CN106884170A - A kind of acidification corrosion inhibitor and preparation method thereof - Google Patents
A kind of acidification corrosion inhibitor and preparation method thereof Download PDFInfo
- Publication number
- CN106884170A CN106884170A CN201710087450.2A CN201710087450A CN106884170A CN 106884170 A CN106884170 A CN 106884170A CN 201710087450 A CN201710087450 A CN 201710087450A CN 106884170 A CN106884170 A CN 106884170A
- Authority
- CN
- China
- Prior art keywords
- corrosion inhibitor
- acid
- corrosion
- acidification corrosion
- acidification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 88
- 238000005260 corrosion Methods 0.000 title claims abstract description 88
- 239000003112 inhibitor Substances 0.000 title claims abstract description 36
- 230000020477 pH reduction Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims description 7
- PXQPEWDEAKTCGB-UHFFFAOYSA-N orotic acid Chemical class OC(=O)C1=CC(=O)NC(=O)N1 PXQPEWDEAKTCGB-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229960005010 orotic acid Drugs 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 150000001298 alcohols Chemical class 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims description 20
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 9
- MWWATHDPGQKSAR-UHFFFAOYSA-N propyne Chemical compound CC#C MWWATHDPGQKSAR-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical class OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 239000005862 Whey Substances 0.000 claims 2
- 102000007544 Whey Proteins Human genes 0.000 claims 2
- 108010046377 Whey Proteins Proteins 0.000 claims 2
- 150000001345 alkine derivatives Chemical class 0.000 claims 1
- 210000000481 breast Anatomy 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000116 mitigating effect Effects 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000004480 active ingredient Substances 0.000 abstract description 2
- 238000009472 formulation Methods 0.000 abstract description 2
- VKFAUCPBMAGVRG-UHFFFAOYSA-N dipivefrin hydrochloride Chemical compound [Cl-].C[NH2+]CC(O)C1=CC=C(OC(=O)C(C)(C)C)C(OC(=O)C(C)(C)C)=C1 VKFAUCPBMAGVRG-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002460 imidazoles Chemical class 0.000 description 4
- 239000002608 ionic liquid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- -1 imidazoline quaternary ammonium salt Chemical class 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000001246 bromo group Chemical group Br* 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 2
- 150000002462 imidazolines Chemical class 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 244000000626 Daucus carota Species 0.000 description 1
- 235000002767 Daucus carota Nutrition 0.000 description 1
- 208000004930 Fatty Liver Diseases 0.000 description 1
- 206010019708 Hepatic steatosis Diseases 0.000 description 1
- 241001272567 Hominoidea Species 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 244000088415 Raphanus sativus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000010706 fatty liver disease Diseases 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000020251 goat milk Nutrition 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 231100000240 steatosis hepatitis Toxicity 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A kind of acidification corrosion inhibitor, including propine 01 derivatives and orotic acid derivatives, wherein the mol ratio of the propilolic alcohol derivative and orotic acid is 5 0.2:1.The acidification corrosion inhibitor has efficient slow releasing function, and compared to the formulation agents effect that propilolic alcohol or propilolic alcohol and other corrosion inhibiter is used alone more preferably, especially its long-acting corrosion mitigating effect is significantly increased its corrosion mitigating effect.The corrosion inhibiter also has compatibility good, can be used cooperatively with various acidizing reagents, and synergy is more notable, and need not in the solution add special solvent dissolving, so active ingredient is high in corrosion inhibitor product, onsite application amount very little.
Description
Technical field
The present invention relates to a kind of propiolic alcohol acidification corrosion inhibitor and preparation method thereof, belong to oil exploitation acid stimulation technique
In inhibiter technology field.
Background technology
Acidifying refers to that a large amount of high concentration acid solutions are injected into stratum, pressureization acidifying is carried out to limestone Oil/gas Well, to recover or increase
Plus in-place permeability, realize a kind of technology of well production increment, intensified injection of wells.But in acidization, high concentration, a large amount of acid
Injection make oil-water well in pipeline, storage tank and process equipment can all be subjected to different degrees of corrosion.To prevent or reducing acid solution pair
The corrosion of equipment and downhole pipeline, generally in acid solution plus corrosion inhibiter.The corrosion inhibiter master that at home and abroad oil gas field is used at present
If the organic compounds such as organic amine, imidazolines, quaternary ammonium salt, wherein aromatic amine toxicity is larger, site operation use compared with
Many oil gas field corrosion inhibiter are mainly low toxicity, environmental protection, without the good imidazolines inhibition of special penetrating odor, heat endurance
Agent.But there is the shortcomings of relatively costly, raw material sources are limited in the imidazoles of the imidazoline quaternary ammonium salt for synthesizing, limit imidazoles
The extensive use of quinoline class corrosion inhibiter.
Both contain polar group in alkynol class inhibitor molecular, non-polar group is contained again, can effectively be adsorbed in metal
Surface；There is the coordination compound film of chemistry or electrochemical polymerization into polymolecular layer in the molecule after absorption, more strong can adsorb and exist
Metal surface and prevent metal erosion.Additionally, alkynol class corrosion inhibiter compounds not only effect with other corrosion inhibiter (amine, iodide)
Excellent and high temperature resistance, effect is premier will to count acetylene alcohol and propilolic alcohol.The fifties in last century, what Foster.G.L was released
Alkynol class corrosion inhibiter solve it is high temperature acidified during etching problem.
CN101565608 A disclose a kind of for acidifying corrosion inhibitor for oil well and preparation method thereof.Synthesize imidazoline first
Intermediate, then quaterisation is carried out with benzyl chloride, it is obtained with the compounding of propilolic alcohol in mass ratio 3: 1 after generation quaternary ammonium salt.0.4%
This corrosion inhibiter of (weight/mass percentage composition) has obvious inhibitory action in 15%HCl media to the corrosion of N80 carbon steels.60℃
The corrosion rate of lower corrosion 4h is 0.70g/m2H, its inhibition efficiency can reach 99.39%；Corrode the corrosion speed of 4h at 90 DEG C
Rate is 1.44g/m2H, refers to better than People's Republic of China's oil and gas industry standard SY/T5405-1996 corrosion evaluations
(at 60 DEG C, primes standard is 2~3g/m to mark primes standard2·h；At 90 DEG C, primes standard is 3~4g/m2·h)。
CN102226081 A disclose a kind of high-temperature acidification corrosion inhibitor, it is characterised in that the high-temperature acidification corrosion inhibitor by
By weight, the solution of 100 parts of the ketone aldehyde-amine condensate containing 40wt.%-50wt.%, 3-15 parts of propilolic alcohol and it is selected from
At least one component composition in KI, formamide, antimony oxide and trichloride antimony, wherein KI is 3-12 parts, first
Acid amides is 8-15 parts, and antimony oxide is 3-12 parts, and trichloride antimony is 3-12 parts；Wherein contain the keto-aldehyde of 40wt.%-50wt.%
The solution of amine condensation product is that APES and alcoholic solvent by ketone aldehyde-amine condensate and 1: 10-15 are mixed.
The invention further relates to a kind of method for preparing high-temperature acidification corrosion inhibitor.
CN103555313 A disclose a kind of imidazolium ionic liquid acidification corrosion inhibitor and preparation method and application.Institute
Imidazolium ionic liquid corrosion inhibiter is stated, is the compound with below general formula I structures.First synthesize N- with bromo normal alkane with imidazoles
Alkyl imidazole intermediate, then imidazolium ionic liquid corrosion inhibiter is obtained with bromo nalka hydrocarbon reaction.The imidazolium ionic liquid
It is used for during oil well acidation under the hot conditions of temperature >=60 DEG C as acidification corrosion inhibitor, for preventing acid solution to pipeline, gold
The corrosion of category equipment and down-hole string.
The content of the invention
Propilolic alcohol (PA) can effectively suppress iron corrosion in an acidic solution, reason be propilolic alcohol molecule in existing pole
Property group, has non-polar group, it is possible to as absorbent-type organic inhibitor again.The presence of other alkynyl makes propilolic alcohol molecule
P-d chemical bonds are formed between metallic atom, not only strengthens absorption, and the P in propilolic alcohol molecule can be weakened and be good for, three key is lived
Change, the polar hydroxyl groups adjacent with acetylene bond make this effect enhancing again.Propilolic alcohol carries out chemistry after absorption or electrochemistry is poly- simultaneously
Close, i.e., the coordination compound film of polymolecular layer is aggregated into by secondary chemical action, the hydrogen separated out on iron reduces propilolic alcohol, also promotes
Polymerization.These features in structure make propilolic alcohol be easy to absorption in metal surface, there is strong affinity to metal surface, can prevent
Only metal erosion, belongs to the inhibition type corrosion inhibiter based on suppression anode reaction.But propilolic alcohol exists in gold as corrosion inhibiter
Metal surface absorption is not sufficiently stable the problem of firm and long-acting slow-release effect on driving birds is not good.
Orotic acid (orotic acid, abbreviation OA), also known as the whey factor, the animal galactolipin factor and orotic acid, but
Because it can be synthesized by human body and enteral bacterium, and it vitamin is not classified as.OA is distributed in milk, human serum, human urine and sweet
In the biological samples such as dish, radish, carrot, milk lacks OA than containing relatively large number of OA in goat milk in people's milk.In medical row
Industry, OA can be used as the medicine of prevention and treatment hepatopathy, high fat of blood, fatty liver and diseases of cardiovascular and cerebrovascular systems；In food and feed
Industry, orotic acid is mainly used as food and feed additive；In cosmetics industry, orotic acid is mainly used as brightening agent intermediate.
Not yet having orotic acid at present is used for the report that corrosion inhibiter component is used.
Current most corrosion inhibiter is all compound product, i.e., using Imidazoline corrosion inhibitor or Mannich base corrosion inhibiter with
Allyl alcohol-like, surfactant-like compounds compounding are to slow down acid solution to corrosion of metal, but these corrosion inhibiter are all existed
Large usage quantity, use cost is higher；There is certain toxicity, the shortcomings of unfriendly to environment.
The present inventor is found surprisingly that propiolic alcohol derivative has with orotic acid derivatives by the product that reaction is obtained
Efficient corrosion inhibition, its corrosion mitigating effect is imitated compared to the formulation agents that propilolic alcohol or propilolic alcohol and other corrosion inhibiter is used alone
More preferably, especially its long-acting corrosion mitigating effect is significantly increased fruit.This is probably because propilolic alcohol and orotic acid mix reagent are combined
The advantage of cathodic corrosion inhibitor and anodic corrosion inhibitor, introduces the hetero atom such as N, O, S in the molecular structure, strengthens double bond and three keys
Polymerizability, relatively stable and fine and close diaphragm is formed in metal surface, with metal surface under the conditions of high temperature and peracidity
It is tightly combined.When propilolic alcohol is used alone, propilolic alcohol is discontinuously complete in the polymeric membrane that metal surface is formed, and there is gap, and
After adding orotic acid, the composite membrane of formation is more continuous whole, and the bonding force in metal surface is stronger, so as to achieve preferably
Corrosion mitigating effect.Corrosion inhibiter of the present invention also has compatibility good, can be used cooperatively with various acidizing reagents, and synergy is more
Significantly, and special solvent dissolving, so active ingredient is high in corrosion inhibitor product, onsite application amount need not be in the solution added
Very little.
A kind of acidification corrosion inhibitor, including propine 01 derivatives and orotic acid derivatives, wherein the propilolic alcohol derivative and
The mol ratio of orotic acid derivatives is 5-0.2:1.
The propine 01 derivatives are 2- methyl -3- butyne-2-alcohols or 2- propine -1- alcohol.
The orotic acid derivatives are preferably the pyridine derivate of orotic acid.
The pyridine derivate of the orotic acid is according to mass ratio 1-2 by orotic acid and pyridine：1 mixing, adds orotic acid
The water of quality 10-50%, obtains after being heated to 90-120 DEG C of reaction 1-3h.
Consumption of the acidification corrosion inhibitor in acid solution is 0.1-3wt%, preferably 0.1-0.5wt%.
The acidification corrosion inhibitor can be used for hydrochloric acid, mud acid, sulfuric acid, nitric acid.
The acid concentration of the acid solution is 1-30wt%, preferably 10-20wt%.
The preparation method of the acid restrainer, comprises the following steps：Orotic acid derivatives and propine 01 derivatives are added
Enter in there-necked flask, be heated to 80-120 DEG C, be stirred to reactant mixture and start backflow, then a certain proportion of aniline is used and is added
Funnel is slowly added in flask, and the 6-12h that flowed back at 70-80 DEG C obtains product.
The present invention has the following advantages that：
(1) content is high, only 1/10th of like product consumption, you can reach Standard；(2) host is from life
Thing derivative, it is environmentally friendly, it is smaller than conventional high temperature pyridine corrosion inhibiter class toxic；(3), not use organic solvent to carry out molten
Solution, its composition is not volatile, and site safety is high；(4) applied widely, its applicable well temperature is at≤180 DEG C；(5) it is in acid
Solubility is high, and solubility is fast, is easy to execute-in-place to configure；(6) 80 DEG C of its open flash point ＞, transport and onsite application process safety
Property is high.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
The pyridine derivate 200g of 2- propine -1- alcohol 56g and orotic acid, is heated to 110 DEG C, is stirred at reflux, and reacts 10h,
Obtain final product corrosion inhibiter A.
Comparative example 1
2- propine -1- alcohol 56g and Imidazoline corrosion inhibitor 200g, stir 10h, obtain corrosion inhibiter B.
Comparative example 2
The pyridine derivate 200g and Imidazoline corrosion inhibitor 200g of orotic acid, stir 10h, obtain corrosion inhibiter C.
Comparative example 3
2- propine -1- alcohol 56g
Embodiment 1 and corrosion inhibiter obtained in comparative example 1 and 2 are calculated into corrosion rate according to weight-loss method.Specific experiment step
It is as follows：(1) the N80 steel discs ethanol required by corrosion test, water, acetone are cleaned, is air-dried, numbering is weighed；(2) marked in multiple
The pure hydrochloric acid for being separately added into 200mL and the hydrochloric acid for adding corrosion inhibiter are added in quasi- reaction bulb, the steel disc of numbering is put into, held in constant temperature
Device sets temperature, reacts 4h；(3) after completion of the reaction, cleaned with water, ethanol, acetone successively, weighed again after air-drying；(4) root
Corrosion rate is calculated according to the steel disc mass change before and after reaction.
YHS-5 is contrasted with GB national sector standard Q/SH 0352-2010 acidification corrosion inhibitors technical requirements
Corrosion test data at 90 DEG C of 15wt% hydrochloric acid：
Corrosion test data at 120 DEG C of 15wt% hydrochloric acid：
Contrast test data according to corrosion test can be seen that corrosion inhibiter of the present invention, and there is more preferable inhibition to imitate
Really, its corrosion inhibiting ability is better than being used alone the corrosion inhibiter of propilolic alcohol, propilolic alcohol and imidazoline compounding, also superior to orotic acid and imidazoles
The corrosion inhibiter of quinoline compounding；And corrosion mitigating effect of the invention can keep for a long time, common acidifying solution is after stratum is injected
Need to keep 24-72h, corrosion inhibiter of the present invention can all keep slow release effect higher during whole acidification reaction, bright
It is aobvious to be better than other existing corrosion inhibitor products.Corrosion inhibitor product of the invention has prominent substantive distinguishing features, achieves expectation
Less than technique effect.
The above is only implementation example of the invention, protection scope of the present invention is not limited in any way.It is every to use this
Equivalent known to field or the equivalent technical scheme for exchanging formation, are within the scope of the present invention.
Claims (8)
1. a kind of acidification corrosion inhibitor, including propine 01 derivatives and orotic acid derivatives, wherein the propilolic alcohol derivative and breast
The mol ratio of clear acid derivative is 5-0.2:1.
2. acidification corrosion inhibitor according to claim 1, it is characterised in that the propine 01 derivatives are 2- methyl -3- fourths
Alkynes -2- alcohol or 2- propine -1- alcohol.
3. acidification corrosion inhibitor according to claim 1, it is characterised in that the orotic acid derivatives are whey acid reactions
Pyridine derivate.
4. acidification corrosion inhibitor according to claim 1, it is characterised in that consumption of the acidification corrosion inhibitor in acid solution be
0.1-3wt%, preferably 0.1-0.5wt%.
5. acidification corrosion inhibitor according to claim 1, it is characterised in that the acidification corrosion inhibitor can be used for hydrochloric acid, soil
Acid, sulfuric acid, nitric acid.
6. acidification corrosion inhibitor according to claim 1, it is characterised in that the acid concentration of the acid solution is 1-30wt%, preferably
It is 10-20wt%.
7. acidification corrosion inhibitor according to claim 3, it is characterised in that the pyridine derivate of the orotic acid is by whey
Acid and pyridine are according to mass ratio 1-2：1 mixing, adds the water of orotic acid quality 10-50%, is heated to 90-120 DEG C of reaction 1-3h
After obtain.
8. the preparation method of acidification corrosion inhibitor according to claim 1, comprises the following steps：By orotic acid derivatives and third
Propargyl alcohol derivative is added in there-necked flask, is heated to 80-120 DEG C, is stirred to reactant mixture and is started backflow, then will necessarily be compared
The aniline charging hopper of example is slowly added in flask, and the 6-12h that flowed back at 70-80 DEG C obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087450.2A CN106884170B (en) | 2017-02-17 | 2017-02-17 | A kind of acidification corrosion inhibitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087450.2A CN106884170B (en) | 2017-02-17 | 2017-02-17 | A kind of acidification corrosion inhibitor and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884170A true CN106884170A (en) | 2017-06-23 |
| CN106884170B CN106884170B (en) | 2019-10-18 |
Family
ID=59178797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710087450.2A Expired - Fee Related CN106884170B (en) | 2017-02-17 | 2017-02-17 | A kind of acidification corrosion inhibitor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106884170B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030063999A1 (en) * | 2001-09-04 | 2003-04-03 | Tirthankar Ghosh | Inhibiting metallic corrosion in aqueous systems |
| CN101100754A (en) * | 2006-07-05 | 2008-01-09 | 中国科学院海洋研究所 | Uracil carbon steel pickling corrosion inhibitor and application thereof |
| CN102031526A (en) * | 2010-11-10 | 2011-04-27 | 中国海洋石油总公司 | Low-temperature acidification corrosion inhibitor and preparation method thereof |
| CN102676140A (en) * | 2012-04-26 | 2012-09-19 | 南京华洲新材料有限公司 | Nitrogenous heterocyclic quaternary ammonium salt acidizing corrosion inhibitor and preparation method thereof |
| CN105694836A (en) * | 2016-01-05 | 2016-06-22 | 南京华洲新材料有限公司 | Diverting acid acidizing corrosion inhibitor and preparation method thereof |
| CN106350056A (en) * | 2016-08-27 | 2017-01-25 | 中国石油集团渤海钻探工程有限公司 | Corrosion inhibitor applicable to crosslinked acid acidification at 120-140 DEG C and preparation method of corrosion inhibitor applicable to crosslinked acid acidification at 120-140 DEG C |
-
2017
- 2017-02-17 CN CN201710087450.2A patent/CN106884170B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030063999A1 (en) * | 2001-09-04 | 2003-04-03 | Tirthankar Ghosh | Inhibiting metallic corrosion in aqueous systems |
| CN101100754A (en) * | 2006-07-05 | 2008-01-09 | 中国科学院海洋研究所 | Uracil carbon steel pickling corrosion inhibitor and application thereof |
| CN102031526A (en) * | 2010-11-10 | 2011-04-27 | 中国海洋石油总公司 | Low-temperature acidification corrosion inhibitor and preparation method thereof |
| CN102676140A (en) * | 2012-04-26 | 2012-09-19 | 南京华洲新材料有限公司 | Nitrogenous heterocyclic quaternary ammonium salt acidizing corrosion inhibitor and preparation method thereof |
| CN105694836A (en) * | 2016-01-05 | 2016-06-22 | 南京华洲新材料有限公司 | Diverting acid acidizing corrosion inhibitor and preparation method thereof |
| CN106350056A (en) * | 2016-08-27 | 2017-01-25 | 中国石油集团渤海钻探工程有限公司 | Corrosion inhibitor applicable to crosslinked acid acidification at 120-140 DEG C and preparation method of corrosion inhibitor applicable to crosslinked acid acidification at 120-140 DEG C |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884170B (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102021583B (en) | Corrosion inhibitor for oil well and preparation method thereof | |
| CN102382638B (en) | Application of pyridine compound for preparing acidization corrosion inhibitors | |
| WO2022152193A1 (en) | CORROSION INHIBITOR SUITABLE FOR ACIDIFICATION AT 200ºC AND USE THEREOF | |
| CN103059825B (en) | Corrosion inhibitor for oil wells and preparation method | |
| CN101629072A (en) | Oil field acidification high temperature inhibiter and preparation method thereof | |
| CN107418549A (en) | A kind of compound acidification corrosion inhibitor of 120 ~ 140 DEG C of heatproof | |
| CN104560005A (en) | Mannich base type acidizing corrosion inhibitor and preparation method thereof | |
| CN108410444A (en) | A kind of acidification corrosion inhibitor and the preparation method and application thereof based on dimer indole derivative | |
| CN103469211B (en) | A kind of Polymeric imidazoline corrosion inhibitor and preparation method thereof | |
| CN108753271A (en) | A kind of acidification composite corrosion inhibitor and preparation method thereof | |
| CN108707906A (en) | A kind of high temperature compound corrosion inhibitor and preparation method thereof suitable for mild steel | |
| CN102071005A (en) | High-temperature acidification corrosion inhibitor and preparation method thereof | |
| CN105239076A (en) | Dissymmetric bis-quaternary ammonium carbon dioxide corrosion inhibitor and preparation method thereof | |
| CN109761380A (en) | Research of non-phosphorus scale inhibitor and preparation method thereof containing tracer polymer | |
| CN105885814A (en) | Corrosion inhibitor for oil-gas well acidification and preparation method thereof | |
| CN105036363A (en) | Composite corrosion inhibitor suitable for desalted water and preparation method | |
| CN104861956A (en) | Oil and gas field acidification high-temperature corrosion Inhibitor and preparation method thereof | |
| CN105062459B (en) | A kind of high-temperature acidification corrosion inhibitor and preparation method thereof | |
| CN101158043A (en) | Method for synthesizing mannich alkali steel inhibitor mother liquor and steel inhibitor mother liquor | |
| CN109336851B (en) | four-Schiff base acidizing corrosion inhibitor and preparation method and application thereof | |
| CN106884170B (en) | A kind of acidification corrosion inhibitor and preparation method thereof | |
| CN103881696B (en) | Highly-water-soluble, high temperature resistant Mannich base corrosion inhibiter intermediate and preparation method | |
| CN1760320B (en) | New typed high temperature acidified corrosion inhibitor and preparation method | |
| CN105238379B (en) | A kind of long-acting corrosion inhibiter of acidification of gas well and its preparation method and application method | |
| CN106432085A (en) | Carbamido contained bis-imidazoline corrosion inhibitor and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |