CN108102626A - A kind of heavy crude thinner and preparation method thereof - Google Patents
A kind of heavy crude thinner and preparation method thereof Download PDFInfo
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- CN108102626A CN108102626A CN201711245736.5A CN201711245736A CN108102626A CN 108102626 A CN108102626 A CN 108102626A CN 201711245736 A CN201711245736 A CN 201711245736A CN 108102626 A CN108102626 A CN 108102626A
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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
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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
- C09K8/582—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 bacteria
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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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- 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
- C09K8/588—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 polymers
Abstract
The invention discloses a kind of heavy crude thinners and preparation method thereof, belong to fossil fuel production technique field.The heavy crude thinner that the present invention develops is by red blood cell extract, polymer-modified microballoon dispersion liquid and tunning configure, and wherein red blood cell extract is centrifuged after being mixed by mammal venous blood with anti-freezing buffer solution, then it is washed after, it mixes, centrifuges again, washing is obtained with water；And polymer-modified microballoon dispersion liquid is then by base oil, emulsifier, mixed monomer solution and N, N methylene-bisacrylamides, under nitrogen guard mode, constant temperature is stirred to react to obtain；In addition, tunning is then by skimmed milk, yolk, sucrose and water, it is stirred to react to obtain with the closed constant temperature of Compound bacterium.Heavy crude thinner prepared by technical solution of the present invention has the characteristics that excellent viscosity-reducing performance and salt resistant character.
Description
Technical field
The invention discloses a kind of heavy crude thinners and preparation method thereof, belong to fossil fuel production technique field.
Background technology
As world energy supplies day is becoming tight, the viscous crude of rich reserves increasingly causes the attention of researcher.Weight at present
Matter oil field rich in petroleum resources.Viscosity of thickened oil is reduced, improves viscous crude mobility, improves thickened oil recovery efficiency, is to solve viscous crude to open
Adopt the key of problem.There are physics viscosity reduction method and chemical viscosity reduction method in industrial production for the method for reducing thick oil viscosity.Common physics
Viscosity reduction method has steam soak and mixing light oil etc., and there are fixed investment is big, high energy consumption, the viscosity reduction term of validity is short and is limited by thin oil source
The shortcomings of.Chemical viscosity reduction is to solve one of thickened oil recovery and the effective means of conveying, wherein water-emulsifiable viscosity reduction technology
It is maximum, simple for process and use most economical chemical viscosity reduction technology for viscosity reduction amplitude, it is studied in each viscous crude field in the world active
And it is widely applied.The surfactant-based heavy crude thinner temperature resistance of traditional soluble small molecular, salt tolerance are poor, in high temperature
Under the conditions of lose reducing viscosity by emulsifying performance, precipitated for easily being formed under the conditions of high salinity especially high contents of calcium and magnesium, concentration is high, right
In the medium-high viscosity viscous crude of high asphaltene colloid（Asphaltene colloid content ＞ 30%）Viscosity break ratio is extremely low.And common polypropylene amine
Type of Collective object, because its surface-active is relatively low, though with preferable temperature resistance salt-tolerant trait and macromolecule efficiency, reducing viscosity by emulsifying performance is not
It is good.
The researchers such as Zhou Jizhu make use of the high surface of surfactant, reducing viscosity by emulsifying performance and polymer
Higher molecule efficiency, temperature resistance salt-tolerant trait, introduced in acrylamide polymer main chain with good surface and interface activated monomer,
The function monomers such as non-polar rigid monomer are copolymerized, and amphipathic polymer molecule had both remained macromolecule temperature resistance salt-tolerant trait and height
Molecule efficiency, while the high boundary's surface active groups introduced in polymer molecule backbone, and realize the high surface of molecule
And higher reducing viscosity by emulsifying performance, in the viscosity-reducing performance and salt resistant character for improving traditional heavy crude thinner raw to a certain degree, but
Still have greatly improved space, has much room for improvement to high salinity, high temperature, middle high, hyperviscosity viscous crude field viscosity-reducing performance.
Therefore, it is the shortcomings that how improving traditional heavy crude thinner viscosity-reducing performance and bad salt resistant character, comprehensive to obtain higher
The heavy crude thinner of performance is closed, is that it is promoted and applies, meets industrial production demand urgent problem to be solved.
The content of the invention
The present invention solves the technical problem of：It is bad for traditional heavy crude thinner viscosity-reducing performance and salt resistant character
Shortcoming provides a kind of heavy crude thinner and preparation method thereof.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of heavy crude thinner is made of the raw material of following parts by weight：10~30 parts of red blood cell extracts, 60~80 parts change
Property polymer microballoon dispersion liquid, 30~40 parts of tunnings；
The specific preparation process of heavy crude thinner is：
（1）Red blood cell extract：It is 1 in mass ratio by mammal venous blood and anti-freezing buffer solution：10~1：After 20 mixing, from
The heart separates, and obtains red blood cell, then after red blood cell wash 3~5 times with isotonic buffer solution, after being mixed with temperature for 5~8 DEG C of water,
Stirring centrifuges, and washing obtains red blood cell extract；
（2）Polymer-modified microballoon dispersion liquid：It counts in parts by weight, takes 40~60 parts of base oils successively, 3~5 parts of emulsifiers, 30
Mixed monomer solution is first divided into two by~50 parts of mixed monomer solutions, 0.03~0.06 part of N, N- methylene-bisacrylamides
Part, and No. 1 mixed monomer solution and No. 2 mixed monomer solutions are respectively labeled as, then base oil, emulsifier and No. 1 mixing is single
Liquid solution adds in reactor, and nitrogen is passed through into reactor, until discharging all air, adds N, N- methylene bisacrylamides
Amide with after under constant temperature stirring, No. 2 mixed monomer solutions is added dropwise into reactor, wait to be added dropwise, continues constant temperature and stir
4~6h of reaction is mixed, obtains polymer-modified microballoon dispersion liquid；
（3）Tunning：It counts in parts by weight, takes 40~50 portions of skimmed milks successively, 20~30 parts of yolk, 30~50 parts of water, 8~
10 portions of sucrose, sterilize after being stirred, and obtain sterilized mixture, and sterilized mixture is moved into fermentation tank, then add into fermentation tank
Enter to sterilize the Compound bacterium of mixture quality 0.6~0.8%, after closed, constant temperature stirring fermentation until fermentation pressure inside the tank up to 0.3~
0.5MPa sterilizes, and discharging obtains tunning；
（4）Heavy crude thinner：It is formed by raw material and weighs each component, be first stirred red blood cell extract and tunning, then
Polymer-modified microballoon dispersion liquid is added in, continues to be stirred, discharges, obtains heavy crude thinner.
Step（1）The mammal venous blood is appointing in porcine vein, ox venous blood, sheep venous blood or horse venous blood
Meaning is a kind of.
Step（1）The phosphate buffer solution that the anti-freezing buffer solution is heparin and pH is 7.4 is 1 in mass ratio：40~
1：50 configure.
Step（1）The isotonic buffer solution is the physiological saline that mass fraction is 0.88~0.90%.
Step（2）The base oil is any one in castor oil, soybean oil, sunflower oil or 45# white oils.
Step（2）It is 1 in mass ratio by emulsifier op-10 and Tween-60 that the emulsifier, which is,：1 compounds.
Step（2）The mixed monomer solution configuration process is：It counts in parts by weight, takes 10~15 parts of acryloyls successively
Amine, 15~20 parts of dimethyl diacrylamine base sodium sulfonates, 8~10 parts of sodium acid carbonates, 100~110 parts of water are stirred, obtain
Mixed monomer solution.
Step（3）The Compound bacterium is to be in mass ratio by streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus
1：1：1 compounds.
The beneficial effects of the invention are as follows：
（1）Technical solution of the present invention is one of active ingredient by using the red blood cell extract rich in phospholipid bilayer,
During use, phosphatide has good emulsification, and the polar group in molecular structure is extensible to viscous crude colloid and pitch
In matter, make its emulsion dispersion, and single phospholipid molecule carries more negative electrical charge, it is adsorbable to be wrapped in colloid and asphalitine surface,
Make resin and asphalt surface mutually exclusive when carrying like charges, so as to destroy resin and asphalt institute shape in viscous crude system
Into space net structure, the viscosity reducing effect of product is made effectively to be promoted, in addition, what is carried in phospholipid molecule structure is more negative
Metal ion in the adsorbable viscous crude system of charge, so as to improve the salt resistant character of product；
（2）Technical solution of the present invention is divided by adding polymer-modified microballoon dispersion liquid in the polymer-modified microballoon dispersion liquid
It after scattered polymer microballoon is added in viscous crude system, can slowly expand, so as to be formed to resin and asphalt in viscous crude system
Net structure form squeeze pressure and be allowed to rupture, in addition, polymer microballoon is internal in preparation process to contain portion gas,
In use, after gas overflowing, the substances such as micro-bubble adsorbable colloid, asphalitine and wax in viscous crude system week
It encloses, makes its fine dispersion, so as to further function as emulsification and viscosity reducing effect；
（3）Technical solution of the present invention is used as another active ingredient, the addition of tunning by adding tunning, on the one hand,
Product system can be made to keep faintly acid, be mothballed so as to be conducive to sour gas inside system, on the other hand, generation of fermenting
Small-molecule substance contains compared with polyhydroxy, carboxyl isoreactivity group, and small-molecule substance rapid dispersion can permeate in viscous crude system, and
Absorption and resin and asphalt surface, hinder the formation of resin and asphalt three-dimensional net structure, so as to consolidate the viscosity reduction of product
Effect.
Specific embodiment
It is 1 in mass ratio：10~1：Mammal venous blood and anti-freezing buffer solution are 1 in mass ratio by 20：10~1：20
After mixing, centrifuge is transferred to, in rotating speed under the conditions of 6000~8000r/min, 10~15min of centrifugation is exhausted with suction pipe
Blood plasma and erythrocyte surface floccule layer obtain red blood cell, then will be washed 3~5 times with cell with isotonic buffer solution, and will wash
The deionized water that red blood cell after washing is 5~8 DEG C with temperature is 1 in mass ratio：15~1：18 mixing are poured into beaker, use glass
After stick is stirred 20~30min, material in beaker is transferred to centrifuge, under the conditions of rotating speed is 12000~14000r/min,
10~15min is centrifuged, upper strata red eggs white liquor and bottom white scleroma sediment is removed, obtains erythrocyte membrane, and use deionization
Water washing erythrocyte membrane 3~5 times, obtains red blood cell extract；It counts in parts by weight, takes 10~15 parts of acrylamides successively, 15~
20 parts of dimethyl diacrylamine base sodium sulfonates, 8~10 parts of sodium acid carbonates, 100~110 parts of water, with blender with 300~
500r/min rotating speeds are stirred 45~60min, obtain mixed monomer solution, count in parts by weight, take 40~60 parts of bases successively
Oil, 3~5 parts of emulsifiers, 30~50 parts of mixed monomer solutions, 0.03~0.06 part of N, N- methylene-bisacrylamides first will be mixed
Close monomer solution and be divided into two parts, and be respectively labeled as No. 1 mixed monomer solution and No. 2 mixed monomer solutions, then by base oil,
Emulsifier and No. 1 mixed monomer solution are added in reaction kettle, and nitrogen is passed through into reaction kettle, until displacing institute in reaction kettle
Have air, under nitrogen guard mode, then N added in into reaction kettle, N- methylene-bisacrylamides, with after temperature for 70~
75 DEG C, under the conditions of rotating speed is 400~600r/min, No. 2 mixed monomer solutions are added dropwise when constant temperature stirs, treat No. 2 mix monomers
Solution is added dropwise, and reaction kettle is closed, continues constant temperature and is stirred to react 4~6h, obtains polymer-modified microballoon dispersion liquid；By weight
Number meter takes 40~50 portions of skimmed milks, 20~30 parts of yolk, 30~50 parts of water, 8~10 portions of sucrose, with blender with 600 successively
~800r/min rotating speeds are stirred 30~45min, obtain mixture, then gained mixture is placed in temperature for 70~80 DEG C of water-baths
In pot, 3~5h of insulated sterilizing obtains sterilized mixture, and gained sterilized mixture is moved into fermentation tank, then adds into fermentation tank
Enter to sterilize the Compound bacterium of mixture quality 0.6~0.8%, then fermentation tank is closed, in temperature be 28~32 DEG C, rotating speed for 200~
Under the conditions of 260r/min, constant temperature stirring fermentation to fermentation pressure inside the tank stops fermentation, and will be sent out after fermentation up to 0.3~0.5MPa
Material ultraviolet lamp 3~5h of sterilizing, obtains tunning in fermentation tank；It counts in parts by weight, takes 10~30 parts of red blood cell extractions successively
Object, 60~80 parts of polymer-modified microballoon dispersion liquids, 30~40 parts of tunnings first add red blood cell extract and tunning
Enter in batch mixer, 45~60min is stirred with 300~500r/min rotating speeds, then add in into batch mixer polymer-modified micro-
Ball dispersion liquid continues to be stirred 2~4h with 800~1200r/min rotating speeds, discharge to get heavy crude thinner.The lactation is moved
Object venous blood is any one in porcine vein, ox venous blood, sheep venous blood or horse venous blood.The anti-freezing buffer solution is liver
The phosphate buffer solution that element and pH are 7.4 is 1 in mass ratio：40~1：50 configure.The isotonic buffer solution is quality
Fraction is 0.88~0.90% physiological saline.The base oil is appointing in castor oil, soybean oil, sunflower oil or 45# white oils
Meaning is a kind of.It is 1 in mass ratio by emulsifier op-10 and Tween-60 that the emulsifier, which is,：1 compounds.The Compound bacterium be by
Streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus are 1 in mass ratio：1：1 compounds.
Example 1
It is 1 in mass ratio：Mammal venous blood and anti-freezing buffer solution are 1 in mass ratio by 20：After 20 mixing, centrifugation is transferred to
In rotating speed under the conditions of 8000r/min, to centrifuge 15min, blood plasma and erythrocyte surface floccule are exhausted with suction pipe for machine
Layer, obtains red blood cell, then will wash 5 times with cell with isotonic buffer solution, and by the red blood cell after washing and temperature for 8 DEG C go from
Sub- water is 1 in mass ratio：18 mixing are poured into beaker, and after being stirred 30min with glass bar, material in beaker is transferred to centrifugation
Machine in rotating speed under the conditions of 14000r/min, to centrifuge 15min, removes upper strata red eggs white liquor and bottom white scleroma precipitation
Object obtains erythrocyte membrane, and erythrocyte membrane is washed with deionized 5 times, obtains red blood cell extract；It counts, takes successively in parts by weight
15 parts of acrylamides, 20 parts of dimethyl diacrylamine base sodium sulfonates, 10 parts of sodium acid carbonates, 110 parts of water, with blender with
500r/min rotating speeds are stirred 60min, obtain mixed monomer solution, count in parts by weight, take 60 parts of base oils, 5 parts of breasts successively
Mixed monomer solution is first divided into two parts by agent, 50 parts of mixed monomer solutions, 0.06 part of N, N- methylene-bisacrylamides,
And No. 1 mixed monomer solution and No. 2 mixed monomer solutions are respectively labeled as, then base oil, emulsifier and No. 1 mix monomer is molten
Liquid is added in reaction kettle, and nitrogen is passed through into reaction kettle, until all air in reaction kettle are displaced, in nitrogen guard mode
Under, then N is added in into reaction kettle, N- methylene-bisacrylamides, with being 75 DEG C after temperature, rotating speed is 600r/min conditions
Under, No. 2 mixed monomer solutions are added dropwise when constant temperature stirs, treat that No. 2 mixed monomer solutions are added dropwise, reaction kettle is closed, after
Continuous constant temperature is stirred to react 6h, obtains polymer-modified microballoon dispersion liquid；It counts in parts by weight, takes 50 portions of skimmed milks, 30 portions of eggs successively
Huang, 50 parts of water, 10 portions of sucrose are stirred 45min with 800r/min rotating speeds with blender, obtain mixture, then gained is mixed
Object is placed in temperature as in 80 DEG C of water-baths, insulated sterilizing 5h obtains sterilized mixture, and gained sterilized mixture is moved into fermentation tank
In, then the Compound bacterium of sterilized mixture quality 0.8% is added in into fermentation tank, then fermentation tank is closed, it is 32 DEG C in temperature, turns
Speed is under the conditions of 260r/min, constant temperature stirring fermentation to fermentation pressure inside the tank stops fermentation, and will ferment after fermentation up to 0.5MPa
Material ultraviolet lamp sterilizing 5h, obtains tunning in tank；It counts in parts by weight, takes 30 parts of red blood cell extracts successively, 80 parts change
Property polymer microballoon dispersion liquid, 40 parts of tunnings first add in red blood cell extract and tunning in batch mixer, with
500r/min rotating speeds are stirred 60min, then polymer-modified microballoon dispersion liquid is added in into batch mixer, continue with 1200r/
Min rotating speeds are stirred 4h, discharge to get heavy crude thinner.The mammal venous blood is porcine vein.The anti-freezing is delayed
The phosphate buffer solution that fliud flushing is heparin and pH is 7.4 is 1 in mass ratio：50 configure.The isotonic buffer solution is matter
Measure the physiological saline that fraction is 0.90%.The base oil is castor oil.The emulsifier is by emulsifier op-10 and Tween-60
It is 1 in mass ratio：1 compounds.The Compound bacterium is by matter by streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus
Amount is than being 1：1：1 compounds.
Example 2
It counts in parts by weight, takes 15 parts of acrylamides, 20 parts of dimethyl diacrylamine base sodium sulfonates, 10 parts of bicarbonates successively
Sodium, 110 parts of water are stirred 60min with 500r/min rotating speeds with blender, obtain mixed monomer solution, count in parts by weight, according to
Secondary to take 60 parts of base oils, 5 parts of emulsifiers, 50 parts of mixed monomer solutions, 0.06 part of N, N- methylene-bisacrylamides first will mixing
Monomer solution is divided into two parts, and is respectively labeled as No. 1 mixed monomer solution and No. 2 mixed monomer solutions, then by base oil, breast
Agent and No. 1 mixed monomer solution are added in reaction kettle, and nitrogen is passed through into reaction kettle, are owned until displacing in reaction kettle
Air under nitrogen guard mode, then adds in N into reaction kettle, N- methylene-bisacrylamides, with after temperature be 75 DEG C,
Under the conditions of rotating speed is 600r/min, No. 2 mixed monomer solutions are added dropwise when constant temperature stirs, treat that No. 2 mixed monomer solutions drip
Finish, reaction kettle is closed, continue constant temperature and be stirred to react 6h, obtain polymer-modified microballoon dispersion liquid；It counts, takes successively in parts by weight
50 portions of skimmed milks, 30 parts of yolk, 50 parts of water, 10 portions of sucrose are stirred 45min with 800r/min rotating speeds with blender, obtain mixed
Object is closed, then gained mixture is placed in temperature as in 80 DEG C of water-baths, insulated sterilizing 5h obtains sterilized mixture, and gained is gone out
Bacterium mixture is moved into fermentation tank, then the Compound bacterium of sterilized mixture quality 0.8% is added in into fermentation tank, then fermentation tank is close
It closes, is 32 DEG C in temperature, under the conditions of rotating speed is 260r/min, constant temperature stirring fermentation to fermentation pressure inside the tank stops up to 0.5MPa
Fermentation, and will material is sterilized 5h with ultraviolet lamp in fermentation tank after fermentation, obtain tunning；It counts in parts by weight, 80 parts of modifications are poly-
Object microballoon dispersion liquid is closed, tunning is first added in batch mixer, then modified poly is added in into batch mixer by 40 parts of tunnings
Object microballoon dispersion liquid continues to be stirred 4h with 1200r/min rotating speeds, discharge to get heavy crude thinner.The anti-freezing buffer solution
It is 1 in mass ratio for heparin and the pH phosphate buffer solution for being 7.4：50 configure.The isotonic buffer solution is quality point
Number is 0.90% physiological saline.The base oil is castor oil.The emulsifier is by matter by emulsifier op-10 and Tween-60
Amount is than being 1：1 compounds.The Compound bacterium be by streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus in mass ratio
For 1：1：1 compounds.
Example 3
It is 1 in mass ratio：Mammal venous blood and anti-freezing buffer solution are 1 in mass ratio by 20：After 20 mixing, centrifugation is transferred to
In rotating speed under the conditions of 8000r/min, to centrifuge 15min, blood plasma and erythrocyte surface floccule are exhausted with suction pipe for machine
Layer, obtains red blood cell, then will wash 5 times with cell with isotonic buffer solution, and by the red blood cell after washing and temperature for 8 DEG C go from
Sub- water is 1 in mass ratio：18 mixing are poured into beaker, and after being stirred 30min with glass bar, material in beaker is transferred to centrifugation
Machine in rotating speed under the conditions of 14000r/min, to centrifuge 15min, removes upper strata red eggs white liquor and bottom white scleroma precipitation
Object obtains erythrocyte membrane, and erythrocyte membrane is washed with deionized 5 times, obtains red blood cell extract；It counts, takes successively in parts by weight
50 portions of skimmed milks, 30 parts of yolk, 50 parts of water, 10 portions of sucrose are stirred 45min with 800r/min rotating speeds with blender, obtain mixed
Object is closed, then gained mixture is placed in temperature as in 80 DEG C of water-baths, insulated sterilizing 5h obtains sterilized mixture, and gained is gone out
Bacterium mixture is moved into fermentation tank, then the Compound bacterium of sterilized mixture quality 0.8% is added in into fermentation tank, then fermentation tank is close
It closes, is 32 DEG C in temperature, under the conditions of rotating speed is 260r/min, constant temperature stirring fermentation to fermentation pressure inside the tank stops up to 0.5MPa
Fermentation, and will material is sterilized 5h with ultraviolet lamp in fermentation tank after fermentation, obtain tunning；It counts in parts by weight, takes 30 parts successively
Red blood cell extract, 40 parts of tunnings first add in red blood cell extract and tunning in batch mixer, are turned with 500r/min
Speed is stirred 60min, discharges to get heavy crude thinner.The mammal venous blood is porcine vein.The anti-freezing buffering
The phosphate buffer solution that liquid is heparin and pH is 7.4 is 1 in mass ratio：50 configure.The isotonic buffer solution is quality
Fraction is 0.90% physiological saline.The base oil is castor oil.The emulsifier be by emulsifier op-10 and Tween-60 by
Mass ratio is 1：1 compounds.The Compound bacterium is by quality by streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus
Than for 1：1：1 compounds.
Example 4
It is 1 in mass ratio：Mammal venous blood and anti-freezing buffer solution are 1 in mass ratio by 20：After 20 mixing, centrifugation is transferred to
In rotating speed under the conditions of 8000r/min, to centrifuge 15min, blood plasma and erythrocyte surface floccule are exhausted with suction pipe for machine
Layer, obtains red blood cell, then will wash 5 times with cell with isotonic buffer solution, and by the red blood cell after washing and temperature for 8 DEG C go from
Sub- water is 1 in mass ratio：18 mixing are poured into beaker, and after being stirred 30min with glass bar, material in beaker is transferred to centrifugation
Machine in rotating speed under the conditions of 14000r/min, to centrifuge 15min, removes upper strata red eggs white liquor and bottom white scleroma precipitation
Object obtains erythrocyte membrane, and erythrocyte membrane is washed with deionized 5 times, obtains red blood cell extract；It counts, takes successively in parts by weight
15 parts of acrylamides, 20 parts of dimethyl diacrylamine base sodium sulfonates, 110 parts of water are stirred with blender with 500r/min rotating speeds
60min is mixed, mixed monomer solution is obtained, counts in parts by weight, take 60 parts of base oils, 5 parts of emulsifiers, 50 parts of mix monomers successively
Mixed monomer solution is first divided into two parts by solution, 0.06 part of N, N- methylene-bisacrylamides, and is respectively labeled as No. 1 and is mixed
Monomer solution and No. 2 mixed monomer solutions are closed, then base oil, emulsifier and No. 1 mixed monomer solution are added in reaction kettle, and
Nitrogen is passed through into reaction kettle, until displacing all air in reaction kettle, under nitrogen guard mode, then is added into reaction kettle
Enter N, N- methylene-bisacrylamides with being 75 DEG C after temperature, under the conditions of rotating speed is 600r/min, are added dropwise when constant temperature stirs
No. 2 mixed monomer solutions treat that No. 2 mixed monomer solutions are added dropwise, and reaction kettle is closed, continue constant temperature and are stirred to react 6h, obtain
Polymer-modified microballoon dispersion liquid；It counts in parts by weight, takes 50 portions of skimmed milks successively, 30 parts of yolk, 50 parts of water, 10 portions of sucrose,
45min is stirred with 800r/min rotating speeds with blender, mixture is obtained, then gained mixture is placed in temperature as 80 DEG C of water-baths
In pot, insulated sterilizing 5h obtains sterilized mixture, and gained sterilized mixture is moved into fermentation tank, then is added in into fermentation tank
The Compound bacterium of sterilized mixture quality 0.8%, then fermentation tank is closed, in temperature be 32 DEG C, under the conditions of rotating speed is 260r/min,
Constant temperature stirring fermentation stops fermentation, and material in fermentation tank after fermentation is gone out with ultraviolet lamp to fermentation pressure inside the tank up to 0.5MPa
Bacterium 5h, obtains tunning；It counts in parts by weight, takes 30 parts of red blood cell extracts successively, 80 parts of polymer-modified microballoon dispersion liquids,
Red blood cell extract and tunning are first added in batch mixer, are stirred with 500r/min rotating speeds by 40 parts of tunnings
60min, then polymer-modified microballoon dispersion liquid is added in into batch mixer, continue to be stirred 4h with 1200r/min rotating speeds, go out
Material is to get heavy crude thinner.The mammal venous blood is porcine vein.The anti-freezing buffer solution is heparin and pH is 7.4
Phosphate buffer solution in mass ratio be 1：50 configure.The isotonic buffer solution is the physiology that mass fraction is 0.90%
Brine.The base oil is castor oil.It is 1 in mass ratio by emulsifier op-10 and Tween-60 that the emulsifier, which is,：1 compounding and
Into.It is 1 in mass ratio by streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus acidophilus that the Compound bacterium, which is,：1：1 compounding and
Into.
Example 5
It is 1 in mass ratio：Mammal venous blood and anti-freezing buffer solution are 1 in mass ratio by 20：After 20 mixing, centrifugation is transferred to
In rotating speed under the conditions of 8000r/min, to centrifuge 15min, blood plasma and erythrocyte surface floccule are exhausted with suction pipe for machine
Layer, obtains red blood cell, then will wash 5 times with cell with isotonic buffer solution, and by the red blood cell after washing and temperature for 8 DEG C go from
Sub- water is 1 in mass ratio：18 mixing are poured into beaker, and after being stirred 30min with glass bar, material in beaker is transferred to centrifugation
Machine in rotating speed under the conditions of 14000r/min, to centrifuge 15min, removes upper strata red eggs white liquor and bottom white scleroma precipitation
Object obtains erythrocyte membrane, and erythrocyte membrane is washed with deionized 5 times, obtains red blood cell extract；It counts, takes successively in parts by weight
15 parts of acrylamides, 20 parts of dimethyl diacrylamine base sodium sulfonates, 10 parts of sodium acid carbonates, 110 parts of water, with blender with
500r/min rotating speeds are stirred 60min, obtain mixed monomer solution, count in parts by weight, take 60 parts of base oils, 5 parts of breasts successively
Mixed monomer solution is first divided into two parts by agent, 50 parts of mixed monomer solutions, 0.06 part of N, N- methylene-bisacrylamides,
And No. 1 mixed monomer solution and No. 2 mixed monomer solutions are respectively labeled as, then base oil, emulsifier and No. 1 mix monomer is molten
Liquid is added in reaction kettle, and nitrogen is passed through into reaction kettle, until all air in reaction kettle are displaced, in nitrogen guard mode
Under, then N is added in into reaction kettle, N- methylene-bisacrylamides, with being 75 DEG C after temperature, rotating speed is 600r/min conditions
Under, No. 2 mixed monomer solutions are added dropwise when constant temperature stirs, treat that No. 2 mixed monomer solutions are added dropwise, reaction kettle is closed, after
Continuous constant temperature is stirred to react 6h, obtains polymer-modified microballoon dispersion liquid；It counts in parts by weight, takes 30 parts of red blood cell extracts successively,
80 parts of polymer-modified microballoon dispersion liquids first add in red blood cell extract in batch mixer, then modified gather is added in into batch mixer
Object microballoon dispersion liquid is closed, continues to be stirred 4h with 1200r/min rotating speeds, discharge to get heavy crude thinner.The mammal
Venous blood is porcine vein.The phosphate buffer solution that the anti-freezing buffer solution is heparin and pH is 7.4 is 1 in mass ratio：50
It configures.The isotonic buffer solution is the physiological saline that mass fraction is 0.90%.The base oil is castor oil.The breast
It is 1 in mass ratio by emulsifier op-10 and Tween-60 that agent, which is,：1 compounds.
Comparative example：The heavy crude thinner of Jinan Chemical Co., Ltd. production.
The heavy crude thinner of 1 to 5 gained of example and comparative example product are subjected to performance detection, specific detection method is as follows：
1. viscosity-reducing performance：Viscosity when viscous crude does not add thinner at 50 DEG C is measured first, is then added in a certain amount of dilute with toluene
The mass concentration released is the test specimen heavy crude thinner of 150mg/L, stirs 10min, then measures the viscosity of mixed liquor, and calculates it
Viscosity break ratio, calculation formula are：
n=（μ0-μ1）/μ0×100%
In formula：N is viscosity break ratio, %；μ0For the viscosity of viscous crude, mPas；μ1To add in viscous crude after oil-soluble branch type heavy crude thinner
Viscosity, mPas；
2. salt resistant character：Investigate 25 × 104Brine in the range of mg/L salinities, the dissolution time of heavy crude thinner and to viscosity reduction
The viscosity reducing effect of agent influences.
Specific testing result is as shown in table 1：
Table 1
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example |
| Viscosity break ratio/% | 99.9 | 93.7 | 95.1 | 89.5 | 83.4 | 41.8 |
| Dissolution time/min | 74 | 96 | 101 | 125 | 131 | 183 |
| Salt water dissolution viscosity break ratio/% | 99.1 | 90.4 | 91.2 | 83.4 | 76.8 | 25.3 |
From 1 testing result of table, heavy crude thinner prepared by technical solution of the present invention has excellent viscosity-reducing performance and salt tolerant
The characteristics of performance, has broad prospects in the development of reducing thick oil viscosity industry.
Claims (8)
1. a kind of heavy crude thinner, it is characterised in that：It is made of the raw material of following parts by weight：10~30 parts of red blood cell extractions
Object, 60~80 parts of polymer-modified microballoon dispersion liquids, 30~40 parts of tunnings；
The specific preparation process of heavy crude thinner is：
（1）Red blood cell extract：It is 1 in mass ratio by mammal venous blood and anti-freezing buffer solution：10~1：After 20 mixing, from
The heart separates, and obtains red blood cell, then after red blood cell wash 3~5 times with isotonic buffer solution, after being mixed with temperature for 5~8 DEG C of water,
Stirring centrifuges, and washing obtains red blood cell extract；
（2）Polymer-modified microballoon dispersion liquid：It counts in parts by weight, takes 40~60 parts of base oils successively, 3~5 parts of emulsifiers, 30
Mixed monomer solution is first divided into two by~50 parts of mixed monomer solutions, 0.03~0.06 part of N, N- methylene-bisacrylamides
Part, and No. 1 mixed monomer solution and No. 2 mixed monomer solutions are respectively labeled as, then base oil, emulsifier and No. 1 mixing is single
Liquid solution adds in reactor, and nitrogen is passed through into reactor, until discharging all air, adds N, N- methylene bisacrylamides
Amide with after under constant temperature stirring, No. 2 mixed monomer solutions is added dropwise into reactor, wait to be added dropwise, continues constant temperature and stir
4~6h of reaction is mixed, obtains polymer-modified microballoon dispersion liquid；
（3）Tunning：It counts in parts by weight, takes 40~50 portions of skimmed milks successively, 20~30 parts of yolk, 30~50 parts of water, 8~
10 portions of sucrose, sterilize after being stirred, and obtain sterilized mixture, and sterilized mixture is moved into fermentation tank, then add into fermentation tank
Enter to sterilize the Compound bacterium of mixture quality 0.6~0.8%, after closed, constant temperature stirring fermentation until fermentation pressure inside the tank up to 0.3~
0.5MPa sterilizes, and discharging obtains tunning；
（4）Heavy crude thinner：It is formed by raw material and weighs each component, be first stirred red blood cell extract and tunning, then
Polymer-modified microballoon dispersion liquid is added in, continues to be stirred, discharges, obtains heavy crude thinner.
2. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（1）The mammal venous blood
For any one in porcine vein, ox venous blood, sheep venous blood or horse venous blood.
3. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（1）The anti-freezing buffer solution is liver
The phosphate buffer solution that element and pH are 7.4 is 1 in mass ratio：40~1：50 configure.
4. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（1）The isotonic buffer solution is matter
Measure the physiological saline that fraction is 0.88~0.90%.
5. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（2）The base oil for castor oil,
Any one in soybean oil, sunflower oil or 45# white oils.
6. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（2）The emulsifier is by emulsifying
Agent OP-10 and Tween-60 are 1 in mass ratio：1 compounds.
7. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（2）The mixed monomer solution is matched somebody with somebody
The process of putting is：It counts in parts by weight, takes 10~15 parts of acrylamides, 15~20 parts of dimethyl diacrylamine base sulfonic acid successively
Sodium, 8~10 parts of sodium acid carbonates, 100~110 parts of water are stirred, obtain mixed monomer solution.
8. a kind of heavy crude thinner according to claim 1, it is characterised in that：Step（3）The Compound bacterium is by thermophilic
Streptococcus, lactobacillus bulgaricus and lactobacillus acidophilus are 1 in mass ratio：1：1 compounds.
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| CN109181817A (en) * | 2018-08-09 | 2019-01-11 | 苗霞明 | A kind of machine oil dispersing agent |
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