CN107400230A - A kind of high efficient cryogenic petroleum demulsifier and preparation method - Google Patents
A kind of high efficient cryogenic petroleum demulsifier and preparation method Download PDFInfo
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- CN107400230A CN107400230A CN201710697943.8A CN201710697943A CN107400230A CN 107400230 A CN107400230 A CN 107400230A CN 201710697943 A CN201710697943 A CN 201710697943A CN 107400230 A CN107400230 A CN 107400230A
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- high efficient
- chemical compounds
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- demulsifier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/327—Polymers modified by chemical after-treatment with inorganic compounds containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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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- 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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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The present invention relates to petroleum demulsifier technical field, especially a kind of high efficient cryogenic petroleum demulsifier, its composition is phenolic resin polyoxyethylene poly-oxygen propylene aether phosphate, and its molecular weight is 4,800 5200.The invention also provides a kind of preparation method of high efficient cryogenic petroleum demulsifier, comprise the following steps:From initiator, initiator is added into reaction vessel, backward reaction vessel in add catalyst, 4 6h are reacted under 120 150 DEG C of environment, chemical compounds I is generated, chemical compounds I is transferred to esterifier, and add phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide ratio is 3: 1, and keeping temperature is 50 DEG C, continues 5h;8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, by in compound ii MEA and generation final product, the present invention introduces phosphate ester in traditional demulsifier product, and dehydration temperaturre is low, de-emulsification speed is fast, the ability that is demulsified is strong, energy-saving, improve operating efficiency.
Description
Technical field
The present invention relates to petroleum demulsifier technical field, more particularly to a kind of high efficient cryogenic petroleum demulsifier and preparation side
Method.
Background technology
Enter the later stage in oil field development, various oil reservoirs enter High water cut, high extraction, ' three is high ' rank of high rate of oil production substantially
Section, and crude oil water containing increases severely, and for steady production, ultimate recovery is improved, using causing to adopt after many DP technologies and measure
Serious emulsification, water-oil separating difficulty, difficulty of transportation, the energy consumption for going out liquid increase severely.Build crude oil low temperature dewatering control system, crucial skill
Art is on the premise of not changing existing production technology, to find suitable low-temperature demulsifying agent.
Phosphate ester surfactants are one of important kinds of anion surfactant.Mainly include alkyl phosphate and
Alkyl ether phosphate.Its industrial products composition includes monoesters, dibasic acid esters, three esters and its mixture.As people are to phosphoric acid ester table
Activating agent research in face deepens continuously, it is found that it not only has excellent antistatic behaviour, and have excellent wetting, washing,
The purposes such as solubilising, emulsification, lubrication, antirust.But seldom applied in petroleum demulsifier.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of high efficient cryogenic oil proposed is broken
Emulsion and preparation method.
To achieve these goals, present invention employs following technical scheme:
A kind of high efficient cryogenic petroleum demulsifier is designed, its composition is phenolic resin polyoxyethylene poly-oxygen propylene aether phosphate,
Its molecular weight is 4800-5200.
The invention also provides a kind of preparation method of high efficient cryogenic petroleum demulsifier, comprise the following steps:
S1:From initiator, select DPA, TA, DT resin single or mixing is used as initiator;
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction hold
Catalyst is added in device, segmentation addition expoxy propane, reacting ethylene oxide 4-6h, generate compound under the conditions of 120-150 DEG C
I, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide
Than for 3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene polyoxypropylene
Ether phosphate;
S5:By in compound ii MEA and generation final product, as a kind of de-emulsification speed is fast, demulsification ability is strong
Low-temperature demulsifying agent.
Preferably, the catalyst includes KOH, NaOH or caustic alcohol, and dosage is the 1-3 ‰ of generation compound.
Preferably, reaction pressure is 0-0.2MPa in S2.
A kind of high efficient cryogenic petroleum demulsifier proposed by the present invention and preparation method, beneficial effect are:The present invention is passing
Phosphate ester is introduced in system demulsifier product, dehydration temperaturre is low, de-emulsification speed is fast, the ability that is demulsified is strong, energy-saving, improve work
Efficiency.Realize that low-temperature demulsification is dehydrated, reach and be dehydrated the thorough, purpose that interface is neat, water quality is limpid.It is a large amount of so as to be saved for enterprise
The energy, its economic benefit have a larger increase.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.
A kind of high efficient cryogenic petroleum demulsifier, its composition are phenolic resin polyoxyethylene poly-oxygen propylene aether phosphate, its point
Son amount is 4800-5200.
Embodiment 1
A kind of preparation method of high efficient cryogenic petroleum demulsifier, comprises the following steps:
S1:From initiator, TA resins are selected as initiator.
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction hold
Catalyst is added in device, catalyst KOH, adds expoxy propane, reacting ethylene oxide 5h in 130 DEG C of segmentations, reaction pressure is
0.15MPa, generate chemical compounds I, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide
Than for 3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene polyoxypropylene
Ether phosphate;
S5:By in compound ii MEA and generation final product, as a kind of de-emulsification speed is fast, demulsification ability is strong
Low-temperature demulsifying agent.
Embodiment 2
A kind of preparation method of high efficient cryogenic petroleum demulsifier, comprises the following steps:
S1:From initiator, DT resins are selected as initiator.
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction hold
Catalyst is added in device, catalyst is caustic alcohol, and expoxy propane, reacting ethylene oxide 6h, reaction pressure are added in 140 DEG C of segmentations
For 0.12MPa, chemical compounds I, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether are generated;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide
Than for 3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene polyoxypropylene
Ether phosphate;
S5:By in compound ii MEA and generation final product, as a kind of de-emulsification speed is fast, demulsification ability is strong
Low-temperature demulsifying agent.
Embodiment 3
A kind of preparation method of high efficient cryogenic petroleum demulsifier, comprises the following steps:
S1:From initiator, DPA resins are selected as initiator.
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction hold
Catalyst is added in device, catalyst includes KOH, and expoxy propane, reacting ethylene oxide 6h, reaction pressure are added in 135 DEG C of segmentations
For 0.15MPa, chemical compounds I, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether are generated;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide
Than for 3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene polyoxypropylene
Ether phosphate;
S5:By in compound ii MEA and generation final product, as a kind of de-emulsification speed is fast, demulsification ability is strong
Low-temperature demulsifying agent.
Embodiment 4
A kind of preparation method of high efficient cryogenic petroleum demulsifier, comprises the following steps:
S1:From initiator, selecting DPA, TA and DT resin, its weight ratio is 3 as initiator:4:5;
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction hold
Catalyst is added in device, catalyst includes KOH, and expoxy propane, reacting ethylene oxide 5h, reaction pressure are added in 145 DEG C of segmentations
For 0.18MPa, chemical compounds I, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether are generated;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight of chemical compounds I and phosphorus pentoxide
Than for 3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene polyoxypropylene
Ether phosphate;
S5:By in compound ii MEA and generation final product, as a kind of de-emulsification speed is fast, demulsification ability is strong
Low-temperature demulsifying agent.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of high efficient cryogenic petroleum demulsifier, it is characterised in that its composition is phenolic resin polyoxyethylene poly-oxygen propylene aether phosphorus
Acid esters, its molecular weight are 4800-5200.
2. the preparation method of a kind of high efficient cryogenic petroleum demulsifier according to claim 1, it is characterised in that including following
Step:
S1:From initiator, select DPA, TA, DT resin single or mixing is used as initiator;
S2:Initiator is added into reaction vessel, is stirred using agitator, is well mixed raw material, backward reaction vessel in
Catalyst is added, segmentation addition expoxy propane, reacting ethylene oxide 4-6h, generate chemical compounds I, i.e., under the conditions of 120-150 DEG C
Phenolic resin polyoxyethylene poly-oxygen propylene aether;
S3:Chemical compounds I is transferred to esterifier, and adds phosphorus pentoxide, the weight ratio of chemical compounds I and phosphorus pentoxide is
3: 1, keeping temperature is 50 DEG C, continues 5h;
S4:8% de-ionate is added, and hydrolyzes 1h, obtains compound ii, i.e. phenolic resin polyoxyethylene poly-oxygen propylene aether phosphorus
Acid esters;
S5:By in compound ii MEA and generation final product, the low temperature that as a kind of de-emulsification speed is fast, demulsification ability is strong
Demulsifier.
A kind of 3. preparation method of high efficient cryogenic petroleum demulsifier according to claim 2, it is characterised in that the catalysis
Agent includes KOH, NaOH or caustic alcohol, and dosage is the 1-3 ‰ of generation compound.
4. the preparation method of a kind of high efficient cryogenic petroleum demulsifier according to claim 2, it is characterised in that reacted in S2
Pressure is 0-0.2MPa.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109652116A (en) * | 2018-10-18 | 2019-04-19 | 东营施普瑞石油工程技术有限公司 | Crude oil Produced Liquid low temperature dewatering demulsifier and preparation method thereof |
CN113072921A (en) * | 2020-01-06 | 2021-07-06 | 中国石油化工股份有限公司 | Viscosity reducer for ultra-thick oil in shaft |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060036057A1 (en) * | 2003-03-14 | 2006-02-16 | Lang Frank T | Phosphoric ester demulsifier composition |
CN106220679A (en) * | 2016-07-19 | 2016-12-14 | 南通市晗泰化工有限公司 | α phenylalkyl polyoxyethylenated alcohol phosphate ester and preparation method |
-
2017
- 2017-08-15 CN CN201710697943.8A patent/CN107400230A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060036057A1 (en) * | 2003-03-14 | 2006-02-16 | Lang Frank T | Phosphoric ester demulsifier composition |
CN106220679A (en) * | 2016-07-19 | 2016-12-14 | 南通市晗泰化工有限公司 | α phenylalkyl polyoxyethylenated alcohol phosphate ester and preparation method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109652116A (en) * | 2018-10-18 | 2019-04-19 | 东营施普瑞石油工程技术有限公司 | Crude oil Produced Liquid low temperature dewatering demulsifier and preparation method thereof |
CN113072921A (en) * | 2020-01-06 | 2021-07-06 | 中国石油化工股份有限公司 | Viscosity reducer for ultra-thick oil in shaft |
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