CN205591877U - Shutoff grout is for going into device - Google Patents
Shutoff grout is for going into device Download PDFInfo
- Publication number
- CN205591877U CN205591877U CN201620427829.4U CN201620427829U CN205591877U CN 205591877 U CN205591877 U CN 205591877U CN 201620427829 U CN201620427829 U CN 201620427829U CN 205591877 U CN205591877 U CN 205591877U
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- CN
- China
- Prior art keywords
- movable
- cement mortar
- standing valve
- valve seat
- pipe
- 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
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model provides a shutoff grout is for going into device, including last outer tube and lower outer tube, upward be equipped with an out grouting holes on the outer tube, upward be equipped with slidable activity inner tube in the outer tube, the activity is equipped with the 2nd out grouting holes with an out grouting holes matched with on the inner tube, and it is sealed at the movable valve of activity inner tube and circulation between the outer tube down that activity inner tube lower extreme is equipped with the control grout, goes up to be equipped with can the gliding shear pin of promotion activity inner tube on the outer tube, and movable valve seals up the lower extreme and is equipped with the first spring that can the movable inner tube of messenger restores to the throne. This device simple structure, convenient to use can effectively solve and have the upper portion cover in the shutoff construction of oil -water well and leak, the problem that need carry out lower part oil formation improvement.
Description
Technical field
This utility model relates generally to the note of petroleum industry and adopts auxiliary equipment, it is adaptable to the plugging construction of oil-water well
In, specifically closure cement mortar replaces into device.
Background technology
For many years, down-hole casing Years Of Service is longer in oil field development, and some oil wells sleeve pipe exists set leakage situation, for
Perforations adding, the enforcement changing the oil well measures such as layer cause difficulty.The most general employing machinery card envelope water-yielding stratum+enclosed
Tubing string produces or the method for grout off blocks leakage section, water-yielding stratum respectively.
The packer that machinery card envelope water-yielding stratum is used is affected relatively big by hole condition, reservoir temperature and pressure, causes
Effect duration is short, success rate is low to make machinery card envelope.Grout off water-yielding stratum is affected by top leakage section, need to first fill out
Section is lost in sand seal leak stopping, tests set and bores Plugging Water Zones again after plug.Leakage section concentrates on sleeve pipe free segment, closure difficulty
Degree is big, and after closure, effect duration is short, then Plugging Water Zones, causes construction complexity, causes waste of material simultaneously
And operating cost waste, it is impossible to meet the requirement of oil field cost efficiency.
Utility model content
For solving the deficiency of current technology, this utility model combines prior art, from reality application, carries
Replacing into device for one closure cement mortar, this apparatus structure is simple, easy to use, it is possible to effectively solve profit
The plugging construction of well exists top set leakage, the problem that need to carry out bottom oil layer transformation.
For achieving the above object, the technical solution of the utility model is as follows:
Closure cement mortar replaces into device, and including upper exterior tube and lower outer pipe, described upper exterior tube is provided with the first pulp
Hole, is provided with slidably movable internal pipe in described upper exterior tube, described movable internal pipe is provided with and the first slurry outlet
The second slurry outlet matched, movable internal pipe lower end is provided with control cement mortar between movable internal pipe and lower outer pipe
The movable valve of circulation seals, and upper exterior tube is provided with the shear pin that movable internal pipe can be promoted to slide, and movable valve is close
Envelope lower end is provided with the first spring that movable internal pipe can be made to reset.
Described movable valve seals and includes the movable valve seat of split, outer Place, and described movable valve seat sets
Having the first through hole for cement mortar circulation, described outer Place is arranged on above movable valve seat for unidirectional blocking
First through hole.
The tapered opening in described movable valve seat top, described outer Place is placed at tapered opening for unidirectional
Close the first through hole.
Being provided with standing valve between described upper exterior tube and lower outer pipe to seal, described standing valve seals and includes fixing
Valve seat and standing valve ball, described standing valve seat is provided with the second through hole for cement mortar circulation, described
Standing valve ball is arranged on below standing valve seat, is provided with the second spring below standing valve ball, is used for making admittedly
Determine valve ball unidirectional blocking the second through hole.
The tapered opening in described standing valve seat bag bottom, described standing valve ball is arranged at tapered opening and uses
In unidirectional blocking the second through hole.
Being additionally provided with baffle plate and sieve plate on described lower outer pipe, described baffle plate is arranged on lower outer pipe inside and is positioned at fixing
Between valve ball and the second spring, described sieve plate is arranged on lower outer pipe lower end for supporting the second spring, at gear
It is equipped with sieve aperture on plate and sieve plate.
It is provided with sealing ring between described movable internal pipe and upper exterior tube.
The beneficial effects of the utility model:
1, this utility model simple in construction, practicality, it is possible to solve top and there is the bottom oil layer closure of set blind hole
Time, need to repeatedly block or apply and intubate the problem that bridging plug can only omnidistance be clamp-oned, decrease flow chart, reduce
Production cost, decreases the labor time of workman.
2, the outer Place of this utility model realizes cement mortar and can normally replace into stratum before not throwing, and reduces difficulty of construction；
After on outer Place input activity valve seat, shear pin can be cut off open pulp passage by suppressing, it is achieved cement mortar
Clamp-on stratum.
3, after this utility model has been constructed, under the first spring promotes, inner tube closes pulp passage, and bottom is fixed
Valve seals and cannot return and tell in stratum, it is ensured that stratum not pressure release, it is ensured that construction effect.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model population structure schematic diagram.
Label shown in accompanying drawing: 1, top connection；2, shear pin；3, sealing ring；4, upper exterior tube；5, movable
Inner tube；6, outer Place；7, movable valve seat；8, the first spring；9, standing valve seat；10, fixing
Valve seat；11, baffle plate；12, the second spring；13, upper exterior tube；14, sieve plate；15, sieve aperture；16、
First slurry outlet；17, the second slurry outlet.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these are implemented
Example is merely to illustrate this utility model rather than limits scope of the present utility model.In addition, it is to be understood that readding
After having read the content that this utility model is lectured, this utility model can be made various changing by those skilled in the art
Moving or amendment, these equivalent form of values fall within the application appended claims limited range equally.
As shown in drawings, closure cement mortar replace into device, including upper exterior tube 4 and lower outer pipe 13, described upper outside
Pipe 4 is provided with the first slurry outlet 16, is provided with slidably movable internal pipe 5, described work in described upper exterior tube 4
Dynamic inner tube 5 is provided with the second slurry outlet 17 matched with the first slurry outlet 16, and movable internal pipe 5 lower end is provided with
Control the movable valve sealing that cement mortar circulates between movable internal pipe 5 and lower outer pipe 13, upper exterior tube 4 sets
The shear pin 2 that movable internal pipe 5 can be promoted to slide, movable valve sealing lower end is had to be provided with and movable internal pipe 5 can be made to reset
The first spring 8.
Upper exterior tube 4 top of the present utility model is threaded connection top connection 1, outside movable internal pipe 5 is arranged on
Pipe 4 is interior and can slide up and down in upper exterior tube 4, the second slurry outlet 17 on movable internal pipe 5 and upper exterior tube 4
On the first slurry outlet 16 can realize communicating or breaking mutually during movable internal pipe 5 slides up and down.
Movable valve of the present utility model seals the cement mortar of flowing in blocking movable internal pipe 5, movable all
You seal when opening, and cement mortar can be circulated to downwards lower outer pipe 13 by movable internal pipe 5, and movable valve seals envelope
When closing, can prevent cement mortar from being circulated downwards by movable internal pipe 5.Movable valve seals and includes as shown in Figure 1
The movable valve seat 7 of split, outer Place 6, movable valve seat 7 is provided with the first through hole for cement mortar circulation,
Outer Place 6 is arranged on above movable valve seat 7 for unidirectional blocking the first through hole；The of movable valve seat 7
The one tapered opening in through hole top, outer Place 6 is placed at tapered opening for unidirectional blocking the first through hole.
When outer Place 6 is not put in movable valve seat 7, cement mortar is flowed by movable internal pipe 5 by the first through hole
Enter in lower outer pipe 13, make outer Place 6 can close first when being seated movable valve seat 7 when putting into outer Place 6
Through hole.Movable valve seat 7 of the present utility model uses tapered opening interface, convenience to coordinate with outer Place 6,
It is the most effective that it closes mode.
Being provided with standing valve between upper exterior tube 4 of the present utility model and lower outer pipe 13 to seal, standing valve seals
Including standing valve seat 9 and standing valve ball 10, standing valve seat 9 is provided with second for cement mortar circulation
Through hole, standing valve ball 10 is arranged on below standing valve seat 9, is provided with second below standing valve ball 10
Spring 12, is used for making standing valve ball 10 unidirectional blocking the second through hole；It is tapered that standing valve seat 9 wraps bottom
Opening, standing valve ball 10 is arranged at tapered opening for unidirectional blocking the second through hole.Standing valve seals
Structure seals with movable valve and is symmetrical arranged, and its function seals with movable valve and communicates, can be at the second spring 12
Effect under prevent cement mortar from being told to upper exterior tube 4 by lower outer pipe 13 is counter.
Be additionally provided with baffle plate 11 and sieve plate 14 on this utility model lower outer pipe 13, described baffle plate 11 be arranged on lower outside
Pipe 13 is internal and between standing valve ball 10 and the second spring 12, described sieve plate 14 be arranged on lower outside
Pipe 13 lower end, for supporting the second spring 12, is equipped with sieve aperture 15 on baffle plate 11 and sieve plate 14.This reality
It is used for supporting standing valve ball 10 and connecting the second spring 12 with novel baffle plate 11, its sieve aperture 15 arranged
Circulating for cement mortar, sieve plate 14 is threadably secured the bottom being connected to lower outer pipe 13, at the other end
Supporting the second spring 12, its sieve aperture 15 arranged is used for the cement mortar that circulates.
It is provided with sealing ring 3 between movable internal pipe 5 of the present utility model and upper exterior tube 4, this practicality can be effectively increased
Novel sealing property.
This device, when specifically used, is first connected to intubate bridging plug bottom G.I.H by this utility model,
When needing to replace into cement mortar in plugging construction, cement mortar enters movable internal pipe 5, through activity by top connection 1
Valve seat 7 enters standing valve seat 9, extrudes standing valve ball 10, is clamp-oned by baffle plate 11 and sieve plate 14
Pit shaft.
Make outer Place be seated at movable valve seat 7 when putting into outer Place 6, shear pin 2 can be cut off promote alive by suppressing
Dynamic inner tube 5 is descending, when second slurry outlet 17 of 4 on first slurry outlet 16 and upper exterior tube of movable internal pipe 5
During alignment, pulp passage can be opened, it is achieved stratum clamp-oned by cement mortar.
After having constructed first spring 8 promote under movable internal pipe 5 up closedown pulp passage, bottom is fixed
Valve is sealed under the second spring 12 effect and can prevent from cement mortar stratum from returning telling.
Claims (7)
1. closure cement mortar replaces into device, including upper exterior tube (4) and lower outer pipe (13), described upper exterior tube (4)
It is provided with the first slurry outlet (16), it is characterised in that: it is slidably movable to be provided with in described upper exterior tube (4)
Inner tube (5), described movable internal pipe (5) is provided with the second slurry outlet matched with the first slurry outlet (16)
(17), movable internal pipe (5) lower end be provided with control cement mortar movable internal pipe (5) and lower outer pipe (13) it
Between circulation movable valve seal, upper exterior tube (4) is provided with the shear pin that movable internal pipe (5) can be promoted to slide
(2), movable valve seals lower end and is provided with the first spring (8) that movable internal pipe (5) can be made to reset.
2. closure cement mortar as claimed in claim 1 replaces into device, it is characterised in that: described movable valve seals
Including the movable valve seat (7) of split, outer Place (6), described movable valve seat (7) is provided with for cement
First through hole of slurry circulation, described outer Place (6) is arranged on movable valve seat (7) top for unidirectional envelope
Close the first through hole.
3. closure cement mortar as claimed in claim 2 replaces into device, it is characterised in that: described movable valve seat (7)
The first tapered opening in through hole top, described outer Place (6) is placed at tapered opening for unidirectional blocking
First through hole.
4. closure cement mortar as claimed in claim 3 replaces into device, it is characterised in that: described upper exterior tube (4)
And between lower outer pipe (13), it being provided with standing valve sealing, described standing valve seals and includes standing valve seat (9)
With standing valve ball (10), described standing valve seat (9) is provided with the second through hole for cement mortar circulation,
Described standing valve ball (10) is arranged on standing valve seat (9) lower section, and standing valve ball (10) lower section sets
There is the second spring (12), be used for making standing valve ball (10) unidirectional blocking the second through hole.
5. closure cement mortar as claimed in claim 4 replaces into device, it is characterised in that: described standing valve seat (9)
Bag bottom tapered opening, described standing valve ball (10) is arranged at tapered opening for unidirectional blocking the
Two through holes.
6. closure cement mortar as claimed in claim 5 replaces into device, it is characterised in that: described lower outer pipe (13)
On be additionally provided with baffle plate (11) and sieve plate (14), described baffle plate (11) be arranged on lower outer pipe (13) internal and
Being positioned between standing valve ball (10) and the second spring (12), described sieve plate (14) is arranged on lower outer pipe
(13) lower end is for supporting the second spring (12), is equipped with sieve aperture on baffle plate (11) and sieve plate (14)
(15)。
7. closure cement mortar as claimed in claim 1 replaces into device, it is characterised in that: described movable internal pipe (5)
And between upper exterior tube (4), it is provided with sealing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427829.4U CN205591877U (en) | 2016-05-11 | 2016-05-11 | Shutoff grout is for going into device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427829.4U CN205591877U (en) | 2016-05-11 | 2016-05-11 | Shutoff grout is for going into device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591877U true CN205591877U (en) | 2016-09-21 |
Family
ID=56931568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620427829.4U Expired - Fee Related CN205591877U (en) | 2016-05-11 | 2016-05-11 | Shutoff grout is for going into device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412431A (en) * | 2018-01-24 | 2018-08-17 | 同济大学 | A kind of device and method that artesian water stratum automatic water seal grouting behind shaft or drift lining blocks |
-
2016
- 2016-05-11 CN CN201620427829.4U patent/CN205591877U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412431A (en) * | 2018-01-24 | 2018-08-17 | 同济大学 | A kind of device and method that artesian water stratum automatic water seal grouting behind shaft or drift lining blocks |
| CN108412431B (en) * | 2018-01-24 | 2019-10-18 | 同济大学 | A kind of device and method that artesian water stratum automatic water seal grouting behind shaft or drift lining blocks |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20190511 |