Alkyl lactone-derived corrosion inhibitors

Patent metadata

Field	Value
Publication number	US-11459498-B2
Application number	US-202117234601-A
Country	US
Kind code	B2
Filing date	Apr 19, 2021
Priority date	Jul 12, 2018
Publication date	Oct 4, 2022
Grant date	Oct 4, 2022

Abstract

Disclosed are alkyl lactone-derived hydroxyamide and alkyl lactone-derived hydroxyester used in compositions and methods for inhibiting corrosion. The alkyl lactone-derived hydroxyamide and alkyl lactone-derived hydroxyester are reaction products of an alkyl lactone and an amine, and an alkyl lactone and an alcohol, respectively.

First claim

What is claimed is:

1. A composition comprising
an alkyl lactone-derived hydroxyamide formed by a reaction between an alkyl lactone with N,N dimethylpropane-1,3-diamine,
wherein the alkyl lactone is selected from one or more of gamma-undecalactone, delta-undecalactone, and gamma-octalactone.

2. The composition of claim 1 , the composition comprising the alkyl lactone derived hydroxyamide selected from the group consisting of:
a compound having the structure

a compound having the structure

a compound having the structure

and any combination thereof.

3. The composition of claim 1 , wherein the composition further comprises one or more asphaltene inhibitors, paraffin inhibitors, scale inhibitors, emulsifiers, water clarifiers, dispersants, emulsion breakers, or any combination thereof.

4. The composition of claim 1 , wherein the composition comprising the alkyl lactone-derived hydroxyamide comprises a reduced toxicity compared to compositions not containing alkyl lactone derived hydroxyamide.

5. The composition of claim 1 , wherein the alkyl lactone derived hydroxyamide comprises a EC 5 o value with Daphnia magna greater than or equal to 10 mg/ml.

6. The composition of claim 1 , wherein the alkyl lactone derived hydroxyamide comprises a 48-hour EC 5 o value with Daphnia magna from about 10-100 mg/ml.

7. The composition of claim 1 , wherein the alkyl lactone derived hydroxyamide has an increased biodegradation compared to non-alkyl lactone-derived corrosion inhibitors.

8. The composition of claim 1 , the composition further comprising a fluid source, wherein the fluid source comprises a liquid hydrocarbon, gas, or a combination thereof.

9. The composition of claim 1 , wherein the alkyl lactone-derived hydroxyamide is acidified.

10. The composition of claim 1 , the composition further comprising produced water, the produced water comprising residual hydrocarbon products entrained therein and one or more of injectate, connate, brackish water, and sea water.

11. The composition of claim 1 , the composition further comprising an injectate.

12. The composition of claim 8 , wherein the fluid source comprises one or more of hydrogen sulfide, carbon dioxide, oxygen, sodium chloride, calcium chloride, and sulfur dioxide.

13. A composition comprising an alkyl lactone-derived hydroxyester to inhibit corrosion, the alkyl lactone-derived hydroxyester formed by a reaction between an alkyl lactone and an alcohol having the structure

14. The composition of claim 13 , wherein the composition further comprises one or more asphaltene inhibitors, paraffin inhibitors, scale inhibitors, emulsifiers, water clarifiers, dispersants, emulsion breakers, or any combination thereof.

15. The composition of claim 13 , wherein the composition comprising the alkyl lactone-derived hydroxyester comprises a reduced toxicity compared to compositions not containing alkyl lactone-derived hydroxyester.

16. The composition of claim 13 , wherein the alkyl lactone-derived hydroxyester comprises a EC 5 o value with Daphnia magna greater than or equal to 10 mg/ml.

17. The composition of claim 13 , wherein the alkyl lactone-derived hydroxyester comprises a 48-hour EC 5 o value with Daphnia magna from about 10-100 mg/ml.

18. The composition of claim 13 , wherein the alkyl lactone-derived hydroxyester has an increased biodegradation compared to non-alkyl lactone-derived corrosion inhibitors.

19. The composition of claim 13 , the composition further comprising a fluid source, wherein the fluid source comprises water, gas, liquid hydrocarbon, or any combination thereof.

20. The composition of claim 13 , wherein the alkyl lactone is gamma-undecalactone.

Assignees

• Championx Usa Inc

Inventors

• Moloney Jeremy
• Bartels Jeremy Wayne
• Servesko Jeffrey M

Classifications

• C07C235/10

  having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by nitrogen atoms not being part of nitro or nitroso groups · CPC title

• C09K2208/32

  Anticorrosion additives · CPC title

• C09K8/524

  organic depositions, e.g. paraffins or asphaltenes · CPC title

• C23F11/145

  Amides; N-substituted amides · CPC title

• C07C69/675

  of saturated hydroxy-carboxylic acids · CPC title