Title: Carbon dioxide and polymer compositions for permeability control and sealing

Abstract

A method of treating a material to achieve at least one of reducing surface wettability of the material or reducing fluid transport through the material includes exposing the material to a composition including a solution of a polymer portion and carbon dioxide for a period of time. The polymer portion includes at least one of a polyfluoroacrylate or a copolymer of a fluoroacrylate and a comonomer. A pressure of the composition is maintained above the cloud point of the polymer portion at a concentration thereof in the carbon dioxide for the period of time.

Inventors:

Enick, Robert M.

Issue Date:

2020-12-29

Research Org.:

Univ. of Pittsburgh, PA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1771761

Patent Number(s):

10876041

Application Number:

16/382,959

Assignee:

University of Pittsburgh—Of the Commonwealth System of Higher Education (Pittsburgh, PA)

Patent Classifications (CPCs):

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

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C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

C08F220/24 - containing perhaloalkyl radicals

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

C04B41/4842 - {Fluorine-containing polymers}

C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

C09K8/588 - characterised by the use of specific polymers {
C09K8/594 - Compositions used in combination with injected gas {, e.g. CO2 orcarbonated gas}

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

C04B28/02 - containing hydraulic cements other than calcium sulfates
C04B41/009 - {characterised by the material treated}
C04B41/63 - Macromolecular compounds

C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

C09K8/487 - Fluid loss control additives

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

C08F120/24 - containing perhaloalkyl radicals

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DOE Contract Number:  

FE0010799

Resource Type:

Patent

Resource Relation:

Patent File Date: 04/12/2019

Country of Publication:

United States

Language:

English