CN209704539U - One kind preventing returning to spit that press-fitting hydrophone can be surveyed - Google Patents
One kind preventing returning to spit that press-fitting hydrophone can be surveyed Download PDFInfo
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- CN209704539U CN209704539U CN201920509806.1U CN201920509806U CN209704539U CN 209704539 U CN209704539 U CN 209704539U CN 201920509806 U CN201920509806 U CN 201920509806U CN 209704539 U CN209704539 U CN 209704539U
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- Prior art keywords
- valves
- check
- water filling
- mounting hole
- main body
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Abstract
Prevent returning to spit that the utility model relates to one kind, press-fitting hydrophone can be surveyed, it is characterized by: the bias main body is equipped with main channel up and down and the eccentric orfice for installing blanking plug, it is located at eccentric orfice two sides in the bias main body to be symmetrically arranged with water filling check-valves mounting hole and survey pressure check-valves mounting hole, installation water filling check-valves in the water filling check-valves mounting hole, the survey presses installation in check-valves mounting hole to survey pressure check-valves, and the water filling check-valves and survey pressure check-valves are connected to the blanking plug；The bias main body two sides are provided with inlet and liquid outlet, and the inlet is connected to the survey pressure check-valves, and the liquid outlet is connected to the water filling check-valves.Design is scientific and reasonable for the utility model, and the reflux of water flooding and impurity, which is returned, when can prevent injection well downhole flow regulator from working spits, and guarantees normal water filling；It is able to carry out formation pressure test simultaneously, guarantees the water flood operations of injection well downhole flow regulator.
Description
Technical field
The utility model belongs to water flooding technology field, is related to eccentric injection mandrel, in particular to a kind of anti-return is spat
Press-fitting hydrophone can be surveyed.
Background technique
Eccentric injection mandrel is the important tool of separated-zone water infection oil field exploitation, therefore compares the performance requirement of eccentric injection mandrel
It is high.In the existing eccentric injection mandrel used, blanking plug is connected to the main channel of eccentric injection mandrel, and the water filling main channel Shi Shuicong flows into
To the water tap of blanking plug, the water flowed out from blanking plug water tap is entered in stratum, and when stopping water filling, formation fluid is easy to return and spit back
It flows, water, sand, crude oil, the polymer etc. in stratum, which return to spit through eccentric injection mandrel, to be flowed back into oil pipe, causes blanking plug water tap stifled
Plug, influences normally to fill the water；Meanwhile when carry out pulling be measured when, be easy to cause blanking plug throw not into or fishing do not come up, be measured operation
It is unable to complete.These have all seriously affected water flooding efficiency, cause unnecessary workover treatment and economic loss.
It can prevent from formation fluid from returning therefore, it is necessary to designing one kind to spit, guarantee normal water filling, improve matching for oil-field flooding efficiency
Hydrophone.
By the retrieval to patent document, patent document identical with present patent application is not found.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and prevent returning to spit that press-fitting hydrophone can be surveyed, no
It can only prevent from formation fluid from returning to spit, guarantee that injection well downhole flow regulator normally fills the water；And it is able to carry out formation pressure test, extend injection well downhole flow regulator and uses
Service life improves water-injection efficiency.
The utility model solves its technical problem and is achieved through the following technical solutions:
One kind is anti-, which to be returned to spit, can survey press-fitting hydrophone, including top connection, connector sleeve, centralizer body, eccentric main body, guide way and under connect
Head, the threaded upper ends of the connector sleeve connect the top connection, and the lower thread of the connector sleeve connects the lower contact, described
Centralizer body, eccentric main body and guide way are disposed in connector sleeve from top to bottom, it is characterised in that: set in the bias main body
There are main channel up and down and the eccentric orfice for installing blanking plug, is located at eccentric orfice two sides in the bias main body and symmetrically sets
It is equipped with water filling check-valves mounting hole and surveys pressure check-valves mounting hole, installation water filling check-valves in the water filling check-valves mounting hole,
Installation survey pressure check-valves in check-valves mounting hole, the water filling check-valves and survey pressure check-valves and blanking plug company are pressed in the survey
It is logical；The bias main body two sides are provided with inlet and liquid outlet, and the inlet is connected to the surveys pressure check-valves, it is described out
Liquid mouth is connected to the water filling check-valves.
Moreover, there are two bridge-type right angle axial direction feed pathways for the laterally symmetric setting of main channel inner wall.
Moreover, being provided with relief hole in the bias main body, the relief hole is connected to the blanking plug.
Moreover, the bottom end of the bias main body is provided with inlet opening, the inlet opening is connect with the blanking plug.
Moreover, the water filling check-valves mounting hole and survey pressure check-valves mounting hole are ladder mounting hole.
Moreover, the water filling check-valves mounting hole and survey pressure check-valves mounting hole upper end are formed with screw thread.
It the advantages of the utility model and has the beneficial effect that
1, the utility model it is anti-return to spit can survey press-fitting hydrophone, eccentric main body is equipped with main channel up and down and is used for
The eccentric orfice of blanking plug is installed, water filling check-valves mounting hole is symmetrically arranged with positioned at eccentric orfice two sides in eccentric main body and surveys pressure and stop
Valve mounting hole is returned, installation water filling check-valves in water filling check-valves mounting hole surveys installation in pressure check-valves mounting hole and surveys pressure check-valves,
Water filling check-valves and survey pressure check-valves are connected to blanking plug；Eccentric main body two sides are provided with inlet and liquid outlet, and inlet connects
It is connected to survey pressure check-valves, liquid outlet is connected to water filling check-valves, when water filling, surveys pressure closure of check ring, water filling check-valves is opened, note
Enter water and enters stratum through blanking plug, water filling check-valves；When surveying pressure, closure of check ring is filled the water, pressure check-valves is surveyed and opens, strata pressure
It is surveyed pressure check-valves and enters blanking plug, measure strata pressure；When stopping note, two valves are in closed state, no matter fill the water or side
Press operation, stopping infusing formation fluid will not all return and spit reflux, guarantee to clean in oil pipe, and will not influence pulling and be measured.
2, the utility model it is anti-return to spit can survey press-fitting hydrophone, there are two bridge-type right angles for the laterally symmetric setting of main channel inner wall
Water, when the main channel of eccentric main body is occupied, is injected during zonal pressure test or flow rate test in shaft orientation liquid feeding channel
It still can enter lower layer by bridge-type right angle axial direction feed pathway, the charging state of lower part interval will not be changed, and can realize list
Stressor layer test or single layer flow rate test.
3, the utility model it is anti-return to spit can survey press-fitting hydrophone, relief hole, relief hole and blocking are provided in eccentric main body
Device connection, guarantee the release of strata pressure, it is ensured that safety work, avoid because pressure it is excessive caused by blowout.
4, the utility model it is anti-return to spit can survey press-fitting hydrophone, the water filling feed pathway of blanking plug is arranged at blanking plug bottom
End, can effectively prevent the impurity such as sand setting to enter blanking plug, influence the installation and pulling of blanking plug.
5, the utility model it is anti-return to spit can survey press-fitting hydrophone, fill the water check-valves mounting hole and to survey pressure check-valves mounting hole equal
For ladder mounting hole, the Fast Installation of check-valves is pressed convenient for water filling check-valves mounting hole and survey.
6, the utility model it is anti-return to spit can survey press-fitting hydrophone, fill the water check-valves mounting hole and survey on pressure check-valves mounting hole
End is formed with screw thread, and being connected through a screw thread water filling check-valves and surveying pressure check-valves can be firmly installed in eccentric main body, simultaneously
Sealing function can be played.
7, design is scientific and reasonable for the utility model, and the reflux of water flooding and impurity, which is returned, when can prevent injection well downhole flow regulator from working spits,
Guarantee normal water filling；It is able to carry out formation pressure test simultaneously, guarantees the water flood operations of injection well downhole flow regulator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is structural schematic diagram when the utility model bias main body fills the water；
Fig. 4 is structural schematic diagram when the utility model bias main body surveys pressure.
Description of symbols
1- top connection, 2- connector sleeve, 3- centralizer body, 4- bias main body, 5- guide way, 6- lower contact, 7- liquid outlet, 8- are inclined
Heart hole, 9- water filling check-valves mounting hole, 10- bridge-type right angle axial direction feed pathway, the main channel 11-, 12- survey pressure check-valves installation
Hole, 13- inlet, 14- oil pipe, 15- packer, 16- blanking plug, 17- water filling check-valves, 18- water filling feed pathway, 19- set
Pipe, 20- survey pressure check-valves, 21- relief hole.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
One kind preventing returning to spit that press-fitting hydrophone can be surveyed, including top connection 1, connector sleeve 2, centralizer body 3, eccentric main body 4, guide way 5
And lower contact 6, the threaded upper ends of connector sleeve connect top connection, the lower thread of connector sleeve connects lower contact, and connector sleeve is interior from upper
Be disposed with centralizer body, eccentric main body and guide way, innovation under and to be: eccentric main body is equipped with up and down
Main channel 11 and eccentric orfice 8 for installing blanking plug 16 are located at eccentric orfice two sides in eccentric main body and are symmetrically arranged with water filling and stop
It returns valve mounting hole 9 and surveys pressure check-valves mounting hole 12, installation water filling check-valves 17 in water filling check-valves mounting hole surveys pressure check-valves
It is installed in mounting hole and surveys pressure check-valves 20, filled the water check-valves and survey and check-valves is pressed to be connected to blanking plug；Eccentric main body two sides setting
There are inlet 13 and liquid outlet 7, inlet is connected to survey pressure check-valves, and liquid outlet is connected to water filling check-valves.
In use, lower contact is connected to casing 19, while on water injection string by the top connection connected pipes 14 of injection well downhole flow regulator
Connect packer 15, when water filling, survey pressure closure of check ring, water filling check-valves is opened, injection water through blanking plug, water filling check-valves into
Enter stratum；When surveying pressure, closure of check ring is filled the water, pressure check-valves is surveyed and opens, strata pressure is surveyed pressure check-valves and enters blanking plug, is surveyed
Obtain strata pressure；When stopping note, two valves are in closed state, no matter fill the water or side pressure operates, and stopping note formation fluid will not all return
Reflux is spat, guarantees cleaning in oil pipe, and will not influence pulling and be measured.
There are two bridge-type right angle axial direction feed pathways 10 for the laterally symmetric setting of main channel inner wall, test or flow in zonal pressure
During measuring examination, when the main channel of eccentric main body is occupied, injection water can still pass through bridge-type right angle axial direction feed pathway
Into lower layer, the charging state of lower part interval will not be changed, and can realize single pressure test or single layer flow rate test.
Relief hole 21 is provided in eccentric main body, relief hole is connected to blanking plug, guarantees the release of strata pressure, it is ensured that peace
Full operation, avoid because pressure it is excessive caused by blowout.
The water filling feed pathway 18 of blanking plug is arranged in blanking plug bottom end, and the impurity such as sand setting can be effectively prevent to enter blocking
Device influences the installation and pulling of blanking plug.
Filling the water check-valves mounting hole and surveying pressure check-valves mounting hole is ladder mounting hole, convenient for water filling check-valves mounting hole
And survey the Fast Installation of pressure check-valves.
Water filling check-valves mounting hole and survey pressure check-valves mounting hole upper end are formed with screw thread, are connected through a screw thread water filling non-return
Valve and survey pressure check-valves can be firmly installed in eccentric main body, while can play sealing function.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (6)
1. one kind is anti-, which to be returned to spit, can survey press-fitting hydrophone, including top connection, connector sleeve, centralizer body, eccentric main body, guide way and under connect
Head, the threaded upper ends of the connector sleeve connect the top connection, and the lower thread of the connector sleeve connects the lower contact, described
Centralizer body, eccentric main body and guide way are disposed in connector sleeve from top to bottom, it is characterised in that: set in the bias main body
There are main channel up and down and the eccentric orfice for installing blanking plug, is located at eccentric orfice two sides in the bias main body and symmetrically sets
It is equipped with water filling check-valves mounting hole and surveys pressure check-valves mounting hole, installation water filling check-valves in the water filling check-valves mounting hole,
Installation survey pressure check-valves in check-valves mounting hole, the water filling check-valves and survey pressure check-valves and blanking plug company are pressed in the survey
It is logical；The bias main body two sides are provided with inlet and liquid outlet, and the inlet is connected to the surveys pressure check-valves, it is described out
Liquid mouth is connected to the water filling check-valves.
2. according to claim 1 prevent returning to spit that press-fitting hydrophone can be surveyed, it is characterised in that: the main channel inner wall is laterally symmetric
There are two bridge-type right angle axial direction feed pathways for setting.
3. according to claim 1 prevent returning to spit that press-fitting hydrophone can be surveyed, it is characterised in that: be provided with and let out in the bias main body
Hole is pressed, the relief hole is connected to the blanking plug.
4. according to claim 1 prevent returning to spit that press-fitting hydrophone can be surveyed, it is characterised in that: the water filling feed liquor of the blanking plug is logical
Road is arranged in blanking plug bottom end.
5. it is according to claim 1 it is anti-return to spit can survey press-fitting hydrophone, it is characterised in that: the water filling check-valves mounting hole and
Surveying pressure check-valves mounting hole is ladder mounting hole.
6. it is according to claim 1 it is anti-return to spit can survey press-fitting hydrophone, it is characterised in that: the water filling check-valves mounting hole and
It surveys pressure check-valves mounting hole upper end and is formed with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920509806.1U CN209704539U (en) | 2019-04-16 | 2019-04-16 | One kind preventing returning to spit that press-fitting hydrophone can be surveyed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920509806.1U CN209704539U (en) | 2019-04-16 | 2019-04-16 | One kind preventing returning to spit that press-fitting hydrophone can be surveyed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704539U true CN209704539U (en) | 2019-11-29 |
Family
ID=68648018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920509806.1U Expired - Fee Related CN209704539U (en) | 2019-04-16 | 2019-04-16 | One kind preventing returning to spit that press-fitting hydrophone can be surveyed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117248872A (en) * | 2023-11-17 | 2023-12-19 | 贵州航天凯山石油仪器有限公司 | Underground integrated intelligent injection allocation device for realizing one allocation and two allocation and measuring and adjusting method |
-
2019
- 2019-04-16 CN CN201920509806.1U patent/CN209704539U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117248872A (en) * | 2023-11-17 | 2023-12-19 | 贵州航天凯山石油仪器有限公司 | Underground integrated intelligent injection allocation device for realizing one allocation and two allocation and measuring and adjusting method |
| CN117248872B (en) * | 2023-11-17 | 2024-02-06 | 贵州航天凯山石油仪器有限公司 | Underground integrated intelligent injection allocation device for realizing one allocation and two allocation and measuring and adjusting method |
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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: 20191129 Termination date: 20210416 |