CN102816561A - Viscosity stabilizer for ASP flooding - Google Patents
Viscosity stabilizer for ASP flooding Download PDFInfo
- Publication number
- CN102816561A CN102816561A CN2012102570320A CN201210257032A CN102816561A CN 102816561 A CN102816561 A CN 102816561A CN 2012102570320 A CN2012102570320 A CN 2012102570320A CN 201210257032 A CN201210257032 A CN 201210257032A CN 102816561 A CN102816561 A CN 102816561A
- Authority
- CN
- China
- Prior art keywords
- viscosity
- viscosity stabilizer
- stabilizer
- stablizer
- ternary composite
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides for a viscosity stabilizer for ASP flooding. The viscosity stabilizer is characterized in that an aqueous solution is prepared from sodium sulfite and cresol in a weight ratio of 10 to 5 so as to form a composite viscosity stabilizer and application concentration of the stabilizer in an ASP composite system solution is 100 to 400 mg/L. The viscosity stabilizer prepared in the invention not only can stabilize the viscosity of an ASP system but also has the advantages of a wide range of applicable water quality, a wide scope of applicable concentration, a simple preparation process, convenient operation, etc.
Description
Technical field
The present invention relates to stablizer, be specifically related to a kind of viscosity stabilizer that is used for ternary composite driving.
Background technology
Viscosity stabilizer is applied to the ternary composite driving technology in the TOR field.At present; The problem that the ternary composite driving technology exists is: in the ternary system of preparation; Because the adding of alkali causes the original polymer stabilizer stabilization under alkaline condition that is suitable for to reduce significantly; Can't solve ternary complex and tie up in ground, the stratum in the migration process, the reduction problem significantly of compound system viscosity, thus have a strong impact on ternary composite driving The Application of Technology effect.
Summary of the invention
In order to improve the ternary composite driving mesocomplex is the viscosity long term stability problem, and technical problem to be solved by this invention provides a kind of viscosity that can under alkaline condition, stablize and have certain amplitude to improve compound system, improves the viscosity stabilizer of ternary composite driving effect of field application.
For solving the problems of the technologies described above; The technical scheme that the present invention taked be this viscosity stabilizer that is used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 10～5 to be made into the aqueous solution; Form a kind of complex viscosity stablizer, the application concentration of stablizer in three-component compound system solution is 100～400mg/L.
A kind of mechanism of action that is used for the viscosity stabilizer of ternary composite driving of the present invention is:
(1) these two kinds of materials of S-WAT and 3 mixed cresol have good stability under alkaline condition;
(2) S-WAT has deoxygenation ability preferably, and the oxygen of being brought in the time of can eliminating the preparation ternary system, anti-block make the stable viscosity of ternary system to the Degradation of polymkeric substance in the ternary system;
(3) 3 mixed cresol can stop the radical that different reasons (high temperature, illumination, redox reaction) produce, and prevents polymer molecule splitting of chain in the ternary system, makes the stable viscosity of ternary system;
(4) 3 mixed cresol has more intense germicidal action, can prevent that sulphate reducing bacteria is to polymkeric substance; Degraded.
A kind of beneficial effect that viscosity stabilizer produced that is used for ternary composite driving of the present invention is:
(1) has multiple stable mechanism, can stablize the viscosity of ternary system;
(2) ternary system of suitable clear water, the oxygen sewage that exposes to the sun, the preparation of anaerobism sewage, it is wide to be suitable for the water quality scope;
(3) (100～400mg/L), it is wide to be suitable for concentration range to have confirmed the working concentration of stablizer;
(4) the stablizer adding technology is simple, and product is delivered to the scene with the form of the aqueous solution, and is easy to operate.
Embodiment
Embodiment 1
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 10 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 100mg/L.
Embodiment 2
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 9 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 150mg/L.
Embodiment 3
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 8 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 200mg/L.
Embodiment 4
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 7 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 250mg/L.
Embodiment 5
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 6 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 300mg/L.
Embodiment 6
The viscosity stabilizer that the present invention is a kind of to be used for ternary composite driving by S-WAT and 3 mixed cresol by weight ratio be 5 to be made into the aqueous solution, form a kind of viscosity stabilizer, the application concentration of stablizer in three-component compound system solution is 400mg/L.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Other various distortion and improvement that those of ordinary skills have done technical scheme of the present invention all should fall within protection scope of the present invention.
A kind of The laboratory results that is used for the viscosity stabilizer of ternary composite driving of the present invention:
1, under fresh sewage (oxygen barrier) condition, add the three-component compound system solution that the finite concentration stablizer makes aging 90 days, the high 18.3mPa.s of sample viscosity than not adding stablizer, see table 1:
The fresh sewage preparation of table 1 different stabilizers concentration permanent stability (mPa.s)
* ternary composite displacement system: 1.2%NaOH+0.3% table agent (50%) alive+1650mg/LHPAM.
2, expose to the sun under oxygen sewage (ageing) condition, add the three-component compound system solution that the finite concentration stablizer makes aging 90 days, the high 28.1mPa.s of sample viscosity than not adding stablizer, see table 2:
The table 2 oxygen sewage preparation various polymerization substrate concentration permanent stability (mPa.s) of exposing to the sun
* ternary composite displacement system: 1.2%NaOH+0.3% table agent (50%) alive+1650mg/LHPAM.
3, in identical digestion time; Under the identical condition of water quality; The three-component compound system solution that adds stablizer does not add the sample of stablizer, and the three-component compound system solution RF raising value in the time of aging 90 days is 21.76%, and (15.48%) does not exceed 6.3 percentage points when adding stablizer;
Core physical simulation oil displacement experiment result sees table 3:
Table 3 core physical simulation oil displacement experiment result
* ternary composite displacement system: 1.2%NaOH+0.3% table agent (50%) alive+1650mg/LHPAM.
Can know that through above desk research viscosity stabilizer of the present invention is applied to the ternary composite driving technology, can stablize the viscosity of three-component compound system solution.S-WAT has stronger deoxygenation ability, can prevent the Degradation of block to polymkeric substance.3 mixed cresol has the function that stops radical, can prevent the degraded of sulphate reducing bacteria to polymkeric substance simultaneously.Two kinds of materials have stability preferably in basic soln; Multiple stable mechanism comprehensive action makes viscosity stabilizer have the ability of efficient stable three-component compound system soltion viscosity; Adding the finite concentration stablizer can make well head and underground three-component compound system soltion viscosity keep stable; Improve on-the-spot oil increasing effect, and reach the purpose that improves RF.
Claims (1)
1. viscosity stabilizer that is used for ternary composite driving; It is characterized in that by S-WAT and 3 mixed cresol by weight ratio be 10～5 to be made into the aqueous solution; Form a kind of complex viscosity stablizer, the application concentration of stablizer in three-component compound system solution is 100～400mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102570320A CN102816561A (en) | 2012-07-24 | 2012-07-24 | Viscosity stabilizer for ASP flooding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102570320A CN102816561A (en) | 2012-07-24 | 2012-07-24 | Viscosity stabilizer for ASP flooding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102816561A true CN102816561A (en) | 2012-12-12 |
Family
ID=47301020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102570320A Pending CN102816561A (en) | 2012-07-24 | 2012-07-24 | Viscosity stabilizer for ASP flooding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102816561A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686119A (en) * | 1969-09-26 | 1972-08-22 | Georgia Pacific Corp | Drilling composition and method |
| US4199491A (en) * | 1977-12-23 | 1980-04-22 | Idemitsu Kosan Company Limited | Polyolefin resin composition |
| US4218327A (en) * | 1976-04-05 | 1980-08-19 | Shell Oil Company | Stabilizing the viscosity of an aqueous solution of polysaccharide polymer |
| GB2088435A (en) * | 1980-08-08 | 1982-06-09 | Union Carbide Corp | Treatment of Water Thickened Systems |
| CN101475667A (en) * | 2009-01-23 | 2009-07-08 | 成都理工大学 | Temperature-resistant salt-resistant efficient gel, and preparation and use thereof |
| CN102093875A (en) * | 2010-12-08 | 2011-06-15 | 中国石油集团西部钻探工程有限公司 | Super guar gum foamed fracturing fluid injected with liquid nitrogen for low-permeability gas reservoir and preparation method thereof |
-
2012
- 2012-07-24 CN CN2012102570320A patent/CN102816561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686119A (en) * | 1969-09-26 | 1972-08-22 | Georgia Pacific Corp | Drilling composition and method |
| US4218327A (en) * | 1976-04-05 | 1980-08-19 | Shell Oil Company | Stabilizing the viscosity of an aqueous solution of polysaccharide polymer |
| US4199491A (en) * | 1977-12-23 | 1980-04-22 | Idemitsu Kosan Company Limited | Polyolefin resin composition |
| GB2088435A (en) * | 1980-08-08 | 1982-06-09 | Union Carbide Corp | Treatment of Water Thickened Systems |
| CN101475667A (en) * | 2009-01-23 | 2009-07-08 | 成都理工大学 | Temperature-resistant salt-resistant efficient gel, and preparation and use thereof |
| CN102093875A (en) * | 2010-12-08 | 2011-06-15 | 中国石油集团西部钻探工程有限公司 | Super guar gum foamed fracturing fluid injected with liquid nitrogen for low-permeability gas reservoir and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 付美龙等: "碱/聚合物复合驱溶液中聚丙烯酰胺的稳定性", 《武汉化工学院学报》 * |
| 付美龙等: "聚合物驱溶液中溶解氧对聚合物稳定性的影响", 《西南石油学院学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103666437B (en) | Fracturing fluid | |
| RU2013153499A (en) | METHOD FOR STABILIZING HYDROPHILIC CLAY | |
| SA520411996B1 (en) | Enhanced Surfactant Polymer Flooding Processes for Oil Recovery in Carbonate Reservoirs | |
| MX352187B (en) | Composition of dexibuprofen transdermal hydrogel. | |
| CN103074049A (en) | Fracturing fluid prepared by recovery waste water of crude oil and preparation method of fracturing fluid | |
| CN101053782B (en) | Antibiotic cellulose acetate nanofiltration membrane and its preparation method | |
| BRPI0618444A2 (en) | process and method for the preparation of a particle dispersion and composition | |
| CN108251092A (en) | Lipopeptide/petroleum sulfonate weak base composition oil displacement agent | |
| CN105076201A (en) | Complex oilfield water flooding bactericide | |
| WO2010079487A3 (en) | Compositions for decontamination | |
| WO2017123721A1 (en) | Stabilization of petroleum surfactants for enhancing oil recovery | |
| CN109401742A (en) | A kind of heat-resistant salt-resistant foam profile system being formulated by highly mineralized formation brines | |
| US11806674B1 (en) | Polyacrylonitrile-based membrane for uranium-extraction-from-seawater-seawater desalination cogeneration and its preparation method thereof | |
| CN104528942B (en) | Method for purifying polluted water body by cooperation of microorganisms and aquatic plants | |
| CN106433598A (en) | Method for preparing agent body A and agent body B of delayed crosslinker for plant gum fracturing fluid | |
| CN104449630A (en) | Surfactant composition for oil recovery and preparation method of surfactant composition | |
| CN102816561A (en) | Viscosity stabilizer for ASP flooding | |
| CN109294540B (en) | High-salinity-resistant profile control agent for deep oil reservoir and preparation method thereof | |
| CN107312516B (en) | Biological source compound oil displacement system, preparation method and oil displacement method | |
| CN103396519A (en) | Copolymerization-immobilized beta-cyclodextrin porous separation material as well as preparation method and application thereof | |
| CN104232054B (en) | A kind of method for improving sulfonated polyacrylamide solution viscosity stability | |
| EP2057899A3 (en) | Method for making cyclopropene inclusion complex | |
| CN106190852A (en) | A kind of remove the method for heavy metal in algae | |
| SA519410040B1 (en) | Polymer flooding produced water treatment | |
| CN111662691B (en) | Method for reducing viscosity loss of polymer prepared from oilfield produced water through complexing agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121212 |