve 2 are fixedly installed on the sleeve sheet
The top of body 1, the opening of its inwall formation is cement inlet 21, and its outer wall is fixedly installed on the inwall of the sleeve body 1
On, what first sliding sleeve 3 can be moved is fixedly installed on the inwall of the sleeve body 1, and first sliding sleeve 3 also includes
Second sliding sleeve 31 and elastic cucurbit plug 32, second sliding sleeve 31 is fixedly connected on first sliding sleeve by elastic cucurbit plug 32
3, what second sliding sleeve 31 can be moved is fixedly installed on the inwall of the sleeve body 1, and the sealing of roof platform set 5 is fixed
On the inwall for being arranged on second sliding sleeve 31, and under elastic cucurbit plug 32, the first lateral waterflood mud hole 9 is institute
The through hole in sleeve body 1 is stated, it is located proximate to the elastic cucurbit plug 32 and under the elastic cucurbit plug 32, described
Sealing-plug 6 can be stressed to be coordinated with the sealing of roof platform set 5, and the stop collar 7 is fixedly installed on the inwall of sleeve body 1
Bottom, the stop collar 7 can block the second sliding sleeve 31, and its set location can make the second sliding sleeve 31 be snapped down to stop collar 7
When, the first lateral waterflood mud hole 9 is opened completely.
The opening sleeve 2 is threadably secured the top for being arranged on the sleeve body 1.
The bottom of first sliding sleeve 3 also includes the first hardy hole 33, and the top of second sliding sleeve 31 also includes the
Two hardy holes 311, the elastic cucurbit plug 32 is fixedly installed in the first hardy hole 33 and the second hardy hole 311.
The elastic cucurbit plug 32 sets 6-8, and the elastic uniform array of cucurbit plug 32 is arranged on first sliding sleeve 3
Bottom end face on.
The drilling-free sizing hook-up for cementing also includes the jack being fixedly installed on the inwall of the sleeve body 1
8th, the first sliding sleeve perforate 34 being arranged on the first sliding sleeve 3 and the second lateral waterflood mud hole 4 being arranged in sleeve body 1, institute
First sliding sleeve 3 can be pushed into the position that first sliding sleeve perforate 34 and the second lateral waterflood mud hole 4 are overlapped by stating jack 8.
The second lateral waterflood mud hole 4 also includes slag trap 41.
The second lateral waterflood mud hole 4 offers 4, and the uniform array of the second lateral waterflood mud hole 4 is distributed in institute
State in sleeve body 1.
The push rod of the jack 8 is annular push rod, and the annular push rod is matched with the end on the top of the first sliding sleeve 3
Face.
The first sliding sleeve perforate 34 and the second lateral waterflood mud hole 4 open up quantity and open up orientation all same.
The use process of drilling-free sizing hook-up for cementing described in the utility model is as follows：First order cementing, along water
Mud inlet 21 injects cement, and cement is flowed under sleeve body 1；Second level cementing, by the first sliding sleeve of tripping in 3 of sealing-plug 6
In the second sliding sleeve 31, pressurizeed in sleeve, the sealing of sealing-plug 6 is matched with roof platform set 5, intensified pressure, the elastic stress of cucurbit plug 32
Shrink, the second sliding sleeve 31 departs from the first sliding sleeve 3, the first lateral waterflood mud hole 9 is spilt completely, cement is from the first lateral waterflood mud
Irrigated in hole 9；Third level cementing, starts jack 8, the first sliding sleeve 3 is pushed into make the first sliding sleeve perforate 34 and second lateral
The position that cementing hole 4 is overlapped, cement is irrigated from the second lateral waterflood mud hole 4.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replace each fall within protection domain of the present utility model.
Claims (9)
1. a kind of drilling-free sizing hook-up for cementing, including sleeve body, opening sleeve, the first sliding sleeve, the first lateral waterflood mud hole,
Roof platform set, sealing-plug and stop collar, the opening sleeve are fixedly installed on the top of the sleeve body, the opening of its inwall formation
For cement inlet, its outer wall is fixedly installed on the inwall of the sleeve body, the fixation that first sliding sleeve can be moved
On the inwall for being arranged on the sleeve body, it is characterised in that first sliding sleeve also includes the second sliding sleeve and elastic cucurbit plug,
Second sliding sleeve is fixedly connected on first sliding sleeve by elastic cucurbit plug, and the fixation that second sliding sleeve can be moved is set
Put on the inwall of the sleeve body, the roof platform set sealing is fixedly installed on the inwall of second sliding sleeve, and is located at
Under elastic cucurbit plug, the first lateral waterflood mud hole is the through hole in the sleeve body, and it is located proximate to the elasticity
Cucurbit plug is simultaneously located under the elastic cucurbit plug, and the sealing-plug can be stressed and roof platform set sealing coordinates, described
Stop collar is fixedly installed on the bottom of the sleeve body inwall, and the stop collar can block the second sliding sleeve, its set location
When can make the second sliding sleeve slides downwards to stop collar, the first lateral waterflood mud hole is opened completely.
2. drilling-free sizing hook-up for cementing according to claim 1, it is characterised in that the opening sleeve is solid by screw thread
Surely it is arranged on the top of the sleeve body.
3. drilling-free sizing hook-up for cementing according to claim 1, it is characterised in that the bottom of first sliding sleeve is also
Including the first hardy hole, the top of second sliding sleeve also includes the second hardy hole, and the elastic cucurbit plug is fixedly installed on
In first hardy hole and the second hardy hole.
4. drilling-free sizing hook-up for cementing according to claim 3, it is characterised in that the elastic cucurbit plug sets 6-
8, the elastic cucurbit plug uniform array is arranged on the end face of the bottom of first sliding sleeve.
5. drilling-free sizing hook-up for cementing according to claim 1, it is characterised in that the drilling-free sizing cementing
Device is also opened including the jack being fixedly installed on the inwall of the sleeve body, the first sliding sleeve being arranged on the first sliding sleeve
First sliding sleeve can be pushed into the first cunning by hole and the second lateral waterflood mud hole being arranged in sleeve body, the jack
Cover the position that perforate and the second lateral waterflood mud hole are overlapped.
6. drilling-free sizing hook-up for cementing according to claim 5, it is characterised in that the second lateral waterflood mud hole
Also include slag trap.
7. drilling-free sizing hook-up for cementing according to claim 5, it is characterised in that the second lateral waterflood mud hole
4 are offered, the second lateral waterflood mud hole uniform array is distributed in the sleeve body.
8. drilling-free sizing hook-up for cementing according to claim 5, it is characterised in that the push rod of the jack is ring
Shape push rod, the annular push rod is matched with the end face on the first sliding sleeve top.
9. drilling-free sizing hook-up for cementing according to claim 5, it is characterised in that the first sliding sleeve perforate and institute
State opening up for the second lateral waterflood mud hole and quantity and open up orientation all same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320857.0U CN206617135U (en) | 2017-03-29 | 2017-03-29 | A kind of drilling-free sizing hook-up for cementing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320857.0U CN206617135U (en) | 2017-03-29 | 2017-03-29 | A kind of drilling-free sizing hook-up for cementing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617135U true CN206617135U (en) | 2017-11-07 |
Family
ID=60234576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720320857.0U Expired - Fee Related CN206617135U (en) | 2017-03-29 | 2017-03-29 | A kind of drilling-free sizing hook-up for cementing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982530A (en) * | 2021-12-23 | 2022-01-28 | 纬达石油装备有限公司 | Drilling-plug-free stage cementing device and using method thereof |
-
2017
- 2017-03-29 CN CN201720320857.0U patent/CN206617135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982530A (en) * | 2021-12-23 | 2022-01-28 | 纬达石油装备有限公司 | Drilling-plug-free stage cementing device and using method thereof |
| CN113982530B (en) * | 2021-12-23 | 2022-03-04 | 纬达石油装备有限公司 | Drilling-plug-free stage cementing device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171107 Termination date: 20180329 |