CN107880865A - A kind of low interfacial tension foam flooding finish and preparation method thereof - Google Patents
A kind of low interfacial tension foam flooding finish and preparation method thereof Download PDFInfo
- Publication number
- CN107880865A CN107880865A CN201711056035.7A CN201711056035A CN107880865A CN 107880865 A CN107880865 A CN 107880865A CN 201711056035 A CN201711056035 A CN 201711056035A CN 107880865 A CN107880865 A CN 107880865A
- Authority
- CN
- China
- Prior art keywords
- propyl group
- interfacial tension
- glycine betaine
- foam flooding
- low interfacial
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
Abstract
The invention provides a kind of low interfacial tension foam flooding finish and preparation method thereof.By percentage to the quality, the low interfacial tension foam flooding finish includes following component：30 50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10 25% alkylpolyoxyethylene sodium sulphate, 10 15% fluorocarbon surfactants, surplus is water；Wherein, the glycine betaine includes one or more of combinations in laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines.The low interfacial tension foam flooding finish has preferable interfacial activity and higher frothing capacity, has preferable oil-displacement capacity.This has the oil displacement agent of foaming characteristic and interfacial activity concurrently, and raw material is easy to get, and cost is low, the features such as preparation technology is simple, can be while reducing oil water interfacial tension, improving oil displacement efficiency, and and can improves sweep efficiency, reach the purpose for significantly improving recovery ratio, suitable in Oil Field application.
Description
Technical field
The invention belongs to oilfield chemistry technology of reservoir sweep field, is related to a kind of low interfacial tension foam flooding finish and its preparation side
Method.
Background technology
China major part oil field is in high water-cut stage, continues conventional water drive mode for greatly improving the work of oil recovery factor
With being limited.According to the analysis of Influential Factors to sweep efficiency and oil displacement efficiency, improving oil recovery factor needs consideration to involve
Influence factor of both coefficient and oil displacement efficiency.Conventional surfactant can reduce oil water interfacial tension, improve washing oil
Effect, but there is no profile control effect；And conventional foaming agent has the function that profile control closure, improves sweep efficiency, but without obvious
Washing oil effect.Low interfacial tension foam flooding system is one to grow up on the basis of surfactant system and foaming agent
Kind oil displacement system, can be while reducing oil water interfacial tension, improving oil displacement efficiency, and and can improves sweep efficiency, reach notable
Improve the purpose of recovery ratio.
Low interfacial tension foam flooding finish of the present invention not only has a preferable interfacial activity, also preferable foaming properties,
And then existing preferable wash oil character is realized, there is good profile control effect again, crude oil is improved for high water cut oil field subsequent development
Recovery ratio is significant.
The content of the invention
In view of the shortcomings that above-mentioned prior art, it is an object of the invention to provide a kind of low interfacial tension foam flooding finish and
Its preparation method.The low interfacial tension foam flooding finish has preferable interfacial activity and higher foam performance concurrently, can reduce oil
Water interfacial tension value is to 10-2MN/m is horizontal, effectively carries out profile control and the displacement of reservoir oil, improves oil well recovery ratio.
In order to reach foregoing goal of the invention, the present invention provides a kind of low interfacial tension foam flooding finish, with quality percentage
Than meter, the low interfacial tension foam flooding finish includes following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate
Ester glycine betaine, 10-25% alkylpolyoxyethylenes sodium sulphate, 10-15% fluorocarbon surfactants, surplus is water；
Wherein, the glycine betaine includes laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group
One or more of combinations in hydroxypropyl sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines.
Above-mentioned serial alkylamide propyl hydroxypropyl sulphoalkyl glycine betaine has preferable foam performance and preferable boundary
Face activity.Above-mentioned dodecyl Hydroxypropyl phosphate fat glycine betaine, which has, preferably helps bubble performance.
Above-mentioned low interfacial tension foam flooding finish, outward appearance is light yellow clear, uniform liquid, by preferably single having
The surfactant of one performance is compounded, and is produced synergy, is made the low interfacial tension foam flooding finish system of acquisition have
Preferable interfacial activity and foaming properties, its foam volume can reach more than 5 times of starting solution volume, and can effectively reduce oil
Water interfacial tension value is to 10-2MN/m is horizontal.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10-25% dodecyl polyoxies
Ethene ether sodium sulfate, 10-15% fluorocarbon surfactants, surplus are water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:(1-3):(1-3) mix and
Into.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10-25% dodecyl polyoxies
Ethene ether sodium sulfate, 10-15% fluorocarbon surfactants, surplus are water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
According to a particular embodiment of the invention, it is preferable that the fluorocarbon surfactant includes both sexes perfluoroalkyl ethers sweet tea
Dish bases surfactant.The product F -1012 that preferably Yingzheng Scirnce and Technology Co., Ltd., Shanghai provides.This belongs to both sexes knot
The betaines fluorocarbon surfactant of structure, there is preferable interfacial activity, can effectively reduce oil water interfacial tension.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：50% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 25% alkylpolyoxyethylene
Sodium sulphate, 15% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：30% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10% alkylpolyoxyethylene
Sodium sulphate, 10% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：40% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 20% alkylpolyoxyethylene
Sodium sulphate, 13% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
According to a particular embodiment of the invention, it is preferable that by percentage to the quality, the low interfacial tension foam flooding finish
Including following component：50% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 20% alkylpolyoxyethylene
Sodium sulphate, 10% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；
Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxyl
Propylsultaine glycine betaine and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
The present invention also provides the preparation method of above-mentioned low interfacial tension foam flooding finish, and it comprises the following steps：
Successively by glycine betaine, dodecyl Hydroxypropyl phosphate ester glycine betaine, alkylpolyoxyethylene at 45-50 DEG C
Sodium sulphate, fluorocarbon surfactant and water are added in reactor, then under 400-500r/min mixing speed, by progressively plus
Enter the water of surplus, be completely dissolved reagent, until low interfacial tension foam flooding finish is made after stirring.
The present invention also provides application of the above-mentioned low interfacial tension foam flooding finish in oil extraction field, described during application
The mass concentration of low interfacial tension foam flooding finish in aqueous is 0.5%-1.0%.
Compared with existing foam flooding finish, low interfacial tension foam flooding finish provided by the invention has below beneficial to effect
Fruit：
(1) low interfacial tension foam flooding finish provided by the invention is free of alkali, to stratum fanout free region；
(2) chemical sources are easy to get used by low interfacial tension foam flooding finish provided by the invention, and cost is relatively low；
(3) low interfacial tension foam flooding finish provided by the invention is widely used, under 45-90 DEG C of formation temperature, hair
Better performances are steeped, foam volume can reach more than 5 times of starting solution volume, and interfacial activity is preferable, can effectively reduce profit circle
Face tension value is to 10-2MN/m is horizontal.
Embodiment
In order to which technical characteristic, purpose and the beneficial effect of the present invention is more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but it is not intended that to the present invention can practical range restriction.
Embodiment 1
The present embodiment provides a kind of low interfacial tension foam flooding finish, by weight percentage, the low interfacial tension foam
Oil displacement agent includes：Glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, alkylpolyoxyethylene
Sodium sulphate 25%, fluorocarbon surfactant 15%, water 5%.
Wherein, above-mentioned fluorocarbon surfactant be both sexes perfluoroalkyl ethers betaines surfactant, i.e. Shanghai sea just
The product F -1012 that Science and Technology Ltd. provides；Glycine betaine compound by laurylamide propyl group hydroxypropyl sulfobetaines A,
Myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio are
A:B:C=2:3:1 compounding forms.
The low interfacial tension foam flooding finish of the present embodiment is prepared through the following steps：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio is A:B:C=2:3:1 ratio prepares glycine betaine compounding
Thing；
By weight percentage by glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, dodecyl
Polyethenoxy ether sodium sulfate 25%, fluorocarbon surfactant 15%, and water 5% are added in beaker, are stirred, and load reaction
In kettle；Reactor is warming up to 45-50 DEG C；Start reactor, under 400-500r/min mixing speed so that reagent is complete
Dissolving, until stirring, that is, low interfacial tension foam flooding finish is made.
Above-mentioned glycine betaine compound is by laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group
Live on the similar glycine betaine surface of hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines tri- kinds of structures of C
Property agent compound form in proportion, and after compounding the foaming properties of gained system and interfacial activity better than wherein any single beet
The foaming properties and interfacial activity of oil displacement agent system obtained by alkali.
Proportioning test is carried out below for above-mentioned three kinds of glycine betaines, its test result is as shown in table 1.
The foamability test of oil displacement agent system obtained by single glycine betaine：Using warring agitators, rotating speed is
6000rpm, it is stirred vigorously 60 seconds, test condition is room temperature, salinity 3000mg/L, 5000mg/L, 8000mg/L, and amount of solution is
100mL, the mass concentration for testing oil displacement agent are respectively 0.5%.
Oil displacement agent interface active testing obtained by single glycine betaine：Determined with TX-500C types rotating interfacial tensimeter
The oil water interfacial tension performance of low-tension foam flooding system, oil water interfacial tension value change over time, the measure of each sample
Time is 2h, records equilibrium interfacial tension value.According to profit formation temperature, the test temperature of interface tension force chooses 65 DEG C.
Mass concentration is 0.5%.
Table 1
Data illustrate in table 1, and the foaming properties sequence of three kinds of glycine betaines is followed successively by laurylamide propyl group hydroxypropyl sulphur
Base glycine betaine, myristyl amide propyl group hydroxypropyl sulfobetaines, hexadecyl amide propyl group hydroxypropyl sulfobetaines.Three
The interfacial activity sequence of kind glycine betaine is followed successively by hexadecyl amide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group
Hydroxypropyl sulfobetaines, laurylamide propyl group hydroxypropyl sulfobetaines.
The foamability and interfacial activity test condition of glycine betaine compound refer to above-mentioned single glycine betaine with method
Foamability and interfacial activity test condition, the mass concentration of glycine betaine compound test solution is 0.5%, and detailed process is such as
Under：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C is compounded according to different quality ratio, then respectively with 5000mg/L's
Mineralized water is configured to the solution that 100mL mass concentrations are 0.5%, carries out foamability and interfacial activity test, test knot respectively
Fruit is as shown in table 2.
Table 2
According to table 2, the preferable quality proportioning of low interfacial tension foam flooding finish that above-mentioned compound is formed is dodecyl
Amido propyl hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group
Hydroxypropyl sulfobetaines C ratio is A:B:C=2:3:1, i.e. mass percent is A:B:C=25%:37.5%:
12.5%.
Contrast experiment 1：
Using dodecyldimethylammonium hydroxide inner salt D, dodecyldimethylamine base glycine betaine E, Cetyl dimethyl betaine F
With above-mentioned laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines B, ten
Six alkylamide propyl hydroxypropyl sulfobetaines C are replaced contrast experiment respectively, with reference to above-mentioned A:B:C=2:3:1 mass
Than being compounded, then the solution that 100mL mass concentrations are 0.5% is configured to 5000mg/L mineralized water respectively, carried out respectively
Foamability and interfacial activity test, test result are as shown in table 3.
Table 3
| Reagent | D:B:C | A:E:C | A:B:F |
| Ratio | 2:3:1 | 2:3:1 | 2:3:1 |
| Foam volume (ml) | 580 | 670 | 620 |
| Equilibrium interfacial tension (10-2mN/m) | 29.258 | 57.414 | 32.367 |
According to table 3, dodecyldimethylammonium hydroxide inner salt D, dodecyldimethylamine base glycine betaine E, hexadecyldimethyl benzyl ammonium sweet tea
Dish alkali F can greatly improve the foaming properties of system, but the interfacial activity of system declines to a great extent.
Contrast experiment 2：
Contrast experiment is replaced using alpha-olefin sodium sulfonate and alkylpolyoxyethylene sodium sulphate, with reference to above-mentioned A:
B:C=2:3:1 mass ratio carries out compound system, then is configured to 100mL mass concentrations with 5000mg/L mineralized water respectively and is
0.5% solution, carries out foamability and interfacial activity test respectively, and test result is as shown in table 4.
Table 4
| Reagent | Alpha-olefin sodium sulfonate | Alkylpolyoxyethylene sodium sulphate |
| Foam volume (ml) | 615 | 550 |
| Equilibrium interfacial tension (10-2mN/m) | 30.154 | 1.848 |
According to table 4, compared to alkylpolyoxyethylene sodium sulphate, although alpha-olefin sodium sulfonate can greatly improve system
Foaming properties, but the interfacial activity of system declines to a great extent.
Contrast experiment 3：
Using sulfonate type fluorocarbon surfactant FC-15 and both sexes perfluoroalkyl ethers betaines surfactant F-
1012 carry out contrast experiment, with reference to above-mentioned A:B:C=2:3:1 mass ratio carries out compound system, then uses 5000mg/L ore deposit respectively
Change water and be configured to the solution that 100mL mass concentrations are 0.5%, carry out foamability and interfacial activity test, test result respectively
As shown in table 5.
Table 5
| Reagent | FC-15 | F-1012 |
| Foam volume (ml) | 355 | 550 |
| Equilibrium interfacial tension (10-2mN/m) | 53.259 | 1.848 |
According to table 5, compared to both sexes perfluoroalkyl ethers betaines surfactant F-1012, sulfonate type fluorocarbon surface
Activating agent FC-15 reduces the foaming properties of system, while the interfacial activity of system also declines to a great extent.
From above-mentioned contrast experiment 1-3：Embodiment 1 is by laurylamide propyl group hydroxypropyl sulfobetaines A, 14
Alkylamide propyl hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C are according to mass ratio
2:3:The 1 glycine betaine compound being re-dubbed and dodecyl Hydroxypropyl phosphate ester glycine betaine, alkylpolyoxyethylene sulfuric acid
The low interfacial tension foam flooding finish that sodium, fluorocarbon surfactant and water are configured in proportion have concurrently preferable interfacial activity and compared with
High foaming properties, oil water interfacial tension value can be reduced to 10-2MN/m is horizontal.
Embodiment 2
The present embodiment provides a kind of low interfacial tension foam flooding finish, by weight percentage, the low interfacial tension foam
Oil displacement agent includes：Glycine betaine compound 30%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, alkylpolyoxyethylene
Sodium sulphate 10%, fluorocarbon surfactant 10%, water 45%.
Wherein, above-mentioned fluorocarbon surfactant be both sexes perfluoroalkyl ethers betaines surfactant, i.e. Shanghai sea just
The product F -1012 that Science and Technology Ltd. provides；Glycine betaine compound by laurylamide propyl group hydroxypropyl sulfobetaines A,
Myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio are
A:B:C=2:3:1 compounding forms.
The low interfacial tension foam flooding finish of the present embodiment is prepared through the following steps：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C is A according to mass ratio:B:C=2:3:1 ratio prepares glycine betaine and answered
With thing；
By weight percentage by glycine betaine compound 30%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, dodecyl
Polyethenoxy ether sodium sulfate 10%, fluorocarbon surfactant 10%, and water 45% are added in beaker, are stirred, and are loaded anti-
Answer in kettle；Reactor is warming up to 45-50 DEG C；Start reactor, under 400-500r/min mixing speed so that reagent is complete
Fully dissolved, until stirring, that is, low interfacial tension foam flooding finish is made.
Embodiment 3
The present embodiment provides a kind of low interfacial tension foam flooding finish, by weight percentage, the low interfacial tension foam
Oil displacement agent includes：Glycine betaine compound 40%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, alkylpolyoxyethylene
Sodium sulphate 20%, fluorocarbon surfactant 13%, water 22%.
Wherein, above-mentioned fluorocarbon surfactant be both sexes perfluoroalkyl ethers betaines surfactant, i.e. Shanghai sea just
The product F -1012 that Science and Technology Ltd. provides.Glycine betaine compound by laurylamide propyl group hydroxypropyl sulfobetaines A,
Myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio are
A:B:C=2:3:It is prepared by 1 ratio.
The low interfacial tension foam flooding finish of the present embodiment is prepared through the following steps：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C is A according to mass ratio:B:C=2:3:1 ratio prepares glycine betaine and answered
With thing.
By weight percentage by glycine betaine compound 40%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, dodecyl
Polyethenoxy ether sodium sulfate 20%, fluorocarbon surfactant 13%, and water 22% are added in beaker, are stirred, and are loaded anti-
Answer in kettle；Reactor is warming up to 45-50 DEG C；Start reactor, under 400-500r/min mixing speed so that reagent is complete
Fully dissolved, until stirring, that is, low interfacial tension foam flooding finish is made.
Embodiment 4
The present embodiment provides a kind of low interfacial tension foam flooding finish, by weight percentage, the low interfacial tension foam
Oil displacement agent includes：Glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, alkylpolyoxyethylene
Sodium sulphate 20%, fluorocarbon surfactant 10%, water 15%.
Wherein, above-mentioned fluorocarbon surfactant be both sexes perfluoroalkyl ethers betaines surfactant, i.e. Shanghai sea just
The product F -1012 that Science and Technology Ltd. provides.Glycine betaine compound by laurylamide propyl group hydroxypropyl sulfobetaines A,
Myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio are
A:B:C=2:3:It is prepared by 1 ratio.
The low interfacial tension foam flooding finish of the present embodiment is prepared through the following steps：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C is A according to mass ratio:B:C=2:3:1 ratio prepares glycine betaine and answered
With thing.
By weight percentage by glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, dodecyl
Polyethenoxy ether sodium sulfate 20%, fluorocarbon surfactant 10%, and water 15% are added in beaker, are stirred, and are loaded anti-
Answer in kettle；Reactor is warming up to 45-50 DEG C；Start reactor, under 400-500r/min mixing speed so that reagent is complete
Fully dissolved, until stirring, that is, low interfacial tension foam flooding finish is made.
Embodiment 5
The present embodiment provides a kind of low interfacial tension foam flooding finish, by weight percentage, the low interfacial tension foam
Oil displacement agent includes：Glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, alkylpolyoxyethylene
Sodium sulphate 10%, fluorocarbon surfactant 13%, water 22%.
Wherein, above-mentioned fluorocarbon surfactant be both sexes perfluoroalkyl ethers betaines surfactant, i.e. Shanghai sea just
The product F -1012 that Science and Technology Ltd. provides.Glycine betaine compound by laurylamide propyl group hydroxypropyl sulfobetaines A,
Myristyl amide propyl group hydroxypropyl sulfobetaines B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C mass ratio are
A:B:C=2:3:It is prepared by 1 ratio.
The low interfacial tension foam flooding finish of the present embodiment is prepared through the following steps：
By laurylamide propyl group hydroxypropyl sulfobetaines A, myristyl amide propyl group hydroxypropyl sulfobetaines
B, hexadecyl amide propyl group hydroxypropyl sulfobetaines C is A according to mass ratio:B:C=2:3:1 ratio prepares glycine betaine and answered
With thing.
By weight percentage by glycine betaine compound 50%, dodecyl Hydroxypropyl phosphate ester glycine betaine 5%, dodecyl
Polyethenoxy ether sodium sulfate 10%, fluorocarbon surfactant 13%, and water 22% are added in beaker, are stirred, and are loaded anti-
Answer in kettle；Reactor is warming up to 45-50 DEG C；Start reactor, under 400-500r/min mixing speed so that reagent is complete
Fully dissolved, until stirring, that is, low interfacial tension foam flooding finish is made.
Test case：
Low interfacial tension foam flooding finish made from above-described embodiment 1-5 is carried out simulated experiment by this test case.
Foamability is tested：Using warring agitators, rotating speed 6000rpm is stirred vigorously 60 seconds, and test condition is
Room temperature, salinity 5000mg/L, amount of solution 100mL, the mass concentration of test is respectively 0.5%.
Interfacial activity is tested：With the profit of TX-500C types rotating interfacial tensimeter measure low-tension foam flooding system
Interfacial tension performance, oil water interfacial tension value change over time, and the minute of each sample is 2h, record equilibrium interfacial tension
Value.According to profit formation temperature, the test temperature of interface tension force chooses 65 DEG C.Mass concentration is 0.5%.
Imitation oil displacement experiment is tested：The displacement physical simulation experiment of low interfacial tension foam flooding finish uses single tube core flooding mould
Type, core are artificial core, average diameter 2.5cm, average length 10cm.Test water is Dagang Oilfield Ma Xi stratum water, examination
Test with the compounding simulation oil (crude oil that oil is the western crude oil of Dagang Oilfield horse and kerosene：Kerosene=1：4).Test temperature is 65 DEG C, note
It is 0.5ml/min to enter speed.The testing procedure of this test case is：(1) core is evacuated 24 hours, with simulated formation water saturation rock
Core, determine the pore volume and porosity of core.At (2) 65 DEG C, simulation oil saturation core, injection rate 2.0PV, crude oil is calculated
Saturation degree.(3) stratum water drive calculates waterflood recovery efficiency factor to aqueous 98%.(4) low-tension foam flooding, 0.5PV is injected, it is extremely aqueous
98%, calculate recovery ratio.Test result is as shown in table 6.
Table 6
From the data in table 6, it can be seen that there is preferable interfacial activity as the low interfacial tension foam flooding finish obtained by embodiment 1-5
Higher frothing capacity, its foam height are attained by more than 5 times of starting solution volume, interfacial tension value can reach compared with
Low 10-2MN/m is horizontal, improves recovery ratio more than 10%.
From above-mentioned test case and embodiment 1-5, the glycine betaine provided by the invention by 30-50wt%, the ten of 5wt%
Dialkyl group Hydroxypropyl phosphate ester glycine betaine, 10-25wt% alkylpolyoxyethylene sodium sulphate, 10-15wt% fluorine carbon
Surfactant, surplus are that the low interfacial tension foam flooding finish that water is formed has preferable interfacial activity and higher foaming characteristic
Can, there is preferable oil-displacement capacity.This has the oil displacement agent of foaming characteristic and interfacial activity concurrently, and raw material is easy to get, and cost is low, preparation technology
The features such as simple, can be while reducing oil water interfacial tension, improving oil displacement efficiency, and can improves sweep efficiency, reaches notable
The purpose of recovery ratio is improved, suitable in Oil Field application.
Claims (10)
- A kind of 1. low interfacial tension foam flooding finish, it is characterised in that：By percentage to the quality, the low interfacial tension foam flooding Finish includes following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10-25% dodecyls Polyethenoxy ether sodium sulfate, 10-15% fluorocarbon surfactants, surplus are water；Wherein, the glycine betaine includes laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl One or more of combinations in base sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines.
- 2. low interfacial tension foam flooding finish according to claim 1, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10-25% alkylpolyoxyethylenes sodium sulphate, 10-15% fluorocarbon surfactants, surplus are water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:(1-3):(1-3) is mixed.
- 3. low interfacial tension foam flooding finish according to claim 2, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：30-50% glycine betaines, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10-25% alkylpolyoxyethylenes sodium sulphate, 10-15% fluorocarbon surfactants, surplus are water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
- 4. the low interfacial tension foam flooding finish according to claim any one of 1-3, it is characterised in that：The fluorocarbon surface Activating agent includes both sexes perfluoroalkyl ethers betaines surfactant.
- 5. low interfacial tension foam flooding finish according to claim 4, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：50% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 25% alkylpolyoxyethylene sodium sulphate, 15% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
- 6. low interfacial tension foam flooding finish according to claim 4, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：30% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 10% alkylpolyoxyethylene sodium sulphate, 10% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
- 7. low interfacial tension foam flooding finish according to claim 4, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：40% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 20% alkylpolyoxyethylene sodium sulphate, 13% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
- 8. low interfacial tension foam flooding finish according to claim 4, it is characterised in that：By percentage to the quality, it is described Low interfacial tension foam flooding finish includes following component：50% glycine betaine, 5% dodecyl Hydroxypropyl phosphate ester glycine betaine, 20% alkylpolyoxyethylene sodium sulphate, 10% both sexes perfluoroalkyl ethers betaines surfactant, surplus is water；Wherein, the glycine betaine is by laurylamide propyl group hydroxypropyl sulfobetaines, myristyl amide propyl group hydroxypropyl Sulfobetaines and hexadecyl amide propyl group hydroxypropyl sulfobetaines are 2 in mass ratio:3:1 mixes.
- 9. the preparation method of any one of the claim 1-8 low interfacial tension foam flooding finishes, it comprises the following steps：Successively by glycine betaine, dodecyl Hydroxypropyl phosphate ester glycine betaine, alkylpolyoxyethylene sulfuric acid at 45-50 DEG C Sodium, fluorocarbon surfactant and water are added in reactor, surplus by being gradually added then under 400-500r/min mixing speed The water of surplus, is completely dissolved reagent, until low interfacial tension foam flooding finish is made after stirring.
- 10. any one of the claim 1-8 low interfacial tension foam flooding finishes exist in the application in oil extraction field, its feature In：The mass concentration of the low interfacial tension foam flooding finish in aqueous is 0.5%-1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056035.7A CN107880865B (en) | 2017-11-01 | 2017-11-01 | Low-interfacial-tension foam oil displacement agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056035.7A CN107880865B (en) | 2017-11-01 | 2017-11-01 | Low-interfacial-tension foam oil displacement agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107880865A true CN107880865A (en) | 2018-04-06 |
| CN107880865B CN107880865B (en) | 2020-03-10 |
Family
ID=61783508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711056035.7A Active CN107880865B (en) | 2017-11-01 | 2017-11-01 | Low-interfacial-tension foam oil displacement agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107880865B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777393A (en) * | 2019-03-19 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of foam flooding finish |
| CN112812761A (en) * | 2021-01-15 | 2021-05-18 | 四川省威沃敦化工有限公司 | Foaming agent with high temperature resistance, high salt content and high condensate oil content as well as preparation method and application thereof |
| CN113667465A (en) * | 2021-08-04 | 2021-11-19 | 中国石油天然气股份有限公司 | Surfactant for improving recovery ratio based on static emulsification and preparation method thereof |
| CN113929535A (en) * | 2021-12-02 | 2022-01-14 | 安徽富瑞雪化工科技股份有限公司 | Environment-friendly anti-blocking agent for compound fertilizer and preparation method thereof |
| CN113943564A (en) * | 2021-10-26 | 2022-01-18 | 扬州润达油田化学剂有限公司 | Compound ultra-low interfacial tension surfactant and preparation method thereof |
| CN114540002A (en) * | 2020-11-24 | 2022-05-27 | 中国石油天然气股份有限公司 | Salt-tolerant low-interfacial-tension foam oil displacement agent |
| CN115434676A (en) * | 2021-06-01 | 2022-12-06 | 中国石油天然气股份有限公司 | Foam discharging agent for gas recovery of foam drainage of gas well and use method thereof |
| CN116265564A (en) * | 2021-12-17 | 2023-06-20 | 中国石油天然气股份有限公司 | Foam system for clastic rock oil reservoir and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074358A (en) * | 1990-07-03 | 1991-12-24 | Alberta Oil Sands Technology And Research Authority | Surfactant-stabilized foams for enhanced oil recovery |
| US20080171669A1 (en) * | 2004-12-28 | 2008-07-17 | Conocophillips Company | Method and composition for removing filter cake from a horizontal wellbore using a stable acid foam |
| CN102020981A (en) * | 2010-10-27 | 2011-04-20 | 山东大学 | Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof |
| CN102140338A (en) * | 2011-01-04 | 2011-08-03 | 中国石油大学(华东) | Fluorocarbon surfactant binary composite foam flooding system |
| CN103254884A (en) * | 2013-05-27 | 2013-08-21 | 上海大学 | High-efficient foam compound flooding agent for tertiary oil recovery and preparation method thereof |
| CN103773351A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Foam composition for gas displacement of high salinity oil reservoir, preparation method and application |
| CN106281284A (en) * | 2015-06-08 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of foam flooding foaming agent and preparation method thereof |
| CN106479470A (en) * | 2015-08-31 | 2017-03-08 | 中国石油化工股份有限公司 | Improve low-tension foaming agent and the flooding method of heterogeneous reservoir oil recovery factor |
-
2017
- 2017-11-01 CN CN201711056035.7A patent/CN107880865B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074358A (en) * | 1990-07-03 | 1991-12-24 | Alberta Oil Sands Technology And Research Authority | Surfactant-stabilized foams for enhanced oil recovery |
| US20080171669A1 (en) * | 2004-12-28 | 2008-07-17 | Conocophillips Company | Method and composition for removing filter cake from a horizontal wellbore using a stable acid foam |
| CN102020981A (en) * | 2010-10-27 | 2011-04-20 | 山东大学 | Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof |
| CN102140338A (en) * | 2011-01-04 | 2011-08-03 | 中国石油大学(华东) | Fluorocarbon surfactant binary composite foam flooding system |
| CN103773351A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Foam composition for gas displacement of high salinity oil reservoir, preparation method and application |
| CN103254884A (en) * | 2013-05-27 | 2013-08-21 | 上海大学 | High-efficient foam compound flooding agent for tertiary oil recovery and preparation method thereof |
| CN106281284A (en) * | 2015-06-08 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of foam flooding foaming agent and preparation method thereof |
| CN106479470A (en) * | 2015-08-31 | 2017-03-08 | 中国石油化工股份有限公司 | Improve low-tension foaming agent and the flooding method of heterogeneous reservoir oil recovery factor |
Non-Patent Citations (1)
| Title |
|---|
| 余婷，等: "低界面张力泡沫驱油剂的制备及其性能", 《石油化工》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777393A (en) * | 2019-03-19 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of foam flooding finish |
| CN109777393B (en) * | 2019-03-19 | 2020-04-14 | 中国石油化工股份有限公司 | Foam oil displacement agent |
| CN114540002A (en) * | 2020-11-24 | 2022-05-27 | 中国石油天然气股份有限公司 | Salt-tolerant low-interfacial-tension foam oil displacement agent |
| CN114540002B (en) * | 2020-11-24 | 2023-04-25 | 中国石油天然气股份有限公司 | Salt-resistant low-interfacial tension foam oil displacement agent |
| CN112812761A (en) * | 2021-01-15 | 2021-05-18 | 四川省威沃敦化工有限公司 | Foaming agent with high temperature resistance, high salt content and high condensate oil content as well as preparation method and application thereof |
| CN115434676A (en) * | 2021-06-01 | 2022-12-06 | 中国石油天然气股份有限公司 | Foam discharging agent for gas recovery of foam drainage of gas well and use method thereof |
| CN113667465A (en) * | 2021-08-04 | 2021-11-19 | 中国石油天然气股份有限公司 | Surfactant for improving recovery ratio based on static emulsification and preparation method thereof |
| CN113943564A (en) * | 2021-10-26 | 2022-01-18 | 扬州润达油田化学剂有限公司 | Compound ultra-low interfacial tension surfactant and preparation method thereof |
| CN113929535A (en) * | 2021-12-02 | 2022-01-14 | 安徽富瑞雪化工科技股份有限公司 | Environment-friendly anti-blocking agent for compound fertilizer and preparation method thereof |
| CN116265564A (en) * | 2021-12-17 | 2023-06-20 | 中国石油天然气股份有限公司 | Foam system for clastic rock oil reservoir and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107880865B (en) | 2020-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107880865A (en) | A kind of low interfacial tension foam flooding finish and preparation method thereof | |
| CN102020981B (en) | Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof | |
| CN102127414B (en) | Microemulsion-type fracture acidizing cleanup additive, and preparation method and application thereof | |
| CN104893702B (en) | One kind is used to contain H2The foam discharging agent of the water-producing gas well water pumping gas production of S gases | |
| CN105154055B (en) | A kind of ultralow interfacial tension foam flooding system and its application method | |
| CN104974730B (en) | A kind of foam discharging agent and the preparation method and application thereof of high temperature resistance, high salinity | |
| CN103964726B (en) | Earth pressure balanced shield, EPBS foaming agent | |
| CN106318358A (en) | Green and environmentally friendly foam oil displacement system based on alkyl glycoside and preparation method and application thereof | |
| CN105154053A (en) | Foam scrubbing agent as well as preparation method and application thereof | |
| CN103834379B (en) | A kind of vermiculate glues foam system and the method improving recovery ratio with it | |
| CN114196389B (en) | Ultralow interfacial tension self-assembly carbon dioxide foam oil displacement agent suitable for low-permeability oil reservoir, and preparation method and application thereof | |
| CN111944506B (en) | Pressure-reducing and injection-increasing active agent and preparation method thereof | |
| CN106433597A (en) | Foaming drainage agent, preparation method and application | |
| CN110317595B (en) | High calcium magnesium reservoir CO2Foam foaming liquid composition and preparation method and application method thereof | |
| CN106905947A (en) | A kind of displacement of reservoir oil fracturing fluid and preparation method and application | |
| CN106928945A (en) | A kind of self-generating foam well killing fluid and preparation method thereof and self-generating foam composition | |
| CN110003875B (en) | Slow-release liquid-carrying sand-carrying foam discharging agent and preparation method thereof | |
| CN106350052A (en) | Application of long-chain tertiary amine as CO2 foam flooding foam-generating and foam-stabilizing agent | |
| CN106244131B (en) | A kind of fracturing high-temperature microemulsion cleanup additive and preparation method thereof | |
| CN104892467A (en) | Synthetic method for alcohol ether sulfate salt foaming agent | |
| CN104498016A (en) | Foam agent used in carbon-dioxide flooding and preparation method of foam agent | |
| CN104312568A (en) | Negative-nonionic sulfonate high-temperature foamer for oil extraction | |
| CN106367054A (en) | Water block removing agent and preparation method thereof | |
| CN104449620A (en) | Oil displacing microemulsified acid system for acidizing plugging removal and preparation method of system | |
| CN109749728A (en) | A kind of pressure break blistering cleanup additive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |