CN106283069A - For oil-gas gathering and transportation corrosion inhibiter and preparation method thereof - Google Patents
For oil-gas gathering and transportation corrosion inhibiter and preparation method thereof Download PDFInfo
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- CN106283069A CN106283069A CN201610783308.7A CN201610783308A CN106283069A CN 106283069 A CN106283069 A CN 106283069A CN 201610783308 A CN201610783308 A CN 201610783308A CN 106283069 A CN106283069 A CN 106283069A
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- 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
- C23F11/141—Amines; Quaternary ammonium compounds
- C23F11/143—Salts of amines
-
- 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
- C23F11/16—Sulfur-containing compounds
-
- 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
- C23F11/16—Sulfur-containing compounds
- C23F11/163—Sulfonic acids
-
- 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
- C23F11/18—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 inorganic inhibitors
-
- 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
- C23F11/18—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 inorganic inhibitors
- C23F11/187—Mixtures of inorganic inhibitors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a kind of for oil-gas gathering and transportation corrosion inhibiter, belong to technical field of anticorrosion.By weight percentage, it is made up of following components: fatty acid 10～40%；Polyethylene polyamine 10～30%；Boric acid 0.5～6%；Quaternizing agent 5～30%；Compound ligand 5～15%；Organic solvent 10～25%.Compound ligand, by first synthesis quaternization imidazolinium compounds, is then added to quaternization imidazolinium compounds, defines corrosion inhibiter complex by the present invention.The sodium lauryl sulphate of interpolation, dodecylbenzene sodium sulfonate, sodium iodide, the compound ligand of sodium bromide in this complex, corrosion mitigating effect can be increased on the basis of quaternization imidazolinium compounds, improve slow release rate, sodium lauryl sulphate, dodecylbenzene sodium sulfonate belong to the surfactant of nontoxic biological degradability simultaneously, also act as certain degreasing effect.The invention also discloses the preparation method of above-mentioned corrosion inhibiter.
Description
Technical field
The present invention relates to a kind of corrosion inhibiter, be especially a kind of inhibition of a kind of corrosion control for oil-gas gathering and transferring pipeline
Agent and preparation method thereof, belongs to technical field of anticorrosion.
Background technology
Oil-gas gathering and transportation refers to that the oil by being produced by scattered oil well, associated natural gas and other products are concentrated
Come, through series of processes, preliminary working, after again by the outer oil plant and natural of being passed to of the qualified oil and natural gas after processing
Gas user's overall process.Oil extraction process can produce a large amount of gas, a large amount of gases include the medium of corrosion, gas wraps
Include CO2, O2, H2S, CI-Deng, oil gas pipeline therein is the longest, and oil and gas pipes and pipe joint etc. all exist
Etching problem, when causing the leakage of oil gas after corrosion failure, consequence is by hardly imaginable.Therefore oil-gas gathering and transferring pipeline needs to add
Corrosion inhibiter is to prevent the corrosion to pipeline.
In addition to gas attack, the problem that there is also water filling.Owing to China's overwhelming majority oil field uses water flooding recovery, re-injection
Water water quality is complicated, in injection process in various degree dissolved the gas such as hydrogen sulfide, carbon dioxide, and reinjected water salinity
High.They can corrode hardware and pipeline further, not only causes huge economic loss, has more had a strong impact on oil field
Normal production.In the last few years, domestic scholars has carried out substantial amounts of research to corrosion inhibiter, is prepared for the preferable sample of corrosion mitigating effect.
Such as Imidazoline corrosion inhibitor, the wherein structure of the imidazoline ring in corrosion inhibiter, it is ensured that it has good corrosion inhibition；Simultaneously
The corrosion inhibiter of imidazolidine derivatives is the most studied, and is used as corrosion inhibitor for oil field reinjection water, and its corrosion inhibition rate can reach
94.44%.In developmental research later, it is raw material by oleic acid and diethylenetriamine, synthesizes a kind of new oil imidazole acid and delay
Erosion agent, corrosion mitigating effect is preferable.But, along with the increase of current oil and gas content produces and uses, in order to ensure good inhibition effect
Really, the concentration of corrosion inhibiter is improving always, and this is very for the cost produced and etch-proof permanent effect
Disadvantageous, therefore prepare novel corrosion mitigating effect good and can with onsite application for oil-gas gathering and transportation corrosion inhibiter meaning weight
Greatly.
Summary of the invention
The technical problem to be solved is to overcome prior art defect, it is provided that a kind of corrosion mitigating effect is good, preparation
Method is simple, can meet the demand that oil field produces, and reduces production cost, effectively protection oil-gas gathering and transferring pipeline corrosion inhibiter and
Preparation method.
In order to solve above-mentioned technical problem, the present invention provide for oil-gas gathering and transportation corrosion inhibiter, by weight percentage, it
It is made up of following components:
Fatty acid 10～40%；
Polyethylene polyamine 10～30%；
Boric acid 0.5～6%；
Quaternizing agent 5～30%；
Compound ligand 5～15%；
Organic solvent 10～25%.
Further, the mixture of one or more during described fatty acid is oleic acid, benzoic acid, aphthenic acids.
Further, described polyethylene polyamine is the one in diethylenetriamine, triethylene tetramine, TEPA or several
The mixture planted.
Further, described organic solvent is one or more in toluene, o-Dimethylbenzene, xylol, meta-xylene
Mixture.
Further, described quaternizing agent is a kind of in benzyl chloride, dimethyl sulfate or their mixture.
Further, described compound ligand is in sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium iodide, sodium bromide
The mixture of one or more.
Present invention also offers the above-mentioned preparation method for oil-gas gathering and transportation corrosion inhibiter, comprise the following steps:
1) fatty acid, polyethylene polyamine, organic solvent, boric acid are joined in reactor, first 100～160 DEG C of temperature
Under the conditions of degree, stirring reaction 1.5～4 hours；
2) again temperature is risen to 180～220 DEG C, stirring reaction 2～6 hours, obtain imidazolinium compounds；
3) in step 2) product in drip quaternizing agent, control temperature at 100～140 DEG C, dropwise reaction 1 hour,
After dropping, continue stirring reaction and obtain quaternization imidazolinium compounds in 3～6 hours；
4) by compound ligand add to above-mentioned steps 3) quarternary ammonium salt compound in, stir, i.e. prepare for oil gas collection
Defeated corrosion inhibiter.
Having the beneficial effects that relative to prior art: by first synthesizing quaternization imidazolinium compounds, so
After compound ligand is added in quaternization imidazolinium compounds, define corrosion inhibiter complex.Ten added in this complex
Sodium dialkyl sulfate, dodecylbenzene sodium sulfonate, sodium iodide, the compound ligand of sodium bromide, can be at quaternization imidazoline chemical combination
Increasing corrosion mitigating effect on the basis of thing, improve slow release rate, sodium lauryl sulphate, dodecylbenzene sodium sulfonate belong to nontoxic simultaneously
The surfactant of biological degradability, also act as the effect of certain degreasing, be environmentally friendly corrosion inhibiter.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is elaborated.
Embodiment 1
1) 24 grams of aphthenic acids, 30 grams of triethylene tetramines, 16 grams of o-Dimethylbenzenes, 0.5 gram of boric acid are entered with stirring, dropping dress
Put, in the reactor of thermometer and condensing tube, be first warming up under 125 DEG C of stirring conditions reaction 2 hours；
2) again it is warming up under 180 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 5 hours；
3) dripping quaternizing agent benzyl chloride 18 grams in above-mentioned product, temperature controls at 130 DEG C, dropwise reaction 1 hour,
Drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 5 hours；
4) 11.5 grams of sodium iodide are added to quaternization imidazolinium compounds, stir, prepare for oil gas collection
Defeated corrosion inhibiter.
Embodiment 2
1) 10 grams of oleic acid, 18 grams of TEPAs, 25 grams of meta-xylenes, 2 grams of boric acid are entered with stirring, Dropping feeder,
In the reactor of thermometer and condensing tube, first it is warming up under 100 DEG C of stirring conditions reaction 4 hours；
2) again it is warming up under 180 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 5 hours；
3) dripping quaternizing agent benzyl chloride 30 grams in above-mentioned product, temperature controls at 140 DEG C, dropwise reaction 1 hour,
Drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 3 hours；
4) 15 grams of sodium lauryl sulphates are added to quaternization imidazolinium compounds, stir, prepare and be used for
Oil-gas gathering and transportation corrosion inhibiter.
Embodiment 3
1) by 20 grams of oleic acid, 20 grams of benzoic acid, 10 grams of diethylenetriamines, 10 grams of toluene, 10 grams of xylol, 6 grams of boric acid
Enter in the reactor with stirring, Dropping feeder, thermometer and condensing tube, be first warming up under 150 DEG C of stirring conditions reaction 2 little
Time；
2) again it is warming up under 220 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 2 hours；
3) dripping quaternizing agent dimethyl sulfate 15 grams in above-mentioned product, temperature controls at 130 DEG C, dropwise reaction 1
Hour, drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 4 hours；
4) 9 grams of sodium lauryl sulphates are added to quaternization imidazolinium compounds, stir, prepare for oil
The defeated corrosion inhibiter of gas collection.
Embodiment 4
1) 15 grams of benzoic acid, 15 grams of diethylenetriamines, 10 grams of TEPAs, 10 grams of meta-xylenes, 5 grams of boric acid are entered band
Have in the reactor of stirring, Dropping feeder, thermometer and condensing tube, be first warming up under 160 DEG C of stirring conditions reaction 1.5 hours；
2) again it is warming up under 200 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 5 hours；
3) dripping quaternizing agent benzyl chloride 10 grams, dimethyl sulfate 20 grams in above-mentioned product, temperature controls 140
DEG C, dropwise reaction 1 hour, drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 3 hours；
4) 15 grams of dodecylbenzene sodium sulfonate are added to quaternization imidazolinium compounds, stir, prepare and use
In oil-gas gathering and transportation corrosion inhibiter.
Embodiment 5
1) by 10 grams of oleic acid, 10 grams of benzoic acid, 10 grams of aphthenic acids, 20 grams of diethylenetriamines, 5 grams of toluene, 15 grams to diformazan
Benzene, 3 grams of boric acid enter in the reactor with stirring, Dropping feeder, thermometer and condensing tube, are first warming up to 110 DEG C of stirring conditions
Lower reaction 3 hours；
2) again it is warming up under 180 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 5 hours；
3) dripping quaternizing agent benzyl chloride 20 grams in above-mentioned product, temperature controls at 100 DEG C, dropwise reaction 1 hour,
Drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 6 hours；
4) 7 grams of sodium lauryl sulphates are added to quaternization imidazolinium compounds, stir, prepare for oil
The defeated corrosion inhibiter of gas collection.
Embodiment 6
1) 20 grams of benzoic acid, 15 grams of triethylene tetramines, 25 grams of toluene, 5 grams of boric acid are entered with stirring, Dropping feeder, temperature
In the reactor of degree meter and condensing tube, first it is warming up under 130 DEG C of stirring conditions reaction 2 hours；
2) again it is warming up under 210 DEG C of stirring conditions reaction and obtains imidazolinium compounds in 4 hours；
3) dripping quaternizing agent benzyl chloride 30 grams in above-mentioned product, temperature controls at 120 DEG C, dropwise reaction 1 hour,
Drip complete follow-up continuous stirring reaction and obtain quaternization imidazolinium compounds in 5 hours；
4) 5 grams of sodium bromide are added to quaternization imidazolinium compounds, stir, prepare and delay for oil-gas gathering and transportation
Erosion agent.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and modification, these improve and modification
Also should be regarded as protection scope of the present invention.
Claims (7)
1. one kind is used for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that by weight percentage, it is made up of following components:
Fatty acid 10～40%；
Polyethylene polyamine 10～30%；
Boric acid 0.5～6%；
Quaternizing agent 5～30%；
Compound ligand 5～15%；
Organic solvent 10～25%.
It is the most according to claim 1 for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that: described fatty acid is oleic acid, benzene first
The mixture of one or more in acid, aphthenic acids.
It is the most according to claim 1 and 2 for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that: described polyethylene polyamine is two
The mixture of one or more in ethylene triamine, triethylene tetramine, TEPA.
It is the most according to claim 3 for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that: described organic solvent is toluene, neighbour
The mixture of one or more in dimethylbenzene, xylol, meta-xylene.
It is the most according to claim 4 for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that: described quaternizing agent is chlorination
A kind of in benzyl, dimethyl sulfate or their mixture.
It is the most according to claim 5 for oil-gas gathering and transportation corrosion inhibiter, it is characterised in that: described compound ligand is dodecyl sulfur
The mixture of one or more in acid sodium, dodecylbenzene sodium sulfonate, sodium iodide, sodium bromide.
7. the preparation method for oil-gas gathering and transportation corrosion inhibiter described in claim 1, it is characterised in that comprise the following steps:
1) fatty acid, polyethylene polyamine, organic solvent, boric acid are joined in reactor, under 100～160 DEG C of temperature conditionss,
Stirring reaction 1.5～4 hours；
2) again temperature is risen to 180～220 DEG C, stirring reaction 2～6 hours, obtain imidazolinium compounds；
3) in step 2) product in drip quaternizing agent, control temperature at 100～140 DEG C, dropwise reaction 1 hour, dropping
After, continue stirring reaction and obtain quaternization imidazolinium compounds in 3～6 hours；
4) by compound ligand add to above-mentioned steps 3) quarternary ammonium salt compound in, stir, i.e. prepare for oil-gas gathering and transportation delay
Erosion agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783308.7A CN106283069A (en) | 2016-08-30 | 2016-08-30 | For oil-gas gathering and transportation corrosion inhibiter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783308.7A CN106283069A (en) | 2016-08-30 | 2016-08-30 | For oil-gas gathering and transportation corrosion inhibiter and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504343A (en) * | 2018-05-09 | 2018-09-07 | 西安瑞杰油田物资实业开发有限公司 | A kind of sulfur resistive corrosion inhibiter and preparation method thereof |
| 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 |
| CN110724958A (en) * | 2019-11-18 | 2020-01-24 | 西南石油大学 | A kind of corrosion inhibitor for inhibiting metal corrosion and preparation method thereof |
| CN111073618A (en) * | 2020-01-03 | 2020-04-28 | 陕西日新石油化工有限公司 | Solid corrosion inhibitor capable of being released uniformly and preparation method thereof |
| CN111441054A (en) * | 2020-04-14 | 2020-07-24 | 丁双龙 | High-acid high-salt corrosion inhibitor suitable for low-temperature part of oil refining device |
| CN111826658A (en) * | 2020-07-23 | 2020-10-27 | 宜兴金兑化工有限公司 | Preparation method of hydrogenation corrosion inhibitor composition |
| US11492710B2 (en) | 2019-11-18 | 2022-11-08 | Ascend Performance Materials Operations Llc | Trifunctional amine based corrosion inhibitor compositions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846379A (en) * | 2015-06-02 | 2015-08-19 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Preparation method of vegetable oil acid based imidazoline carbon dioxide corrosion inhibitor |
-
2016
- 2016-08-30 CN CN201610783308.7A patent/CN106283069A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846379A (en) * | 2015-06-02 | 2015-08-19 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Preparation method of vegetable oil acid based imidazoline carbon dioxide corrosion inhibitor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504343A (en) * | 2018-05-09 | 2018-09-07 | 西安瑞杰油田物资实业开发有限公司 | A kind of sulfur resistive corrosion inhibiter and preparation method thereof |
| 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 |
| CN110724958A (en) * | 2019-11-18 | 2020-01-24 | 西南石油大学 | A kind of corrosion inhibitor for inhibiting metal corrosion and preparation method thereof |
| US11492710B2 (en) | 2019-11-18 | 2022-11-08 | Ascend Performance Materials Operations Llc | Trifunctional amine based corrosion inhibitor compositions |
| TWI792093B (en) * | 2019-11-18 | 2023-02-11 | 美商阿散德性能材料營運公司 | Trifunctional amine based corrosion inhibitor compositions |
| CN111073618A (en) * | 2020-01-03 | 2020-04-28 | 陕西日新石油化工有限公司 | Solid corrosion inhibitor capable of being released uniformly and preparation method thereof |
| CN111441054A (en) * | 2020-04-14 | 2020-07-24 | 丁双龙 | High-acid high-salt corrosion inhibitor suitable for low-temperature part of oil refining device |
| CN111826658A (en) * | 2020-07-23 | 2020-10-27 | 宜兴金兑化工有限公司 | Preparation method of hydrogenation corrosion inhibitor composition |
| CN111826658B (en) * | 2020-07-23 | 2022-08-16 | 宜兴金兑化工有限公司 | Preparation method of hydrogenation corrosion inhibitor composition |
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Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |