CN105038751B - Alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application - Google Patents
Alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application Download PDFInfo
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- CN105038751B CN105038751B CN201510255795.5A CN201510255795A CN105038751B CN 105038751 B CN105038751 B CN 105038751B CN 201510255795 A CN201510255795 A CN 201510255795A CN 105038751 B CN105038751 B CN 105038751B
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- alkyl amino
- amino betaine
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- -1 alkyl amino betaine Chemical compound 0.000 title claims abstract description 25
- 239000011218 binary composite Substances 0.000 title claims abstract description 23
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229960003237 betaine Drugs 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 235000019198 oils Nutrition 0.000 claims description 29
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 235000010469 Glycine max Nutrition 0.000 claims description 3
- 244000068988 Glycine max Species 0.000 claims description 3
- 241001494479 Pecora Species 0.000 claims description 3
- 235000012343 cottonseed oil Nutrition 0.000 claims description 3
- 239000002385 cottonseed oil Substances 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 235000014121 butter Nutrition 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 235000016068 Berberis vulgaris Nutrition 0.000 abstract description 7
- 241000335053 Beta vulgaris Species 0.000 abstract description 7
- 239000003513 alkali Substances 0.000 abstract description 7
- 239000012190 activator Substances 0.000 abstract description 6
- 239000007864 aqueous solution Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000010779 crude oil Substances 0.000 abstract description 3
- 241001044369 Amphion Species 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 24
- 238000013019 agitation Methods 0.000 description 16
- 239000002585 base Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 6
- IPMWIVQWGGRTLD-UHFFFAOYSA-N n'-[2-(propylamino)ethyl]ethane-1,2-diamine Chemical class CCCNCCNCCN IPMWIVQWGGRTLD-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 235000015424 sodium Nutrition 0.000 description 3
- PQDIPHTVZKGZBI-UHFFFAOYSA-N [Na].C(C)(=O)O.NC(=N)N.C(CC)NCCNCCN Chemical class [Na].C(C)(=O)O.NC(=N)N.C(CC)NCCNCCN PQDIPHTVZKGZBI-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MQVMJSWYKLYFIG-UHFFFAOYSA-N propane-1-sulfonic acid;sodium Chemical compound [Na].CCCS(O)(=O)=O MQVMJSWYKLYFIG-UHFFFAOYSA-N 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- YVLHRYOHNHUVOA-UHFFFAOYSA-N 2,2-dimethylpropane-1,1-diamine Chemical compound CC(C)(C)C(N)N YVLHRYOHNHUVOA-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001272567 Hominoidea Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- QDPMLKBAQOZXEF-UHFFFAOYSA-N ethanesulfonic acid;sodium Chemical compound [Na].CCS(O)(=O)=O QDPMLKBAQOZXEF-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 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
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- 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application, belong to technical field of petroleum extraction.The binary composite oil-displacing system by mass percentage, including：Partially hydrolyzed polyacrylamide (PHPA)：0.05~0.3%；Alkyl amino betaine：0.03~0.5%；Remaining is water.The isoelectric zone domain of alkyl amino betaine provided by the invention is 7~9.5, is NaHCO in reservoir water quality3In type weakly alkaline environment, amphion feature is presented, the function of beet alkali surface activator can be given full play to, the swept volume of oil displacement system is improved by the viscosity of the partially hydrolyzed polyacrylamide (PHPA) aqueous solution, crude oil interfacial tension is reduced by the alkyl amino betaine aqueous solution, therefore is more beneficial for improving the recovery ratio of alkalescent oil reservoir.
Description
Technical field
The present invention relates to a kind of alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application, belong to
Technical field of petroleum extraction.
Background technology
Tertiary oil recovery is divided into heating power drive（Such as steam drives, combustion in situ）, mixed phase drive（Such as CO2Mixed phase drives, hydrocarbon miscible flooding
Deng）, chemical flooding（Such as surfactant flooding, polymer flooding, binary combination flooding and ternary composite driving）And microorganism drives four
Class.Chemical flooding is most widely used displacement technology in tertiary oil recovery, and surfactant is most important chemical agent in chemical flooding,
The hydrophobic grouping of X surfactants and the structures shape of the hydrophilic radical interfacial tension of displacing fluid and crude oil.For adopting three times
The surfactant of oily chemical flooding mainly has anionic, anion-nonionic type and amphoteric surfactant.Cai Hongyan et al. applies
Patent No. CN103113868A " a kind of alkali-free combined chemical flooding composition and the application in tertiary oil recovery ", has used fat
Fat acid acid amides betaine-like." single surfactant stores up Ran Xin power et al. the number of applying for a patent CN102942909A in extra-low permeability
Application in layer reservoir chemical flooding oil " has used N- alkyl-ω-alkyl diamine.Kong Wenbin et al. the number of applying for a patent
APES beet has been used in CN102278102A " the Novel Dual flooding method for being used for high temperature and high salt oil deposit "
Alkali.Betaines surfactant has turned into the significant surfaces activating agent used in chemical flooding.
Beet alkali surface activator has isoelectric point, while isoelectric zone domain be present, when aqueous ph value is less than isoelectric zone domain
When, in cationic character；During more than isoelectric zone domain, in anionic character, the beet alkali surface activator only in isoelectric zone domain
In ambisexuality.Therefore, the pH value of the beet alkali surface activator aqueous solution directly affects the activity of beet alkali surface activator.
The content of the invention
Present invention aims at provide a kind of alkalescent oil reservoir with alkyl amino betaine binary composite oil-displacing system and its
Using.
The technical solution adopted by the present invention is：
A kind of alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system, by mass percentage, including with
Lower component：
Partially hydrolyzed polyacrylamide (PHPA)：0.05~0.3%；
Alkyl amino betaine：0.03~0.5%；
Remaining is water.
Above-mentioned alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system, it is NaHCO for reservoir water quality3
Type, in the weakly alkaline environment of PH=7~9, carry out binary complex oil displacing.
Using the present invention of above-mentioned technical proposal, compared with prior art, its advantage is：
The isoelectric zone domain of alkyl amino betaine provided by the invention is 7~9.5, is NaHCO in reservoir water quality3Type weak base
Property environment in, present amphion feature, the function of beet alkali surface activator can be given full play to, pass through partial hydrolysis polypropylene
The viscosity of amide aqueous solution improves the swept volume of oil displacement system, and crude oil interface is reduced by the alkyl amino betaine aqueous solution
Power, therefore it is more beneficial for improving the recovery ratio of alkalescent oil reservoir.
Preferably, the further technical scheme of the present invention is：
Described partially hydrolyzed polyacrylamide (PHPA) mean molecule quantity is 1500~26,000,000, and degree of hydrolysis is 12~25%.
Described alkyl amino betaine is a kind of alkyl amino betaine surfactant, and its molecular structure is：
Wherein R is C12~C22Saturation or unsaturated linear paraffin, especially cocoyl, soya-bean oil base, cottonseed oil base, vegetable seed
Oil base, sheep oil base, tallow and lard base；X is CH2COONa、CH2CH(OH)CH2SO3Na、CH2CH2SO3Na or
CH2CH2CH2SO3One kind in Na.
Brief description of the drawings
Fig. 1 is the Evaluation of Thermal Stability table of binary composite displacement system of the embodiment of the present invention；
Fig. 2 is different surfaces activating agent performance evaluation table of the embodiment of the present invention；
Fig. 3 is surfactant isoelectric zone list of the embodiment of the present invention.
Embodiment
The implementation process and caused effect described in detail by the following examples, it is intended to more fully understand the reality of the present invention
Matter and feature, not as to this case can practical range restriction.
Embodiment 1：
500ml stratum water is taken, adds 2.0g polyacrylamides under agitation（Molecular weight is 18,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, adds 2.0g cocoyl dimethylated propyl diethylenetriamine base hydroxypropyl azochlorosulfonate acid sodiums under agitation, at room temperature
Stirring and dissolving 2h, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 2：
500ml stratum water is taken, adds 1.0g polyacrylamides under agitation（Molecular weight is 25,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, 3.0g cocoyl dimethylated propyl diethylenetriamine base ethylsulfonic acid sodium is added under agitation, stirs at room temperature
Dissolving 2h is mixed, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 3：
500ml stratum water is taken, adds 1.5g polyacrylamides under agitation（Molecular weight is 25,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, 3.0g cottonseed oil base dimethylated propyl diethylenetriamine guanidine-acetic acid sodium is added under agitation, stirs at room temperature
2h is dissolved, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 4：
500ml stratum water is taken, adds 1.5g polyacrylamides under agitation（Molecular weight is 18,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, 2.5g tallow dimethyl propane diamine base propyl sulfonic acid sodium is added under agitation, stirs at room temperature
Dissolving 2h is mixed, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 5：
500ml stratum water is taken, adds 2.0g polyacrylamides under agitation（Molecular weight is 18,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, adds 2.0g lard base dimethylated propyl diethylenetriamine base hydroxypropyl azochlorosulfonate acid sodiums under agitation, at room temperature
Stirring and dissolving 2h, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 6：
500ml stratum water is taken, adds 2.0g polyacrylamides under agitation（Molecular weight is 18,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, 2.0g sheep oil base dimethylated propyl diethylenetriamine base propyl sulfonic acid sodium is added under agitation, stirs at room temperature
Dissolving 2h is mixed, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 7：
500ml stratum water is taken, adds 2.5g polyacrylamides under agitation（Molecular weight is 18,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, adds 2.5g soya-bean oil base dimethylated propyl diethylenetriamine base hydroxypropyl azochlorosulfonate acid sodiums under agitation, at room temperature
Stirring and dissolving 2h, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Embodiment 8：
500ml stratum water is taken, adds 1.0g polyacrylamides under agitation（Molecular weight is 25,000,000）, stir at room temperature molten
Solve 4h.500ml stratum water separately is taken, 2.0g Rap Oil -based dimethylated propyl diethylenetriamine guanidine-acetic acid sodium is added under agitation, stirs at room temperature
2h is dissolved, above two solution is mixed, stirring 2h is well mixed, and obtains binary composite oil-displacing system.
Above-mentioned binary composite oil-displacing system henchnmrk test is as follows：
1. interface tension force and viscosity retention ratio evaluation.
According to《Binary complex oil displacing surfactant technology specification》（Q/SY1586-2013）With《Composite oil-displacing system
Performance test methods》（SY/T6424-2009）Standard carries out binary composite oil-displacing system performance evaluation.Binary composite displacement system heat
Stability is as shown in Figure 1.
2. stripping oil and emulsifiability evaluation.
According to《Binary complex oil displacing surfactant technology specification》（Q/SY1586-2013）Standard is to table in embodiment
Face activating agent carries out performance evaluation, as a result as shown in Figure 2.
3. the measure of surfactant isoelectric zone, as a result as shown in Figure 3.
Preferably feasible embodiment of the invention is the foregoing is only, not thereby limits to the interest field of the present invention,
All equivalence changes made with present specification, it is both contained within the interest field of the present invention.
Claims (3)
1. a kind of alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system, it is characterised in that the binary is compound
Oil displacement system by mass percentage, including following component：
Partially hydrolyzed polyacrylamide (PHPA)：0.05~0.3%；
Alkyl amino betaine：0.03~0.5%；
Remaining is water；
Described partially hydrolyzed polyacrylamide (PHPA) mean molecule quantity is 1500~26,000,000, and degree of hydrolysis is 12~25%；
Described alkyl amino betaine is a kind of alkyl amino betaine surfactant, and its molecular structure is：
Wherein R is C12~C22Saturation or unsaturated linear paraffin；X is CH2COONa、CH2CH(OH)CH2SO3Na、CH2CH2SO3Na
Or CH2CH2CH2SO3One kind in Na.
2. alkalescent oil reservoir as claimed in claim 1 alkyl amino betaine binary composite oil-displacing system, it is characterised in that
The C12~C22Saturation or unsaturated linear paraffin are cocoyl, soya-bean oil base, cottonseed oil base, Rap Oil -based, sheep oil base, butter
Base and lard base.
3. a kind of application of alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system as claimed in claim 1,
Characterized in that, it is NaHCO for reservoir water quality3Type, in the weakly alkaline environment of PH=7~9, carry out binary complex oil displacing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510255795.5A CN105038751B (en) | 2015-05-19 | 2015-05-19 | Alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application |
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| CN201510255795.5A CN105038751B (en) | 2015-05-19 | 2015-05-19 | Alkalescent oil reservoir alkyl amino betaine binary composite oil-displacing system and its application |
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| Publication Number | Publication Date |
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| CN105038751B true CN105038751B (en) | 2017-12-29 |
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| WO2017174424A1 (en) * | 2016-04-08 | 2017-10-12 | Rhodia Operations | Zwitterionic surfactants suitable for enhanced oil recovery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113868A (en) * | 2013-02-06 | 2013-05-22 | 中国石油天然气股份有限公司 | Alkali-free chemical compound oil displacement composition and application thereof in tertiary oil recovery |
| CN104277807A (en) * | 2013-07-09 | 2015-01-14 | 中国石油化工股份有限公司 | Alkali-free oil displacement system suitable for high-temperature high wax-bearing oil reservoirs and application thereof |
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2015
- 2015-05-19 CN CN201510255795.5A patent/CN105038751B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113868A (en) * | 2013-02-06 | 2013-05-22 | 中国石油天然气股份有限公司 | Alkali-free chemical compound oil displacement composition and application thereof in tertiary oil recovery |
| CN104277807A (en) * | 2013-07-09 | 2015-01-14 | 中国石油化工股份有限公司 | Alkali-free oil displacement system suitable for high-temperature high wax-bearing oil reservoirs and application thereof |
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Effective date of registration: 20200929 Address after: 063500 Hebei province Tangshan City Luannan County noble Fort Patentee after: TANGSHAN JIYOU RUIFENG CHEMICAL Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 063500 Hebei province Tangshan City Luannan County noble Fort Patentee before: TANGSHAN JIYOU RUIFENG CHEMICAL Co.,Ltd. |