CN106590576A - Steam foam compound flooding composition and preparation method thereof - Google Patents
Steam foam compound flooding composition and preparation method thereof Download PDFInfo
- Publication number
- CN106590576A CN106590576A CN201510683606.4A CN201510683606A CN106590576A CN 106590576 A CN106590576 A CN 106590576A CN 201510683606 A CN201510683606 A CN 201510683606A CN 106590576 A CN106590576 A CN 106590576A
- Authority
- CN
- China
- Prior art keywords
- steam
- long
- chain
- foam
- foaming agent
- 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
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Abstract
The invention relates to a steam foam compound flooding composition and a preparation method thereof. The composition mainly solves the problems that in the steam foam compound flooding oil extraction process in the prior art, a foaming agent precipitates when facing divalent ions, and formed foam has low plugging capability. The steam foam compound flooding composition comprises a long-chain polyether nitrogen containing compound, long-chain diaryl sulfonate, mineralized water and gas, and steam; the long chain polyether nitrogen containing compound and long-chain diaryl sulfonate are dissolved in mineralized water and are mixed with gas and steam in order to form foam, wherein the long-chain polyether nitrogen containing compound comprises the molecular general formula shown in the formula (I), and the long-chain diaryl sulfonate surfactant has the molecular general formula shown in the formula (II). The technical scheme can better solve the problem, in the condition that mineralization is 0-300000mg/L and temperature is 200 DEG C, formed foam resistance factor reaches 100, and the composition can be used in the steam foam compound flooding process.
Description
Technical field
The present invention relates to a kind of steam combination flooding foam compositions and preparation method.
Background technology
China's viscous crude resource is quite enriched.Viscous crude has the characteristics of viscosity is high, density is big, and development difficulty increases, development effectiveness
Difference.Steam drives and cyclic steam injection tech is the Main Means for developing viscous crude at present, but due to density between steam and profit and viscosity
Difference, causes steam onlap flowing and Character of Viscous Finger in oil reservoir, the serious oil reservoir of anisotropism steamchanneling occur.
Foam assisted steam flooding is that foaming agent is added during steam injection, and foam is a kind of compressible non-Newtonian fluid,
Seepage flow has selectivity in the earth formation, and displacement is carried out in the form of aerated fluid, can selectively block high permeability zone, change
The injection profile that kind steam drives, increases sweep efficiency, effectively suppresses onlap and the channelling of steam.
The resistant to elevated temperatures foaming agent that the steam of report drives at present mainly has fatty acid sodium salt, alpha-alkene sulfonate, alkylaryl
Sulfonate etc..Such as document《Oilfield chemistry》1000-4092 (2010) 02-0196-04 provides one kind with mass fraction as 0.5%
Tall oil fatty acid sodium-salt based on agent steam drive resistant to elevated temperatures foaming agent, be applied to formation water salinity be 1500m
Gram/L, wherein in the stratum of calcium ions and magnesium ions content 15.16mg/L.For another example document US055148, CN88103174.7 are selected
Mean molecule quantity be at least 400 alkylaryl sulfonatess, alpha-alkene sulfonate, the component such as alpha-alkene sulfonate dimer
In one or more, using the agent as foaming host cause the salt resistant character of system limited, so the system be suitable for model
Enclose to include the water phase of the electrolyte of 100～50,000mg/L.
The content of the invention
One of the technical problem to be solved is that foam present in existing steam bubble compound petroleum driving and recovering process is resistance to
Salt ability, a kind of little problem of the foam sweep efficiency of formation, there is provided new steam combination flooding foam compositions.The combination
Thing will not be formed compound steam foam and is had with ion precipitation with the stratum water condition of 0～300000mg/L of salinity
The advantages of resistance factor is high.
The two of the technical problem to be solved are to provide a kind of foam compositions corresponding with technical problem one is solved
Preparation method.
To solve one of above-mentioned technical problem, the technical solution used in the present invention is as follows：A kind of steam combination flooding foam composition
Thing, including：
(1) foaming agent combination aqueous solution；
(2) gas；
(3) steam；
Wherein, foaming agent combination aqueous solution and the volume ratio of gas are 1:(0.2～20)；The foaming agent combination, to rub
You include 1 part of long-chain polyether nitrogen-containing compound and 0.1～50 part of long-chain diaryl sulfosalt surfactant by number meter；With
Contained long-chain diaryl sulfonate and the total quality meter of long-chain polyether nitrogen-containing compound, steep in the foaming agent combination aqueous solution
The concentration of foam agent compositionss is 0.1～2wt%；The steam is 0～5 with the volume ratio of gas:1；
The long-chain polyether nitrogen-containing compound, with the general molecular formula shown in formula (I)：
The long-chain diaryl sulfosalt surfactant, with the general molecular formula shown in formula (II)：
In formula (I), the R1 is C10～C26Fat-based；Y=0～20, z=0～60；R4, R5 are C1～C5Alkyl,
Any one in replacement alkyl；R6, R7 are C1～C5Alkylidene, any one in substituted alkylene；Y is selected from
Molecule shown in formula (I) is made to be in electroneutral anionic group；In formula (II), the R2 is C10～C26Fat-based；Institute
R3 is stated for C0～C26Fat-based；N, m are 0～3 integer or decimal and n+m>1；L is O, S ,-(CH2)1-3-、
-OC2H4O-、-OC3H6One kind in O-；X is the one kind in alkali metal, alkaline-earth metal or ammonium salt, and when X is alkali gold
When category or ammonium salt, a=n, b=m, when X is alkaline-earth metal, a=n/2, b=m/2.
In above-mentioned technical proposal, the water in the foaming agent combination aqueous solution can be oil well-known to those skilled in the art
All kinds of water quality of the field displacement of reservoir oil, can be deionized water, clear water, sewage etc., and the water containing inorganic mineral, and contain nothing
The water of machine mineral can be tap water, oil field stratum water or oilfield injection water；For example but not limit selected from mineralized water, mineralising
Spend for 0～300000mg/L.
In above-mentioned technical proposal, the gas can also be that oil field well-known to those skilled in the art is used for all kinds of of foam flooding
Gas, it can be nitrogen for example but not to limit, carbon dioxide, the gas such as air.
In above-mentioned technical proposal, the R1For C10～C26Fat-based, can be containing acyl group, carbonyl, ether, hydroxyl etc.
Group, can be saturated carbon chains, it is also possible to containing unsaturated carbon chains, as preferred R1Preferred version be C10～C20Alkane
Base, alkylbenzene.
In above-mentioned technical proposal, the R4、R5For C1～C5Alkyl, replace alkyl in any one；R6、R7For
C1～C5Alkylidene, any one in substituted alkylene；Substituent group in wherein described replacement alkyl, substituted alkylene
Can be the substituted radicals such as hydroxyl substituent, halogenic substituent.
In above-mentioned technical proposal, the R7Preferably C2H4Or C3H6。
In above-mentioned technical proposal, as long as the Y makes general molecular formula (I) in electroneutral anionic group, for example
But do not limit Y and preferably be selected from-COO—、-SO3 —、-HPO4 —In at least one, more preferably-COO—、-SO3 —
In at least one.
In above-mentioned technical proposal, the preferred version of the z is that 30 are less than or equal to more than 0.
In above-mentioned technical proposal, the preferred version of the y is more than 0.
In above-mentioned technical proposal, the R2For C10～C26Fat-based, can be containing acyl group, carbonyl, ether, hydroxyl etc.
Group, can be saturated carbon chains, it is also possible to containing unsaturated carbon chains, as the preferred R2Preferred version be C12～C20
Alkyl.
In above-mentioned technical proposal, the R3For H or C1～C26Fat-based, acyl group, carbonyl, ether, hydroxyl can be contained
The groups such as base, can be saturated carbon chains, it is also possible to containing unsaturated carbon chains, as preferred R3Preferred version be H or C1～C16
Alkyl.
In above-mentioned technical proposal, the preferred version K of the X+、Na+、NH4 +In at least one.
In above-mentioned technical proposal, the long-chain polyether nitrogen-containing compound is preferably with the mol ratio of long-chain diaryl sulfonate
1:0.2～10；In the foaming agent combination aqueous solution, the concentration of foaming agent combination is 0.1～0.5wt%.
In above-mentioned technical proposal, the y is more than 0 more than 0, z.
To solve the two of above-mentioned technical problem, the technical solution used in the present invention is as follows：A kind of preparation method of foam compositions,
Comprise the following steps：
(1) the desired amount of long-chain diaryl sulfonate, long-chain polyether nitrogen-containing compound are dissolved in into ore deposit according to required mol ratio
Change in water, after mixing, obtain described foaming agent combination aqueous solution；
(2) the desired amount of foaming agent combination aqueous solution and the desired amount of gas, steam are realized into gas-liquid mixed, obtains institute
State steam combination flooding foam compositions.
In the foaming agent combination of the present invention, long-chain diaryl sulfonate belongs to Shuangzi type from structure so that its salt tolerance has
Very big raising, the agent can keep clear in the mineralized water of salinity 300000mg/L；Long-chain polyether nitrogen
Compound is due to the functional group simultaneous with yin, yang both sexes, while also non-ionic fragment, it may have preferable salt tolerance；
After two kinds of components compounding, the anionicsite of long-chain diaryl sulfonate and the cationic moiety of long-chain polyether quaternary ammonium salt, due to
Electrostatic attraction effect between anions and canons foam opposite charges polar group so that foam agent molecule adsorbance on the surface
Increase, so as to the incomparable interface arrangement density of single foam, the diffusion of the gas of obstruction by liquid film is allowed to
It is more readily formed and stable foam.And two kinds of components all do not contain the easy group for hydrolyzing so which can apply to high salt oil
During the steam nitrogen displacement of reservoir oil of Tibetan.
The present invention for steam bubble combination flooding compositionss, can effectively macropore plugging, experiment finds, in mineralising
Degree 0-300000mg/L, under conditions of 200 DEG C, the foam resistance factor that said composition is formed is achieved preferably up to 100
Technique effect.
Below by embodiment, the present invention is further elaborated.
Specific embodiment
In order to be better understood from the present invention, present disclosure, but present disclosure are expanded on further with reference to embodiments
It is not limited solely to the following examples.
【Embodiment 1】
Long-chain polyether nitrogen-containing compound is with long-chain diaryl sulfonate and according to mol ratio 1:2 are dissolved in salinity is
In the water of 100000mg/L, the total mass fraction of foam is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 0.5:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor
Ratio is 1:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 2】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:10 are dissolved in salinity is
In the water of 50000mg/L, the total mass fraction of foam is 0.1%, and mix homogeneously forms foam aqueous solution.Afterwards with steaming
Vapour nitrogen is according to volume ratio 3:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
For 0.3:1.
Combinations of the above thing is taken under the conditions of 250 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 3】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:0.2 is dissolved in salinity is
In the water of 200000mg/L, the total mass fraction of foam is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 4:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
Example is 2:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 4】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:1 is dissolved in salinity is
In the water of 150000mg/L, the total mass fraction of foam is 0.5%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 7:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
Example is 3:1.
Combinations of the above thing is taken under the conditions of 300 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 5】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:0.5 is dissolved in salinity is
In the water of 50000mg/L, the total mass fraction of foam is 0.2%, and mix homogeneously forms foam aqueous solution.Afterwards with steaming
Vapour nitrogen is according to volume ratio 8:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
For 1:1.
Combinations of the above thing is taken under the conditions of 300 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 6】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:2 are dissolved in deionized water, foam
The total mass fraction of agent is 0.5%, and mix homogeneously forms foam aqueous solution.Afterwards with steam air according to volume ratio 3:1 is real
Existing gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, air vapor ratio are 0.7:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 7】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:50 are dissolved in salinity is
In the water of 100000mg/L, the total mass fraction of foam is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam carbon dioxide is according to volume ratio 5:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, titanium dioxide
Carbon steam rates are 0.9:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 8】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:2 are dissolved in salinity is
In the water of 100000mg/L, the total mass fraction of foam is 0.2%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 2:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
Example is 2:1.
Combinations of the above thing is taken under the conditions of 250 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 9】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:2 are dissolved in salinity is
In the water of 250000mg/L, the total mass fraction of foam is 0.5%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 2:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio
Example is 2:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Embodiment 10】
By long-chain polyether nitrogen-containing compound with long-chain diaryl sulfonate according to mol ratio 1:2 are dissolved in salinity is
In the water of 300000mg/L, the total mass fraction of foam is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards with
Steam nitrogen is according to volume ratio 0.5:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor
Ratio is 1:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, the resistance formed after record injection foam balance forms resistance with water filling
Ratio, as resistance factor the results are shown in Table shown in 1.
【Comparative example 1】
Use【Embodiment 1】In C12H25O(CHCH3CH2O)3(CH2CH2O)7CH2CH2N(CH3)2C3H6OSO3,
【Embodiment 2】In C16H33O(CHCH3CH2O)10(CH2CH2O)20CH2CH2N(C2H5)(C3H7O)CH2COO,
【Embodiment 3】In C14H29OCHCH3CH2O(CH2CH2O)30CH2CH2N(C3H7O)2C5H10SO3,【Implement
Example 4】In C20H33OCHCH3CH2OCH2CH2OCH2CH2N(C3H7)(C5H11)CH2SO3,【Embodiment 5】In
C12H25O(CHCH3CH2O)20CH2CH2OCH2CH2N(CH3)(C2H5)C2H4SO3Single dose, be dissolved in salinity
For, in the water of 100000mg/L, the total mass fraction of foam is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards
With steam nitrogen according to volume ratio 0.5:1 realizes gas-liquid mixed, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen are steamed
Vapour ratio is 1:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, record resistance factor, the results are shown in Table shown in 3.
【Comparative example 2】
Use【Embodiment 1-5】In long-chain diaryl sulfonate, be dissolved in salinity be 100000mg/L water in, bubble
The total mass fraction of foam agent is 0.3%, and mix homogeneously forms foam aqueous solution.Afterwards with steam nitrogen according to volume ratio 0.5:1
Gas-liquid mixed is realized, that is, the enhanced foam flooding compositionss needed for being formed, nitrogen vapor ratio are 1:1.
Combinations of the above thing is taken under the conditions of 200 DEG C, is 100 centimetres in length, a diameter of 3.8 centimetres, permeability is 1000mD
Fill out, record resistance factor, the results are shown in Table shown in 4.
【Comparative example 3】
16 alhpa olefin sodium sulfonates are dissolved in the water that salinity is 100000mg/L, foam mass fraction is 0.5%, is mixed
Conjunction forms foam aqueous solution, and solution bottom has white precipitate to separate out.
【Comparative example 4】
Ready denier oil acid sodium is dissolved in the water that salinity is 100000mg/L, foam mass fraction is 0.5%, is mixed
Conjunction forms foam aqueous solution, and solution bottom has white precipitate to separate out.
Foaming agent combination component structure in 1 embodiment 1-10 of table
| Foam | R1 | y | z | R4 | R5 | R6 | R7 | Y | R2 | R3 | m+n | a+b | L | X |
| Embodiment 1 | C12H25 | 3 | 7 | CH3 | CH3 | C3H6O | C2H4 | SO3 - | C16H33 | CH3 | 2.0 | 2.0 | OC2H4O | K |
| Embodiment 2 | C16H33 | 10 | 20 | C2H5 | C3H7O | CH2 | C2H4 | COO- | C20H41 | H | 3.0 | 3.0 | C3H6 | Na |
| Embodiment 3 | C14H29 | 1 | 30 | C3H7O | C3H7O | C5H10 | C2H4 | SO3 - | C12H25 | C8H17 | 2.7 | 2.7 | CH2 | K |
| Embodiment 4 | C20H33 | 1 | 1 | C3H7 | C5H11 | CH2 | C2H4 | SO3 - | C12H25 | C16H33 | 4.0 | 4.0 | O | Na |
| Embodiment 5 | C12H25 | 20 | 1 | C2H5 | CH3 | C2H4 | C2H4 | SO3 - | C16H33 | C2H5 | 2.3 | 2.3 | CH2 | NH4 |
| Embodiment 6 | C12H25 | 0 | 7 | CH3 | CH3 | C3H6O | C2H4 | SO3 - | C16H33 | CH3 | 2.0 | 2.0 | O | K |
| Embodiment 7 | C12H25 | 3 | 7 | CH3 | CH3 | C3H6O | C3H6 | SO3 - | C16H33 | CH3 | 2.0 | 2.0 | OC3H6O | K |
| Embodiment 8 | C26H45 | 3 | 7 | CH3 | CH3 | C3H6O | C2H4 | SO3 - | C10H21 | CH3 | 2.0 | 2.0 | C2H4 | K |
| Embodiment 9 | C10H21 | 3 | 7 | CH3 | CH3 | C3H6O | C2H4 | SO3 - | C16H33 | CH3 | 2.0 | 2.0 | O | K |
| Embodiment 10 | C12H25 | 0 | 0 | CH3 | CH3 | C3H6O | C2H4 | SO3 - | C16H33 | CH3 | 2.0 | 2.0 | CH2 | K |
Foam blocking performance of the compositionss in 2 embodiment of table in simulation water
Sealing characteristics of the compositionss in 3 comparative example 1 of table in simulation water
Sealing characteristics of the compositionss in 4 comparative example 2 of table in simulation water
Claims (10)
1. a kind of steam combination flooding foam compositions, including：
(1) foaming agent combination aqueous solution；
(2) gas；
(3) steam；
Wherein, foaming agent combination aqueous solution and the volume ratio of gas are 1:(0.2～20)；The foam combination
Thing, the long-chain polyether nitrogen-containing compound and 0.1～50 part of long-chain diaryl sulphur in terms of molfraction including 1 part
Acid salt surfactant；In terms of contained long-chain diaryl sulfonate with the total quality of long-chain polyether nitrogen-containing compound,
In the foaming agent combination aqueous solution, the concentration of foaming agent combination is 0.1～2wt%；The steam and gas
Volume ratio be 0～5:1；
The long-chain polyether nitrogen-containing compound, with the general molecular formula shown in formula (I)：
The long-chain diaryl sulfosalt surfactant, with the general molecular formula shown in formula (II)：
In formula (I), the R1 is C10～C26Fat-based；Y=0～20, z=0～60；R4, R5 are C1～C5
Alkyl, replace alkyl in any one；R6, R7 are C1～C5Alkylidene, in substituted alkylene
Any one；Y is in electroneutral anionic group selected from molecule shown in formula (I) is made；It is in formula (II), described
R2 is C10～C26Fat-based；The R3 is H or C1～C26Fat-based；N, m are 0～3 integer
Or decimal and n+m>1；L is O, S ,-(CH2)1-3-、-OC2H4O-、-OC3H6One kind in O-；X
For the one kind in alkali metal ion, alkaline-earth metal ions or ammonium ion, and when X be alkali metal ion or ammonium from
The period of the day from 11 p.m. to 1 a.m, a=n, b=m, when X is alkaline-earth metal ions, a=n/2, b=m/2.
2. steam combination flooding foam compositions according to claim 1, it is characterised in that the R1 is
C10～C20Alkyl, alkylbenzene.
3. steam combination flooding foam compositions according to claim 1, it is characterised in that the R7
Preferably C2H4Or C3H6。
4. steam combination flooding foam compositions according to claim 1, it is characterised in that the Y choosings
From-COO—、-SO3 —、-HPO4 —In at least one.
5. according to the arbitrary steam combination flooding foam compositions of Claims 1 to 4, it is characterised in that the z
It is that 30 are less than or equal to more than 0.
6. steam combination flooding foam compositions according to claim 1, it is characterised in that the R2 is
C12～C20Alkyl in any one.
7. steam combination flooding foam compositions according to claim 1, it is characterised in that the R3 is H
Or C1～C16Alkyl in any one.
8. steam combination flooding foam compositions according to claim 1, it is characterised in that the X is K+、
Na+、NH4 +In at least one.
9. steam combination flooding foam compositions according to claim 1, it is characterised in that the long-chain polyether
Nitrogen-containing compound is 1 with the mol ratio of long-chain diaryl sulfonate:0.2～10, the foaming agent combination aqueous solution
The concentration of middle foaming agent combination is 0.1～0.5wt%；Foaming agent combination aqueous solution with the volume ratio of gas is
1:(0.5～8), steam are 0.3～3 with the volume ratio of nitrogen:1.
10. the preparation method of the arbitrary steam combination flooding foam compositions of claim 1～9, including：
(1) by the desired amount of long-chain diaryl sulfonate, long-chain polyether nitrogen-containing compound according to required mol ratio
It is dissolved in mineralized water, after mixing, obtains described foaming agent combination aqueous solution；
(2) the desired amount of foaming agent combination aqueous solution and the desired amount of gas, steam are realized into gas-liquid mixed,
Obtain the steam combination flooding foam compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683606.4A CN106590576B (en) | 2015-10-20 | 2015-10-20 | Steam combination flooding foam compositions and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683606.4A CN106590576B (en) | 2015-10-20 | 2015-10-20 | Steam combination flooding foam compositions and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106590576A true CN106590576A (en) | 2017-04-26 |
| CN106590576B CN106590576B (en) | 2019-04-12 |
Family
ID=58554872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510683606.4A Active CN106590576B (en) | 2015-10-20 | 2015-10-20 | Steam combination flooding foam compositions and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106590576B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679620A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Oil resistant foaming water discharge agent composition and preparation method and applications |
| CN109679635A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Solid foam water discharge agent composition and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775976A (en) * | 2012-08-02 | 2012-11-14 | 中国石油天然气股份有限公司 | Non-alkali composite flooding compound based on straight-chain fatty alcohol ether carboxylic betaine |
| CN103380208A (en) * | 2011-02-24 | 2013-10-30 | 巴斯夫欧洲公司 | Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams |
| CN103649459A (en) * | 2011-05-13 | 2014-03-19 | 罗地亚管理公司 | Enhanced foam stability applications and methods |
| CN103849366A (en) * | 2012-12-05 | 2014-06-11 | 墨西哥石油研究院 | Foaming composition with wettability modifying and corrosion inhibitory properties for high temperature and ultra-high salinity |
-
2015
- 2015-10-20 CN CN201510683606.4A patent/CN106590576B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103380208A (en) * | 2011-02-24 | 2013-10-30 | 巴斯夫欧洲公司 | Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams |
| CN103649459A (en) * | 2011-05-13 | 2014-03-19 | 罗地亚管理公司 | Enhanced foam stability applications and methods |
| CN102775976A (en) * | 2012-08-02 | 2012-11-14 | 中国石油天然气股份有限公司 | Non-alkali composite flooding compound based on straight-chain fatty alcohol ether carboxylic betaine |
| CN103849366A (en) * | 2012-12-05 | 2014-06-11 | 墨西哥石油研究院 | Foaming composition with wettability modifying and corrosion inhibitory properties for high temperature and ultra-high salinity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679620A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Oil resistant foaming water discharge agent composition and preparation method and applications |
| CN109679635A (en) * | 2017-10-18 | 2019-04-26 | 中国石油化工股份有限公司 | Solid foam water discharge agent composition and its preparation method and application |
| CN109679635B (en) * | 2017-10-18 | 2021-05-11 | 中国石油化工股份有限公司 | Solid foam drainage agent composition and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106590576B (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106590577A (en) | Foam composition and preparation method of the same | |
| CN102952531B (en) | Surfactant for displacing oil of offshore oilfield and preparation method thereof | |
| CN103649459A (en) | Enhanced foam stability applications and methods | |
| US11041109B2 (en) | Enhanced surfactant polymer flooding processes for oil recovery in carbonate reservoirs | |
| CN103740345A (en) | Foam sealing channeling composition, preparation method thereof and applications thereof | |
| CN103834379B (en) | A kind of vermiculate glues foam system and the method improving recovery ratio with it | |
| CN106590604A (en) | Foaming agent composition for high temperature gas drive and preparation method thereof | |
| CN105368426A (en) | Double hydrophilic head-based anionic surfactant and preparation method thereof | |
| CN110791273A (en) | Gas well foam scrubbing agent composition, preparation method and application thereof | |
| CN104277806B (en) | Displacement composition, its preparation method and its application | |
| CN106590576B (en) | Steam combination flooding foam compositions and preparation method | |
| CN104109524B (en) | Reinforced foam flooding composition for high salinity reservoirs, and preparation method thereof | |
| CN106590567A (en) | Low tension foaming agent for high-salinity strata, and preparation method and applications thereof | |
| CN108485627A (en) | A kind of preparation of water filling with oil cleaning clay expansion-resisting agent | |
| CN106590570A (en) | High salinity oil reservoir gas drive foaming agent composition and preparation method thereof | |
| CN105567205A (en) | Oil displacement agent and synthetic method for docosanamine oxide surfactant | |
| CN111088009B (en) | Reinforced oil-resistant foam drainage agent composition, preparation method thereof and drainage and gas production method | |
| US4288334A (en) | Process for secondary recovery of hydrocarbons | |
| CN106590605A (en) | High-salinity oil deposit gas-driven foam composition and preparing method thereof | |
| CN106590578A (en) | Composite surfactant composition for medium-mineralization-degree reservoir oil displacement | |
| CN107573915A (en) | A kind of multiphase CO based on polymer microballoon and amphipathic polymer2Stable foam system and preparation method thereof | |
| CN116023922B (en) | Surfactant composition, thick oil displacement agent, preparation method and application thereof, and method for improving thick oil recovery rate | |
| CN107603582B (en) | Efficient foaming agent for air foam flooding and preparation method thereof | |
| CN106590608A (en) | High temperature gas drive foam composition and preparation method thereof | |
| CN106590564B (en) | Temperature-resistant salt-resistant low-tension foam flooding composition and preparation method and application 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 |