CN115368933A - Demulsifying and cleaning water integrated agent for oilfield produced fluid and preparation method thereof - Google Patents
Demulsifying and cleaning water integrated agent for oilfield produced fluid and preparation method thereof Download PDFInfo
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- CN115368933A CN115368933A CN202210125511.0A CN202210125511A CN115368933A CN 115368933 A CN115368933 A CN 115368933A CN 202210125511 A CN202210125511 A CN 202210125511A CN 115368933 A CN115368933 A CN 115368933A
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- parts
- demulsification
- produced fluid
- water integrated
- integrated agent
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000004140 cleaning Methods 0.000 title abstract description 3
- 150000001412 amines Chemical class 0.000 claims abstract description 13
- 239000006184 cosolvent Substances 0.000 claims abstract description 13
- 239000002952 polymeric resin Substances 0.000 claims abstract description 10
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- 150000001735 carboxylic acids Chemical class 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- -1 polyoxypropylene Polymers 0.000 claims description 8
- 229920001451 polypropylene glycol Polymers 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 239000008394 flocculating agent Substances 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 5
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229960002446 octanoic acid Drugs 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 239000005639 Lauric acid Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an oil field produced fluid demulsification and clean water integrated agent and a preparation method thereof, wherein the oil field produced fluid demulsification and clean water integrated agent comprises the following components in parts by mass: 15-25 parts of high polymer resin, 20-45 parts of fatty amine, 8-22 parts of water, 1-4 parts of flocculant, 3-16 parts of dispersing cosolvent and 8-20 parts of organic carboxylic acid. The invention has simple preparation process and strong demulsification and water cleaning capability.
Description
Technical Field
The invention relates to an oil field produced fluid demulsification and clear water integrated agent and a preparation method thereof.
Background
In the process of oil field exploitation, the crude oil produced liquid contains a large amount of water, which brings great inconvenience to crude oil gathering and transportation, and needs to be subjected to dehydration treatment, so that the demulsification and clear water integrated agent with strong capacity and simple and convenient preparation process is urgently needed to be developed.
Disclosure of Invention
In view of the defects or shortcomings in the prior art, the oilfield produced fluid demulsification and clean water integrated agent which is simple in preparation process and strong in capacity of demulsification and clean water and the preparation method thereof are expected to be provided.
The invention provides an oil field produced fluid demulsification and clean water integrated agent which comprises the following components in parts by mass: 15-25 parts of high polymer resin, 20-45 parts of fatty amine, 8-22 parts of water, 1-4 parts of flocculant, 3-16 parts of dispersing cosolvent and 8-20 parts of organic carboxylic acid.
Further, the polymer resin is a mixture of phenol-amine-aldehyde resin, polyoxypropylene and polyoxyethylene ether.
Furthermore, the flocculant is one or a mixture of two of cationic polyacrylamide, poly dimethyl diallyl ammonium chloride and polyaluminum sulfate.
Further, the dispersing cosolvent is a mixture of sodium dodecyl benzene sulfonate and diethanol butyl ether.
Further, the organic carboxylic acid is one or a mixture of two of caprylic acid, lauric acid, oleic acid and naphthenic acid.
In addition, the invention also provides a preparation method of the oilfield produced fluid demulsification and clean water integrated agent, which comprises the following steps:
1) Adding fatty amine into a synthesis reaction kettle, controlling the time for 10-15min, adding organic carboxylic acid while stirring, keeping the temperature at 60-80 ℃, adding sulfonic acid as a catalyst, heating to 120-140 ℃, and reacting for 6-8h;
2) Uniformly mixing phenolic amine aldehyde resin, polyoxypropylene and polyoxyethylene ether, adding water, and uniformly stirring;
3) Adding the solution prepared in the step 2) into the solution prepared in the step 1) and uniformly stirring, then adding the dispersing cosolvent and uniformly stirring, then adding the flocculating agent and uniformly stirring, and keeping the temperature at 40-50 ℃;
4) And extracting air in the synthesis reaction kettle, inputting nitrogen for replacement, and keeping the temperature at 40-50 ℃ for reaction for 2-3h after the replacement is finished to prepare the demulsification and clear water integrated agent.
Compared with the prior art, the invention has the beneficial effects that:
the demulsification and clear water integrated agent prepared by the method has a simple production process and lower requirements on production equipment. The demulsification and clear water integrated agent is added with the polymer resin, so that the separation of hydrophilic groups and lipophilic groups is facilitated, the separation and the removal of water in a water-oil emulsification system are promoted, and the addition of the sulfonic acid can accelerate the settling velocity of mechanical impurities and facilitate the rapid demulsification process. The produced demulsification and clear water integrated agent has excellent dehydration and deoiling effects.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Detailed Description
The present invention will be described in further detail with reference to examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below by way of examples.
Example 1:
an oil field produced fluid demulsification and clean water integrated agent comprises the following components in parts by mass: 15 parts of high polymer resin, 25 parts of fatty amine, 10 parts of water, 1 part of flocculant, 5 parts of dispersing cosolvent and 12 parts of organic carboxylic acid. The polymer resin is a mixture of phenol-amine-aldehyde resin, polyoxypropylene and polyoxyethylene ether. The flocculating agent is a mixture of cationic polyacrylamide and poly dimethyl diallyl ammonium chloride. The dispersing cosolvent is a mixture of sodium dodecyl benzene sulfonate and diethanol butyl ether. The organic carboxylic acid is a mixture of caprylic acid and oleic acid.
Example 2:
an oil field produced fluid demulsification and clear water integrated agent comprises the following components in parts by mass: 20 parts of high polymer resin, 40 parts of fatty amine, 20 parts of water, 3 parts of flocculant, 8 parts of dispersing cosolvent and 18 parts of organic carboxylic acid. The polymer resin is a mixture of phenol-amine-aldehyde resin, polyoxypropylene and polyoxyethylene ether. The flocculating agent is a mixture of cationic polyacrylamide and polyaluminium sulfate. The dispersing cosolvent is a mixture of sodium dodecyl benzene sulfonate and diethanol butyl ether. The organic carboxylic acid is mixture of octanoic acid and naphthenic acid.
Example 3:
a preparation method of an oilfield produced fluid demulsification and clean water integrated agent is characterized by comprising the following steps:
1) Adding fatty amine into a synthesis reaction kettle, controlling the reaction time to be 12min, adding organic carboxylic acid while stirring, keeping the temperature at 60 ℃, adding sulfonic acid as a catalyst, heating to 120 ℃, and reacting for 7h;
2) Uniformly mixing phenolic amine aldehyde resin, polyoxypropylene and polyoxyethylene ether, adding water, and uniformly stirring;
3) Adding the solution prepared in the step 2) into the solution prepared in the step 1) and uniformly stirring, then adding the dispersing cosolvent and uniformly stirring, then adding the flocculating agent and uniformly stirring, and keeping the temperature at 45 ℃;
4) Extracting air in the synthesis reaction kettle, inputting nitrogen for replacement, and after the replacement is finished, keeping the temperature at 45 ℃ for reaction for 2.5 hours to prepare the demulsification and clear water integrated medicament
Example 4:
a preparation method of an oilfield produced fluid demulsification and clean water integrated agent is characterized by comprising the following steps:
1) Adding fatty amine into a synthesis reaction kettle, controlling the time for 15min, adding organic carboxylic acid while stirring, keeping the temperature at 70 ℃, adding sulfonic acid as a catalyst, heating to 130 ℃, and reacting for 6h;
2) Uniformly mixing phenolic amine aldehyde resin, polyoxypropylene and polyoxyethylene ether, adding water, and uniformly stirring;
3) Adding the solution prepared in the step 2) into the solution prepared in the step 1) and uniformly stirring, then adding the dispersing cosolvent and uniformly stirring, then adding the flocculating agent and uniformly stirring, and keeping the temperature at 50 ℃;
4) Extracting air in the synthesis reaction kettle, inputting nitrogen for replacement, and after the replacement is finished, keeping the temperature at 50 ℃ for reaction for 2 hours to prepare the demulsification and clear water integrated agent
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," etc., means that a particular feature, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The demulsification and clean water integrated agent for the oilfield produced fluid is characterized by comprising the following components in parts by mass: 15-25 parts of high polymer resin, 20-45 parts of fatty amine, 8-22 parts of water, 1-4 parts of flocculant, 3-16 parts of dispersing cosolvent and 8-20 parts of organic carboxylic acid.
2. The oilfield produced fluid demulsification and clear water integrated agent as claimed in claim 1, wherein the polymer resin is a mixture of phenol-amine-aldehyde resin, polyoxypropylene and polyoxyethylene ether.
3. The oilfield produced fluid demulsification and clear water integrated agent as claimed in claim 2, wherein the flocculant is one or a mixture of two of cationic polyacrylamide, polydimethyldiallylammonium chloride and polyaluminium sulfate.
4. The oilfield produced fluid demulsification and clear water integrated agent as claimed in claim 3, wherein the dispersing cosolvent is a mixture of sodium dodecyl benzene sulfonate and diethanol butyl ether.
5. The oilfield produced fluid demulsification and clear water integrated agent as claimed in claim 4, wherein the organic carboxylic acid is one or a mixture of two of caprylic acid, lauric acid, oleic acid and naphthenic acid.
6. A preparation method of an oilfield produced fluid demulsification and clean water integrated agent is characterized by comprising the following steps:
1) Adding fatty amine into a synthesis reaction kettle, controlling the time for 10-15min, adding organic carboxylic acid while stirring, keeping the temperature at 60-80 ℃, adding sulfonic acid as a catalyst, heating to 120-140 ℃, and reacting for 6-8h;
2) Uniformly mixing phenolic amine aldehyde resin, polyoxypropylene and polyoxyethylene ether, adding water, and uniformly stirring;
3) Adding the solution prepared in the step 2) into the solution prepared in the step 1) and uniformly stirring, then adding the dispersing cosolvent and uniformly stirring, then adding the flocculating agent and uniformly stirring, and keeping the temperature at 40-50 ℃;
4) And extracting air in the synthesis reaction kettle, inputting nitrogen for replacement, and keeping the temperature at 40-50 ℃ for reaction for 2-3h after the replacement is finished to prepare the demulsification and clear water integrated agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125511.0A CN115368933A (en) | 2022-02-10 | 2022-02-10 | Demulsifying and cleaning water integrated agent for oilfield produced fluid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125511.0A CN115368933A (en) | 2022-02-10 | 2022-02-10 | Demulsifying and cleaning water integrated agent for oilfield produced fluid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115368933A true CN115368933A (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210125511.0A Pending CN115368933A (en) | 2022-02-10 | 2022-02-10 | Demulsifying and cleaning water integrated agent for oilfield produced fluid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115368933A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210023475A1 (en) * | 2019-07-24 | 2021-01-28 | Baker Hughes, A Ge Company, Llc | Demulsifying additive for separation of oil and water |
| CN113004937A (en) * | 2021-04-07 | 2021-06-22 | 兴友新材料科技(山东)有限公司 | Novel clear water demulsifier and preparation method thereof |
-
2022
- 2022-02-10 CN CN202210125511.0A patent/CN115368933A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210023475A1 (en) * | 2019-07-24 | 2021-01-28 | Baker Hughes, A Ge Company, Llc | Demulsifying additive for separation of oil and water |
| CN113004937A (en) * | 2021-04-07 | 2021-06-22 | 兴友新材料科技(山东)有限公司 | Novel clear water demulsifier and preparation method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20221122 |