CN205823256U - A kind of jack catchs type locking sliding sleeve - Google Patents
A kind of jack catchs type locking sliding sleeve Download PDFInfo
- Publication number
- CN205823256U CN205823256U CN201620547900.2U CN201620547900U CN205823256U CN 205823256 U CN205823256 U CN 205823256U CN 201620547900 U CN201620547900 U CN 201620547900U CN 205823256 U CN205823256 U CN 205823256U
- Authority
- CN
- China
- Prior art keywords
- lock ring
- sliding sleeve
- ring head
- sliding jaw
- jack catchs
- 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
Links
Abstract
A kind of jack catchs type locking sliding sleeve, including top connection, top connection right-hand member connects upper shed lock ring, and upper shed lock ring right-hand member connects upper lock ring head, and upper lock ring head is connected with sliding jaw left end, and sliding jaw right-hand member connects lower lock ring head；Then it is sequentially connected with under shed lock ring and lower contact by lower lock ring head；It is enclosed with sliding sleeve outside upper lock ring head, sliding jaw and lower lock ring head；During work, continuous pipe is utilized supporting claw switching tools G.I.H sliding sleeve installation site, the claw projection of jack catchs type switching tools to be contacted with the upper lock ring head of sliding jaw；Claw switching tools descending drive sliding jaw moves down, and after sliding jaw moves into place, lower slide pawl embeds under shed lock ring；After pressure break completes, jack catchs type switching tools is internal with sliding sleeve to be departed from, and the claw projection of jack catchs type switching tools drives sliding jaw to move up, until the upper lock ring head connecting top sliding jaw snaps in upper shed lock ring；This utility model has simple in construction, feature easy for installation.
Description
Technical field
This utility model relates to oil-gas mining, is specifically related to a kind of jack catchs type locking sliding sleeve.
Background technology
Horizontal well multistage sliding sleeve staged fracturing technology uses prefabricated tubing string to construct, enter down, the side of continuous pitching operation
Formula completion, has easy construction, reliability height and saves the advantages such as engineering time, is widely used in shale gas and hyposmosis is produced
Layer directional well, horizontal well fracturing reform in.But, along with the popularization and application of this technology, its follow-up reservoir reconstruction difficulty
Drawback also comes out, and is i.e. limited by sliding sleeve tees at different levels in tubing string, when Oil/gas Well payzone water outlet, it is impossible under enter instrument and enter
Row water-blocking operation, also cannot carry out repeatability transformation simultaneously to reservoir, limits the maximization exploitation of reservoir.According to tool construction
With the difference of construction technology, fracturing sliding bush can be divided into pitching opening type sliding sleeve and the big class of hydraulic open formula sliding sleeve two.
Ball-throwing type fracturing sliding bush combines the feature of bore hole staged fracturing ball-throwing type sliding sleeve, has without repeatedly playing down tube
The advantages such as post, short construction period, difficulty of construction are relatively low, but owing to building the pressure ball and ball seat exists size limitation, so can not realize
Stepless differential pressure is split.Sliding sleeve tee is descending unfolding mode, plug by time exist and open the risk of sliding sleeve in advance.Additionally, due to
Ball seat internal diameter is less than casing inner diameter, and in cement mortar displacement process, when plug is by ball seat, the deformation of glue bowl is relatively big, easily causes
Plug damages, and impact replaces effect, and locates easy residual water mud below ball seat, and then affects the opening performance of sliding sleeve.
Fluid pressure type fracturing sliding bush pressure break progression is unrestricted, but it is more to there is continuous pipe pipe series winding bonding tool, construction complexity,
And sliding sleeve the problem such as can not close, additionally, the setting position of packer to be accurately positioned by sliding sleeve, error must be less than 1m.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of jack catchs type locking sliding
Set, it is intended to solve to open in horizontal well routine fracturing sliding bush operation process by mistake, seal the problem of easily inefficacy, overcomes conventional oil continuously
Need pinpoint shortcoming during pipe racks switching tools pressure break, there is simple in construction, service life length feature.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of jack catchs type locking sliding sleeve, including top connection 1, top connection 1 right-hand member connects upper shed lock ring 2, and upper shed is locked
Ring 2 right-hand member connects upper lock ring head 3, and upper lock ring head 3 is connected with sliding jaw 4 left end, and sliding jaw 4 right-hand member connects lower lock ring head 5；Lower lock
Ring head 5 is sequentially connected with under shed lock ring 6 and lower contact 7；Described upper lock ring head 3, sliding jaw 4 wrap up outside lower lock ring head 5
There is sliding sleeve 8；
It is enclosed with sealing drum outside described sliding sleeve 8.
Described upper shed lock ring 2 has flexibility with under shed lock ring 6.
Internal channel 11, described internal channel 11 and sliding jaw 4 two ends are had on described upper lock ring head 3 and lower lock ring head 5
Claw in mating connection.
Described sliding jaw about 4 two ends are respectively mounted claw 12.
Described upper shed lock ring 2 is cambridge ring with under shed lock ring 6.
The beneficial effects of the utility model:
The opening lock ring that this utility model utilizes is one of conventional flexible parts of mechanical industry, under the effect of external force
Elastic deformation can occur, after cancelling external force, original state can be returned to again.By hatch lock ring design wedgewise ring, it is simple to slide
Pawl 4 connects tapered end ring and embeds opening lock ring, it is achieved double locking.
This utility model has simple in construction, feature easy for installation.
Accompanying drawing explanation
Fig. 1 is structure cross-sectional schematic of the present utility model.
Fig. 2 is the structural representation of jack catchs type instrument.
Fig. 3 is the cooperation scheme of installation of opening lock ring, lock ring head and sliding jaw.
Fig. 4 is the side view of opening lock ring.
Fig. 5 is the axonometric chart of opening lock ring.
Fig. 6 is the structural representation of sliding jaw.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
As shown in Figure 1: a kind of jack catchs type locking sliding sleeve, during work, utilize continuous pipe by supporting claw switching tools 9
G.I.H sliding sleeve 8 installation site, is circulated by well head turn on pump, and instrument produces chock pressure difference, the claw of jack catchs type switching tools 9
Protruding 10 contact with the upper lock ring head 3 of sliding jaw 4；Jack catchs type switching tools 9 descending drive sliding jaw 4 moves down, sliding jaw 4
After moving into place, lower slide pawl 4 embeds under shed lock ring 6.Now the sealing ring on sliding jaw 4 is respectively positioned under pressure break hole
Face, it is ensured that fully opening and fracturing work afterwards of pressure break hole.After pressure break completes, termination of pumping, jack catchs type switching tools 9 and sliding sleeve
8 internal depart from, and above put forward service tube-column, the claw projection 10 of jack catchs type switching tools 9 by upper lock ring head 3 drive sliding jaw 4 to
Upper movement, top sliding jaw 4 snaps in the internal channel 11 of lock ring head 3.Ensure that sliding sleeve 8 has certain coupling mechanism force, simultaneously after closing
The pressure break hole of sliding sleeve 8 is between two groups of O-ring seals, it is achieved effectively closing and sealing of sliding sleeve 8.
Fig. 3 is sliding jaw 4 and the combination of lock ring head, is provided with internal channel 11 inside lock ring head, makes sliding jaw 4 slip into internal channel
11, it is achieved lock ring head is tight with a relocking of sliding jaw.Sliding jaw number has 12, and its material therefor is 40CrMnMo, to ensure
Its intensity.
Fig. 4 is the opening lock ring realizing locking function.Opening lock ring is one of conventional flexible parts of mechanical industry,
Elastic deformation can occur under the effect of external force, after cancelling external force, original state can be returned to again.Hatch lock ring design is become wedge
Shape ring, it is simple to sliding jaw 4 connects tapered end ring and embeds opening lock ring, it is achieved double locking.Coiled tubing pressurizes, claw switching tools
The shoulder of executing of 9 contacts with the driving shoulder of sliding jaw 4.Claw switching tools 9 descending drive sliding jaw 4 moves down, and slides
After pawl 4 moves into place, lower slide pawl 4 embeds under shed lock ring 6.Now the sealing ring on sliding jaw 4 is respectively positioned on pressure break hole
Below, it is ensured that fully opening and fracturing work afterwards of pressure break hole.It is finally reached the purpose opening sliding sleeve；There is structure letter
Single, feature easy for installation.
Operation principle of the present utility model:
During work, continuous pipe is utilized supporting claw switching tools 9 G.I.H sliding sleeve installation site, jack catchs type to be switched
The claw of instrument 9 protruding 10 contacts with the upper lock ring head 3 of sliding jaw 4.Claw switching tools 9 descending drive sliding jaw 4 is to moving down
Dynamic, after sliding jaw 4 moves into place, lower slide pawl 4 embeds under shed lock ring 6.After pressure break completes, termination of pumping, jack catchs type switchs
Instrument 9 is internal with sliding sleeve 8 to be departed from, and above puies forward service tube-column, and the claw of jack catchs type switching tools 9 protruding 10 drives sliding jaw 4 upwards
Mobile, until the upper lock ring head 3 connecting top sliding jaw 4 snaps in upper shed lock ring 2, it is ensured that sliding sleeve 8 has certain lock after closing
Clamp force.
Claims (6)
1. a jack catchs type locking sliding sleeve, including top connection (1), top connection (1) right-hand member connects upper shed lock ring (2), above opens
Mouth lock ring (2) right-hand member connects upper lock ring head (3), and upper lock ring head (3) is connected with sliding jaw (4) left end, and sliding jaw (4) right-hand member connects
Lower lock ring head (5)；Lower lock ring head (5) is sequentially connected with under shed lock ring (6) and lower contact (7)；Described upper lock ring head (3), sliding
Pawl (4) is enclosed with sliding sleeve (8) with lower lock ring head (5) outside.
A kind of jack catchs type locking sliding sleeve the most according to claim 1, it is characterised in that described sliding sleeve (8) outside bag
It is wrapped with sealing drum.
A kind of jack catchs type locking sliding sleeve the most according to claim 1, it is characterised in that described upper shed lock ring (2)
With under shed lock ring (6), there is flexibility.
A kind of jack catchs type locking sliding sleeve the most according to claim 1, it is characterised in that described upper lock ring head (3) with
Having internal channel (11) on lower lock ring head (5), described internal channel (11) is in mating connection with the claw at sliding jaw (4) two ends.
A kind of jack catchs type locking sliding sleeve the most according to claim 1, it is characterised in that described sliding jaw (4) left and right
Two ends are respectively mounted claw 12.
A kind of jack catchs type locking sliding sleeve the most according to claim 1, it is characterised in that described upper shed lock ring (2)
It is cambridge ring with under shed lock ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547900.2U CN205823256U (en) | 2016-06-07 | 2016-06-07 | A kind of jack catchs type locking sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547900.2U CN205823256U (en) | 2016-06-07 | 2016-06-07 | A kind of jack catchs type locking sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205823256U true CN205823256U (en) | 2016-12-21 |
Family
ID=57568339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620547900.2U Expired - Fee Related CN205823256U (en) | 2016-06-07 | 2016-06-07 | A kind of jack catchs type locking sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205823256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909227A (en) * | 2016-06-07 | 2016-08-31 | 西安石油大学 | Clamping-jaw-type double-locking sliding sleeve device |
-
2016
- 2016-06-07 CN CN201620547900.2U patent/CN205823256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909227A (en) * | 2016-06-07 | 2016-08-31 | 西安石油大学 | Clamping-jaw-type double-locking sliding sleeve device |
| CN105909227B (en) * | 2016-06-07 | 2018-12-04 | 西安石油大学 | A kind of jack catchs type locking sliding bush apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |