CN101121882A - Crude oil composite type emulsification viscosity reducer and preparation method thereof - Google Patents
Crude oil composite type emulsification viscosity reducer and preparation method thereof Download PDFInfo
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- CN101121882A CN101121882A CNA2007101197286A CN200710119728A CN101121882A CN 101121882 A CN101121882 A CN 101121882A CN A2007101197286 A CNA2007101197286 A CN A2007101197286A CN 200710119728 A CN200710119728 A CN 200710119728A CN 101121882 A CN101121882 A CN 101121882A
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- composite type
- crude oil
- type emulsification
- reducing agent
- oil
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- 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.)
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Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 239000010779 crude oil Substances 0.000 title claims abstract description 15
- 238000004945 emulsification Methods 0.000 title claims description 20
- 238000002360 preparation method Methods 0.000 title description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 25
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000003208 petroleum Substances 0.000 claims abstract description 12
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 11
- -1 polyoxyethylene Polymers 0.000 claims abstract description 11
- 239000004094 surface-active agent Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 9
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 claims description 8
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 8
- 150000001408 amides Chemical class 0.000 claims description 8
- 235000019864 coconut oil Nutrition 0.000 claims description 8
- 239000003240 coconut oil Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 8
- 235000017550 sodium carbonate Nutrition 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 210000003298 dental enamel Anatomy 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 abstract description 6
- 230000001804 emulsifying effect Effects 0.000 abstract description 2
- 229940071160 cocoate Drugs 0.000 abstract 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 150000002191 fatty alcohols Chemical class 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 abstract 1
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract 1
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 description 1
- 241000218220 Ulmaceae Species 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 235000019633 pungent taste Nutrition 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
A crude oil composite emulsifying viscosity reducer is applied to oil well maintenance in oil fields. The method is characterized in that: the raw materials comprise the following components in percentage by weight: A. polyoxyethylene (5) cocoate: 0.5-1.5%; B. petroleum naphthenic acid monoethanolamide disodium sulfosuccinate: 3-8%; C. fatty alcohol polyoxyethylene ether: 5-15%; D. sodium hydroxide: 0.5-1.5%; E. sodium carbonate: 1.0-2.0%; F. sodium bicarbonate: 1.5-3%; FC-3B fluorocarbon surfactant: 0.05 percent to 0.1 percent; H. the balance of water. The effect is as follows: in the daily maintenance of the oil well, when the addition is 100 mg/l-200 mg/l, the high temperature resistant requirement of the daily viscosity reducer of the oil well can be met, and the requirement of the mineral salt resistance can also be met. Solving the problem of reducing viscosity of crude oil in an oil well.
Description
Technical field
The invention belongs to petroleum industry chemical technical field, relate in particular to a kind of property negatively charged ion and composite composite type emulsification viscosity reducing agent that forms of nonionogenic tenside with employed heatproof height, anti-salt in the well maintenance.In the oil well routine maintenance, dosage can satisfy the resistant to elevated temperatures requirement of the daily viscosity-depression agent of oil well when 50mg/l~100mg/l, can satisfy the requirement of anti-rock salt again.Solve the viscosity reduction problem of oil well routine maintenance.
Background technology
In the crude oil recovery process, usually use emulsifying pour depressor, but use aniorfic surfactant separately, saline-alkaline tolerance is not high enough; Use nonionic emulsifier non-refractory again separately, poor stability can not use more than cloud point.
Summary of the invention
The objective of the invention is: a kind of crude oil composite type emulsification viscosity reducing agent is provided, can satisfies the high temperature resistant requirement of the daily viscosity-depression agent of oil well, can satisfy the requirement of anti-rock salt again.Solve the reducing crude oil viscosity problem of oil well routine maintenance.
The technical scheme that the present invention is taked for its technical problem of solution is:
One, the starting material of crude oil composite type emulsification viscosity reducing agent comprise:
1, coconut oil polyoxyethylene (5) ester (industrial goods);
(Huang Hongzhou edits Chinese tensio-active agent overview one book, the 367th page of Chemical Industry Press)
Character: weak yellow liquid
Purposes: as emulsifying agent, dispersion agent
Production unit: Jiangsu circle in the air chemical limited-liability company, fine chemistry industry company of Shanghai Gaoqiao petro-chemical corporation, Shanghai Assistant Agent Factory Co., Ltd., the big new and high technology of Tianjin worker industrial corporation
2, petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt (industrial goods);
(Huang Hongzhou edits Chinese tensio-active agent overview one book, the 164th page of Chemical Industry Press)
Character: have the mildness of carboxylic acid sodium and the anti-hard water of sodium sulfonate concurrently, and pungency is low, high temperature resistance, foaminess are good.
Purposes: surfactant oil displacement, the oil water interfacial tension Schwellenwert of optimum formula flooding system is 1.0 * 1.0
-3MN/m
Production unit: applied chemistry institute of Xinjiang University, exploratory development research institute of Xinjiang Petroleum Administration
3, AE07 (industrial goods); (Huang Hongzhou edits Chinese tensio-active agent overview one book, the 326th page of Chemical Industry Press)
Formal name used at school: polyoxyethylene (7) C
12(or C
12~15) alkyl oxide
Another name: C
12E
nC
12~15E
7C
12(or C
12~15) alkyl polyoxyethylene (7) ether; C
12(or C
12~15) aliphatic alcohol polyethenoxy (7) ether.
Purposes: liquid washing agent, grease-removing agent, dispersion agent, wetting agent, emulsifying agent component, tertiary oil recovery auxiliary agent raw material, AE
7The S raw material.
Manufacturer: [Soviet Union] general petrochemical works, Hai'an
4, sodium hydroxide (industrial goods);
5, yellow soda ash (industrial goods);
6, sodium bicarbonate (industrial goods);
7, FC-3B fluorocarbon surfactant (industrial goods);
Character: faint yellow, consumption is that 0.01~0.05% o'clock surface tension is less than 16.8mN/m
Purposes: in oilfield exploitation procedure, can improve the output capacity of oil gas well.
Manufacturer: Shanghai Zhongke Hechen Co., Ltd. produces.
8, water.
The starting material components by weight of producing composite type emulsification viscosity reducing agent is:
1, coconut oil polyoxyethylene (5) ester (industrial goods): 0.5~1.5%;
2, petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt (industrial goods): 3~8%;
3, AE07 (industrial goods): 5~15%;
4, sodium hydroxide (industrial goods): 0.5~1.5%;
5, yellow soda ash (industrial goods): 1.0~2.0%;
6, sodium bicarbonate (industrial goods): 1.5~3%;
7, FC-3B fluorocarbon surfactant (industrial goods): 0.05%~0.1%;
8, all the other are water.
Two, the production method of composite type emulsification viscosity reducing agent
Major equipment:
Enamel reaction still with 2000L of stirring, heating, cooling and vacuum system.
Production method:
At first, water, coconut oil polyoxyethylene (5) ester, petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt, AE07 and five kinds of raw materials of FC-3B fluorocarbon surfactant are added enamel reaction still in proportion.Slowly be warmed up to 50~65 ℃.Under constantly stirring, under vacuum condition, add sodium bicarbonate, yellow soda ash, sodium hydroxide in proportion, continue to stir after 30 minutes, stop heating from reactor.Stir while cooling off, be cooled to normal temperature.Obtain composite type emulsification viscosity reducing agent.
The invention has the beneficial effects as follows: adopt the composite type emulsification viscosity reducing agent of present method preparation, in the oil well routine maintenance, dosage can satisfy the high temperature resistant requirement of the daily viscosity-depression agent of oil well when 100mg/l~200mg/l, can satisfy the requirement of anti-rock salt again.Solve the reducing crude oil viscosity problem of oil well routine maintenance.
Embodiment
Utilize the present invention on probation in the oil well routine maintenance of numerous wells in some oil districts of North China Oilfield time, dosage can satisfy the resistant to elevated temperatures requirement of the daily viscosity-depression agent of oil well when 100mg/l~200mg/l, can satisfy the requirement of anti-rock salt again.Solve the reducing crude oil viscosity problem of oil well routine maintenance, improve the crude monoglyceride well production rate.
Embodiment 1: the prescription and the production technique of composite type emulsification viscosity reducing agent are: at first, 79.42% water, 1.0% coconut oil polyoxyethylene (5) ester, 5.5% petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt, 9.5% AE07 and five kinds of raw materials of FC-3B fluorocarbon surfactant of 0.08% are added enamel reaction still in proportion.Slowly be warmed up to 55 ℃.Under constantly stirring, under vacuum condition, add 2.0% sodium bicarbonate, 1.5% yellow soda ash, 1.0% sodium hydroxide in proportion, continue to stir after 30 minutes, stop heating from reactor.Stir while cooling off, be cooled to normal temperature.Obtain composite type emulsification viscosity reducing agent.
Embodiment 2: the prescription and the production technique of composite type emulsification viscosity reducing agent are: at first, 85.05% water, 0.7% coconut oil polyoxyethylene (5) ester, 3.8% petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt, 6.2% AE07 and five kinds of raw materials of FC-3B fluorocarbon surfactant of 0.06% are added enamel reaction still in proportion.Slowly be warmed up to 62 ℃.Under constantly stirring, under vacuum condition, add 1.3% sodium bicarbonate, 1.26% yellow soda ash, 0.73% sodium hydroxide in proportion, continue to stir after 30 minutes, stop heating from reactor.Stir while cooling off, be cooled to normal temperature.Obtain composite type emulsification viscosity reducing agent.
Embodiment 3: the prescription and the production technique of composite type emulsification viscosity reducing agent are: at first, the petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt that 73.73% water, coconut oil polyoxyethylene (5) ester that Shanghai Assistant Agent Factory Co., Ltd. of 1.35% produces, 7.1% exploratory development research institute of Xinjiang Petroleum Administration are produced, 12.3% AE07 and five kinds of raw materials of FC-3B fluorocarbon surfactant of 0.07% add enamel reaction still in proportion.Slowly be warmed up to 65 ℃.Under constantly stirring, under vacuum condition, add 2.7% sodium bicarbonate, 1.6% yellow soda ash, 1.15% sodium hydroxide in proportion, continue to stir after 30 minutes, stop heating from reactor.Stir while cooling off, be cooled to normal temperature.Obtain composite type emulsification viscosity reducing agent.
Viscosity break ratio is estimated:
Add the viscosity of crude of this composite type emulsification viscosity reducing agent front and back with rotary viscosity measuring, calculate viscosity break ratio.
Step
1, get crude oil sample, preheating in water-bath, its viscosity number when measuring 50 ℃, note is made μ 0;
2, with adding this composite type emulsification viscosity reducing agent in the crude oil sample, stir, its viscosity number when measuring 50 ℃, note is made μ
1
3, viscosity break ratio (%)=100% (μ
0-μ
1)/μ
0
Example | The crude oil source | Blank sample viscosity mpa.s | Salinity mg/l | Viscosity of crude mpa.s after the dosing | Viscosity break ratio % |
Embodiment 1 | Shanxi 45 | 327 | 11320 | 18 | 94.5 |
Embodiment 2 | Car city | 672 | 9821 | 25 | 96.3 |
Embodiment 3 | Ulmaceae | 634 | 8764 | 33 | 94.8 |
Claims (2)
1. crude oil composite type emulsification viscosity reducing agent, it is characterized in that: the starting material components by weight is:
A, coconut oil polyoxyethylene (5) ester: 0.5~1.5%;
B, petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt: 3~8%;
C、AEO7:5~15%;
D, sodium hydroxide: 0.5~1.5%;
E, yellow soda ash: 1.0~2.0%;
F, sodium bicarbonate: 1.5~3%;
G, FC-3B fluorocarbon surfactant: 0.05%~0.1%;
H, all the other are water.
2. the production method of crude oil composite type emulsification viscosity reducing agent according to claim 1, it is characterized in that: at first, water, coconut oil polyoxyethylene (5) ester, petroleum naphthenic acid single ethanol amide sulfosuccinic acid monoesters disodium salt, AEO7 and five kinds of raw materials of FC-3B fluorocarbon surfactant are added enamel reaction still in proportion, slowly be warmed up to 50~65 ℃; Under constantly stirring, under vacuum condition, add sodium bicarbonate, yellow soda ash, sodium hydroxide in proportion, continue to stir after 30 minutes, stop heating from reactor; Stir while cooling off, be cooled to normal temperature, obtain composite type emulsification viscosity reducing agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101197286A CN100537698C (en) | 2007-07-31 | 2007-07-31 | Crude oil composite type emulsification viscosity reducer and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007101197286A CN100537698C (en) | 2007-07-31 | 2007-07-31 | Crude oil composite type emulsification viscosity reducer and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101121882A true CN101121882A (en) | 2008-02-13 |
CN100537698C CN100537698C (en) | 2009-09-09 |
Family
ID=39084384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2007101197286A Active CN100537698C (en) | 2007-07-31 | 2007-07-31 | Crude oil composite type emulsification viscosity reducer and preparation method thereof |
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Country | Link |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103773010A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Hot mix asphalt additive and preparation method thereof |
CN106244126A (en) * | 2016-07-03 | 2016-12-21 | 青岛大学 | A kind of method preparing heavy crude thinner for raw material with aphthenic acids |
CN111205843A (en) * | 2019-06-18 | 2020-05-29 | 中国石油大学(北京) | Thick oil viscosity reducer, preparation method and use method thereof |
CN113528109A (en) * | 2021-06-02 | 2021-10-22 | 中国石油大学(北京) | Viscosity reducer, preparation method and application thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4265264A (en) * | 1979-04-30 | 1981-05-05 | Conoco, Inc. | Method of transporting viscous hydrocarbons |
-
2007
- 2007-07-31 CN CNB2007101197286A patent/CN100537698C/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103773010A (en) * | 2012-10-25 | 2014-05-07 | 中国石油化工股份有限公司 | Hot mix asphalt additive and preparation method thereof |
CN103773010B (en) * | 2012-10-25 | 2015-09-30 | 中国石油化工股份有限公司 | A kind of warm-mixed asphalt additive and preparation method thereof |
CN106244126A (en) * | 2016-07-03 | 2016-12-21 | 青岛大学 | A kind of method preparing heavy crude thinner for raw material with aphthenic acids |
CN106244126B (en) * | 2016-07-03 | 2019-01-25 | 青岛大学 | A method of heavy crude thinner is prepared by raw material of aphthenic acids |
CN111205843A (en) * | 2019-06-18 | 2020-05-29 | 中国石油大学(北京) | Thick oil viscosity reducer, preparation method and use method thereof |
CN111205843B (en) * | 2019-06-18 | 2021-06-25 | 中国石油大学(北京) | Thick oil viscosity reducer, preparation method and use method thereof |
CN113528109A (en) * | 2021-06-02 | 2021-10-22 | 中国石油大学(北京) | Viscosity reducer, preparation method and application thereof |
Also Published As
Publication number | Publication date |
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CN100537698C (en) | 2009-09-09 |
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