▎ 摘　　要

NOVELTY - Composition of matter comprises a dispersion of capsules in critical or supercritical carbon dioxide, and the capsules comprising an aqueous solution encapsulated by 2-dimensional particles. USE - Composition of matter for improved oil recovery. ADVANTAGE - The composition of matter effective for oil recovery due to its affinity for hydrocarbons and its ability to be readily used in its supercritical state in hydrocarbon-bearing formations, it suffers from a number of challenges in field use. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: 1. a method of making a dispersion of aqueous solution capsules, which involves providing a medium of critical or supercritical carbon dioxide, introducing the aqueous solution into the critical or supercritical carbon dioxide medium, and introducing a 2-dimensional particle into the critical or supercritical carbon dioxide medium; and 2. a method of treating a hydrocarbon-bearing formation, which involves introducing into the hydrocarbon-bearing formation a dispersion of aqueous solution capsules in a medium of critical or supercritical carbon dioxide, and the aqueous solution capsules comprising an aqueous solution encapsulated by 2-dimensional particles having a particle size in a range of from about 10-200 nanometer and a thickness of 1 nanometer or less, where the 2-dimensional particles are selected from the group consisting of graphene, or boron nitride.