CN103937466A - Foaming agent used for oilfield development - Google Patents
Foaming agent used for oilfield development Download PDFInfo
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- CN103937466A CN103937466A CN201410095718.3A CN201410095718A CN103937466A CN 103937466 A CN103937466 A CN 103937466A CN 201410095718 A CN201410095718 A CN 201410095718A CN 103937466 A CN103937466 A CN 103937466A
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- C09K8/516—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material
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- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
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- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
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- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
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- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
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- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/70—Compositions for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams
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Abstract
The invention relates to a foaming agent used for oilfield development. The foaming agent is characterized in that the foaming agent comprises 5-30wt% of a sulfamic acid type ampholytic surfactant, 1-20wt% of an anionic surfactant, 0-20wt% of a nonionic surfactant, 0.05-5wt% of a foam stabilizer, and the balance water. The sulfamic acid type ampholytic surfactant has a chemical structure represented by general formula (I) shown in the specification. The foaming agent has a good foam stability, can be used in water containing different valences of inorganic salt ions, enables the salinity of water to reach 150000ppm and the concentration of high-valence ions of Ca, Mg and the like to reach 8000ppm; and the foaming agent has the characteristics of low cost, environmental protection, good salt resistance, good foam performance, strong interface activity and wide application range.
Description
Technical field:
The present invention relates to a kind of whipping agent for oil-field development, belong to oilfield chemistry applied technical field.
Background technology:
At present, oil-field development has entered the middle and later periods mostly, not only production capacity generally declines, and commonplace be that waterflood flush causes mostly containing a large amount of inorganic salt in on-the-spot operable water or local water, the existence of these inorganic salt has proposed new challenge to the salt resistant character of the oil field chemical using, and also becomes some chemical and is used in one of important restriction factor of Oil Field.
In oil-field development, foam system can be in multiple technical matters links such as oil field profile control, the displacement of reservoir oil, drilling well, water pumping gas production, pressure break, acidifying, well cementing of cement and sand-flushing, and therefore, whipping agent has application very widely in oil-field development.
In the process of practical application, the stability that whipping agent forms foam in the water that contains different valence state inorganic ion is its key effectively using, and certainly also relates to the impact of temperature, pressure, resident fluid or other working fluid.Therefore, for the exploitation present situation in current oil field, design and both have good foam stabilization performance, the whipping agent again with performances such as good salt tolerants is very important.
Summary of the invention:
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of whipping agent for oil-field development, there is good froth stability, can in the water that contains different valence state inorganic ion, use, the high price ionic concns such as the salinity of water can be up to 150000ppm, calcium magnesium can reach 8000ppm; Have that cost is low, environmental protection, salt resistant character and foaming properties is good, interfacial activity is stronger, applied widely feature.
The present invention realizes above-mentioned purpose by following technical solution.
A kind of whipping agent for oil-field development provided by the present invention, it consists of: sulfamic acid amphoteric surfactant, anion surfactant, nonionogenic tenside, suds-stabilizing agent, water; Wherein the weight percent of each component is:
Sulfamic acid amphoteric surfactant: 5%-30%;
Anion surfactant: 1%-20%;
Nonionogenic tenside: 0%-20%;
Suds-stabilizing agent: 0.05%-5%;
Water: surplus;
Described sulfamic acid amphoteric surfactant has following chemical structure of general formula (I):
Wherein: R
1alkyl-group of naphthene base or aralkyl or the alkaryl that there is the alkyl or alkenyl of straight or branched of 1-24 carbon atom or alkyl or aryl part and have at least 6 carbon atoms;
R
2be hydrogen atom or-CH
2oH ,-CH
2cH
2oH ,-CH
2cH
2cH
2one in OH group or R
1, or-R
6-SO
3m group;
R
3, R
4be hydrogen atom or-OH ,-CH
3,-CH
2cH
3,-CH
2cH
2cH
3one in group, R
3and R
4can be identical, also can be different;
R
5hydrogen atom or and R
1identical;
R
6be-CH
2cH
2-,-CH
2cH (OH) CH
2one in-group;
X is integer 2,3, in 4 one;
Y is integer 1,2, in 3,4 one;
M is hydrogen atom or basic metal or alkaline-earth metal;
Described sulfamic acid amphoteric surfactant is one or more the mixture in the sulfamic acid amphoteric surfactant of different chemical structures formula in chemical general formula (I);
The radicals R of described sulfamic acid amphoteric surfactant
1preferably alkyl or alkyl-cycloalkyl or aralkyl or the alkaryl of carbon number between 8-18;
Described anion surfactant is one or more the mixture in sulfonated petro-leum, sulfonated lignin, sulfovinate, hydrocarbyl sulfonate, hydrocarbon phenyl sulfonate, heavy hydrocarbon phenyl sulfonate, alkyl alcohol polyethenoxy ether sulphonate, alkyl alcohol polyoxyethylene ether sulfate, sulfonated α-olefin, soap;
Described nonionogenic tenside is one or more the mixture in alkylphenol polyoxyethylene, high-carbon fatty alcohol polyoxyethylene ether, sorbitan fatty acid ester, Span, alkyl polyglycoside;
Described suds-stabilizing agent is one or more the mixture in high fatty alcohol, carboxy cellulose, polyacrylamide, Zulkovsky starch;
High fatty alcohol in described suds-stabilizing agent is the straight-chain monohydric alcohol that carbon number is greater than 8.
The preparation method of a kind of whipping agent for oil-field development of the present invention is: at the temperature of room temperature or a little higher than room temperature, in proportion sulfamic acid amphoteric surfactant is added water and mixed with anion surfactant, nonionogenic tenside and suds-stabilizing agent, obtain whipping agent of the present invention.
The present invention has following beneficial effect compared with prior art:
1, environmental protection.Sulfamic acid amphoteric surfactant in whipping agent of the present invention has good biodegradability, and good environmental adaptability can not damage to environment or to stratum, meets the requirement of environmental protection, safety in production.
2, cost is low.In whipping agent of the present invention, the anion surfactant that uses, nonionogenic tenside and suds-stabilizing agent are traditional commercially available prod, cheap, they greatly reduce the holistic cost of product by composite with the sulfamic acid amphoteric surfactant of chemical general formula (I); Usage quantity is few, has reduced use cost.
3, salt resistant character is good.Whipping agent of the present invention can be used in salinity and reach in the water of 8000ppm up to high price cation concns such as 150000ppm, calcium magnesium, meets the requirement that makes water in oilfield development process.
4, foaming properties is good.The foam that whipping agent of the present invention produces is evenly fine and smooth, good stability.
5, source of the gas used is wide.Whipping agent of the present invention bubbling gas used comprises air, nitrogen, Sweet natural gas, methane, carbonic acid gas, nitrous oxide, stack gas and steam etc.
6, interfacial activity is stronger.Whipping agent of the present invention also can reduce oil water interfacial tension to 10
-2the even lower order of magnitude.
7, applied widely.Whipping agent of the present invention can be adjusted the composition of formula system according to actual needs, can be used in multiple technical matters links such as oil field profile control, the displacement of reservoir oil, drilling well, water pumping gas production, pressure break, acidifying, well cementing of cement and sand-flushing.
Embodiment:
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1:
This example is for the preparation of whipping agent FP-1.
100g water is joined in the mixture being made up of dodecyl-divinyl triamine-2-hydroxypropionate sodium 45g, sodium laurylsulfonate 30g, OP-1015g and lauryl alcohol 2g, stir, obtain FP-1.
Embodiment 2:
This example is for the preparation of whipping agent FP-2.
110g water is joined in the mixture being formed by dodecyl-divinyl triamine-2-hydroxypropionate sodium 25g, dodecylphenyl-divinyl triamine-2-hydroxypropionate sodium 15g, sodium lauryl sulphate 10g, Sodium dodecylbenzene sulfonate 20g, OP-1020g and lauryl alcohol 3g, stir, obtain FP-2.
Embodiment 3:
This example is for the preparation of whipping agent FP-3.
120g water is joined by N-(9-octadecylene base) in the mixture that forms of-divinyl triamine ethyl sulfonic acid sodium 20g, dodecyl-divinyl triamine-2-hydroxypropionate sodium 10g, dodecyl alcohol polyoxyethylene base (10) sodium sulfate 20g, Sodium dodecylbenzene sulfonate 10g and Xylo-Mucine 0.5g, stir, obtain FP-3.
Embodiment 4:
This example is for the preparation of whipping agent FP-4.
100g water is joined in the mixture being formed by tetradecyl-divinyl triamine ethyl sulfonic acid sodium 30g, dodecyl alcohol polyoxyethylene base (10) sodium sulfate 30g, Sodium dodecylbenzene sulfonate 15g, Tween-405g and Xylo-Mucine 0.3g, stir, obtain FP-4.
Embodiment 5:
This example is for the preparation of whipping agent FP-5.
80g water is joined in the mixture being formed by hexadecyl-divinyl triamine ethyl sulfonic acid sodium 20g, dodecyl alcohol polyoxyethylene base (10) sodium sulfonate 10g, petroleum sodium sulfonate 15g, OP-1010g, Tween-405g and Xylo-Mucine 0.4g, stir, obtain FP-5.
Embodiment 6:
This example is used for preparing simulation salt solution YS-1.
Simulation Xinjiang Oilfield block local water, ion composition: K
++ Na
+7240, Cl-8548, SO
4 2-2512, HCO
3 -195, Ca
2+683, Mg
2+141, total mineralization 19319(mg/L), wherein Ca
2++ Mg
2+824mg/L.Inorganic salt and water are mixed, obtain YS-1.
Embodiment 7:
This example is used for preparing simulation salt solution YS-2.
The long celebrating of simulation oil field block local water, ion composition: K
++ Na
+52684, Cl
-61238, CO
3 2-413, Ca
2+6128, Mg
2+918, Ba
2+712, total mineralization 122093(mg/L), wherein Ca
2++ Mg
2++ Ba
2+7758mg/L.Inorganic salt and water are mixed, obtain YS-2.
Embodiment 8-22:
The foaming properties of the simulation salt solution YS-1 that embodiment 8-22 configures at embodiment 6 for test implementation example 1-5.
The whipping agent of embodiment 1-5 is joined in the simulation salt solution YS-1 that embodiment 6 prepared with 0.1%, 0.5% and 0.8% mass concentration respectively, its foaming properties is measured and evaluated.
Adopt improved Bilerman method (Foams:theory, measurements and applications.Marcel Dekker Inc., 1995) to measure performance perameter---whipability and the foam stability of foam.Under the constant temperature of 40 DEG C, with pneumatic pump with the speed of 10mL/L to the 5min that ventilates in foaming test apparatus, the volume that records the complete generation foam of gas injection (is foaming volume V
max) and lather volume time of being reduced to an original half (be transformation period t
0.5), calculate foam aggregative index F=3 × V
max× t
0.5/ 4.
Foaming properties measurement result is got the mean value of three tests, and experimental value and calculation result are in table 1.
Embodiment 23-37:
The foaming properties of the simulation salt solution YS-2 that embodiment 23-37 configures at embodiment 7 for test implementation example 1-5.
The whipping agent of embodiment 1-5 is joined in the simulation salt solution YS-2 that embodiment 7 prepared with 0.1%, 0.5% and 0.8% mass concentration respectively, its foaming properties is measured and evaluated.
Mensuration and evaluation method still adopt the method in embodiment 8-22, and foaming properties measurement result is still got the mean value of three tests, and experimental value and calculation result are in table 2.
Table 1
Table 2
Data in table 1 and table 2 show: the foaming volume of whipping agent of the present invention in different salinity water is all greater than 140mL, half foam life period has all exceeded 70min, foam aggregative index has all exceeded 11000mLmin, show good foaming properties, can meet the demand of the each technological process of oil-field development.
Claims (7)
1. for a whipping agent for oil-field development, it is characterized in that it consists of: sulfamic acid amphoteric surfactant, anion surfactant, nonionogenic tenside, suds-stabilizing agent, water; Wherein the weight percent of each component is:
Sulfamic acid amphoteric surfactant: 5%-30%;
Anion surfactant: 1%-20%;
Nonionogenic tenside: 0%-20%;
Suds-stabilizing agent: 0.05%-5%;
Water: surplus.
2. a kind of whipping agent for oil-field development according to claim 1, is characterized in that described sulfamic acid amphoteric surfactant has following chemical structure of general formula (I):
Wherein: R
1alkyl-group of naphthene base or aralkyl or the alkaryl that there is the alkyl or alkenyl of straight or branched of 1-24 carbon atom or alkyl or aryl part and have at least 6 carbon atoms;
R
2be hydrogen atom or-CH
2oH ,-CH
2cH
2oH ,-CH
2cH
2cH
2one in OH group or R
1, or-R
6-SO
3m group;
R
3, R
4be hydrogen atom or-OH ,-CH
3,-CH
2cH
3,-CH
2cH
2cH
3one in group, R
3and R
4can be identical, also can be different;
R
5hydrogen atom or and R
1identical;
R
6be-CH
2cH
2-,-CH
2cH (OH) CH
2one in-group;
X is integer 2,3, in 4 one;
Y is integer 1,2, in 3,4 one;
M is hydrogen atom or basic metal or alkaline-earth metal;
Described sulfamic acid amphoteric surfactant is one or more the mixture in the sulfamic acid amphoteric surfactant of different chemical structures formula in chemical general formula (I).
3. a kind of whipping agent for oil-field development according to claim 1, is characterized in that described anion surfactant is one or more the mixture in sulfonated petro-leum, sulfonated lignin, sulfovinate, hydrocarbyl sulfonate, hydrocarbon phenyl sulfonate, heavy hydrocarbon phenyl sulfonate, alkyl alcohol polyethenoxy ether sulphonate, alkyl alcohol polyoxyethylene ether sulfate, sulfonated α-olefin, soap.
4. a kind of whipping agent for oil-field development according to claim 1, is characterized in that described nonionogenic tenside is one or more the mixture in alkylphenol polyoxyethylene, high-carbon fatty alcohol polyoxyethylene ether, sorbitan fatty acid ester, Span, alkyl polyglycoside.
5. a kind of whipping agent for oil-field development according to claim 1, is characterized in that described suds-stabilizing agent is one or more the mixture in high fatty alcohol, carboxy cellulose, polyacrylamide, Zulkovsky starch.
6. a kind of whipping agent for oil-field development according to claim 2, the radicals R of the sulfamic acid amphoteric surfactant described in it is characterized in that
1preferably alkyl or alkyl-cycloalkyl or aralkyl or the alkaryl of carbon number between 8-18.
7. a kind of whipping agent for oil-field development according to claim 5, is characterized in that described high fatty alcohol is the straight-chain monohydric alcohol that carbon number is greater than 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095718.3A CN103937466A (en) | 2014-03-14 | 2014-03-14 | Foaming agent used for oilfield development |
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|---|---|---|---|
| CN201410095718.3A CN103937466A (en) | 2014-03-14 | 2014-03-14 | Foaming agent used for oilfield development |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107817190A (en) * | 2017-10-23 | 2018-03-20 | 中国石油大学(北京) | A kind of foam comprehensive performance evaluation method |
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| CN110078865A (en) * | 2019-05-21 | 2019-08-02 | 厦门大学 | A kind of high temperature resistant foaming agent and preparation method thereof |
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| CN113789162A (en) * | 2021-08-03 | 2021-12-14 | 山东大学 | High-temperature-resistant high-strength foam plugging system and preparation method and application thereof |
| CN117625165A (en) * | 2023-11-14 | 2024-03-01 | 长江大学 | High-temperature-resistant high-salt-resistant nano foam discharging agent and preparation method and application thereof |
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| CN104531121A (en) * | 2014-12-18 | 2015-04-22 | 中国石油天然气股份有限公司 | Foaming drainage agent resisting methanol, condensate oil and high salinity |
| CN106830742A (en) * | 2016-12-30 | 2017-06-13 | 哈尔滨天顺化工科技开发有限公司 | A kind of composite foam stabilizer preparation method and composite foam stabilizer for producing self-insulating light concrete segment |
| CN106830742B (en) * | 2016-12-30 | 2021-10-29 | 哈尔滨天顺化工科技开发有限公司 | Preparation method of composite foam stabilizer for producing self-heat-insulation lightweight concrete building block and composite foam stabilizer |
| CN107512864A (en) * | 2017-08-18 | 2017-12-26 | 武汉优城科技有限公司 | A kind of muting sensitive sense foam concrete foamer and preparation method thereof |
| CN107817190A (en) * | 2017-10-23 | 2018-03-20 | 中国石油大学(北京) | A kind of foam comprehensive performance evaluation method |
| CN109279809A (en) * | 2018-09-30 | 2019-01-29 | 贵州凯襄新材料有限公司 | A kind of modified air entraining agent and preparation method thereof |
| CN109279809B (en) * | 2018-09-30 | 2021-03-23 | 贵州凯襄新材料有限公司 | Modified air entraining agent and preparation method thereof |
| CN110078865A (en) * | 2019-05-21 | 2019-08-02 | 厦门大学 | A kind of high temperature resistant foaming agent and preparation method thereof |
| CN112980419A (en) * | 2019-12-13 | 2021-06-18 | 中国石油天然气股份有限公司 | Thick oil foaming agent and preparation method and application thereof |
| CN112980419B (en) * | 2019-12-13 | 2023-01-10 | 中国石油天然气股份有限公司 | Thick oil foaming agent and preparation method and application thereof |
| CN113789162A (en) * | 2021-08-03 | 2021-12-14 | 山东大学 | High-temperature-resistant high-strength foam plugging system and preparation method and application thereof |
| CN117625165A (en) * | 2023-11-14 | 2024-03-01 | 长江大学 | High-temperature-resistant high-salt-resistant nano foam discharging agent and preparation method and application thereof |
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