Corrosion inhibition package
An inhibition corrosion package for use with an acidic composition, where the package comprises a terpene component; a propargyl alcohol or derivative thereof; at least one amphoteric surfactant; and a solvent. Also disclosed are acidic compositions combining the corrosion inhibition package according to a preferred embodiment of the present invention for use in various industrial operations including but not limited to oil and gas operations. Also disclosed are methods of use of such compositions.
1. A corrosion inhibition package for use with an aqueous acid composition, comprising:
2% to 25% by volume of a terpene selected from the group consisting of citral, ionone, ocimene, and cymene;
20% to 55% by volume of a propargyl alcohol or derivative thereof;
2% to 20% by volume of at least one amphoteric surfactant selected from the group consisting of a sultaine surfactant, a betaine surfactant, and combinations thereof;
an anionic surfactant selected from the group consisting of a carboxylic surfactant and a sulfonic surfactant; and
10% to 45% by volume of a solvent selected from the group consisting of isopropanol, methanol, ethanol, 2-butoxyethanol, diethylene glycol, Di-n-hexyl-ether, and combinations thereof.
2. The corrosion inhibition package as claimed in claim 1 , wherein the sultaine surfactant and betaine surfactant are selected from the group consisting of:
an amido betaine surfactant; an amido sultaine surfactant; and combinations thereof.
3. The corrosion inhibition package as claimed in claim 2 , wherein the amido betaine surfactant is an amido betaine comprising a hydrophobic tail from C8 to C16.
4. The corrosion inhibition package as claimed in claim 3 , wherein the amido betaine surfactant comprising a hydrophobic tail from C8 to C16 is cocamidobetaine.
5. The corrosion inhibition package as claimed in claim 1 , wherein the carboxylic surfactant is a dicarboxylic surfactant.
6. The corrosion inhibition package as claimed in claim 5 , wherein the dicarboxylic surfactant comprises a hydrophobic tail ranging from C8 to C16.
7. The corrosion inhibition package as claimed in claim 6 , wherein the dicarboxylic surfactant is sodium lauriminodipropionate.
8. The corrosion inhibition package as claimed in claim 1 , wherein the at least one amphoteric surfactant comprises cocamidopropyl betaine.
9. The corrosion inhibition package according to claim 1 , wherein the anionic surfactant comprises ß-Alanine, N-(2-carboxyethyl)-N-dodecyl-, sodium salt (1:1).
10. An aqueous liquid acidic composition comprising:
an acidic solution selected from the group consisting of: HCl, Lysine-HCl, Urea-HCl, MEA-HCl, DEA-HCl, hydrofluoric acid, sulfuric acid, phosphoric acid, and p-toluene sulfonic acid; and
a corrosion inhibition package comprising:
a terpene selected from the group consisting of citral, ionone, ocimene, and cymene, in an amount of 2% to 25% by volume of the corrosion package;
a propargyl alcohol or derivative thereof, in an amount of 20% to 55% by volume of the corrosion package;
an amphoteric surfactant selected from the group consisting of a sultaine surfactant, a betaine surfactant, and combinations thereof, in an amount of 2% to 20% by volume of the corrosion package; and
a solvent selected from the group consisting of isopropanol, methanol, ethanol, 2-butoxyethanol, diethylene glycol, Di-n-hexyl-ether, and combinations thereof, in an amount of 10% to 45% by volume of the corrosion package;
wherein the volume % of the corrosion package in the acidic composition ranges from 0.1 to 10%.
11. The composition according to claim 10 , further comprising 0.1% to 1.5% by weight or volume of an intensifier selected from the group consisting of a metal iodide, a metal iodate, and formic acid.