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US 2026/0193512 A1Published application
Emulsions that include pyridinium-based compounds and uses thereof
AssigneeSaudi Arabian Oil Company
InventorsMuhammad Imran Ul-Haq, Mohammad Shoaib
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Abstract
Emulsions that include a pyridinium-based compound functionalized by including a heteroatom substituents containing at least one oxygen, nitrogen, or sulfur atoms are provided. Also provided are methods for extracting hydrocarbons in a downhole environment utilizing such emulsions. Also provided are methods for transporting hydrocarbons in a pipeline utilizing such emulsions. Also provided are methods for cleaning a tank housing hydrocarbons utilizing such emulsions.
Claims18
An emulsion comprising:
- an aqueous phase comprising an aqueous base fluid;
- a non-aqueous phase comprising hydrocarbons;
- and
- an emulsifier that is a pyridinium-based compound having the structure:
- or a salt thereof, wherein:
- X is —CH3, —OH, —NH2, or —SH;
- Y is —CH2—, —O—, —NR2—, or —S—, excluding where X is —CH3 and Y is —CH2—;
- R1 is a C1-C18 alkyl group, a C1-C18 hydroxyl alkyl group, a C1-C18 alkenyl group, a C1-C18 internal alkynyl group, a C1-C18 acryl group, a C1-C18 cycloalkyl group, or a C1-C18 functional alkyl group;
- and
- each of R2, RA, RB, RC, RD, and RE is chosen from hydrogen, a C1-C18 alkyl group, a C1-C18 hydroxyl alkyl group, a C1-C18 alkenyl group, a C1-C18 alkynyl group, a C1-C18 acryl group, a C1-C18 cycloalkyl group, or a C1-C18 functional alkyl group.
7 more elements
Dependencies are inferred from the claim text.