Fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same
Assignee3M Innovative Properties Company
InventorsGeorge G. I. Moore, Rudolf J. Dams, Jimmie R. Baran, Jr.
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Abstract
Fluorinated polymers having first divalent units represented by formula, and a plurality of groups of formula —CH2—CH2—O—. Compositions containing the fluorinated polymer and solvent, and methods of treating hydrocarbon-bearing formations using these compositions are disclosed. A method of making a composition containing the fluorinated polymer is also disclosed.
Claims20
A fluorinated polymer comprising:
- first divalent units represented by formula:
- and
- a plurality of groups of formula —CH2—CH2—O—,
- wherein
- each Rf independently represents a fluoroalkyl group having from 1 to 4 carbon atoms;
- each X is independently —N(R)SO2—, —N(R)CO—, —O—CpH2p—, or —S—CpH2p—;
- p is an integer from 0 to 6;
- and
- R is hydrogen or alkyl having 1 to 6 carbon atoms.
A composition comprising a fluorinated polymer and solvent, wherein the fluorinated polymer comprises:
- first divalent units represented by formula:
- and
- a plurality of groups of formula —CH2—CH2—O—,
- wherein
- each X is independently —N(R)SO2—, —N(R)CO—, —O—CpH2p—, or —S—CpH2p—;
- R is hydrogen or alkyl having 1 to 6 carbon atoms;
- p is an integer from 0 to 6;
- and
- each Rf1 independently represents a fluoroalkyl group having from 1 to 8 carbon atoms;
- and wherein the solvent comprises:
- at least one of a polyol or polyol ether, wherein the polyol and polyol ether independently have from 2 to 25 carbon atoms, and
- at least one monohydroxy alcohol, ether, or ketone, each independently having up to 4 carbon atoms.
A method of treating a hydrocarbon-bearing formation, the method comprising:
- contacting the hydrocarbon-bearing formation with a composition, the composition comprising solvent and a fluorinated polymer, the fluorinated polymer comprising:
- first divalent units represented by formula:
- and
- a plurality of groups of formula —CH2—CH2—O—,
- wherein
- each X1 is independently —N(R)SO2—, —N(R)CO—, —O—CpH2p—, —S—CpH2p—, Or —CqH2q—;
- R is hydrogen or alkyl having 1 to 6 carbon atoms;
- p is an integer from 0 to 6;
- q is an integer from 0 to 6;
- and
- each Rf1 independently represents a fluoroalkyl group having from 1 to 8 carbon atoms.
A hydrocarbon-bearing siliciclastic formation treated with a fluorinated polymer, wherein the fluorinated polymer comprises:
- first divalent units represented by formula:
- and
- a plurality of alkyleneoxy groups having from 2 to 4 carbon atoms,
- wherein
- each X1 is independently —N(R)SO2—, —N(R)CO—, —O—CpH2p—, —S—CpH2p—, or —CqH2q—;
- R is hydrogen or alkyl having 1 to 6 carbon atoms;
- p is an integer from 0 to 6;
- q is an integer from 0 to 6;
- and
- each Rf1 independently represents a perfluoroalkyl group having from 1 to 8 carbon atoms,
- and wherein the fluorinated polymer is adsorbed on the formation.
Dependencies are inferred from the claim text.