Corrosion inhibition of HCL treatment fluids with environmentally compatible solvent

US11066749B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11066749-B2
Application numberUS-202016780488-A
CountryUS
Kind codeB2
Filing dateFeb 3, 2020
Priority dateMay 27, 2015
Publication dateJul 20, 2021
Grant dateJul 20, 2021

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A method of treating in a subterranean formation including placing a corrosion inhibitor composition into a subterranean formation, where the formation includes an acidic environment having a pH of about 5 or below, where the composition includes: an organic solvent comprising an alcohol with a flash point of at least about 75° C.; a nitrogen containing compound; an aqueous acid solution comprising HCl; and contacting a metal surface with the corrosion inhibitor composition. A corrosion inhibitor composition includes an organic solvent comprising an alcohol with a flash point of at least about 75° C.; a nitrogen containing compound; and an aqueous acid solution comprising HCl.

First claim

Opening claim text (preview).

What is claimed is: 1. A corrosion inhibitor composition comprising: an organic solvent comprising tetrahydrofurfuryl alcohol; a nitrogen containing compound, wherein the nitrogen containing compound includes at least one of: the product of a reaction between at least one aldehyde and at least one amide that is not formamide or a formamide derivative; a quaternary nitrogen containing compound; and combinations thereof, and an aqueous acid solution comprising HCl. 2. The composition of claim 1 , wherein the organic solvent is present in an amount of about 5% to about 100% by weight of the aqueous acid solution. 3. The composition of claim 1 , wherein the at least one aldehyde comprises at least one aldehyde selected from the group consisting of 2-hydroxynapthaldehyde, 7-phenyl-2,4,6-heptatrienal, crotonaldehyde, 2-hexenal, 2-heptenal, 2-octenal; 2-nonenal, 2-decenal, 2-undecenal, 2-dodecenal, 2,4-hexadienal, 2,4-heptadienal, 2,4-octadienal, 2,4-nonadienal, 2,4-decadienal, 2,4-undecadienal, 2,4-dodecadienal, 2,6-dodecadienal, citral, 1-formyl-[2-(2 methylvinyl)]-2-n-octylethylene, cinnamaldehyde, dicinnamaldehyde, p-hydroxycinnamaldehyde, p-methylcinnamaldehyde, p-ethylcinnamaldehyde, p-methoxycinnamaldehyde, p-dimethylaminocinnamaldehyde, p-diethylaminocinnamaldehyde, p-nitrocinnamaldehyde, o-nitrocinnamaldehyde, o-allyloxycinnamaldehyde, 4-(3-propenal)cinnamaldehyde, p-sodium sulfocinnamaldehyde, p-trimethylammoniumcinnamaldehyde sulfate, p-trimethylammoniumcinnamaldehyde o-methylsulfate, p-thiocyanocinnamaldehyde, p-(S-acetyl)thiocinnamaldehyde, p-(S—N,N dimethylcarbamoylthio)cinnamaldehyde, p-chlorocinnamaldehyde, 5-phenyl-2,4-pentadienal, 5-(p-methoxyphenyl)-2,4-pentadienal, 2,3-diphenylacrolein, 3,3-diphenylacrolein, α-methylcinnamaldehyde, β-methylcinnamaldehyde, α-chlorocinnamaldehyde, α-bromocinnamaldehyde, α-butylcinnamaldehyde, α-amylcinnamaldehyde, α-hexylcinnamaldehyde, 2-(p-methylbenzylidine)decanal, α-bromo-p-cyanocinnamaldehyde, α-ethyl-p-methylcinnamaldehyde, p-methyl-α-pentylcinnamaldehyde, 3,4-dimethoxy-α-methylcinnamaldehyde, α-[(4-methylphenyl)methylene]benzeneacetaldehyde, α-(hydroxymethylene)-4-methylbenzylacetaldehyde, 4-chloro-α-(hydroxymethylene)benzeneacetaldehyde, α-nonylidenebenzeneacetaldehyde, 3,7-dimethyl-2,6-octadienal, cinnamaloxime, cinnamonitrile, and beta-hydroxy aldehydes which dehydrate to form alpha,beta-unsaturated aldehydes under acidic conditions, glyoxylic acid, glyoxal, and combinations thereof. 4. The composition of claim 1 , wherein the at least one amide comprises at least one amide selected from the group consisting of acetamide, N-methylacetamide, trichloroacetamide, N-methyltrichloroacetamide, propanamide, N-methylpropanamide, butanamide, N-methylbutanamide, pentanamide, N-methylpentanamide, hexanamide, N-methylhexanamide, benzamide, N-methylbenzamide, 1-naphthylamide, N-methyl-1-naphthylamide, 2-naphthylamide, N-methyl-2-naphthylamide, o-toluamide, N-methyl-o-toluamide, m-toluamide, N-methyl-m-toluamide, p-toluamide, N-methyl-ptoluamide, thiobenzamide, 4-pyridinethioamide, ethionamide, pyrazine-2-thiocarboxamide, nicotinamide, stearamide, 2,2-diethoxyacetamide and lauric acid amide, amides derived from primary or secondary amines, and combinations thereof. 5. The composition of claim 4 , wherein said primary or secondary amine is selected from the group consisting of ethanolamine, diethanolamine, partially ethoxylated dehydroabietylamine, ethylamine, diethylamine, dehydroabietylamine, propylamine, dipropylamine, propanolamine, isopropanolamine, 2-propanol-1-amine, diisopropanolamine, butylamine, dibutylamine, tert-butylamine, pentylamine, dipentylamine, tert-benzyl-tert-butylamine, 3,4-diaminofuran, 2,4-diamino-6-phenyl-1,3,5-triazine, 2,4-diamino-6-methyl-1,3,5-triazine, 2,4 diamino-6,-hydroxy-1,3, 5-triazine, 2,4-diamino-6-chloro-1,3,5-triazine, 2,5-diaminotoluene, 2,6-diamino pyridine, 2,6 diaminotoluene, 2,4-diaminotoluene, m-phenylenediamine, p-phenylenediamine, 4-methyl-m-phenylenediamine, 2,5 diaminotoluene sulfate, 2-methyl-1,3-benzenediamine, 5-chloro-1,3-phenylenediamine, 2,4,6-trimethyl-1,3-benzenediamine, 3,5-diaminobenzoic acid, 3-nitro-1,2-benzenediamine, 2-nitro-1,2-benzenediamine, 1,3-benzenediamine, 4-nitro-1,2-benzenediamine, 3-nitro-1,3-phenylenediamine, 2′,4′-diaminoacetanilide, N-(3-aminophenyl)butanamide, 2,4-diaminobenZenesulfonic acid, 4-ethoxy-1,3-phenylenediamine 2HCl, 2,4-bis(butylamino)-3-oxo-1-cyclobutenylium-1-olate, 2,4-bis(3-benzamidopropylamino) 3-oxo-1-cyclobutenylium-1-olate, 4-imino-5-methyl-2 nitramino-4H-imidazole, 2,5-diacetamido-1,3,4-thiadiazole, 5-amino-1,3,3-trimethylcyclohexanemethylamine and combinations thereof. 6. The composition of claim 1 , wherein the quaternary nitrogen containing compound comprises quaternized amino or amide containing compounds of molecular weight less than 1500 g/mol. 7. The composition of claim 1 , wherein the product of the reaction between at least one aldehyde and at least one amide comprises a compound with at least one the following structures: where R is H, methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, diethylamino groups, N-alkyl, N-cycloalkyl and N-alkylarylpyridinium halides, N-cyclohexylpyridinium bromide or chloride, N-alkyl, N-cycloalkyl, N-alkylarylquinolinium halides, N-dodecylquinolinium bromide or chloride, and combinations thereof. 8. The composition of claim 1 , wherein the aqueous acid solution further comprises at least one of formic acid, acetic acid, citric acid, glycolic acid, hydroxyacetic acid, lactic acid, maleic acid, hydrofluoric acid, 3-hydroxypropionic acid, carbonic acid, glutamic acid N,N-diacetic acid or a salt thereof (GLDA), hydroxyimino disuccinic acid (HIDS) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), β-alanine diacetic acid, ethylenediaminedisuccinic acid, iminodisuccinic acid, N-tris[(1,2-dicarboxyethoxy)ethyl]amine, N-bis[2-(carboxymethoxy)ethyl]glycine, N-bis[2-(1,2-dicarboxyethoxy)ethyl]glycine, N-bis[2-(1,2-dicarboxyethoxy)ethyl]aspartic acid, N-bis[2-(methylcarboxymethoxy)ethyl]glycine, N-bis[2-(1,2-dicarboxyethoxy)ethyl]methylglycine, any salt thereof, any derivative thereof, and any combination thereof. 9. The composition of claim 1 , further comprising at least one of potassium iodide, sodium iodide, and combinations thereof. 10. The composition of claim 1 , further comprising at least one of ethylene glycol, diethylene glycol, propylene glycol, surfactants, and combinations thereof. 11. The composition of claim 10 , wherein the surfactants are selected from the group consisting of linear alcohol ethoxylates, amine alcohol ethoxylates, ethoxylated amides, ethoxylated alkyl amines, alkylphenol, alkyoxylated fatty acids, and combinations thereof.

Assignees

Inventors

Classifications

  • Anticorrosion additives · CPC title

  • Liquid materials · CPC title

  • C23F11/04Primary

    in markedly acid liquids · CPC title

  • combined with additives added for specific purposes · CPC title

  • Compositions for in situ inhibition of corrosion in boreholes or wells · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11066749B2 cover?
A method of treating in a subterranean formation including placing a corrosion inhibitor composition into a subterranean formation, where the formation includes an acidic environment having a pH of about 5 or below, where the composition includes: an organic solvent comprising an alcohol with a flash point of at least about 75° C.; a nitrogen containing compound; an aqueous acid solution compri…
Who is the assignee on this patent?
Halliburton Energy Services Inc
What technology area does this patent fall under?
Primary CPC classification C23F11/04. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jul 20 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).