CN204492782U - Polymer mother liquor online low pressure mixture injection device - Google Patents
Polymer mother liquor online low pressure mixture injection device Download PDFInfo
- Publication number
- CN204492782U CN204492782U CN201420655553.6U CN201420655553U CN204492782U CN 204492782 U CN204492782 U CN 204492782U CN 201420655553 U CN201420655553 U CN 201420655553U CN 204492782 U CN204492782 U CN 204492782U
- Authority
- CN
- China
- Prior art keywords
- pump
- unit
- polymer
- slaking
- pipeline
- 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.)
- Active
Links
Abstract
A kind of polymer mother liquor online low pressure mixture injection device.In order to the injection rate overcoming existing polymer mother liquor online high pressure mixture injection device is little, can not meet the deficiency of the needs of large injection rate, the centrifugal pump of the utility model dissolving unit, Venturi tube, tubing pump connect from front to back successively; The metering feeder of storage bin hopper and lower end thereof is positioned at the top of Venturi tube; Tubing pump is communicated with the slaking tank of slaking unit by pipeline; Slaking tank is connected by the feeding pump of pipeline with feeding unit, and the static mixer of injection unit, polymer-injecting pump, assignment of traffic instrument are connected successively by pipeline, and the injection pipeline being arranged on assignment of traffic instrument rear end is communicated with well head; The connecting line of water pot and centrifugal pump, feed and be connected with water supply line between pump and the connecting line of polymer-injecting pump, water supply line is provided with supply-water pump, flow control valve.Its beneficial effect is rational in infrastructure, and two-way dissolves, slaking, meets the demand of the large injection rate of polymer; Watering flow follow-up adjustment controls, and obtain solution concentration precision is high.
Description
Technical field
The utility model relates to a kind of polymer mixture injection device of tertiary oil production in oil field, especially relates to a kind of polymer mother liquor online low pressure mixture injection device.
Background technology
Along with deepening continuously of In Oil Field Exploration And Development, old filed after the exploitation of primary oil recovery, secondary oil recovery, face that stable yields volume increase difficulty increases, secondary oil recovery effect worse and worse, improve the difficulties such as recovery ratio difficulty strengthens year by year.For an above-mentioned difficult problem, the chemical flooding tertiary oil recovery technology of taking as the leading factor with polymer displacement of reservoir oil tech improves one of important technology of recovery ratio at the oil extraction later stage.
Chemical flooding tertiary oil recovery technology is tentatively mixed with water by polymer dry powder, is mixed with the polymer solution of aimed concn.The polymer solution formed after dry powder mixes with water enters curing box slaking, becomes polymer solution mother liquor after abundant slaking.At present, polymer chemistry flooding tertiary oil recovery ground installation is polymer mother liquor online high pressure mixture injection device, mainly comprise dissolving unit, slaking unit, feeding unit, injection unit, because injection rate is less, after polymer mother liquor preparation, water mixing after employing polymer-injecting pump, stratum is injected after being diluted to aimed concn solution, its technological process as shown in Figure 1, concrete technology step is: low pressure water is successively through water inlet pipe 1, strainer 2, water pot 3 enters and dissolves unit 17, by centrifugal pump 4, water is transported to Venturi tube 21 again, be added to the polymer dry powder in storage bin hopper 5, metering feeder 6 through storage bin hopper 5 lower end forms certain density polymer solution after measuring after Venturi tube 21 place tentatively mixes with quantitative water, polymer solution is delivered to slaking unit 16 by tubing pump 7, and polymer solution is transported to slaking tank 8 and stirs slaking, enters feeding unit 15 after slaking becomes polymer mother liquor in slaking tank through pipeline, polymer mother liquor is transported to injection unit 14 by feeding pump 9, polymer mother liquor is in static mixer 10 front end after polymer-injecting pump boosting, and the water under high pressure provided with booster pump 22 on water supply line 20 mixes, and mixed solution, after static mixer 10 fully mixing, enters well head by assignment of traffic instrument 12, injection pipeline 13.The proportioning of water under high pressure is by flow meter 23 manual adjustments.
Adopt polymer mother liquor online high pressure mixture injection device to carry out chemical flooding tertiary oil recovery, injection rate is little, can not meet the needs of large injection rate; Manually adjust flux counts into the proportioning of polymer mother liquor and water under high pressure, and the solution concentration precision of preparation is low, cannot meet technological requirement.
Utility model content
In order to the injection rate overcoming existing polymer mother liquor online high pressure mixture injection device is little, the needs of large injection rate can not be met; It is low that manual adjustments flow meter completes solution concentration distributing precision, cannot meet the deficiency of technological requirement, and the utility model provides a kind of polymer mother liquor online low pressure mixture injection device.
The utility model solves the technical scheme that its technical problem adopts: polymer mother liquor online low pressure mixture injection device comprises and dissolves unit, slaking unit, feeding unit, injection unit.Water inlet pipe, strainer, water pot are arranged on the front end of dissolving unit after being connected successively by pipeline, the centrifugal pump of dissolving unit, Venturi tube, tubing pump connect from front to back successively; The metering feeder of storage bin hopper and lower end thereof is positioned at the top of Venturi tube; Tubing pump is communicated with the slaking tank of slaking unit by pipeline; Slaking tank is connected by the feeding pump of pipeline with feeding unit, and the static mixer of injection unit, polymer-injecting pump, assignment of traffic instrument are connected successively by pipeline, and the injection pipeline being arranged on assignment of traffic instrument rear end is communicated with well head; The connecting line of water pot and centrifugal pump, feed and be connected with water supply line between pump and the connecting line of polymer-injecting pump, water supply line is provided with supply-water pump, flow control valve.
Dissolving unit, slaking unit, feeding unit is one group after connecting successively, and the front end after two groups or more parallel connection is communicated with water pot, and rear end is communicated with the arrival end of static mixer.Flow control valve is follow-up flow control valve.
The beneficial effects of the utility model are, rational in infrastructure, and polymer mother liquor low pressure water mixing mixture, has saved equipment cost, reduce automatic process and control difficulty, improve the reliability of equipment; Two-way dissolves, and two-way slaking, can meet the demand of the large injection rate of polymer; The control of watering flow follow-up adjustment, obtain solution concentration precision is high.
Accompanying drawing explanation
Fig. 1 is existing polymer mother liquor online high pressure mixture injection technology flow chart.
Fig. 2 is the utility model polymer mother liquor online low pressure mixture injection device structural representation.
In figure: 1. water inlet pipe, 2. strainer, 3. water pot, 4. centrifugal pump, 5. storage bin hopper, 6. metering feeder, 7. tubing pump, 8. slaking tank, 9. feed pump, 10. static mixer, 11. polymer-injecting pumps, 12. assignment of traffic instrument, 13. inject pipeline, 14. injection units, 15. feeding unit, 16. slaking unit, 17. dissolve unit, 18. flow control valves, 19. supply-water pumps, 20. water supply lines, 21. Venturi tubes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.But those skilled in the art should know, the invention is not restricted to listed detailed description of the invention, as long as spirit according to the invention, all should be included in protection scope of the present invention.
See accompanying drawing 2.The utility model polymer mother liquor online low pressure mixture injection device mainly comprises and dissolves unit 17, slaking unit 16, feeding unit 15, injection unit 14, and dissolve unit 17, slaking unit 16, feeding unit 15, injection unit 14 connect from front to back successively.Water inlet pipe 1, strainer 2, water pot 3 are arranged on the front end of dissolving unit 17 after being connected successively by pipeline.The centrifugal pump 4 of dissolving unit 17, Venturi tube 21, tubing pump 7 connect from front to back successively; The metering feeder 6 of storage bin hopper 5 and lower end thereof is positioned at the top of Venturi tube 21, and polymer dry powder is added in storage bin hopper 5, after the metering feeder 6 of storage bin hopper 5 lower end, enter Venturi tube 21.Tubing pump 7 is communicated with the slaking tank 8 of slaking unit 16 by pipeline; Slaking tank 8 is connected by the feeding pump 9 of pipeline with feeding unit 15.The static mixer 10 of injection unit 14, polymer-injecting pump 11, assignment of traffic instrument 12 are connected successively by pipeline, and the injection pipeline 13 being arranged on assignment of traffic instrument 12 rear end is communicated with well head.
The connecting line of water pot 3 and centrifugal pump 4, feed pump 9 and polymer-injecting pump 11 connecting line between be connected with water supply line 20, water supply line 20 is provided with supply-water pump 19, flow control valve 18.Flow control valve 18 wherein regulates for follow-up flow, realizes watering flow follow-up adjustment and controls, and improves obtain solution concentration precision.
Dissolving unit 17, slaking unit 16, feeding unit 15 in the utility model is one group after connecting successively, and the front end after two groups or more parallel connection is communicated with water pot 3, and rear end is communicated with the arrival end of static mixer 10.The dissolving of the two-way/multichannel formed thus, aging system, can meet the demand of large injection rate.
The concrete technology of application the utility model polymer mother liquor online low pressure mixture injection device is,
First, low pressure water enters water pot 3 through water inlet pipe 1, strainer 2, by centrifugal pump 4, water is transported to Venturi tube 21; Be added to by polymer dry powder in storage bin hopper 5, the metering feeder 6 through storage bin hopper 5 lower end tentatively mixes with quantitative water at Venturi tube 21 place after measuring, and forms certain density polymer mother liquor simultaneously;
By tubing pump 7, polymer mother liquor is transported to slaking tank 8 again and stirs slaking;
Then, the polymer mother liquor that slaking is good in slaking tank 8 is transported to static mixer 10 by feeding pump 9; At this, the polymer mother liquor that slaking is good mixes with the low-pressure water in water supply line 20, forms aimed concn solution;
Finally, aimed concn solution according to the demand of injection well, is measured by flow assignment instrument 12 and injects each well head after polymer-injecting pump 11 boosts.
Wherein, the water being water pot 3 in the low-pressure water at static mixer 10 place is carried through supply-water pump 19, and the proportioning of polymer mother liquor and water is realized by flow control valve 18 follow-up adjustment.
The utility model adopts two-way/multichannel dissolving, two-way/multichannel curing process, can meet the demand of large injection rate; Adopt low-pressure water mixture, saved high pressure water-injection pump and supporting valve group pipeline, reduce equipment investment; Polymer mother liquor water mixing proportioning adopts follow-up flow Controlling Technology, and distributing precision is high.
It should be noted that above-described embodiment is example and unrestricted the present invention, those skilled in the art can design a lot of alternate embodiment and not depart from the right of this patent.
Claims (3)
1. a polymer mother liquor online low pressure mixture injection device, comprise and dissolve unit, slaking unit, feeding unit, injection unit, water inlet pipe, strainer, water pot are arranged on the front end of dissolving unit after being connected successively by pipeline, the centrifugal pump of dissolving unit, Venturi tube, tubing pump connect from front to back successively; The metering feeder of storage bin hopper and lower end thereof is positioned at the top of Venturi tube; Tubing pump is communicated with the slaking tank of slaking unit by pipeline; Slaking tank is connected by the feeding pump of pipeline with feeding unit, it is characterized in that:
The static mixer (10) of described injection unit (14), polymer-injecting pump (11), assignment of traffic instrument (12) are connected successively by pipeline, and the injection pipeline (13) being arranged on assignment of traffic instrument (12) rear end is communicated with well head;
The connecting line of described water pot (3) and centrifugal pump (4), feed pump (9) and polymer-injecting pump (11) connecting line between be connected with water supply line (20), water supply line (20) is provided with supply-water pump (19), flow control valve (18).
2. polymer mother liquor online low pressure mixture injection device according to claim 1, it is characterized in that: described dissolving unit (17), slaking unit (16), feeding unit (15) are one group after connecting successively, front end after two groups or more parallel connection is communicated with water pot (3), and rear end is communicated with the arrival end of static mixer (10).
3. polymer mother liquor online low pressure mixture injection device according to claim 1, is characterized in that: described flow control valve (18) is that follow-up flow regulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655553.6U CN204492782U (en) | 2014-11-04 | 2014-11-04 | Polymer mother liquor online low pressure mixture injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655553.6U CN204492782U (en) | 2014-11-04 | 2014-11-04 | Polymer mother liquor online low pressure mixture injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492782U true CN204492782U (en) | 2015-07-22 |
Family
ID=53572106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420655553.6U Active CN204492782U (en) | 2014-11-04 | 2014-11-04 | Polymer mother liquor online low pressure mixture injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204492782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855100A (en) * | 2021-02-03 | 2021-05-28 | 中海油能源发展股份有限公司 | Underground in-situ fixed online profile control and drive device, tubular column and method |
-
2014
- 2014-11-04 CN CN201420655553.6U patent/CN204492782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855100A (en) * | 2021-02-03 | 2021-05-28 | 中海油能源发展股份有限公司 | Underground in-situ fixed online profile control and drive device, tubular column and method |
| CN112855100B (en) * | 2021-02-03 | 2022-12-30 | 中海油能源发展股份有限公司 | Underground in-situ fixed online profile control and drive device, tubular column and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203971841U (en) | A kind of of the fracturing fluid mixing system | |
| CN200952647Y (en) | Primary liquid on-line continuous diluting and adding device | |
| CN103721619A (en) | Continuous fracturing fluid blending device | |
| CN205135587U (en) | Composite regulation of many wells of polymer partial pressure integration sled dress device | |
| CN105126669A (en) | System for realizing continuous mixing by utilizing liquid-state guar gum and mixing technology thereof | |
| CN102423655A (en) | Large-flow fracturing fluid preparation system and method | |
| CN205135586U (en) | A polymer injection allocation device for strong heterogeneous body oil reservoir | |
| CN202113815U (en) | Skid mounted polymer continuous curing device | |
| RU2436941C1 (en) | Procedure for control over water flood of non-uniform reservoir | |
| CN204492782U (en) | Polymer mother liquor online low pressure mixture injection device | |
| CN101519957B (en) | Proportion regulating and injecting system | |
| RU2418156C1 (en) | Development method of non-homogeneous oil formation | |
| CN203208924U (en) | High-pressure water distribution mother liquor metering and mixing device | |
| CN107143318A (en) | Single pump individual well two-stage concentration allotment weak base ternary injection device and its application method | |
| CN203685150U (en) | Microorganism oil displacement injection agent and air onsite injection device | |
| CN204456270U (en) | A kind of workshop pure water water system | |
| CN203465609U (en) | Dilute brine pH value control system | |
| CN202237826U (en) | Water mixing type polymer dispersing and dissolving device | |
| CN201687453U (en) | Ratio-control flow device | |
| CN201962111U (en) | Automatic-control drug feeding device for flocculants | |
| CN204973697U (en) | It realizes mixing system of disposition in succession all to utilize liquid melon to glue | |
| CN201810293U (en) | Diluting and preparing device for chemical flooding in oil field | |
| CN206903648U (en) | The regulation device of oil field Weak Base ASP Flood injection allocation | |
| CN201459005U (en) | Dispersion, dissolution and curing system of dry water soluble polymer powder | |
| CN203668084U (en) | Medicament uniform dispensing device for high-density sedimentation tanks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201102 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. Address before: 300280 happy road, Dagang Oilfield, Grand Port, Tianjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. |