GLUCAMIDE-CONTAINING COMPOUNDS FOR CORROSION INHIBITION
The present disclosure generally relates to corrosion inhibitor compositions and methods of using the compositions to inhibit corrosion. The corrosion inhibitor compositions include glucamide-containing compounds. The compositions can effectively inhibit corrosion of various metallic surfaces. The metallic surfaces may be found in a pipeline, a downhole tubular, a casing, a tank, a separator, a processing unit, and/or a filter, for example. The compositions may also include additional components, such as solvents, biocides, and scavengers.
1 . A method of inhibiting corrosion of a metal surface in contact with a medium, comprising:
adding an effective amount of a composition to the medium, wherein the composition comprises a glucamide-containing compound having a structure of Formula I, Formula II, an enantiomer thereof, and/or a diastereomer thereof,
wherein R 1 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide;
wherein R 2 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide;
wherein R 3 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide; and
wherein X is selected from chloride, bromide, iodide, sulphate, acetate, phosphate, or nitrate.
2 . The method of claim 1 , wherein the glucamide-containing compound is selected from the group consisting of cocoyl methyl glucamide, lauroyl methyl glucamide, myristoyl methyl glucamide, sunfloweroyl methyl glucamide, and any combination thereof.
3 . The method of claim 1 , further comprising adding to the medium a compound selected from the group consisting of 2-mercaptoethanol, an imidazoline compound, a pyridinium compound, a quaternary ammonium compound, a phosphate ester, an amine, an amide, a carboxylic acid, a thiol, and any combination thereof.
4 . The method of claim 1 , wherein the effective amount is from about 1 ppm to about 50,000 ppm.
5 . The method of claim 1 , wherein the medium comprises produced water, fresh water, cooling water, geothermal water, recycled water, condensed water, desalinated water, waste water, salt water, surface water, or any mixture thereof.
6 . The method of claim 1 , further comprising adding to the medium a component selected from the group consisting of a fouling control agent, an additional corrosion inhibitor, a biocide, a preservative, an acid, an anti-emulsifier, an iron chelating agent, a hydrogen sulfide scavenger, a surfactant, an asphaltene inhibitor, a paraffin inhibitor, a scale inhibitor, a gas hydrate inhibitor, a pH modifier, an emulsion breaker, a reverse emulsion breaker, a coagulant/flocculant agent, an emulsifier, a water clarifier, a dispersant, an antioxidant, a polymer degradation prevention agent, a permeability modifier, a foaming agent, an antifoaming agent, a CO 2 scavenger, an O 2 scavenger, a gelling agent, a lubricant, a friction reducing agent, a salt, and any combination thereof.
7 . The method of claim 6 , wherein the component is added before, after, and/or with the composition.
8 . The method of claim 1 , wherein the composition comprises a solvent.
9 . The method of claim 8 , wherein the solvent is selected from the group consisting of water, a C 1 -C 6 alkanol, a C 1 -C 6 alkoxyalkanol, an alcohol, a glycol ether, a hydrocarbon, a ketone, an ether, an aromatic, an alkylene glycol, an amide, a nitrile, a sulfoxide, an ester, and any combination thereof.
10 . The method of claim 1 , wherein the composition comprises from about 0.1 wt. % to about 100 wt. % of the glucamide-containing compound.
11 . The method of claim 1 , wherein the medium comprises from about 1 ppm to about 1,000 ppm of the glucamide-containing compound.
12 . The method of claim 1 , wherein a pipeline, a downhole tubular, a casing, a tank, a separator, a processing unit, and/or a filter comprises the metal surface.
13 . The method of claim 3 , wherein the composition consists of or consists essentially of the glucamide-containing compound, the compound, and optionally a solvent.
14 . The method of claim 6 , wherein the composition consists of or consists essentially of the glucamide-containing compound, the component, and optionally the compound and/or a solvent.
15 . The method of claim 1 , wherein the method excludes adding to the medium a sulfur-containing compound.
16 . The method of claim 15 , wherein the sulfur-containing compound is a thiol, a thioether, a thiosulfate, thioglycolic acid, a thiourea, or any combination thereof.
17 . The method of claim 1 , wherein the glucamide-containing compound and/or the composition is not encapsulated.
18 . A metal surface, comprising:
a glucamide-containing compound having a structure of Formula I, Formula II, an enantiomer thereof, and/or a diastereomer thereof,
wherein R 1 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide;
wherein R 2 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide;
wherein R 3 is selected from a saturated or unsaturated C 1 to C 50 alkyl group, a saturated or unsaturated C 1 to C 50 alkenyl group, a hydroxyl group, hydrogen, an amido group, a fatty amido group, a quaternary amine, an acid, a fatty alcohol, an ester, a heteroatom, a cyclic group, a non-cyclic group, an aromatic group, a non-aromatic group, a carbonyl group, ethylene oxide, propylene oxide, or butylene oxide; and
wherein X is selected from chloride, bromide, iodide, sulphate, acetate, phosphate, or nitrate.
19 . The metal surface of claim 18 , wherein the metal surface comprises stainless steel, carbon steel, iron, aluminum, zinc, chromium, manganese, nickel, tungsten, molybdenum, titanium, vanadium, cobalt, niobium, copper, boron, phosphorus, sulfur, silicon, oxygen, nitrogen, or any combination thereof.