CN113480987A - Imidazoline corrosion inhibitor and preparation method and application thereof - Google Patents
Imidazoline corrosion inhibitor and preparation method and application thereof Download PDFInfo
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- CN113480987A CN113480987A CN202110867048.2A CN202110867048A CN113480987A CN 113480987 A CN113480987 A CN 113480987A CN 202110867048 A CN202110867048 A CN 202110867048A CN 113480987 A CN113480987 A CN 113480987A
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- corrosion inhibitor
- imidazoline
- imidazoline corrosion
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- 230000007797 corrosion Effects 0.000 title claims abstract description 99
- 238000005260 corrosion Methods 0.000 title claims abstract description 99
- 239000003112 inhibitor Substances 0.000 title claims abstract description 83
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 238000005956 quaternization reaction Methods 0.000 claims abstract description 16
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229940073608 benzyl chloride Drugs 0.000 claims abstract description 7
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims abstract description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 6
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005642 Oleic acid Substances 0.000 claims abstract description 6
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 6
- 229960001124 trientine Drugs 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000005764 inhibitory process Effects 0.000 claims description 11
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 238000007363 ring formation reaction Methods 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 3
- 239000004299 sodium benzoate Substances 0.000 claims description 3
- 235000010234 sodium benzoate Nutrition 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000020477 pH reduction Effects 0.000 abstract description 9
- -1 imidazoline quaternary ammonium salt Chemical class 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 229960002969 oleic acid Drugs 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000005917 acylation reaction Methods 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 239000004280 Sodium formate Substances 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses an imidazoline corrosion inhibitor and a preparation method and application thereof. The invention mainly aims to solve the problems of acidizing and fracturing construction of oil fields and corrosion of the inner wall of an oil-gas well pipeline. The reaction product of oleic acid, triethylene tetramine, benzyl chloride and other raw materials is mainly adopted and then compounded with other synergists. The synergist and the corrosion inhibitor supplement each other, and the performance of the corrosion inhibitor is greatly improved. Meanwhile, the corrosion inhibitor can meet the acidification requirement, is also suitable for indexes of oil and gas wells, and has various applicability. The imidazoline quaternary ammonium salt corrosion inhibitor is prepared by further modifying an imidazoline corrosion inhibitor main body, introducing a hydrophilic group, performing quaternization reaction, reacting with benzyl chloride, and compounding with other synergists. The synergist and the corrosion inhibitor supplement each other, and the performance of the corrosion inhibitor is greatly improved.
Description
Technical Field
The invention belongs to the field of oilfield acidizing and fracturing and oil-gas well transportation, and particularly relates to an imidazoline corrosion inhibitor and a preparation method and application thereof.
Background
At present, oil fields at home and abroad are continuously exploited, the oil yield is gradually reduced, a large number of deep low-permeability oil reservoirs are discovered and exploited, acid is difficult to distribute uniformly during acidification, but the oil and gas fields are constructed by acid fracturing, and the permeability of stratum gaps and cracks can be improved by recovering the dissolution and corrosion effects of acid on rock cements or stratum gaps, plugs in the rock gaps and the like. The corrosion inhibitor mainly has the effect of inhibiting the corrosion of the oil and gas well, so the corrosion inhibitor is widely applied to the corrosion prevention work of the oil and gas well, particularly, the permeability of a stratum is improved while the resistance of oil and gas flow is reduced, but after acid substances are injected into the oil and gas well, potential safety hazards in the aspects of pipeline bursting and the like are easily formed, and the application of the strengthened acidification corrosion inhibitor is needed for strengthening the treatment of the acid corrosion inhibitor;
the main current corrosion inhibitors in the market at present mainly comprise quinoline quaternary ammonium salt, pyridine quaternary ammonium salt, aldehyde ketone amine condensation compound and the like, the content of toxic and harmful substances is high, the environment pollution is serious, the production process is complex, the environment-friendly concept of energy conservation is not met, the universality is not strong, and the acidification and oil-gas well corrosion inhibitors cannot be used universally.
Disclosure of Invention
The invention aims to provide an imidazoline corrosion inhibitor, a preparation method and application thereof, so as to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an imidazoline corrosion inhibitor comprises the following components in percentage by mass:
further, the corrosion inhibitor comprises the following components in percentage by mass:
further, the preparation method of the imidazoline corrosion inhibitor comprises the following steps:
step 1: adding oleic acid and triethylene tetramine for mixing to obtain an imidazoline corrosion inhibitor intermediate;
step 2: then carrying out quaternization on the imidazoline intermediate and benzyl chloride to obtain the main agent of the imidazoline corrosion inhibitor.
And step 3: and mixing the obtained imidazoline corrosion inhibitor main agent, sodium benzoate, phenethyl phenol polyoxyethylene ether and water to obtain an imidazoline corrosion inhibitor finished product.
Further, in the step 1, the mixing conditions are as follows: the temperature is 120 ℃ and 130 ℃, the rotating speed is 150 ℃ and 200r/min, and the reaction is carried out for 3 hours.
Further, the quaternization conditions in step 2 are as follows: the reaction was carried out at 80-90 ℃ for 1 hour.
Furthermore, before carrying out quaternization reaction, distilling out moisture in the imidazoline corrosion inhibitor intermediate at one time, slowly heating to about 180 ℃ for cyclization reaction, and completing the reaction for about two hours to obtain the imidazoline corrosion inhibitor intermediate.
Further, in the step 2, a surfactant and water are added during the quaternization reaction.
Furthermore, the application of the imidazoline corrosion inhibitor is to apply the imidazoline corrosion inhibitor to an oil-gas well to measure the corrosion inhibition rate.
Compared with the prior art, the invention has the following technical effects:
the imidazoline quaternary ammonium salt corrosion inhibitor is prepared by further modifying an imidazoline corrosion inhibitor main body, introducing a hydrophilic group, performing quaternization reaction, reacting with benzyl chloride, and compounding with other synergists. The synergist and the corrosion inhibitor supplement each other, and the performance of the corrosion inhibitor is greatly improved.
The phenethyl phenol polyoxyethylene ether used in the invention has the characteristics of high cloud point, super-strong emulsifying property and the like, is easy to degrade and is environment-friendly;
in the invention, in order to improve the water solubility, a hydrophilic group needs to be introduced. The imidazoline corrosion inhibitor is quaternized, so that the water solubility of the imidazoline corrosion inhibitor can be greatly improved, and the corrosion inhibition effect is greatly improved.
The imidazoline main agent provided by the invention is simple in synthesis method, overcomes the defect that toxic substances such as toluene and the like are required to be used as water carrying agents in the traditional imidazoline preparation process, greatly improves water solubility after quaternization, and can reduce the using amount of a surfactant.
The imidazoline corrosion inhibitor synthesized by the invention is added with a small amount of linear alkyl benzene sodium sulfonate to improve the water solubility and delay the corrosion in oil and gas wells, and is added with a proper amount of thiourea, and the compounded imidazoline corrosion inhibitor can be applied to the oil and gas wells, and has extremely high corrosion inhibition performance by measuring the corrosion inhibition rate under different conditions.
Detailed Description
An imidazoline corrosion inhibitor comprises the following components in percentage by mass:
acidification aspect
Step 1: oleic acid and triethylene tetramine are added, the temperature is 120-130 ℃, the rotating speed is 150-200r/min, and the imidazoline corrosion inhibitor intermediate can be obtained after reaction for about 3 hours.
Step 2: then the imidazoline intermediate and benzyl chloride react for 1 hour at the temperature of 80-90 ℃ to carry out quaternization, and the imidazoline corrosion inhibitor main agent is obtained.
And step 3: mixing the obtained imidazoline corrosion inhibitor main agent, sodium benzoate, phenethyl phenol polyoxyethylene ether and water to obtain the finished product of the imidazoline corrosion inhibitor.
The raw material proportioning example is as follows:
example of raw materials proportioning
Example of raw Material proportioning
The selected phenethyl phenol polyoxyethylene ether has the characteristics of high cloud point, super-strong emulsifying property and the like, is easy to degrade and is environment-friendly.
Comprises the following steps:
(1) firstly, imidazoline corrosion inhibitor is needed to be prepared, and then the imidazoline corrosion inhibitor is compounded with other surface active agents and synergists. The method has the advantages of being suitable for two different environments of acidification and oil-gas wells, and having strong applicability.
(2) And adding a proper amount of oleic acid and triethylene tetramine, adding a small amount of water and a proper amount of surfactant to ensure that the system is uniform and is not sticky, so that the reaction is easy to carry out. Firstly, acylation reaction is carried out at low temperature, water is generated along with the reaction, all water in the system is distilled at one time, the temperature is raised to about 180 ℃ for cyclization reaction, and the imidazoline corrosion inhibitor can be obtained after the reaction is completed within about two hours.
In order to improve the water solubility, a hydrophilic group needs to be introduced. The imidazoline corrosion inhibitor is quaternized, so that the water solubility of the imidazoline corrosion inhibitor can be greatly improved, and the corrosion inhibition effect is greatly improved.
Adding proper amount of oleic acid and triethylene tetramine, adding a small amount of water and a proper amount of surfactant to ensure that the system is uniform and non-sticky, and controlling the temperature at 120-130 ℃. First, proceed with
The acylation reaction can generate water along with the reaction, in order to promote the forward reaction, the original water in the system and the water generated by the reaction need to be distilled out at one time, the temperature is slowly raised to about 180 ℃ for cyclization reaction, the imidazoline corrosion inhibitor can be obtained after the reaction is completed for about two hours, and then the quaternization reaction is carried out. Adding a predetermined amount of imidazoline corrosion inhibitor and benzyl chloride, adding proper surfactant and water, performing quaternization reaction at about 80 ℃, and obtaining the imidazoline quaternary ammonium salt corrosion inhibitor main agent after the reaction is finished for about 1 hour. The main agent can be applied to acidification and oil and gas wells by being compatible with different synergists.
Overcomes the defect that toxic substances such as toluene and the like are required to be used as water carrying agents in the traditional imidazoline preparation, greatly improves the water solubility after quaternization, and can reduce the using amount of the surfactant.
A small amount of phenethyl phenol polyoxyethylene ether is added into the synthesized imidazoline corrosion inhibitor to improve the water solubility of the imidazoline corrosion inhibitor, sodium formate is added to be used as a corrosion inhibition synergist to obtain the acidification corrosion inhibitor, the corrosion inhibitor has good corrosion inhibition effect when being used at high and low temperatures, and the corrosion inhibitor can reach the first-class standard at different temperature sections according to the detection standard in SY/T5405-one 1996.
The corrosion inhibitor is prepared by adding a small amount of linear alkyl benzene sodium sulfonate into the synthesized imidazoline corrosion inhibitor main agent, so that the water solubility of the imidazoline corrosion inhibitor main agent can be improved, meanwhile, the corrosion in an oil-gas well can be delayed, a proper amount of thiourea is added, the compounded imidazoline corrosion inhibitor can be applied to the oil-gas well, and the corrosion inhibition rate of the compounded imidazoline corrosion inhibitor is determined under different conditions, so that the compounded imidazoline corrosion inhibitor has extremely high corrosion inhibition performance.
Example (b):
the corrosion inhibitor comprises the following components in percentage by mass:
acidification aspect
The performance of the corrosion inhibitor is determined as follows:
the corrosion inhibitor is improved, the corrosion inhibition rate is obviously improved, the water solubility is enhanced after quaternization, the cost is reduced, and the corrosion inhibitor far exceeds similar products on the market.
Claims (8)
1. The imidazoline corrosion inhibitor is characterized by comprising the following components in percentage by mass:
2. the imidazoline corrosion inhibitor of claim 1, wherein the corrosion inhibitor comprises the following components in percentage by mass:
3. a method for preparing an imidazoline corrosion inhibitor, which is characterized in that the imidazoline corrosion inhibitor based on any one of claims 1 to 2 comprises the following steps:
step 1: adding oleic acid and triethylene tetramine for mixing to obtain an imidazoline corrosion inhibitor intermediate;
step 2: then carrying out quaternization on the imidazoline intermediate and benzyl chloride to obtain an imidazoline corrosion inhibitor main agent;
and step 3: and mixing the obtained imidazoline corrosion inhibitor main agent, sodium benzoate, phenethyl phenol polyoxyethylene ether and water to obtain an imidazoline corrosion inhibitor finished product.
4. The method for preparing the imidazoline corrosion inhibitor according to claim 3, wherein the mixing conditions in the step 1 are as follows: the temperature is 120 ℃ and 130 ℃, the rotating speed is 150 ℃ and 200r/min, and the reaction is carried out for 3 hours.
5. The method for preparing imidazoline corrosion inhibitor according to claim 3, wherein the quaternization condition in step 2 is: the reaction was carried out at 80-90 ℃ for 1 hour.
6. The method for preparing imidazoline corrosion inhibitor of claim 3, wherein the intermediate imidazoline corrosion inhibitor is prepared by distilling off water from the intermediate imidazoline corrosion inhibitor in one step before quaternization, slowly heating to about 180 ℃ for cyclization, and reacting for about two hours.
7. The method for preparing an imidazoline corrosion inhibitor of claim 3, wherein a surfactant and water are added during the quaternization in step 2.
8. Use of an imidazoline corrosion inhibitor, characterized in that, based on an imidazoline corrosion inhibitor of any one of claims 1 to 2, the imidazoline corrosion inhibitor is used in oil and gas wells for determining corrosion inhibition rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110867048.2A CN113480987A (en) | 2021-07-29 | 2021-07-29 | Imidazoline corrosion inhibitor and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110867048.2A CN113480987A (en) | 2021-07-29 | 2021-07-29 | Imidazoline corrosion inhibitor and preparation method and application thereof |
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| CN202110867048.2A Pending CN113480987A (en) | 2021-07-29 | 2021-07-29 | Imidazoline corrosion inhibitor and preparation method and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668507A (en) * | 1984-04-04 | 1987-05-26 | S. C. Johnson & Son, Inc. | Corrosion resistant insecticial composition |
| CN103602328A (en) * | 2013-10-28 | 2014-02-26 | 中国石油天然气股份有限公司 | Compounded imidazoline corrosion inhibitor and preparation method thereof |
| CN103723843A (en) * | 2013-12-13 | 2014-04-16 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor and preparation method thereof |
| CN108048065A (en) * | 2017-11-14 | 2018-05-18 | 中国石油天然气股份有限公司 | A kind of oil/gas well corrosion inhibiter and its preparation method and application |
| CN110359053A (en) * | 2019-08-21 | 2019-10-22 | 甘肃泰升化工科技有限公司 | A kind of compound Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor and preparation method thereof |
-
2021
- 2021-07-29 CN CN202110867048.2A patent/CN113480987A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668507A (en) * | 1984-04-04 | 1987-05-26 | S. C. Johnson & Son, Inc. | Corrosion resistant insecticial composition |
| CN103602328A (en) * | 2013-10-28 | 2014-02-26 | 中国石油天然气股份有限公司 | Compounded imidazoline corrosion inhibitor and preparation method thereof |
| CN103723843A (en) * | 2013-12-13 | 2014-04-16 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor and preparation method thereof |
| CN108048065A (en) * | 2017-11-14 | 2018-05-18 | 中国石油天然气股份有限公司 | A kind of oil/gas well corrosion inhibiter and its preparation method and application |
| CN110359053A (en) * | 2019-08-21 | 2019-10-22 | 甘肃泰升化工科技有限公司 | A kind of compound Imidazoline Quatemary-ammonium-salt Corrosion Inhibitor and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张艺钟等: "一种油田型缓蚀剂的合成与性能测试", 《腐蚀与防护》 * |
| 李孟等: "《新型水处理材料的理论与应用研究》", 3 August 2005, 武汉理工大学出版社 * |
| 高金龙等: "二氧化氯介质中脂肪醇聚氧乙烯醚及其复配缓蚀剂对Q235钢的缓蚀作用", 《表面技术》 * |
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