CN103937481A - High-temperature-resistant and low-tension foam flooding agent and preparation method thereof - Google Patents
High-temperature-resistant and low-tension foam flooding agent and preparation method thereof Download PDFInfo
- Publication number
- CN103937481A CN103937481A CN201410190212.0A CN201410190212A CN103937481A CN 103937481 A CN103937481 A CN 103937481A CN 201410190212 A CN201410190212 A CN 201410190212A CN 103937481 A CN103937481 A CN 103937481A
- Authority
- CN
- China
- Prior art keywords
- resistant
- elevated temperatures
- foam flooding
- tension foam
- temperatures low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 0 CC(C)(*S1(C)(C)*C1)Oc1ccc(C)cc1 Chemical compound CC(C)(*S1(C)(C)*C1)Oc1ccc(C)cc1 0.000 description 1
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
Abstract
The invention relates to a high-temperature-resistant and low-tension foam flooding agent for improving a recovery ratio of crude oil in a reservoir and a preparation method thereof. The high-temperature-resistant and low-tension foam flooding agent is prepared by continuously stirring salts of alkyl phenol polyoxyethylene ether, sodium alkyl sulfonate, sodium chloride and water at 20-60 DEG C until the salts of alkyl phenol polyoxyethylene ether, sodium alkyl sulfonate and sodium chloride are completely dissolved. The high-temperature-resistant and low-tension foam flooding agent disclosed by the invention has the characteristics of ultralow interfacial tension, strong foaming capability, good foam-stabilizing effect and high temperature resistance and good compatibility with formation water and the like and does not be decomposed at high temperatures of 250 DEG C. The ultralow interfacial tension between aqueous solution (of which the salinity is 0-10000mg/L) of the high-temperature-resistant and low-tension foam flooding agent with a concentration of 0.1-0.5wt% and crude oil can be less than 10<-2>mN/m. The high-temperature-resistant and low-tension foam flooding agent, disclosed by the invention, can be used in a high-temperature reservoir to improve the recovery ratio of crude oil.
Description
Technical field
The present invention relates to improve the foam flooding finish of oil deposil erude petroleum recovery ratio, relate in particular to a kind of resistant to elevated temperatures low-tension foam flooding finish that improves oil deposil erude petroleum recovery ratio, and the preparation method of this foam flooding finish.
Background technology
At present, the oil field that the whole world exceedes 30 maximum-norms has entered the exploitation later stage, is faced with the moisture height of Produced Liquid, crude oil recovery percent of reserves is high, crude oil oil recovery rate is high, reserve-production ratio is low, waterflood recovery efficiency factor is low development situation.How to improve the development effectiveness of these maturing fields, and how to improve the oil recovery factor of oil reservoir after polymer flooding, be more and more subject to people's concern and attention.The recovery ratio of crude oil is improved in these oil fields in the urgent need to new tertiary oil recovery technology, to increase the workable reserve of crude oil.Wherein, low-tension foam flooding technology is under current condition, to attract most attention and the most potential oil recovery new technology, it can fully excavate the displacement of reservoir oil potentiality of tensio-active agent, can utilize again the selective profile control of foam to improve swept volume, thereby oil recovery factor is greatly enhanced.Low-tension foam flooding technology is expanding swept volume or on displacement efficiency, be all better than the technology of reservoir sweep such as polymer flooding, binary combination flooding and ternary composite driving.It is wide that low-tension foam flooding technology is suitable for oil reservoir scope, all can increase substantially the recovery ratio of crude oil for the oil reservoir after oil reservoir, polymer flooding after long-period water drive, the oil reservoir of high temperature and high salt and the oil reservoir of serious heterogeneity etc., has a good application prospect.The key problem of low-tension foam flooding technology is exactly that low-tension foaming agent will possess ultra low interfacial tension, foaming power is strong, stability is strong, good with local water compatibleness, high temperature resistant resistance to high salinity.
Foam flooding finish in the market mainly contains two large classes: anionic foaming agent and non-ionic type foaming agent.For high-temperature oil reservoir, while using separately anionic foaming agent, the compatibleness of anionic foaming agent and local water is poor, and calcium ion, magnesium ion easily and in local water form precipitation; Because non-ionic type foaming agent exists cloud point, resistance to elevated temperatures is poor, has limited its application in tertiary oil recovery separately.For Anionic-nonionic compound surfactant alkylphenol polyoxyethylene sulfuric ester sodium salt, due to the existence of sulfuric acid ester bond in molecule, under alkaline condition, alkylphenol polyoxyethylene sulfuric ester sodium salt has hydrolysis to a certain degree, and non-refractory, an Applicable temperature is lower than the oil reservoir of 100 DEG C.
Summary of the invention
It is poor to the object of the invention is in order to solve above-mentioned foaming agent existence and stability, can not meet the needs of high-temperature stratum foam flooding, thereby provide that one has ultra low interfacial tension, foaming power is strong, froth stability good and high temperature resistant, good with local water compatibleness, can improve the resistant to elevated temperatures low-tension foam flooding finish of oil deposil erude petroleum recovery ratio.
Another object of the present invention is to provide a kind of preparation method of the resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio.
The resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention, with salinity be 10000mg/L, the aqueous solution of what the water that wherein total concn of calcium ion and magnesium ion is 500mg/L was mixed with contain described resistant to elevated temperatures low-tension foam flooding finish is transparent, without precipitation.
Component composition and the content of the resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention are: the mass concentration of tensio-active agent alkylphenol polyoxyethylene salt is that the mass concentration of 10～50% (preferred mass concentration is 20～40%), mersolates is that the mass concentration of 5～30% (preferred mass concentration is 5～20%), sodium-chlor is that 1～20% (preferred mass concentration is 2～10%), surplus are water.
When the consumption of each component is within the scope of above-mentioned mass percentage concentration in described resistant to elevated temperatures low-tension foam flooding finish, all there is good Oil Displacing Capacity.
Preferably the mass concentration of tensio-active agent alkylphenol polyoxyethylene salt is 20～40%, the mass concentration of mersolates is 5～20% for the component composition of described resistant to elevated temperatures low-tension foam flooding finish and content, the mass concentration of sodium-chlor is 2～10%, surplus is water.
The resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention, under the high temperature of 250 DEG C, described resistant to elevated temperatures low-tension foam flooding finish is regardless of solution.
Of the present inventionly the aqueous solution that concentration is the described resistant to elevated temperatures low-tension foam flooding finish of 0.1～0.5wt% that contains that the resistant to elevated temperatures low-tension foam flooding finish of oil deposil erude petroleum recovery ratio and the preparation of water that salinity is 0～10000mg/L obtain can be improved, between itself and crude oil, <10 can be reached
-2the ultra low interfacial tension of mN/m.
The molecular formula of described alkylphenol polyoxyethylene salt is:
In formula, R
1for C
4～C
22alkyl (preferably R
1for C
6～C
18alkyl), arbitrary integer that n is 1～30 in (preferably n is 1～20), R
2for CH
2cH
2or CH
2cH
2cH
2; Y is sulfonate radical or carboxylate radical; M is alkalimetal ion (as lithium ion, sodium ion or potassium ion) or ammonium ion.
Wherein, the hydrophobic chain R in described alkylphenol polyoxyethylene salt
1for C
4～C
22alkyl (be preferably C
6～C
18alkyl) be saturated or undersaturated alkyl chain; Hydrophilic base Y in described alkylphenol polyoxyethylene salt is sulfonate radical or carboxylate radical, and contains oxyethylene group group between hydrophilic base of alkylphenol polyoxyethylene salt and hydrophobic chain, and the number n of oxyethylene group group is 1～30 (being preferably 1～20).
Described mersolates is that hydrophobic chain is the saturated or undersaturated mersolates of carbonatoms 8～24 (carbonatoms is preferably 10～18).
The preparation method of the resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention is: 1/3～3/4 (being preferably 2/3) of the required water yield of resistant to elevated temperatures low-tension foam flooding finish described preparation joined in reactor, be under 20～60 DEG C (being preferably 30～50 DEG C) in temperature, add tensio-active agent alkylphenol polyoxyethylene salt and mersolates, stir; After alkylphenol polyoxyethylene salt in question response still and mersolates dissolve, add the water of sodium-chlor and residual content, stirring and evenly mixing, obtains described resistant to elevated temperatures low-tension foam flooding finish; Wherein: the mass concentration of the alkylphenol polyoxyethylene salt in described resistant to elevated temperatures low-tension foam flooding finish is 10～50% (preferred mass concentration is 20～40%), the mass concentration of mersolates is 5～30% (preferred mass concentration is 5～20%), the mass concentration of sodium-chlor is 1～20% (preferred mass concentration is 2～10%), and surplus is water.
The resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention, can be used for improving formation temperature is 50～120 DEG C, the oil recovery factor of the high-temperature oil reservoir that the salinity of local water is 0～10000mg/L.
The resistant to elevated temperatures low-tension foam flooding finish that can improve oil deposil erude petroleum recovery ratio of the present invention has following effect:
1. the existence of oxyethylene group group in tensio-active agent alkylphenol polyoxyethylene carboxylic acid (or sulfonic acid) molecules of salt, contributes to the raising of tensio-active agent foam performance and foam stability energy; And the existence of carboxylate radical or sulfonate radical, makes it have very strong resistance to hard water and resistance to elevated temperatures.That mersolates has advantages of is soluble in water, foam performance good; Adding of it, foam performance and the solubility property of the resistant to elevated temperatures low-tension foam flooding finish described in having increased, be conducive to industrial application.
Low by cost, performance good, be easy to extensive alkylphenol polyoxyethylene carboxylic acid (or sulfonic acid) salt using as host, the of the present invention resistant to elevated temperatures low-tension foam flooding finish obtaining as auxiliary combination with mersolates, sodium-chlor and water, with salinity be 0～10000mg/L, the water compatibility that wherein total concn of calcium ion and magnesium ion is 0～500mg/L is good, foaming properties is unaffected, and can reach <10 between crude oil
-2the ultra low interfacial tension of mN/m is (as reached 10 with the crude oil interfacial tension of Henan Oil Field
-3mN/m, uses the aqueous solution that concentration is the described resistant to elevated temperatures low-tension foam flooding finish of 0.1～0.5wt% that contains of resistant to elevated temperatures low-tension foam flooding finish of the present invention and water preparation).
3. resistant to elevated temperatures low-tension foam flooding finish foaming power of the present invention is strong, and froth stability is good; Be applied to shop experiment, foaming volume is greater than 300mL, transformation period is greater than 120 minutes (test with GB/T7462-1994 " mensuration-improvement Ross-Miles method of tensio-active agent foaming power ", use the aqueous solution that concentration is the described resistant to elevated temperatures low-tension foam flooding finish of 0.1～0.5wt% that contains of resistant to elevated temperatures low-tension foam flooding finish of the present invention and water preparation).
Embodiment
Embodiment 1.
Raw material:
Preparation method: the water of 50Kg is joined in reactor, is at 30 DEG C in temperature, adds the polyoxyethylene octylphenol ether carboxylic acid sodium salt of 40Kg and the tetradecyl sulfonate sodium of 17Kg, stirs; Polyoxyethylene octylphenol ether carboxylic acid sodium salt in question response still and tetradecyl sulfonate sodium add the sodium-chlor of 5Kg and the water of remaining 26Kg after dissolving, and stirring and evenly mixing, obtains faint yellow transparent resistant to elevated temperatures low-tension foam flooding finish.
The above-mentioned resistant to elevated temperatures low-tension foam flooding finish preparing, under the high temperature of 250 DEG C, described resistant to elevated temperatures low-tension foam flooding finish is regardless of solution.
Use the aqueous solution of the described resistant to elevated temperatures low-tension foam flooding finish that to contain concentration be 0.4wt% of the above-mentioned resistant to elevated temperatures low-tension foam flooding finish preparing and water preparation to carry out shop experiment, the salinity of experimental water is 10000mg/L, wherein the total concn of calcium ion and magnesium ion is 500mg/L, water type NaHCO
3type.Test is to test according to GB/T7462-1994 " mensuration-improvement Ross-Miles method of tensio-active agent foaming power ".
Foaming volume is 350mL, 185 minutes transformation period, reaches 1.8 × 10 with Henan crude oil interfacial tension
-3(oil density is 0.8218g/m to mN/m
3).
Embodiment 2.
Raw material:
Preparation method: the water of 50Kg is joined in reactor, is at 35 DEG C in temperature, adds the 4-dodecylphenol sodium sulfonate of ethoxylated salt of 50Kg and the sodium cetanesulfonate salt of 15Kg, stirs; 4-dodecylphenol sodium sulfonate of ethoxylated salt in question response still and sodium cetanesulfonate salt add the sodium-chlor of 8Kg and the water of remaining 25Kg after dissolving, and stirring and evenly mixing, obtains faint yellow transparent resistant to elevated temperatures low-tension foam flooding finish.
Resistant to elevated temperatures low-tension foam flooding finish obtained above, under the high temperature of 250 DEG C, described resistant to elevated temperatures low-tension foam flooding finish is regardless of solution.
Use the aqueous solution of the described resistant to elevated temperatures low-tension foam flooding finish that to contain concentration be 0.4wt% of the above-mentioned resistant to elevated temperatures low-tension foam flooding finish preparing and water preparation to carry out shop experiment, the salinity of experimental water is 10000mg/L, wherein the total concn of calcium ion and magnesium ion is 500mg/L, water type NaHCO
3type.Test is to test according to GB/T7462-1994 " mensuration-improvement Ross-Miles method of tensio-active agent foaming power ".
Foaming volume is 370mL, 155 minutes transformation period, reaches 2.5 × 10 with Henan crude oil interfacial tension
-3(oil density is 0.8218g/m to mN/m
3).
Embodiment 3.
Raw material:
Preparation method: the water of 78Kg is joined in reactor, is at 30 DEG C in temperature, adds the polyoxyethylene nonylphenol ether carboxylic acid sodium salt of 70Kg and the tetradecyl sodium sulfonate sodium salt of 28Kg, stirs; Polyoxyethylene nonylphenol ether carboxylic acid sodium salt in question response still and tetradecyl sodium sulfonate sodium salt add the sodium-chlor of 10Kg and the water of remaining 39Kg after dissolving, and stirring and evenly mixing, obtains faint yellow transparent resistant to elevated temperatures low-tension foam flooding finish.
Resistant to elevated temperatures low-tension foam flooding finish obtained above, under the high temperature of 250 DEG C, described resistant to elevated temperatures low-tension foam flooding finish is regardless of solution.
Use the aqueous solution of the described resistant to elevated temperatures low-tension foam flooding finish that to contain concentration be 0.4wt% of the above-mentioned resistant to elevated temperatures low-tension foam flooding finish preparing and water preparation to carry out shop experiment, the salinity of experimental water is 10000mg/L, wherein the total concn of calcium ion and magnesium ion is 500mg/L, water type NaHCO
3type.Test is to test according to GB/T7462-1994 " mensuration-improvement Ross-Miles method of tensio-active agent foaming power ".
Foaming volume is 360mL, 175 minutes transformation period, reaches 2.6 × 10 with Henan crude oil interfacial tension
-3(oil density is 0.8218g/m to mN/m
3).
Claims (10)
1. a resistant to elevated temperatures low-tension foam flooding finish, it is characterized in that, the component of described resistant to elevated temperatures low-tension foam flooding finish composition and content are: the mass concentration of tensio-active agent alkylphenol polyoxyethylene salt is 10～50%, the mass concentration of mersolates is 5～30%, the mass concentration of sodium-chlor is 1～20%, surplus is water.
2. resistant to elevated temperatures low-tension foam flooding finish according to claim 1, is characterized in that: the mass concentration of described tensio-active agent alkylphenol polyoxyethylene salt is 20～40%.
3. resistant to elevated temperatures low-tension foam flooding finish according to claim 1, is characterized in that: the mass concentration of described mersolates is 5～20%.
4. resistant to elevated temperatures low-tension foam flooding finish according to claim 1, is characterized in that: the mass concentration of described sodium-chlor is 2～10%.
5. resistant to elevated temperatures low-tension foam flooding finish according to claim 1, is characterized in that: the component of described resistant to elevated temperatures low-tension foam flooding finish composition and content are: the mass concentration of tensio-active agent alkylphenol polyoxyethylene salt is 20～40%, the mass concentration of mersolates is 5～20%, the mass concentration of sodium-chlor is 2～10%, surplus is water.
6. according to the resistant to elevated temperatures low-tension foam flooding finish described in claim 1,2,3,4 or 5, it is characterized in that: described resistant to elevated temperatures low-tension foam flooding finish, under the high temperature of 250 DEG C, described resistant to elevated temperatures low-tension foam flooding finish is regardless of solution.
7. resistant to elevated temperatures low-tension foam flooding finish according to claim 6, it is characterized in that: what the preparation of water that described resistant to elevated temperatures low-tension foam flooding finish and salinity are 0～10000mg/L obtained contains the aqueous solution that concentration is the described resistant to elevated temperatures low-tension foam flooding finish of 0.1～0.5wt%, between itself and crude oil, can reach <10
-2the ultra low interfacial tension of mN/m.
8. according to the resistant to elevated temperatures low-tension foam flooding finish described in claim 1,2 or 5, it is characterized in that: the molecular formula of described alkylphenol polyoxyethylene salt is:
In formula, R
1for C
4～C
22alkyl, n is the arbitrary integer in 1～30, R
2for CH
2cH
2or CH
2cH
2cH
2; Y is sulfonate radical or carboxylate radical; M is alkalimetal ion or ammonium ion.
9. according to the resistant to elevated temperatures low-tension foam flooding finish described in claim 1,3 or 5, it is characterized in that: described mersolates is that hydrophobic chain is the saturated or undersaturated mersolates of carbonatoms 8～24.
10. the preparation method of the resistant to elevated temperatures low-tension foam flooding finish described in claim 1～9 any one: join in reactor 1/3～3/4 of the required water yield of resistant to elevated temperatures low-tension foam flooding finish described preparation, be at 20～60 DEG C in temperature, add tensio-active agent alkylphenol polyoxyethylene salt and mersolates, stir; After alkylphenol polyoxyethylene salt in question response still and mersolates dissolve, add the water of sodium-chlor and residual content, stirring and evenly mixing, obtains described resistant to elevated temperatures low-tension foam flooding finish; Wherein: the mass concentration of the alkylphenol polyoxyethylene salt in described resistant to elevated temperatures low-tension foam flooding finish is 10～50%, and the mass concentration of mersolates is 5～30%, and the mass concentration of sodium-chlor is 1～20%, and surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190212.0A CN103937481A (en) | 2014-05-07 | 2014-05-07 | High-temperature-resistant and low-tension foam flooding agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190212.0A CN103937481A (en) | 2014-05-07 | 2014-05-07 | High-temperature-resistant and low-tension foam flooding agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103937481A true CN103937481A (en) | 2014-07-23 |
Family
ID=51185363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190212.0A Pending CN103937481A (en) | 2014-05-07 | 2014-05-07 | High-temperature-resistant and low-tension foam flooding agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103937481A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368427A (en) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | Anionic surfactant and preparing method thereof |
| CN110591675A (en) * | 2019-10-14 | 2019-12-20 | 中国石油化工股份有限公司 | Profile control and viscosity reduction integrated foaming agent for heavy oil reservoir and preparation method thereof |
| CN111826150A (en) * | 2020-07-24 | 2020-10-27 | 山东新港化工有限公司 | High-temperature-resistant viscosity-reduction oil displacement agent for thick oil steam chemical flooding and preparation method and application thereof |
| CN111925785A (en) * | 2020-08-19 | 2020-11-13 | 山东新港化工有限公司 | Oil-resistant adsorption-resistant low-tension foam oil displacement agent and preparation method and application thereof |
| CN111978485A (en) * | 2020-09-23 | 2020-11-24 | 盘锦天诚源科技有限公司 | Preparation method of surfactant alkylphenol ether sulfonate for improving recovery efficiency |
| CN112300377A (en) * | 2020-02-12 | 2021-02-02 | 中国石油天然气股份有限公司 | Alkyl-polyethoxy-sodium naphthalene sulfonate foam oil displacement agent and preparation method thereof |
| CN112745821A (en) * | 2021-01-06 | 2021-05-04 | 中海石油(中国)有限公司 | Temperature-resistant and salt-resistant oil displacement agent for offshore thick oil steam accompanying injection and application thereof |
| CN112852398A (en) * | 2021-01-06 | 2021-05-28 | 中海石油(中国)有限公司 | High-temperature foam profile control agent for offshore heavy oil steam flooding and application thereof |
| CN113025297A (en) * | 2021-03-16 | 2021-06-25 | 中国科学院理化技术研究所 | Temperature-resistant salt-resistant low-tension foam oil displacement agent and preparation method and application thereof |
| CN114316929A (en) * | 2020-10-10 | 2022-04-12 | 中石化南京化工研究院有限公司 | Microbubble foaming system for foam drilling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475796A (en) * | 2009-01-15 | 2009-07-08 | 山东大学 | Lyotropic liquid crystal flooding system, as well as preparation method and use thereof |
| CN102373053A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Foaming agent composition and purpose thereof |
| CN103031123A (en) * | 2011-09-29 | 2013-04-10 | 中国石油化工股份有限公司 | Foaming agent composition for tertiary oil recovery and application thereof |
-
2014
- 2014-05-07 CN CN201410190212.0A patent/CN103937481A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475796A (en) * | 2009-01-15 | 2009-07-08 | 山东大学 | Lyotropic liquid crystal flooding system, as well as preparation method and use thereof |
| CN102373053A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Foaming agent composition and purpose thereof |
| CN103031123A (en) * | 2011-09-29 | 2013-04-10 | 中国石油化工股份有限公司 | Foaming agent composition for tertiary oil recovery and application thereof |
Non-Patent Citations (6)
| Title |
|---|
| H.M.MUIJS: "surfactants for mobility control in high-temperature steam-foam applications", 《SOCIETY OF PETROLEUM ENGINEERS》, 30 April 1988 (1988-04-30), pages 905 - 910 * |
| P.P.M.KEIJZER: "application of steam foam in the Tia Juana field, Venezuela: laboratory tests and field results", 《SOCIETY OF PETROLEUM ENGINEERS》, 30 April 1986 (1986-04-30), pages 327 - 332 * |
| 刘正超: "《染化药剂 修订本 下》", 31 July 1965, article "烷基苯磺酸钠", pages: 312-315 * |
| 张永民: "壬基酚聚氧乙烯醚磺酸钠的合成及性能", 《精细石油化工》, vol. 26, no. 2, 31 March 2009 (2009-03-31), pages 4 - 7 * |
| 无锡轻工业学院: "《合成洗涤剂》", 30 August 1975, article "烷基磺酸钠", pages: 42-43 * |
| 薛瑞新: "《辽河油田应用化学技术》", 31 December 2007, article "化学助剂综合增油技术研究与应用", pages: 187-190 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368427A (en) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | Anionic surfactant and preparing method thereof |
| CN105368427B (en) * | 2014-08-27 | 2018-08-17 | 中国石油化工股份有限公司 | Anion surfactant and preparation method thereof |
| CN110591675A (en) * | 2019-10-14 | 2019-12-20 | 中国石油化工股份有限公司 | Profile control and viscosity reduction integrated foaming agent for heavy oil reservoir and preparation method thereof |
| CN112300377A (en) * | 2020-02-12 | 2021-02-02 | 中国石油天然气股份有限公司 | Alkyl-polyethoxy-sodium naphthalene sulfonate foam oil displacement agent and preparation method thereof |
| CN112300377B (en) * | 2020-02-12 | 2022-06-03 | 中国石油天然气股份有限公司 | Alkyl-polyethoxy-sodium naphthalene sulfonate foam oil displacement agent and preparation method thereof |
| CN111826150A (en) * | 2020-07-24 | 2020-10-27 | 山东新港化工有限公司 | High-temperature-resistant viscosity-reduction oil displacement agent for thick oil steam chemical flooding and preparation method and application thereof |
| CN111925785A (en) * | 2020-08-19 | 2020-11-13 | 山东新港化工有限公司 | Oil-resistant adsorption-resistant low-tension foam oil displacement agent and preparation method and application thereof |
| CN111978485A (en) * | 2020-09-23 | 2020-11-24 | 盘锦天诚源科技有限公司 | Preparation method of surfactant alkylphenol ether sulfonate for improving recovery efficiency |
| CN114316929A (en) * | 2020-10-10 | 2022-04-12 | 中石化南京化工研究院有限公司 | Microbubble foaming system for foam drilling |
| CN112745821A (en) * | 2021-01-06 | 2021-05-04 | 中海石油(中国)有限公司 | Temperature-resistant and salt-resistant oil displacement agent for offshore thick oil steam accompanying injection and application thereof |
| CN112852398A (en) * | 2021-01-06 | 2021-05-28 | 中海石油(中国)有限公司 | High-temperature foam profile control agent for offshore heavy oil steam flooding and application thereof |
| CN113025297A (en) * | 2021-03-16 | 2021-06-25 | 中国科学院理化技术研究所 | Temperature-resistant salt-resistant low-tension foam oil displacement agent and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103937481A (en) | High-temperature-resistant and low-tension foam flooding agent and preparation method thereof | |
| CN107365574B (en) | Viscosity-reducing oil displacement agent for common heavy oil reservoir and preparation method thereof | |
| CN103540304B (en) | Surfactant composition for intensified oil production and preparation method thereof | |
| CN104232045B (en) | Composite surface active agent composition and preparation method and application thereof | |
| CN103422840B (en) | Use the flooding method of anions and canons complexed surfactant | |
| CN102504794B (en) | Hydrophobically associating polymer and mixed surfactant binary compound oil displacement system | |
| CN102977872B (en) | A kind of strengthening foam oil-displacing agent for enhancing crude oil recovery efficiency in tertiary recovery and preparation method thereof | |
| CN100564476C (en) | A kind of tensio-active agent and the formula system in oil production technology | |
| CN103740354B (en) | A surfactant composition used for tertiary oil recovery and a preparation method thereof | |
| CN103952132A (en) | Salt synergistic anti-temperature and anti-salt foam system | |
| JPS59185286A (en) | Recovery of petroleum | |
| CN103540303A (en) | Composite surfactant composition as well as preparation method thereof | |
| CN108659801A (en) | Resist the low density water base drilling fluid and the preparation method and application thereof of 248 DEG C of superhigh temperature | |
| CN103666430A (en) | Surfactant composition for intensifying oil extraction and preparation method thereof | |
| CN103740357A (en) | Low-tension foaming agent composition and preparation method thereof | |
| CN103540305B (en) | Surfactant composition for chemical displacement of reservoir oil and preparation method thereof | |
| CN106433592A (en) | Organic base composite oil displacement system suitable for high-calcium oil reservoirs, and preparation method thereof | |
| CN104277814A (en) | Oil-displacement surfactant composition, preparation method and application | |
| CN104745168A (en) | High-temperature-resistant low-tension foam oil-displacing agent and application thereof | |
| CN104449630A (en) | Surfactant composition for oil recovery and preparation method of surfactant composition | |
| CN104109520B (en) | Foaming agent suitable for high-temperature and high-salinity oil reservoir and preparation method thereof | |
| CN103540306B (en) | Three adopt surfactant composition and preparation method thereof | |
| CN111087347B (en) | Alkyl imidazoline sulfonate zwitterionic surfactant, composition, preparation method and application thereof | |
| CN104087276A (en) | Salt and high temperature resistant oil displacement agent for tertiary oil recovery | |
| CN104232047A (en) | Surface active agent composition for tertiary oil recovery and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |