CN105440278A - Demulsifier compounded system as well as preparation method and application thereof - Google Patents
Demulsifier compounded system as well as preparation method and application thereof Download PDFInfo
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
- C08G65/33355—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2612—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aromatic or arylaliphatic hydroxyl groups
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
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- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-butyl phenol
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- 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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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
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Abstract
The invention provides a demulsifier compounded system as well as a preparation method and an application thereof. The demulsifier compounded system comprises components as follows: a p-tert-butyl phenolic polyether demulsifier, a modified p-tert-butyl phenolic polyether demulsifier and acetic acid. A preparation method of the p-tert-butyl phenolic polyether demulsifier comprises steps as follows: 1) p-tert-butyl phenolic resin and a catalyst are added to a reaction container; 2) ethylene oxide is added; 3) when the pressure and the temperature fall back, the pressure is reduced to the negative value, the temperature is increased, and propylene oxide is added for a reaction; 4) after the pressure and the temperature fall back, the p-tert-butyl phenolic polyether demulsifier is obtained. A preparation method of the modified p-tert-butyl phenolic polyether demulsifier comprises steps as follows: a, the prepared p-tert-butyl phenolic polyether demulsifier and a propylene glycol polyether demulsifier are mixed and added to acrylic acid; b, toluene diisocyanate is added, and the modified p-tert-butyl phenolic polyether demulsifier is obtained. The demulsifier compounded system adopts the simple synthesis technology and has the good dehydration effect.
Description
Technical field
The present invention relates to a kind of demulsifier compound system and preparation method thereof and application, particularly a kind of p-tert-butylphenol aldehyde polyether demulsification agent, the modification p-tert-butylphenol aldehyde polyether demulsification agent obtained by it and demulsifier compound system.
Background technology
In recent years, China's major part oil field all enters development late stage, one of the major measure becoming agent for improving oilfield recovery of the deep profile correction oil recovery technique based on polymer flooding.Compared with filled drive, the physico-chemical property of the poly-flooding produced liquid of note is more complicated, due to the increase of polymkeric substance, causes oily water separation difficulty to increase, and therefore needs to develop new breaker system, meets the needs of field produces.
Data abroad about emulsion splitter sees 1914 the earliest, eighties of last century twenties is to the thirties, for solving the breakdown of emulsion problem of oil-in-water-type crude oil emulsion, the low-molecular-weight anionic emulsion splitter of the first-generation comes out, as soap, naphthenate, sulfonated petro-leum, Turkey red oil etc., its advantage is cheap, and shortcoming is subject to electrolytical impact, the large usage quantity etc. of this type of emulsion splitter under same effect; The forties, oxyethane achieved suitability for industrialized production to the fifties, made ethylene oxide propylene oxide segmented copolymer start to occur; 50 to the sixties of 20th century, bring into use non-ionic demulsifier, if alkylphenol, fatty alcohol are the Soxylat A 25-7 of initiator, used the emulsion splitter based on polyoxyethylene polyoxypropylene block copolymer afterwards, because the emulsion splitter of this type is effective, so remain the crude oil demulsifier be most widely used at present; After entering the eighties, polyamine class, amphoteric ion type, polymer demulsifier start to occur, instead of simple ring oxidative ethane propylene oxide block polyether demulsification agent, the minimum amount of this type of emulsion splitter is at below 100mg/L, but it is strong that the shortcoming of this kind of emulsion splitter is specificity, bad adaptability.
From the later stage eighties, the researchdevelopment of external emulsion splitter enters period comparatively rapidly, on the basis of third generation high-molecular-weight poly ethers emulsion splitter, people have carried out the research and development of a large amount of novel demulsifier product, and achieve huge advance, obtain the emulsion splitter that demulsification performance is more excellent.Mainly contain: the multipolymer of methyl methacrylate vinegar, Butyl acrylate and polyoxyethylene acid esters, polyoxypropylene, high polarity organic amino derivative, positively charged ion phthalein amine compound and the compound system between them.
In use there is the problem that breakdown of emulsion temperature is high, viscous crude emulsus is separated in traditional emulsion splitter.
At present, the research about emulsion splitter mainly concentrates on the following aspects: one is study various chainextender and multiple chainextender use with deepening continuously; Two is research and development of oil soluble or mixed type emulsion splitter; Three is research and development of branched chain type emulsion splitter; Four is adaptable high molecular weight demulsifiers.
Therefore a kind of novel emulsion splitter for oil field mining liquid breakdown of emulsion is provided to become one of this area problem demanding prompt solution.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of demulsifier compound system, this demulsifier compound system synthesis technique is simple, and dehydrating effect is good.
For achieving the above object, the invention provides a kind of preparation method of p-tert-butylphenol aldehyde polyether demulsification agent, the method comprises the following steps:
Step one, in reaction vessel, add para-tert-butyl phenolic resin and catalyzer, then heat up;
Step 2, rise to 100-150 DEG C when temperature, when being preferably 120 DEG C, in reaction vessel, add oxyethane, continue to heat up;
Step 3, when the pressure and temperature in reaction vessel starts to fall after rise, by the Pressure Drop in reaction vessel to negative value, the temperature in reaction vessel is risen to 100-150 DEG C, be preferably 135 DEG C; Then in reaction vessel, add propylene oxide to react;
Step 4, when in reaction vessel temperature and pressure fall after rise after, obtain p-tert-butylphenol aldehyde polyether demulsification agent.
Still do not synthesize the technique of p-tert-butylphenol aldehyde polyethers as emulsion splitter at present, technical scheme provided by the invention adopts the synthetic method of negative pressure high temperature, ensure that final obtained p-tert-butylphenol aldehyde polyether demulsification agent has higher purity.
In the above-mentioned methods, preferably, in step 2, continue the temperature controlled in reaction vessel in the process heated up and be no more than 150 DEG C, the pressure in reaction vessel is no more than 0.5MPa; More preferably, the pressure controlled in reaction vessel is 0.3-0.5MPa.
In the above-mentioned methods, preferably, in step 3, add propylene oxide when reacting in reaction vessel, the temperature controlled in reaction vessel is no more than 150 DEG C, and pressure is no more than 0.5MPa; More preferably, the pressure controlled in reaction vessel is 0.3-0.5MPa.
In the above-mentioned methods, preferably, in step one, described catalyzer comprises potassium hydroxide.
In the above-mentioned methods, preferably, the mol ratio of described para-tert-butyl phenolic resin and oxyethane is 1:9; The mol ratio of described oxyethane and propylene oxide is 1:(1-2); The consumption of described catalyzer accounts for the 1.0%-1.4% of all raw material total masses, is more preferably 1.2%.
In the above-mentioned methods, preferably, in step one, the preparation method of described para-tert-butyl phenolic resin comprises the following steps:
1mol p-tert-butylphenol, 1.1mol formaldehyde and 1.5-1.6mol dimethylbenzene are added in reaction vessel, reaction vessel is warming up to 75 DEG C, and in reaction vessel, add the ammoniacal liquor that 47.37g mass concentration is 37%, isothermal reaction 1h; Then 100 DEG C of reaction 1h are warming up to; Be warming up to 120 DEG C of reaction 1h again, and remove the water in reaction vessel; Finally be warming up to 140 DEG C of reaction 2h, and remove the water in reaction vessel, obtain para-tert-butyl phenolic resin.
Present invention also offers a kind of p-tert-butylphenol aldehyde polyether demulsification agent, it is obtained by the preparation method of above-mentioned p-tert-butylphenol aldehyde polyether demulsification agent.
Invention additionally provides a kind of method being prepared modification p-tert-butylphenol aldehyde polyether demulsification agent by above-mentioned p-tert-butylphenol aldehyde polyether demulsification agent, the method comprises the following steps:
A, p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent are added in reaction vessel, the temperature in reaction vessel is risen to 60-100 DEG C, be preferably 80 DEG C; Then in reaction vessel, drip vinylformic acid, dropwise rear reaction 0.5-2h, be preferably 1h,
B, in above-mentioned reaction vessel, drip tolylene diisocyanate, dropwise rear reaction 0.2-2h, be preferably 1h, obtain modification p-tert-butylphenol aldehyde polyether demulsification agent.
Be realized by the active hydrogen reaction added on tolylene diisocyanate (TDI) and emulsion splitter to the modification of tertiary butyl polyether demulsification agent, modification can increase molecular weight and the side chain number of p-tert-butylphenol aldehyde polyethers greatly.Relative molecular mass is higher, the surface-area that modification p-tert-butylphenol aldehyde polyether demulsification agent occupies on water-oil interface is also larger, dewatering speed is faster, meanwhile, the higly branched chain group that modification p-tert-butylphenol aldehyde polyether demulsification agent contains has good wettability and perviousness, it can be made to enter water-oil interface fast, accelerate dewatering speed further.
In the above-mentioned methods, preferably, the mass ratio of described p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent is (0.2-0.5): 1, is more preferably 1:3.
In the above-mentioned methods, preferably, described acrylic acid quality accounts for the 8%-12% of p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent total mass, is more preferably 10%.
In the above-mentioned methods, preferably, the consumption of described tolylene diisocyanate is the 2.0%-3.0% of vinylformic acid consumption, is more preferably 2.5%.
In the present invention, propylene glycol emulsion splitter is prepared according to the preparation method of p-tert-butylphenol aldehyde polyether demulsification agent, and in preparation process, the mol ratio of propylene glycol initiator and oxyethane is 1:9; The mol ratio of oxyethane and propylene oxide is 1:(1-2); The consumption of catalyzer (potassium hydroxide) is account for all raw material total masses 0.5%.
The present invention still further provides a kind of modification p-tert-butylphenol aldehyde polyether demulsification agent, and it is obtained by the method that the above-mentioned method utilizing p-tert-butylphenol aldehyde polyether demulsification agent to prepare modification p-tert-butylphenol aldehyde polyether demulsification agent is above-mentioned.
Present invention also offers a kind of demulsifier compound system, wherein: the composition of described demulsifier compound system comprises above-mentioned obtained p-tert-butylphenol aldehyde polyether demulsification agent, above-mentioned obtained modification p-tert-butylphenol aldehyde polyether demulsification agent, and acetic acid.Compared with existing breakdown of emulsion system, this demulsifier compound system can enter water-oil interface fast, and compound system middle-molecular-weihydroxyethyl higher can occupy larger area on water-oil interface, thus considerably increase phase separation.
In above-mentioned demulsifier compound system, preferably, with the volumeter of demulsifier compound system, the concentration of described p-tert-butylphenol aldehyde polyether demulsification agent is 80-110mg/L, the concentration of described modification p-tert-butylphenol aldehyde polyether demulsification agent is 80-110mg/L, and the concentration of described acetic acid is 45-55mg/L.
The demulsifier compound system that the present invention also provides can be applied in oil field mining liquid breakdown of emulsion.
Beneficial effect of the present invention:
1) technical scheme synthesis technique provided by the invention is simple, easy handling;
2) when emulsion splitter compound system provided by the invention is applied in Agent of Polymer Drive Produced Fulid, there is excellent dehydrating effect, effectively can solve the technical problem of Produced Liquid dehydration difficulty;
3) emulsion splitter provided by the invention meet system chemical feeding quantity at about 200mg/L time, just can reach good demulsification; When reaching 60min when treated, dehydration rate can reach more than 95%.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, existing following detailed description is carried out to technical scheme of the present invention, but can not be interpreted as to of the present invention can the restriction of practical range.
Embodiment 1
Present embodiments provide a kind of preparation method of p-tert-butylphenol aldehyde polyether demulsification agent, it comprises the following steps:
1) para-tert-butyl phenolic resin is prepared
1mol p-tert-butylphenol, 1.1mol formaldehyde and 1.5-1.6mol dimethylbenzene are added in round-bottomed flask, start agitator to stir, and be warming up to 75 DEG C, the mass concentration of slow dropping 47.37g is the ammoniacal liquor of 37%, isothermal reaction 1h, is then warming up to 100 DEG C of reaction 1h, continues to be warming up to 120 DEG C of reactions 1h (dehydration), be warming up to 140 DEG C of reactions 2h (dehydration), obtain para-tert-butyl phenolic resin;
2) p-tert-butylphenol aldehyde polyether demulsification agent is prepared
Take para-tert-butyl phenolic resin as initiator, itself and catalyzer (potassium hydroxide) are added in clean dry reactor, airtight good reactor, first uses nitrogen replacement, then vacuumizes before intensification, and repeatedly twice, start agitator and heat up;
When temperature rises to 120 DEG C, open feed valve, add oxyethane and continue raised temperature, guarantee that temperature is no more than 135 DEG C with pressure-controlling at below 0.4MP;
Fall after rise until pressure, after temperature declines, material reaction is complete, makes Pressure Drop in reactor to negative pressure, temperature of reaction kettle is risen to 135 DEG C, add propylene oxide after 30min, and control temperature is no more than 145 DEG C and pressure is no more than 0.4MP;
After pressure falling, temperature decline, material reaction is complete, makes Pressure Drop to negative pressure after 30min, last cooling discharge, obtains p-tert-butylphenol aldehyde polyether demulsification agent; Wherein,
The mol ratio of para-tert-butyl phenolic resin and oxyethane is 1:9, and the mol ratio of oxyethane and propylene oxide is 1:(1-2), the consumption of catalyzer potassium hydroxide is 1.2% of total quality of material.
The p-tert-butylphenol aldehyde polyethers breakdown of emulsion of table 1 different model
| Model | Block number | EO:PO (mol ratio) |
| H13 | 2 | 1:1 |
| H23 | 2 | 1:1.1 |
| H33 | 2 | 1:1.4 |
| H43 | 2 | 1:1.8 |
| H53 | 2 | 1:2 |
According to the method described above, according to the difference of T-Ring oxidative ethane (EO) and propylene oxide (PO) consumption, prepare series (H series) p-tert-butylphenol aldehyde polyether demulsification agent, as shown in table 1.
Embodiment 2
Present embodiments provide a kind of preparation method of modification p-tert-butylphenol aldehyde polyether demulsification agent, it comprises the following steps:
1) by the p-tert-butylphenol aldehyde polyether demulsification agent that provided by embodiment 1 and propylene glycol emulsion splitter in mass ratio for the ratio of 1:3 composite after, slowly vinylformic acid is dripped at 80 DEG C, its consumption is 10% of p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol emulsion splitter total mass, dropwises rear reaction 1h;
2) adopt tolylene diisocyanate (TDI) to make linking agent, consumption is 2.5% of vinylformic acid consumption, slowly drips after terminating and reacts 1h again, obtain modification p-tert-butylphenol aldehyde polyether demulsification agent; Wherein,
The preparation method of propylene glycol emulsion splitter with in embodiment 1 to the preparation method of butyl phenolic aldehyde polyether demulsification agent, during preparation, the mol ratio of propylene glycol initiator and oxyethane is 1:9, the mol ratio of oxyethane and propylene oxide is 1:(1-2), the consumption of catalyzer potassium hydroxide is 0.5% of total quality of material.
The modification p-tert-butylphenol aldehyde polyether demulsification agent of table 2 different model
| P-tert-butylphenol aldehyde polyether demulsification agent | Modification p-tert-butylphenol aldehyde polyether demulsification agent |
| H13 | P13 |
| H23 | P23 |
| H33 | P33 |
| H43 | P43 |
| H53 | P53 |
According to the method described above, the H series p-tert-butylphenol aldehyde polyether demulsification agent provided by embodiment 1, prepares corresponding series modified p-tert-butylphenol aldehyde polyether demulsification agent (P series), as shown in table 2.
Embodiment 3
The present embodiment provides a kind of demulsifier compound system.
Consisting of to tertiary butyl polyether demulsification agent (being provided by embodiment 1), modification to tertiary butyl polyether demulsification agent (being provided by embodiment 2) and acetic acid of this demulsifier compound system, its detailed component concentration is as shown in table 3.
The composition of table 3 different model demulsifier compound system and demulsification
H series embodiment 1 provided is to tertiary butyl polyether demulsification agent, the modification that embodiment 2 provides is to tertiary butyl polyether demulsification agent, acetic acid is according to above-mentioned compound proportion, prepare serial demulsifier compound system, and be applied in the process of the Produced Liquid of Liaohe Oil Field, the concentration of demulsifier compound system in Produced Liquid is 200mg/L, treatment temp is 50 DEG C, separating effect is as shown in table 3, in table 3 sequence number be 1 demulsifier compound system " 100H13+100P53+50 Glacial acetic acid " namely represent " 100mg/LH13+100mg/LP53+50mg/L Glacial acetic acid ", other by that analogy.
As can be seen from Table 3, when the chemical feeding quantity of demulsifier compound system is at 200mg/L, just good demulsification can be obtained; Treatment time, when being 60min, dehydration rate reached more than 95%.
Claims (12)
1. a preparation method for p-tert-butylphenol aldehyde polyether demulsification agent, the method comprises the following steps:
Step one, in reaction vessel, add para-tert-butyl phenolic resin and catalyzer, then heat up;
Step 2, when temperature rises to 100-150 DEG C, in reaction vessel, add oxyethane, continue to heat up;
Step 3, when the pressure and temperature in reaction vessel starts to fall after rise, by the Pressure Drop in reaction vessel to negative value, the temperature in reaction vessel is risen to 100-150 DEG C, then in reaction vessel, add propylene oxide and react;
Step 4, when in reaction vessel temperature and pressure fall after rise after, obtain p-tert-butylphenol aldehyde polyether demulsification agent.
2. method according to claim 1, wherein: in step 2, the temperature controlled in reaction vessel is no more than 150 DEG C, and the pressure in reaction vessel is no more than 0.5MPa;
Preferably, the pressure controlled in reaction vessel is 0.3-0.5MPa.
3. method according to claim 1, wherein: in step 3, adds propylene oxide when reacting in reaction vessel, and the temperature controlled in reaction vessel is no more than 150 DEG C, and pressure is no more than 0.5MPa;
Preferably, the pressure controlled in reaction vessel is 0.3-0.5MPa.
4. method according to claim 1, wherein: in step one, described catalyzer comprises potassium hydroxide.
5. method according to claim 1, wherein:
The mol ratio of described para-tert-butyl phenolic resin and oxyethane is 1:9;
The mol ratio of described oxyethane and propylene oxide is 1:(1-2);
The quality of described catalyzer accounts for the 1.0%-1.4% of all raw material total masses, is preferably 1.2%.
6. method according to claim 1, wherein: in step one, the preparation method of described para-tert-butyl phenolic resin comprises the following steps:
1mol p-tert-butylphenol, 1.1mol formaldehyde and 1.5-1.6mol dimethylbenzene are added in reaction vessel, reaction vessel is warming up to 75 DEG C, and in reaction vessel, add the ammoniacal liquor that 47.37g mass concentration is 37%, isothermal reaction 1h; Then 100 DEG C of reaction 1h are warming up to; Be warming up to 120 DEG C of reaction 1h again, and remove the water in reaction vessel; Finally be warming up to 140 DEG C of reaction 2h, and remove the water in reaction vessel, obtain para-tert-butyl phenolic resin.
7. a p-tert-butylphenol aldehyde polyether demulsification agent, it is obtained by the preparation method of the p-tert-butylphenol aldehyde polyether demulsification agent described in any one of claim 1-6.
8. prepared a method for modification p-tert-butylphenol aldehyde polyether demulsification agent by p-tert-butylphenol aldehyde polyether demulsification agent according to claim 7, the method comprises the following steps:
A, p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent are added in reaction vessel, the temperature in reaction vessel is risen to 60-100 DEG C, be preferably 80 DEG C; Then in reaction vessel, drip vinylformic acid, dropwise rear reaction 0.5-2h, be preferably 1h;
B, in above-mentioned reaction vessel, drip tolylene diisocyanate, dropwise rear reaction 0.2-2h, be preferably 1h, obtain modification p-tert-butylphenol aldehyde polyether demulsification agent.
9. method according to claim 8, wherein:
The mass ratio of described p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent is (0.2-0.5): 1, is preferably 1:3;
More preferably, described acrylic acid consumption is the 8%-12% of p-tert-butylphenol aldehyde polyether demulsification agent and propylene glycol polyether demulsification agent total mass, more preferably 10%;
Still more preferably, the consumption of described tolylene diisocyanate is the 2.0%-3.0% of vinylformic acid consumption, more more preferably 2.5%.
10. a modification p-tert-butylphenol aldehyde polyether demulsification agent, it is obtained by the method described in claim 8 or 9.
11. 1 kinds of demulsifier compound systems, its composition comprises p-tert-butylphenol aldehyde polyether demulsification agent according to claim 7, modification p-tert-butylphenol aldehyde polyether demulsification agent according to claim 10, and acetic acid; Wherein, with the volumeter of demulsifier compound system, the concentration of described p-tert-butylphenol aldehyde polyether demulsification agent is 80-110mg/L, and the concentration of described modification p-tert-butylphenol aldehyde polyether demulsification agent is 80-110mg/L, and the concentration of described acetic acid is 45-55mg/L.
12. application of demulsifier compound system according to claim 11 in oil field mining liquid breakdown of emulsion.
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| CN109609178A (en) * | 2018-12-19 | 2019-04-12 | 克拉玛依新科澳石油天然气技术股份有限公司 | Handle the demulsifier and preparation method thereof of viscous crude |
| CN110975338A (en) * | 2019-11-22 | 2020-04-10 | 山东清博生态材料综合利用有限公司 | Composite demulsifier suitable for hazardous waste industry |
| CN111154055A (en) * | 2020-01-20 | 2020-05-15 | 金浦新材料股份有限公司 | Synthetic method of special initiator for polyether crude oil demulsifier |
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| CN105885029A (en) * | 2016-05-07 | 2016-08-24 | 中国海洋石油总公司 | Polyether demulsifying agent based on hydramine-modified phenolic resin and synthesizing method thereof |
| CN106243358A (en) * | 2016-07-29 | 2016-12-21 | 北京迪威尔石油天然气技术开发有限公司 | A kind of preparation method of compound MethylethoxylsiliconFluid Fluid demulsifier |
| CN109135806A (en) * | 2018-08-17 | 2019-01-04 | 滨州市丰泰技术开发有限公司 | A kind of manufacturing method of marine oil field high-efficient demulsifier |
| CN109609178A (en) * | 2018-12-19 | 2019-04-12 | 克拉玛依新科澳石油天然气技术股份有限公司 | Handle the demulsifier and preparation method thereof of viscous crude |
| CN109609178B (en) * | 2018-12-19 | 2021-07-16 | 克拉玛依新科澳石油天然气技术股份有限公司 | Demulsifier for treating thick oil and preparation method thereof |
| CN110975338A (en) * | 2019-11-22 | 2020-04-10 | 山东清博生态材料综合利用有限公司 | Composite demulsifier suitable for hazardous waste industry |
| CN110975338B (en) * | 2019-11-22 | 2022-03-11 | 山东清博生态材料综合利用有限公司 | Composite demulsifier suitable for hazardous waste industry |
| CN111154055A (en) * | 2020-01-20 | 2020-05-15 | 金浦新材料股份有限公司 | Synthetic method of special initiator for polyether crude oil demulsifier |
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