CN107456917A - The preparation method of double cropping ammonium cation Gemini surface active and the surfactant solution for including it - Google Patents
The preparation method of double cropping ammonium cation Gemini surface active and the surfactant solution for including it Download PDFInfo
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- CN107456917A CN107456917A CN201710631028.9A CN201710631028A CN107456917A CN 107456917 A CN107456917 A CN 107456917A CN 201710631028 A CN201710631028 A CN 201710631028A CN 107456917 A CN107456917 A CN 107456917A
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- surface active
- ammonium cation
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- 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
- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
- C09K23/16—Amines or polyamines
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- 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
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- 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
- C09K8/588—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 polymers
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Abstract
A kind of preparation method of double cropping ammonium cation Gemini surface active and water injection well increasing injection surfactant solution comprising the double cropping ammonium cation Gemini surface active and preparation method thereof, the preparation method of the double cropping ammonium cation Gemini surface active is included in a solvent, domiphen and lauryl alcohol glycidol ether are subjected to solution polymerization, back flow reaction is for a period of time；The water injection well increasing injection surfactant solution comprising the double cropping ammonium cation Gemini surface active includes double cropping ammonium cation Gemini surface active and 70~60 mass parts water that 30~40 mass parts are prepared according to as above method；The method for preparing water injection well increasing injection surfactant solution includes double cropping ammonium cation Gemini surface active and water being stirred.The water injection well increasing injection surfactant of the application can significantly reduce fluid interfacial tension, have the ability of certain change rock wettability, reduce water injection pressure.
Description
Technical field
The application relates to, but are not limited to oilfield chemistry application field, and in particular to but it is not limited to a kind of double cropping ammonium cation
The preparation method of Gemini surface active, and the decompression of the water injection well comprising the double cropping ammonium cation Gemini surface active increase
Note surfactant solution and preparation method thereof.
Background technology
The viscosity of crude of heavy crude reservoir is higher, and the asphalitine in viscous crude and the absorption of other polar substances on stream exists
On oil-water interfaces and oil rock interface, one layer of sticky thick film is formed, oil-water emulsion is stabilized, changes rock wettability, this
When crude oil mobility it is very poor.The oil film of residual oil in pore throat, oil droplet and rock surface simultaneously, makes effective pore throat quantity
Reduce, effective pore throat radius reduces, and effective permeability reduces, situations such as easily causing Final pollution.Lived toward stratum injection surface
Property agent system can reduce interfacial tension, increase the solvability of crude oil, emulsify larger oil droplet in pore throat and be deformed into small oil droplet, shape
Into oil-in-water type (O/W types) emulsion, after emulsification of crude oil enters in aqueous phase, emulsion gets up compared to crude oil flow more to be held
Easily, flowed together using emulsifying entrainment mechanism i.e. emulsion and carry by aqueous phase, clean near wellbore zone dead oil, reduced residual oil and satisfy
With degree and filtrational resistance, water phase permeability is improved, reaches the purpose of increasing injection.
The content of the invention
It is the general introduction of the theme to being described in detail herein below.It is to limit the protection model of claim that this general introduction, which is not,
Enclose.
The purpose of the application is to provide a kind of method for preparing double cropping ammonium cation Gemini surface active.
The method for preparing double cropping ammonium cation Gemini surface active provided herein, including：In a solvent, will
Domiphen and lauryl alcohol glycidol ether carry out solution polymerization, and back flow reaction for a period of time, produces described double
Quaternary ammonium cation Gemini surface active.
In presently filed embodiment, the molar ratio of the domiphen and lauryl alcohol glycidol ether
Can be 4~6:1.
In presently filed embodiment, the molar ratio of the domiphen and lauryl alcohol glycidol ether
Can be 5:1.
In this application, the dosage of solvent is not strict with, as long as domiphen and lauryl alcohol can be dissolved
Glycidol ether.
In presently filed embodiment, the solution polymerization is carried out under the initiation of initiator, the initiator
Can be hydrochloric acid.
Alternatively, the initiator is the hydrochloric acid that concentration is 15wt%.
In presently filed embodiment, the mol ratio of the initiator and domiphen can be 1:2.
In presently filed embodiment, the solvent can be isopropanol or ethanol.
In presently filed embodiment, the reaction temperature of the solution polymerization can be 90~100 DEG C.
In presently filed embodiment, described a period of time can be 40~50 hours.
The another object of the application is to provide the water injection well drop comprising above-mentioned double cropping ammonium cation Gemini surface active
Press augmented injection surfactant solution.
Water injection well increasing injection surfactant solution provided herein includes 30~40 mass parts will according to right
Seek double cropping ammonium cation Gemini surface active and 70~60 mass parts water prepared by the method any one of 1-8.
The further object of the application is to provide the method for preparing above-mentioned water injection well increasing injection surfactant solution.
The method for preparing above-mentioned water injection well increasing injection surfactant solution provided herein, including by the matter
The double cropping ammonium cation Gemini surface active and water for measuring part are stirred, and produce the water injection well increasing injection surface-active
Agent solution.
The application has the advantages that：
1st, the surface tension of the water injection well increasing injection surfactant solution of the application and interfacial tension are low, water injection well drop
When pressing the dosage of augmented injection surfactant to be 500mg/L, so that it may so that oil-light-liquid interfacial tension is less than 1；
2nd, the water injection well increasing injection surfactant solution of the application can increase contact angle of the water droplet on slide, make
The wetability of water droplet moves by hydrophilic to oleophylic direction, has certain change rock wettability ability；
3rd, the water injection well increasing injection surfactant solution of the application, water injection pressure can be made to reduce by 50%；It is being increased to
During same water injection pressure, injection rate can be made to increase by 50%.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the application.The purpose of the application and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and a part for constitution instruction, with this
The embodiment of application is used for the technical scheme for explaining the application together, does not form the limitation to technical scheme.
Fig. 1 is that 18-1# artificial cores note the displacement pressure change curve after 40PV scenes injection water.
Fig. 2 is the scene that 23# artificial cores note the water injection well increasing injection surfactant solution that 60PV contains embodiment 2
The displacement pressure change curve injected after water.
Embodiment
For the purpose, technical scheme and advantage of the application are more clearly understood, below in conjunction with accompanying drawing to the application
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Experimental method used in following embodiments is conventional method unless otherwise specified.
Material used and reagent etc., unless otherwise specified, are commercially obtained in following embodiments.
Embodiment 1
The preparation of double cropping ammonium cation Gemini surface active
In molar ratio 5:1 adds domiphen and lauryl alcohol glycidol ether into 100ml four-hole boiling flasks, then adds
Enter ethanol in proper amount and make solvent, load onto condenser pipe and agitating device.Adding 1/2 concentration that mole is domiphen is
15wt% hydrochloric acid, after the white haze in system disappears, power-on heating, 95 DEG C are to slowly warm up to, back flow reaction 4 hours.
Detect reaction process (solvent ethanol:Methanol:The mol ratio of acetone is 4:2:L, iodine smoke colour developing).
After reaction terminates, solvent is distilled off first, then the complete domiphen of unreacted is washed off with petroleum ether, most
Acetone or re-crystallizing in ethyl acetate are used afterwards, obtain white plates crystal, as double cropping ammonium cation Gemini surface active.
Embodiment 2
The preparation of water injection well increasing injection surfactant solution
The double cropping ammonium cation Gemini surface active for taking 30g embodiments 1 to prepare is added in beaker, under agitation
70g running water is added into beaker, is stirred 10 minutes with 500 revs/min of speed, that is, obtains water injection well increasing injection surface-active
Agent solution.
Test case
1st, the water injection well increasing injection surfactant solution prepared using " suspension ring method " and " rock core displacement method " to example 2
Evaluated.
(1) surface tension for the water injection well increasing injection surfactant solution that utilization " suspension ring method " is prepared to embodiment 2
Investigated with interfacial tension.Test result is as shown in table 1.
Table/interfacial tension experimental data of water injection well increasing injection surfactant solution under 1 different dosages of table
As it can be seen from table 1 when the dosage of water injection well increasing injection surfactant solution is 500mg/L, so that it may so that
Oil-light-liquid interfacial tension is less than 1, shows that water injection well increasing injection surfactant solution prepared by embodiment 2 is in dosage
With the preferable ability for reducing surface/interface tension force during more than 500mg/L.
2nd, the water injection well increasing injection surfactant solution that " rock core displacement method " is prepared to embodiment 2 is utilized to rock core
Injection decompression ability is tested.Test result is see table 2 and Fig. 1-2.
Influence of the surfactant concentration of table 2 to antihypertensive effect
Water injection well increasing injection prepared by the embodiment 2 of four kinds of various concentrations is injected it can be seen from the experimental data of table 2
During surfactant solution, pressure has a reduction, but the drop of the water injection well increasing injection surfactant solution of various concentrations
Pressure degree difference is larger, and when wherein concentration is less than 3000mg/l, antihypertensive effect is limited；Antihypertensive effect is most when concentration is 5000mg/l
It is good, injection pressure can be made to reduce by 44%；When concentration is higher than 5000mg/l, there is no significant change for antihypertensive effect.Therefore,
5000mg/l is the optium concentration for injecting surfactant solution, can give full play to the increasing injection effect of surfactant,
Injection pressure is greatly lowered.
After 18-1# artificial cores note scene injection water 40PV it can be seen from Fig. 1 and Fig. 2 experimental data, displacement pressure
Rise and doubled to 0.023Mpa from 0.0115Mpa；Live on water injection well increasing injection surface of the 23# artificial cores note containing embodiment 2
Property agent solution scene injection water 60PV after, displacement pressure rises from 0.013Mpa and doubled to 0.026Mpa.Water is injected at the scene
After the water injection well increasing injection surfactant of middle addition embodiment 2 so that the injection rate of scene injection water adds 20PV, i.e.,
Injection rate adds 50%, shows the water injection well increasing injection surfactant of embodiment 2 and has relatively good increasing injection effect
Fruit.
Although the embodiment disclosed by the application is as above, described content is only to readily appreciate the application and use
Embodiment, it is not limited to the application.Technical staff in any the application art, is taken off not departing from the application
On the premise of the spirit and scope of dew, any modification and change, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of method for preparing double cropping ammonium cation Gemini surface active, methods described include：In a solvent, by 12
Alkyl dimethylamine and lauryl alcohol glycidol ether carry out solution polymerization, and back flow reaction for a period of time, produces double quaternary ammoniums
Cationic Gemini Surfactant.
2. according to the method for claim 1, wherein, the domiphen feeds intake with lauryl alcohol glycidol ether
Mol ratio is 4~6:1.
3. according to the method for claim 2, wherein, the domiphen feeds intake with lauryl alcohol glycidol ether
Mol ratio is 5:1.
4. according to the method for claim 1, wherein, the solution polymerization is carried out under the initiation of initiator, described
Initiator is hydrochloric acid；Alternatively, it is hydrochloric acid that concentration is 15wt%.
5. according to the method for claim 4, wherein, the mol ratio of the initiator and domiphen is 1:2.
6. according to the method for claim 1, wherein, the solvent is isopropanol or ethanol.
7. according to the method for claim 1, wherein, the reaction temperature of the solution polymerization is 90~100 DEG C.
8. according to the method for claim 1, wherein, described a period of time is 40~50 hours.
9. a kind of water injection well increasing injection surfactant solution, the surfactant solution include 30~40 mass parts according to
Double cropping ammonium cation Gemini surface active and 70~60 mass parts prepared by the method any one of claim 1-8
Water.
10. a kind of method for preparing water injection well increasing injection surfactant solution according to claim 9, methods described
Including the double cropping ammonium cation Gemini surface active and water of the mass parts are stirred, the water injection well decompression is produced
Augmented injection surfactant solution.
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| CN201710631028.9A CN107456917B (en) | 2017-07-28 | 2017-07-28 | Preparation method of double quaternary ammonium cation Gemini surfactant and surfactant solution containing same |
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| CN201710631028.9A CN107456917B (en) | 2017-07-28 | 2017-07-28 | Preparation method of double quaternary ammonium cation Gemini surfactant and surfactant solution containing same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115160491A (en) * | 2022-07-26 | 2022-10-11 | 四川禾创智源新材料有限公司 | Gemini surfactant modified polymer and preparation method thereof |
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Cited By (2)
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|---|---|---|---|---|
| CN115160491A (en) * | 2022-07-26 | 2022-10-11 | 四川禾创智源新材料有限公司 | Gemini surfactant modified polymer and preparation method thereof |
| CN115160491B (en) * | 2022-07-26 | 2023-06-23 | 四川禾创智源新材料有限公司 | Gemini surfactant modified polymer and preparation method thereof |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: China Oilfield Services Limited Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: China Oilfield Services Limited |
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