CN105441055A - Modified lignosulfonate compound and application thereof in thermal/chemical flooding of oil field - Google Patents
Modified lignosulfonate compound and application thereof in thermal/chemical flooding of oil field Download PDFInfo
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- CN105441055A CN105441055A CN201510783599.5A CN201510783599A CN105441055A CN 105441055 A CN105441055 A CN 105441055A CN 201510783599 A CN201510783599 A CN 201510783599A CN 105441055 A CN105441055 A CN 105441055A
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- mahogany sulfonate
- modified lignin
- lignin mahogany
- water
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 229920001732 Lignosulfonate Polymers 0.000 title claims abstract description 12
- 239000000126 substance Substances 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 10
- -1 sulfonate compound Chemical class 0.000 claims description 37
- 241000158728 Meliaceae Species 0.000 claims description 26
- 229920005610 lignin Polymers 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 12
- 235000019357 lignosulphonate Nutrition 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 5
- QDYLMAYUEZBUFO-UHFFFAOYSA-N cetalkonium chloride Chemical compound CCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 QDYLMAYUEZBUFO-UHFFFAOYSA-N 0.000 claims description 5
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 239000000600 sorbitol Substances 0.000 claims description 4
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 3
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 3
- YWFWDNVOPHGWMX-UHFFFAOYSA-N n,n-dimethyldodecan-1-amine Chemical compound CCCCCCCCCCCCN(C)C YWFWDNVOPHGWMX-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 2
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 230000033558 biomineral tissue development Effects 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000006184 cosolvent Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000002563 ionic surfactant Substances 0.000 abstract 1
- 239000002736 nonionic surfactant Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- HNTGIJLWHDPAFN-UHFFFAOYSA-N 1-bromohexadecane Chemical compound CCCCCCCCCCCCCCCCBr HNTGIJLWHDPAFN-UHFFFAOYSA-N 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- PBLNBZIONSLZBU-UHFFFAOYSA-N 1-bromododecane Chemical compound CCCCCCCCCCCCBr PBLNBZIONSLZBU-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
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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
-
- 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
- C09K8/592—Compositions used in combination with generated heat, e.g. by steam injection
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)
- Application Of Or Painting With Fluid Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention relates to a modified lignosulfonate compound and an application thereof in thermal/chemical flooding of an oil field. The compound comprises the following components in percentage by mass: 40-45% of modified lignosulfonate, 20-25% of nonionic surfactant, 5-10% of ampholytic surfactant, 5-10% of cosolvent, 1-2% of inorganic salt and the balance of water. The compound provided by the invention has good stability, and the product performance is still stable at 110 DEG C; the salt resistance is good, and the oil-water interfacial tension still can reach an ultralow level of 10<-3>-10<-5>mN/m in the conditions that the mineralization degree is 4000mg/L and the content of calcium and magnesium ions is 700mg/L; the content of effective active matters is 40-50%, and with a relatively small dosage, the oil-water interface can reach the magnitude order of 10<-3>-10<-5>mN/m within a very short time; the adsorption quantity in the core is relatively small, and the performance is stable in continuous time; and moreover, the raw materials are easily available, the price is low, the performance is good, and the compound is suitable for industrial production.
Description
Technical field
The invention belongs to displacement of reservoir oil field, be specifically related to a kind of modified lignin mahogany sulfonate compound and the application at oil field heat/chemical flooding thereof.
Background technology
Hot technology of reservoir sweep main method has the thermal recovery methods such as steam flood, hot waterflooding and steam stimulation.Steam flood is a kind of effective reoovery method, but due to the density of steam and viscosity very low, easy flowing, easy generation gravity segregation and cause onlap and has channeling, vertically sweep oily efficiency uneven, cause residual oil saturation in stratum high, steam sweep efficiency is little, reduce oil recovery factor, therefore must consider other displacement modes.
Hot waterflooding's technology has been proved to be can have reduced viscosity of crude as far back as the sixties in 20th century, mobility ratio is declined, thus raising recovery ratio, but always not by large-scale application, its major cause is that the heat content of hot water is little, as effective thermal barrier, heat should not be brought into oil reservoir, but with vapor phase ratio, the density of hot water, mobility and formation oil are more or less the same, and not easily cause gravity segregation to flow, volumetric conformance efficiency is comparatively large, and heat effect can be not fully exerted.Add high temperature resistant surfactant in the hot water, utilize heat/chemical displacement of reservoir oil technology, can oil water interfacial tension be reduced, effectively improve oil displacement efficiency, and along with the raising of temperature, recovery ratio also improves thereupon.Therefore develop a kind of heat resistance good, stability is strong and have the surfactant product of ultra low interfacial tension, is the key point of heat/chemical displacement of reservoir oil technology large-scale promotion application.
Summary of the invention
The object of the invention is to provide a kind of tensio-active agent being applicable to the high temperature resistant low interfacial tension of heat/chemical displacement of reservoir oil technology, i.e. a kind of modified lignin mahogany sulfonate compound, has good temperature resistant antisalt ability, and stable performance, raw material is easy to get, easy suitability for industrialized production, cheap.
The technical solution adopted for the present invention to solve the technical problems is: a kind of modified lignin mahogany sulfonate compound, in this compound, each composition is modified lignin mahogany sulfonate 40 ~ 45% by mass percentage, nonionogenic tenside 20 ~ 25%, amphoterics 5 ~ 10%, solubility promoter 5 ~ 10%, inorganic salt 1 ~ 2%, surplus is water.
Particularly, described modified lignin mahogany sulfonate preparation method is as follows:
1) sulfonated lignin are dissolved in water, adjust ph to 10 ~ 13;
2) the halogenated straight alkane containing 9 ~ 18 carbon atoms accounting for sulfonated lignin quality 25 ~ 45% is added, sealing post-heating;
3) 125 ~ 165 DEG C are warming up to, reaction 1.5 ~ 3.5h, naturally cooling.
Particularly, described nonionogenic tenside is one or more in sorbitan fatty acid ester, polyoxyethylene nonylphenol ether, sorbitol polyoxyethylene ether, isomeric alcohol polyethenoxy ether.
Particularly, described amphoterics is one or more in dodecyl azochlorosulfonate propyl lycine, dodecyldimethylamine base azochlorosulfonate propyl lycine, hexadecyldimethyl benzyl ammonium azochlorosulfonate propyl lycine, octadecyldimethyl azochlorosulfonate propyl lycine.
Particularly, described solubility promoter is one or more in ethanol, Virahol, propyl carbinol, isopropylcarbinol.
Particularly, described inorganic salt are sodium-chlor.
The preparation method of modified lignin mahogany sulfonate compound is performed as follows:
1) under 35 DEG C of condition of normal pressure, by modified lignin mahogany sulfonate, nonionogenic tenside, 50% deionized water join in reactor, fully stir 1.5 ~ 3h;
2) residue 50% deionized water, solubility promoter, amphoterics are joined in reactor, stir 1 ~ 2h;
3) by 2) material be transferred to 1) material in, add inorganic salt, stir and namely obtain compound product in 0.5 ~ 2.5 hour.
The present invention has following beneficial effect:
1) compound alkali-free provided by the present invention, can reach 10 in larger concentration range
-3~ 10
-5the ability of the oil water interfacial tension of mN/m, thus the injury avoiding alkali formation, be conducive to the Sustainable development of oil production.
2) its Heat stability is good of compound provided by the present invention, at 110 DEG C, condition product performance still keep stable.
3) its anti-salt property of compound provided by the present invention is good, and when salinity 4000mg/L, calcium ions and magnesium ions content 700mg/L, oil water interfacial tension still can reach 10
-3~ 10
-5the ultra low levels of mN/m.
4) compound effective active thing content provided by the present invention reaches 40-50%, and oil/water interface just can be made under the condition of less consumption within very short time can to reach 10
-3~ 10
-5the order of magnitude of mN/m.
5) compound provided by the present invention is lower in the adsorptive capacity of rock core, stable performance within continuous time.
6) raw material that compound provided by the present invention uses is easy to get, cheap, functional, be suitable for suitability for industrialized production, huge economic benefit can be brought for oil field.
Embodiment
Be below specific embodiments of the invention, technical scheme of the present invention is described further, but protection scope of the present invention is not limited to these embodiments.Every do not deviate from the present invention's design change or equivalent substituting include within protection scope of the present invention.
A kind of modified lignin mahogany sulfonate compound, in this compound, each composition is modified lignin mahogany sulfonate 40 ~ 45% by mass percentage, nonionogenic tenside 20 ~ 25%, amphoterics 5 ~ 10%, solubility promoter 5 ~ 10%, inorganic salt 1 ~ 2%, surplus is water.
Particularly, described modified lignin mahogany sulfonate preparation method is as follows:
1) sulfonated lignin are dissolved in water, adjust ph to 10 ~ 13;
2) the halogenated straight alkane containing 9 ~ 18 carbon atoms accounting for sulfonated lignin quality 25 ~ 45% is added, sealing post-heating;
3) 125 ~ 165 DEG C are warming up to, reaction 1.5 ~ 3.5h, naturally cooling.
Particularly, described nonionogenic tenside is one or more in sorbitan fatty acid ester, polyoxyethylene nonylphenol ether, sorbitol polyoxyethylene ether, isomeric alcohol polyethenoxy ether.
Particularly, described amphoterics is one or more in dodecyl azochlorosulfonate propyl lycine, dodecyldimethylamine base azochlorosulfonate propyl lycine, hexadecyldimethyl benzyl ammonium azochlorosulfonate propyl lycine, octadecyldimethyl azochlorosulfonate propyl lycine.
Particularly, described solubility promoter is one or more in ethanol, Virahol, propyl carbinol, isopropylcarbinol.
Particularly, described inorganic salt are sodium-chlor.
The preparation method of modified lignin mahogany sulfonate compound is performed as follows:
1) under 35 DEG C of condition of normal pressure, by modified lignin mahogany sulfonate, nonionogenic tenside, 50% deionized water join in reactor, fully stir 1.5 ~ 3h;
2) residue 50% deionized water, solubility promoter, amphoterics are joined in reactor, stir 1 ~ 2h;
3) by 2) material be transferred to 1) material in, add inorganic salt, stir and namely obtain compound product in 0.5 ~ 2.5 hour.
Embodiment 1
(1) be dissolved in water by 1000kg sulfonated lignin, regulate pH to 11.5, add bromohexadecane 300kg, heated sealed to 165 DEG C, reaction 1.5h, is cooled to room temperature;
(2) under 35 DEG C of condition of normal pressure, in reactor, add modified lignin mahogany sulfonate 400kg, polyoxyethylene nonylphenol ether 100kg, isomeric alcohol polyethenoxy ether 100kg, deionized water 120kg successively, stir 1.5h;
(3) deionized water 120kg, Virahol 50kg, octadecyldimethyl azochlorosulfonate propyl lycine 100kg are joined in reactor, stir 1h;
(4) material of (3) is proceeded in the material of (2), add sodium-chlor 10kg, stir 1h and namely obtain compound product.
Product performance are as following table:
| Surfactant concentration (wt%) | Interfacial tension (mN/m) |
| 0.05 | 0.0877 |
| 0.10 | 0.0101 |
| 0.20 | 0.0082 |
| 0.30 | 0.0006 |
Test condition: 1. testing tool: TX-500C type turns an interfacial tensimeter; 2. probe temperature: 80 DEG C; 3. test oil: experimental standard dewatered oil (oil field producer provides); 4. test water: recovered water (salinity≤50000mg/L).
Embodiment 2
(1) be dissolved in water by 1000kg sulfonated lignin, regulate pH to 10, add bromohexadecane 250kg, heated sealed to 155 DEG C, reaction 2.5h, is cooled to room temperature;
(2) under 35 DEG C of condition of normal pressure, in reactor, add modified lignin mahogany sulfonate 450kg, polyoxyethylene nonylphenol ether 250kg, deionized water 80kg successively, stir 1.5h;
(3) deionized water 80kg, ethanol 50kg, hexadecyldimethyl benzyl ammonium azochlorosulfonate propyl lycine 80kg are joined in reactor, stir 1h;
(4) material of (3) is proceeded in the material of (2), add sodium-chlor 10kg, stir 1h and namely obtain compound product.
Product performance are as following table:
| Surfactant concentration (wt%) | Interfacial tension (mN/m) |
| 0.05 | 0.0354 |
| 0.10 | 0.0072 |
| 0.20 | 0.0032 |
| 0.30 | 0.0004 |
Test condition: 1. testing tool: TX-500C type turns an interfacial tensimeter; 2. probe temperature: 90 DEG C; 3. test oil: experimental standard dewatered oil (oil field producer provides); 4. test water: recovered water (salinity≤50000mg/L).
Embodiment 3
(1) be dissolved in water by 1000kg sulfonated lignin, regulate pH to 13, add bromododecane 450kg, heated sealed to 125 DEG C, reaction 3.0h, is cooled to room temperature;
(2) under 35 DEG C of condition of normal pressure, in reactor, modified lignin mahogany sulfonate 450kg, sorbitol polyoxyethylene ether 250kg deionized water 80kg is added successively;
(3) deionized water 80kg, ethanol 50kg, hexadecyldimethyl benzyl ammonium azochlorosulfonate propyl lycine 80kg are joined in reactor, stir 1h;
(4) material of (3) is proceeded in the material of (2), add sodium-chlor 10kg, stir 1h and namely obtain compound product.
Product performance are as following table:
| Surfactant concentration (wt%) | Interfacial tension (mN/m) |
| 0.05 | 0.1203 |
| 0.10 | 0.0199 |
| 0.20 | 0.0077 |
| 0.30 | 0.0009 |
Test condition: 1. testing tool: TX-500C type turns an interfacial tensimeter; 2. probe temperature: 90 DEG C; 3. test oil: experimental standard dewatered oil (oil field producer provides); 4. test water: recovered water (salinity≤60000mg/L).
Claims (7)
1. modified lignin mahogany sulfonate compound, is characterized in that: in this compound, each composition is modified lignin mahogany sulfonate 40 ~ 45% by mass percentage, nonionogenic tenside 20 ~ 25%, amphoterics 5 ~ 10%, solubility promoter 5 ~ 10%, inorganic salt 1 ~ 2%, surplus is water.
2. modified lignin mahogany sulfonate compound according to claim 1, is characterized in that, described modified lignin mahogany sulfonate preparation method is as follows:
1) sulfonated lignin are dissolved in water, adjust ph to 10 ~ 13;
2) the halogenated straight alkane containing 9 ~ 18 carbon atoms accounting for sulfonated lignin quality 25 ~ 45% is added, sealing post-heating;
3) 125 ~ 165 DEG C are warming up to, reaction 1.5 ~ 3.5h, naturally cooling.
3. modified lignin mahogany sulfonate compound according to claim 1, it is characterized in that, described nonionogenic tenside is one or more in sorbitan fatty acid ester, polyoxyethylene nonylphenol ether, sorbitol polyoxyethylene ether, isomeric alcohol polyethenoxy ether.
4. modified lignin mahogany sulfonate compound according to claim 1, it is characterized in that, described amphoterics is one or more in dodecyl azochlorosulfonate propyl lycine, dodecyldimethylamine base azochlorosulfonate propyl lycine, hexadecyldimethyl benzyl ammonium azochlorosulfonate propyl lycine, octadecyldimethyl azochlorosulfonate propyl lycine.
5. modified lignin mahogany sulfonate compound according to claim 1, is characterized in that, described solubility promoter is one or more in ethanol, Virahol, propyl carbinol, isopropylcarbinol.
6. modified lignin mahogany sulfonate compound according to claim 1, is characterized in that, described inorganic salt are sodium-chlor.
7., according to the arbitrary described modified lignin mahogany sulfonate compound of claim 1-6, it is characterized in that, its preparation method is performed as follows:
1) under 35 DEG C of condition of normal pressure, by modified lignin mahogany sulfonate, nonionogenic tenside, 50% deionized water join in reactor, fully stir 1.5 ~ 3h;
2) residue 50% deionized water, solubility promoter, amphoterics are joined in reactor, stir 1 ~ 2h;
3) by 2) material be transferred to 1) material in, add inorganic salt, stir and namely obtain compound product in 0.5 ~ 2.5 hour.
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|---|---|---|---|
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|---|---|---|---|
| CN201510783599.5A CN105441055B (en) | 2015-11-14 | 2015-11-14 | Modified lignin mahogany sulfonate compound and its application in oil field heat/chemical flooding |
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| CN105441055B CN105441055B (en) | 2018-08-21 |
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Cited By (4)
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| CN107936938A (en) * | 2017-12-05 | 2018-04-20 | 张晓静 | A kind of negative pressure on ground DP technology and its device |
| CN110819328A (en) * | 2019-11-15 | 2020-02-21 | 西安石油大学 | A kind of oil flooding and corrosion inhibitor dual-effect agent for oil field prepared from oil and preparation method thereof |
| CN110819329A (en) * | 2019-11-15 | 2020-02-21 | 西安石油大学 | Oil displacement and corrosion inhibition dual-effect agent for oil field and preparation method thereof |
| CN111137991A (en) * | 2020-03-23 | 2020-05-12 | 克拉玛依翎昊科技有限责任公司 | Corrosion and scale inhibition bactericide and application thereof |
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| CN107936938A (en) * | 2017-12-05 | 2018-04-20 | 张晓静 | A kind of negative pressure on ground DP technology and its device |
| CN110819328A (en) * | 2019-11-15 | 2020-02-21 | 西安石油大学 | A kind of oil flooding and corrosion inhibitor dual-effect agent for oil field prepared from oil and preparation method thereof |
| CN110819329A (en) * | 2019-11-15 | 2020-02-21 | 西安石油大学 | Oil displacement and corrosion inhibition dual-effect agent for oil field and preparation method thereof |
| CN111137991A (en) * | 2020-03-23 | 2020-05-12 | 克拉玛依翎昊科技有限责任公司 | Corrosion and scale inhibition bactericide and application thereof |
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