CN106281408A - A kind of viscous crude demulsifier and its preparation method and application - Google Patents
A kind of viscous crude demulsifier and its preparation method and application Download PDFInfo
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- CN106281408A CN106281408A CN201610811167.5A CN201610811167A CN106281408A CN 106281408 A CN106281408 A CN 106281408A CN 201610811167 A CN201610811167 A CN 201610811167A CN 106281408 A CN106281408 A CN 106281408A
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- demulsifier
- viscous crude
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- maleic acid
- cocos nucifera
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
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- Oil, Petroleum & Natural Gas (AREA)
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- General Chemical & Material Sciences (AREA)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of viscous crude demulsifier and its preparation method and application, this demulsifier, be made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethanolamine 15 parts, maleic acid 7 15 parts, 25 35 parts of zeolite, polyglyceryl fatty acid ester 5 12 parts.The maleic acid solution heated and stirred of zeolite with configuration is processed and prepares mixture A；The cocos nucifera oil acyl diethanolamine solution heated and stirred of polyglyceryl fatty acid ester with configuration is processed and prepares mixture B；The two Hybrid Heating is stirred, high-temperature calcination and get final product.The demulsifier that the present invention prepares has that demulsification is good, consumption is few, high temperature resistant, low temperature resistant, dehydrating amount is big and the remarkable result such as dewatering speed is fast.The raw material that the present invention uses is easy to get, and preparation method is simple, and simple operation, production cost is low, is suitable to large-scale production.
Description
Technical field
The present invention relates to oilfield technology field, specifically a kind of viscous crude demulsifier and its preparation method and application.
Background technology
Along with the minimizing year by year of the recoverable reserves of ordinary crude oils, viscous crude will become the main energy sources of 21 century, but thick
Oil exploitation is relatively difficult, the most also increases the difficulty that viscous crude utilizes.Late 1990s, the yield in oil field gradually drops
Low, in order to maintain crude output, each oil field all takes the method increasing water filling to improve crude oil yield, causes oil well produced liquid
Moisture content rises rapidly, and many oil fields are own through being in the middle and high Water-cut Period development phase.Meanwhile, adopt in a large number during various employings
The application of oil assistant also makes the Produced Liquid composition of crude oil, particularly viscous crude become more complicated, causes viscous crude and special thick oil
Efficiently fast emulsion breaking oneself affect cost for oil production, crude quality, yield and the key technology of control oilfield environment pollution through becoming.Thick
The outstanding feature of oil is that asphaltenes, colloid are more, and colloid, Colophonium can adsorb at oil-water interfaces, reduce interfacial tension, make
Crude oil emulsion becomes sufficiently stable, so the dehydration of viscous crude is more difficult than the dehydration of ordinary crude oils.Existing demulsifier is deposited
Complicated at raw material, the deficiencies such as preparation cost is high, and product consumption is big, and crude oil dehydration is slow, demulsifier weak effect.
Summary of the invention
Demulsification is good, consumption is few, high temperature resistant, low temperature resistant, dehydrating amount big and takes off to it is an object of the invention to provide one
Viscous crude demulsifier that water speed is fast and its preparation method and application, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of viscous crude demulsifier, is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethanolamine 1-5 part, suitable fourth
Enedioic acid 7-15 part, zeolite 25-35 part, polyglyceryl fatty acid ester 5-12 part.
As the further scheme of the present invention: described viscous crude demulsifier, it is made up of according to the raw material of weight portion following: coconut palm
Oleoyl diethanolamine 2-4 part, maleic acid 9-13 part, zeolite 28-32 part, polyglyceryl fatty acid ester 7-10 part.
As the further scheme of the present invention: described viscous crude demulsifier, it is made up of according to the raw material of weight portion following: coconut palm
Oleoyl diethanolamine 3 parts, maleic acid 11 parts, 30 parts of zeolite, polyglyceryl fatty acid ester 8 parts.
Another object of the present invention is to provide the preparation method of a kind of viscous crude demulsifier, comprises the steps of:
1) deionized water of maleic acid with its quality 4 times is mixed, prepare maleic acid solution；By cocos nucifera oil acyl two
Ethanolamine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution；
2) zeolite ground, cross 120 mesh sieves, add maleic acid solution, and stir process at a temperature of 80 DEG C
20min, then heats to 125 DEG C of heated and stirred and processes 10min, prepare mixture A；
3) polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and at a temperature of 55 DEG C at heated and stirred
Reason 30-40min, prepares mixture B；
4) mixture A is mixed with mixture B, and heated and stirred processes 50-60min at a temperature of 165 DEG C, the most again
At a temperature of 450 DEG C, calcine 4h, obtain demulsifier.
Another object of the present invention is to provide the application in processing viscous crude of the described demulsifier.
As the further scheme of the present invention: the adding consistency of demulsifier is 2-20ppm.
As the further scheme of the present invention: the adding consistency of demulsifier is 4-14ppm.
As the further scheme of the present invention: the adding consistency of demulsifier is 6-8ppm.
As the further scheme of the present invention: the adding consistency of demulsifier is 6ppm.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention uses maleic acid to process zeolite, uses cocos nucifera oil acyl diethanolamine to polyglyceryl fatty acid ester
Process, the demulsifier prepared through thermal agitation process, high-temperature calcination again after the two mixing has that demulsification is good, consumption is few,
The remarkable result such as high temperature resistant, low temperature resistant, dehydrating amount is big and dewatering speed is fast.The raw material that the present invention uses is easy to get, preparation method letter
Single, easily operation, easy to control, safety and environmental protection, production cost is low, and environmentally safe is suitable to large-scale production.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of viscous crude demulsifier, it is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethyl
Hydramine 1 part, maleic acid 7 parts, 25 parts of zeolite, polyglyceryl fatty acid ester 5 parts.
The deionized water of maleic acid with its quality 4 times is mixed, prepares maleic acid solution；By cocos nucifera oil acyl diethyl
Hydramine mixes with the ethanol that volumetric concentration is 40% of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution.Zeolite is ground,
Cross 120 mesh sieves, add maleic acid solution, and stir process 20min at a temperature of 80 DEG C, then heat to 125 DEG C and add
Thermal agitation processes 10min, prepares mixture A.Polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and at 55 DEG C
At a temperature of heated and stirred process 30min, prepare mixture B.Mixture A is mixed with mixture B, and the temperature of 165 DEG C
Lower heated and stirred processes 50min, calcines 4h the most again, obtain demulsifier at a temperature of 450 DEG C.
Embodiment 2
In the embodiment of the present invention, a kind of viscous crude demulsifier, it is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethyl
Hydramine 5 parts, maleic acid 15 parts, 35 parts of zeolite, polyglyceryl fatty acid ester 12 parts.
The deionized water of maleic acid with its quality 4 times is mixed, prepares maleic acid solution；By cocos nucifera oil acyl diethyl
Hydramine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution.Zeolite is ground, crosses 120 mesh sieves, add
Enter maleic acid solution, and stir process 20min at a temperature of 80 DEG C, then heat to 125 DEG C of heated and stirred and process
10min, prepares mixture A.Polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and adds at a temperature of 55 DEG C
Thermal agitation processes 40min, prepares mixture B.Mixture A is mixed with mixture B, and heated and stirred at a temperature of 165 DEG C
Process 60min, at a temperature of 450 DEG C, calcine 4h the most again, obtain demulsifier.
Embodiment 3
In the embodiment of the present invention, a kind of viscous crude demulsifier, it is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethyl
Hydramine 2 parts, maleic acid 9 parts, 28 parts of zeolite, polyglyceryl fatty acid ester 7 parts.
The deionized water of maleic acid with its quality 4 times is mixed, prepares maleic acid solution；By cocos nucifera oil acyl diethyl
Hydramine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution.Zeolite is ground, crosses 120 mesh sieves, add
Enter maleic acid solution, and stir process 20min at a temperature of 80 DEG C, then heat to 125 DEG C of heated and stirred and process
10min, prepares mixture A.Polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and adds at a temperature of 55 DEG C
Thermal agitation processes 35min, prepares mixture B.Mixture A is mixed with mixture B, and heated and stirred at a temperature of 165 DEG C
Process 55min, at a temperature of 450 DEG C, calcine 4h the most again, obtain demulsifier.
Embodiment 4
In the embodiment of the present invention, a kind of viscous crude demulsifier, it is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethyl
Hydramine 4 parts, maleic acid 13 parts, 32 parts of zeolite, polyglyceryl fatty acid ester 10 parts.
The deionized water of maleic acid with its quality 4 times is mixed, prepares maleic acid solution；By cocos nucifera oil acyl diethyl
Hydramine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution.Zeolite is ground, crosses 120 mesh sieves, add
Enter maleic acid solution, and stir process 20min at a temperature of 80 DEG C, then heat to 125 DEG C of heated and stirred and process
10min, prepares mixture A.Polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and adds at a temperature of 55 DEG C
Thermal agitation processes 35min, prepares mixture B.Mixture A is mixed with mixture B, and heated and stirred at a temperature of 165 DEG C
Process 55min, at a temperature of 450 DEG C, calcine 4h the most again, obtain demulsifier.
Embodiment 5
In the embodiment of the present invention, a kind of viscous crude demulsifier, it is made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethyl
Hydramine 3 parts, maleic acid 11 parts, 30 parts of zeolite, polyglyceryl fatty acid ester 8 parts.
The deionized water of maleic acid with its quality 4 times is mixed, prepares maleic acid solution；By cocos nucifera oil acyl diethyl
Hydramine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution.Zeolite is ground, crosses 120 mesh sieves, add
Enter maleic acid solution, and stir process 20min at a temperature of 80 DEG C, then heat to 125 DEG C of heated and stirred and process
10min, prepares mixture A.Polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and adds at a temperature of 55 DEG C
Thermal agitation processes 35min, prepares mixture B.Mixture A is mixed with mixture B, and heated and stirred at a temperature of 165 DEG C
Process 55min, at a temperature of 450 DEG C, calcine 4h the most again, obtain demulsifier.
Embodiment 6
Simulating the embodiment of the present invention 1-5 prepared demulsifier dehydrating effect for viscous crude in experiment, experiment uses stone
The evaluation side that oil Gas Industry standard SY-T5281-2000 crude oil demulsifier serviceability detection method (bottle examination method) specifies
Method.
Experimental temperature is 70 DEG C, Water in oil 60.4%, oil-water ratio 70:30, and experimental result is as shown in table 1.Meanwhile, also set
Having put 3 groups of comparative examples, in comparative example 1 in addition to not containing maleic acid, remaining proportioning is consistent with embodiment 5 with preparation process,
Containing only maleic acid in comparative example 2, its preparation process is consistent with embodiment 5, and comparative example 3 is except not containing cocos nucifera oil acyl diethanol
Outside amine, remaining proportioning is consistent with embodiment 5 with preparation process.
The demulsification of the different demulsifier of table 1
From table 1 it follows that embodiment of the present invention 1-5 treatment effect is better than comparative example 1-3, illustrate the present invention be
Each raw material jointly acts on down and to work.
Embodiment 7
The High water cut viscous crude embodiment gained demulsifier dehydration effect for the viscous crude of different adding consistencies is simulated in experiment
Really, experiment uses oil and gas industry standard SY-T5281-2000 crude oil demulsifier serviceability detection method (bottle examination method)
The evaluation methodology of regulation.As a example by embodiment 5 gained demulsifier.
Experimental temperature is 70 DEG C, Water in oil 60.4%, oil-water ratio 70:30, and experimental result is as shown in table 2.Can from table 2
Knowing, adding consistency is 2-20ppm, preferably 4-14ppm, most preferably 6-8ppm.
The different adding consistency demulsification of table 2
Embodiment 8
The dehydrating effect of the viscous crude under simulation High water cut viscous crude embodiment gained demulsifier is for different temperatures in experiment,
As a example by embodiment 5 gained demulsifier.Adding consistency is 6ppm.
Experimental temperature is-5 DEG C ,-10 DEG C ,-20 DEG C, Water in oil 60.4%, oil-water ratio 70:30, experimental result such as table 1 institute
Show.
Table 3
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (9)
1. a viscous crude demulsifier, it is characterised in that be made up of according to the raw material of weight portion following: cocos nucifera oil acyl diethanolamine 1-
5 parts, maleic acid 7-15 part, zeolite 25-35 part, polyglyceryl fatty acid ester 5-12 part.
Viscous crude demulsifier the most according to claim 1, it is characterised in that be made up of according to the raw material of weight portion following:
Cocos nucifera oil acyl diethanolamine 2-4 part, maleic acid 9-13 part, zeolite 28-32 part, polyglyceryl fatty acid ester 7-10 part.
Viscous crude demulsifier the most according to claim 1, it is characterised in that be made up of according to the raw material of weight portion following:
Cocos nucifera oil acyl diethanolamine 3 parts, maleic acid 11 parts, 30 parts of zeolite, polyglyceryl fatty acid ester 8 parts.
4. the preparation method of the viscous crude demulsifier as described in claim 1-3 is arbitrary, it is characterised in that by following steps
Composition:
1) deionized water of maleic acid with its quality 4 times is mixed, prepare maleic acid solution；By cocos nucifera oil acyl diethanol
Amine mixes with 40% ethanol of its quality 5 times, prepares cocos nucifera oil acyl diethanolamine solution；
2) zeolite ground, cross 120 mesh sieves, add maleic acid solution, and stir process 20min at a temperature of 80 DEG C,
Then heat to 125 DEG C of heated and stirred and process 10min, prepare mixture A；
3) polyglyceryl fatty acid ester is mixed with cocos nucifera oil acyl diethanolamine solution, and heated and stirred processes at a temperature of 55 DEG C
30-40min, prepares mixture B；
4) mixture A is mixed with mixture B, and heated and stirred processes 50-60min at a temperature of 165 DEG C again, exists the most again
Calcine 4h at a temperature of 450 DEG C, both obtain demulsifier.
5. according to the application in processing viscous crude of the claim 1-3 arbitrary described demulsifier.
The demulsifier the most according to claim 5 application in processing viscous crude, it is characterised in that the adding consistency of demulsifier
For 2-20ppm.
The demulsifier the most according to claim 6 application in processing viscous crude, it is characterised in that the adding consistency of demulsifier
For 4-14ppm.
The demulsifier the most according to claim 7 application in processing viscous crude, it is characterised in that the adding consistency of demulsifier
For 6-8ppm.
The demulsifier the most according to claim 8 application in processing viscous crude, it is characterised in that the adding consistency of demulsifier
For 6ppm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610811167.5A CN106281408A (en) | 2016-09-08 | 2016-09-08 | A kind of viscous crude demulsifier and its preparation method and application |
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| CN201610811167.5A CN106281408A (en) | 2016-09-08 | 2016-09-08 | A kind of viscous crude demulsifier and its preparation method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107445271A (en) * | 2017-09-30 | 2017-12-08 | 武汉马腾科技发展有限公司 | A kind of inorganic agent for handling industrial wastewater and its preparation method and application |
| CN112625736A (en) * | 2020-11-26 | 2021-04-09 | 天津大港油田滨港集团博弘石油化工有限公司 | Composite crude oil demulsifier |
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| US20110108456A1 (en) * | 2002-08-30 | 2011-05-12 | Baker Hughes Incorporated | Additives to Enhance Metal and Amine Removal in Refinery Desalting Processes |
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| CN103374386A (en) * | 2012-04-13 | 2013-10-30 | 中国石油化工股份有限公司 | Composite demulsifying agent |
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| CN107445271A (en) * | 2017-09-30 | 2017-12-08 | 武汉马腾科技发展有限公司 | A kind of inorganic agent for handling industrial wastewater and its preparation method and application |
| CN112625736A (en) * | 2020-11-26 | 2021-04-09 | 天津大港油田滨港集团博弘石油化工有限公司 | Composite crude oil demulsifier |
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Application publication date: 20170104 |