3m Innovative Properties Company

Michael S Terrazas

Rudolf J Dams

George G I Moore

Mark J Pellerite

Steven J Martin

Zai-Ming Qiu

Michael J Sierakowski

Klaus Hintzer

Tilman C Zipplies

Miguel Antonio Guerra

Harald Kaspar

Jimmie Rae Baran, Jr

Werner Schwertfeger

Kai Helmut Lochhaas

Andreas R Maurer

William M Lamanna

Cheryl L S Elsbernd

Wayne W Fan

Michael Juergens

Michael Jürgens

Forrest J Rouser

Mitchell T Johnson

Gregory D Clark

L Charles Hardy

Soonkun Kang

Jennifer E Waddell

Franceska M Fieuws

James L Sadlo

Larry A Lien

Scott G Norquist

Johan E De Witte

Bryan J Johnson

George Gi Moore

Linda G Cot&eacute;

Susan K Rowen

Jimmie R Baran

Jimmie Baran

George GI Moore

Method of treating a hydrocarbon-bearing formation having brine and treated hydrocarbon-bearing formations. The method includes contacting a hydrocarbon-bearing formation with a composition comprising solvent and a polymer. The polymer comprises divalent units represented by formula: (formula I); and a plurality of alkyleneoxy groups. In some embodiments, the solvent at least one of solubilizes or displaces the brine in the formation. In some embodiments, the solvent includes at least one of a polyol or polyol ether independently having from 2 to 25 carbon atoms and at least one of water, a monohydroxy alcohol, an ether, or a ketone, wherein the monohydroxy alcohol, the ether, and the ketone each independently have up to 4 carbon atoms. Hydrocarbon-bearing formations and proppants treated with the polymer are also disclosed.

Methods for treating hydrocarbon-bearing formations having brine

A method of treating a hydrocarbon-bearing formation and treated hydrocarbon-bearing formations. The method includes contacting the hydrocarbon-bearing formation with a composition having solvent and a fluorinated polymer. The fluorinated polymer has units having formula (I): A method for making a composition containing these units is also disclosed.

Methods for treating hydrocarbon-bearing formations with fluorinated polymer compositions

Compounds represented by formula (Rf-Q-X)&#x2014;Z. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rf-(O)&#x2014;CHF&#x2014;(CF)&#x2014;; [Rf-(O)C(L)H&#x2014;CF&#x2014;O]&#x2014;W&#x2014;; CFCFH&#x2014;O&#x2014;(CF)&#x2014;; CF&#x2014;(O&#x2014;CF)&#x2014;; and CF&#x2014;O&#x2014;(CF)&#x2014;O&#x2014;CF&#x2014;. Methods of reducing surface tension of a liquid, making foams, and treating a surface using the compounds are also disclosed.

Fluorinated ether compounds and methods of using the same

A composition including at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rf&#x2014;(O)&#x2014;CHF&#x2014;(CF)&#x2014;; [Rf&#x2014;(O)&#x2014;C(L)H&#x2014;CF&#x2014;O]&#x2014;W&#x2014;; RfO&#x2014;(CF); F(CF)&#x2014;(O&#x2014;CF2)&#x2014;O&#x2014;CF&#x2014;; and CF&#x2014;O&#x2014;(CF)&#x2014;(OCF(CF)&#x2014;CF)&#x2014;O-L-. Each Q is independently selected from the group consisting of a bond, &#x2014;C(O)&#x2014;N(R)&#x2014;, and &#x2014;C(O)&#x2014;O&#x2014;. Each X is independently selected from the group consisting of alkylene and arylalkylene, wherein alkylene and arylalkylene are each optionally interrupted by at least one ether linkage and optionally terminated by &#x2014;N(R)&#x2014;C(O)&#x2014; or &#x2014;O&#x2014;C(O)&#x2014;. R and Rare each independently selected from the group consisting of hydrogen and alkyl having from 1 to 4 carbon atoms. Rfrepresents a partially or fully fluorinated alkyl group having from 1 to 10 carbon atoms and optionally interrupted with at least one oxygen atom. Rfis selected from the group consisting of CFCFH&#x2014; and F(CF2)-. Methods of reducing surface tension of a liquid, making foams, and treating a surface using the compositions are also disclosed. 

Fluorinated ether compositions and methods of using the same

Aqueous compositions comprising surfactant represented by a formula selected from the group consisting of:[R&#x2014;(O)&#x2014;CHF&#x2014;(CF)&#x2014;COO]X;{[R&#x2014;(O)&#x2014;CQH&#x2014;CF&#x2014;O]&#x2014;R&#x2014;COO}X;{[R&#x2014;(O)&#x2014;CQH&#x2014;CF&#x2014;O]&#x2014;R&#x2014;SO}X; and[CFCFH&#x2014;O&#x2014;(CF)&#x2014;COO]X;wherein Rrepresents a partially or fully fluorinated aliphatic group optionally interrupted with at least one oxygen atom; Q is selected from the group consisting of F and CF; R is selected from the group consisting of alkylene and arylene; Xrepresents a cation having a valence i, wherein i is 1, 2 or 3; t is 0 or 1; m is 1, 2, or 3; n is 0 or 1; and p is an integer from 1 to 6. The aqueous composition comprises a non-fluorinated polymer and is essentially free of fluoropolymers. Methods of coating a surface and an article having a surface in contact with the composition are provided.

Aqueous compositions of fluorinated surfactants and methods of using the same

The invention relates to a dilutable, non-aqueous concentrate and an aqueous dilution used for aqueous delivery of fluorinated oligomeric silanes to a substrate, a method of treating a substrate with the aqueous dilution composition to render it oil and water repellent, and articles having coatings made from the aqueous dilution.

Compositions for aqueous delivery of fluorinated oligomeric silanes

Described are polymeric surfactants which include a fluorinated moiety and a non-fluorinated moiety where the fluorinated moiety contains two perfluoro-lower-alkyl sulfonamido segments in proximity to each other ; the surfactants provide more efficient and effective lowering of the surface tension of liquids and increase of wetting of a coating on a substrate surface.

Fluorochemical polymeric surfactants

Described are monomeric fluorochemical surfactants having two perfluoroalkyl sulfonamido segments and two hydrophilic group, which are more efficient and effective in lowering the surface tension of organic solvents and water compared to other C-based fluorochemical surfactants.

Compositions of fluorochemical surfactants

Described are perfluoro lower alkyl derived silanes having two perfluoroalkyl groups in close proximity to one another which in an organic solvent are useful in treating siliceous substrates; the compositions may optionally contain an additional non-fluorinated compound in a mixture or condensation product.

Compositions containing C4-swallow tail silanes

Electrolytic solutions containing organic additive(s) selected from a described class of additives (e.g., 4,6-dihydroxypyrimidine) reduce overall applied electrical potential of electrolytic cells and/or reduce gas formation at the anode(s) or increase copper production rate. Benefits include reducing overall power consumption and reducing acid mist during electrolytic processes.

Electrolytic processes with reduced cell voltage and gas formation

A gemini surfactant represented by the formula: wherein: each Rindependently represents perfluorobutyl or perfluoropropyl; each Rindependently represents alkyl having from 1 to 6 carbon atoms; Land Lrepresent alkylene having from 2 to 18 carbon atoms; each R represents alkyl having from 1 to 6 carbon atoms; Z represents an organic divalent linking group; and nXrepresents an anion or anions having a charge m, wherein m and n are independently 1 or 2, and wherein the product of n and m is 2. Aqueous compositions containing the gemini surfactant are also disclosed.

Fluorinated Gemini surfactants

Described are monomeric fluorosurfactants having two perfluoro-lower-alkyl sulfonamido segments which are more efficient and effective in lowering the surface tension of organic solvents and water compared to other C4-based fluorosurfactants.

Compositions of monomeric surfactants

The invention relates to compositions used for aqueous delivery of self-emulsifying fluorinated alkoxysilanes to substrates to provide oil and water resistive coatings for the substrates, a method of treating a substrate to render it oil and water repellent, and articles having coatings made from the compositions.

Compositions for aqueous delivery of self-emulsifying fluorinated alkoxysilanes

Compositions comprising fluorinated silanes and compressed fluid CO2

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Prescott, WI, United States of America

Michael S Terrazas