Patents by Inventor Yong K. Wu

Yong K. Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9200148
    Abstract: There is provided a controlled degradation fiber and methods of making such controlled degradation fiber, wherein at least one first material and at least one second material are selected such that the fiber has a weight loss of greater than 6 wt. % and less than 60 wt. % based on the total weight of the fiber after one week at 130° C. in the presence of water.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: December 1, 2015
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yong K. Wu, Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20150329766
    Abstract: A method is disclosed that includes contacting a hydrocarbon-bearing formation with a treatment composition comprising solvent and a fluorinated polymer. The fluorinated polymer includes: a first divalent unit represented by formula (I): wherein Rf represents a fluoroalkyl group having from 1 to 8 carbon atoms; each R1 is independently hydrogen or methyl; Q is a bond or —SO2—N(R)—, wherein R is alkyl having from 1 to 4 carbon atoms; and m is an integer from 1 to 11, a second divalent unit comprising a poly(alkyleneoxy) group; and a third divalent unit comprising a pendant ionic group. The solvent includes not more than ten percent by weight methanol and not more than 25 percent by weight water, based on the total weight of the solvent, and/or the solvent solubilizes or displaces brine in the hydrocarbon-bearing formation. Treated hydrocarbon-bearing formations are also disclosed.
    Type: Application
    Filed: November 19, 2013
    Publication date: November 19, 2015
    Inventors: Rudolf J. Dams, Yong K. Wu, Wayne W. Fan
  • Publication number: 20150299506
    Abstract: A composition is disclosed that includes fluorinated polymer and a non-fluorinated polymer. The fluorinated polymer includes first divalent units independently represented by formula and second divalent unit independently comprising a pendent cationic, anionic, amphoteric, or amine-oxide group or a pendent poly(alkyleneoxy) segment. The non-fluorinated polymer is R2O-(EO)p—(R3O)q-(EO)p—R2 or R2O—(R3O)q-(EO)p—(R3O)q—R2. A method of making the composition and methods of reducing the surface tension of a liquid and a method of treating a hydrocarbon-bearing formation are also disclosed.
    Type: Application
    Filed: November 19, 2013
    Publication date: October 22, 2015
    Inventors: Wayne Wei-Qiang Fan, Dong-Wei Zhu, Rudolf J. Dams, Yong K. Wu
  • Publication number: 20150176158
    Abstract: Sized short alumina-based inorganic oxide fiber comprises, based on the total weight of the sized short alumina-based inorganic oxide fiber: from 0.1 to 15 percent by weight of a size resin comprising a polyamide; and from 85 to 99.9 percent by weight of short alumina-based inorganic oxide fiber. Methods of making the sized short alumina-based inorganic oxide fiber and compositions comprising the sized short alumina-based inorganic oxide fiber in a polymeric matrix are also disclosed.
    Type: Application
    Filed: August 9, 2013
    Publication date: June 25, 2015
    Inventors: Gregg D. Dahlke, Yong K. Wu, Michael D. Crandall, Ibrahim S. Gunes
  • Patent number: 9057012
    Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound. The fluoropolyether compound: is represented by formula Rf—[C(0)-NR1—X?—(Z)m]n; or comprises at least one first divalent unit represented by formula (I) and, at least one of, a second divalent unit comprising a pendant Z group; or a monovalent unit comprising a thioether linkage and at least one terminal Z group. Each Rf is independently a fluoropolyether group. Rf is a monovalent or divalent fluoropolyether group, and each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Hydrocarbon-bearing formations treated according to this method are also disclosed.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: June 16, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Jimmie R. Baran, Jr., Yong K. Wu
  • Patent number: 8833449
    Abstract: Method of treating a carbonate hydrocarbon-bearing formation. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amphoteric compound. Carbonate hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: September 16, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Steven J. Martin, Yong K. Wu
  • Patent number: 8813842
    Abstract: A plurality of solid particles including a thermoplastic composition having a softening temperature in a range from 50° C. to 180° C. and a blocked isocyanate resin; optionally at least some of the particles in the plurality of solid particles comprise both the thermoplastic composition and the blocked isocyanate resin. A composition comprising the plurality of particles dispersed in a fluid is also disclosed. A method of modifying a wellbore within a geological formation is also disclosed. The method includes introducing the fluid composition into the wellbore. A method of making a plurality of particles, for example, to use in the fluid composition, is also disclosed.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: August 26, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Michael D. Crandall, Ignatius A. Kadoma, Clara E. Mata, Yong K. Wu
  • Publication number: 20140138305
    Abstract: An article including multi-component fibers and particles is disclosed. The multi-component fibers include at least a first polymeric composition and a second polymeric composition, are adhered together, and are non-fusing at a temperature of at least 110° C. At least a portion of the external surfaces of the multi-component fibers includes the first polymeric composition. Particles are adhered or directly attached to the first polymeric composition on the external surfaces of at least some of the multi-component fibers along their lengths. The particles include at least one of activated carbon, superabsorbent polymer particles, and abrasive particles. In some embodiments, the particles are distributed throughout the thickness of a web of the multi-component fibers. A method of making the articles is also disclosed.
    Type: Application
    Filed: July 5, 2012
    Publication date: May 22, 2014
    Inventors: Michael D. Crandall, Ignatius A. Kadoma, Andrew J. Peterson, Bruce A. Sventek, Yong K. Wu
  • Publication number: 20140141676
    Abstract: An article comprising hollow ceramic microspheres and multi-component fibers is disclosed. The multi-component fibers are adhered together, and the hollow ceramic microspheres are adhered to external surfaces of the multi-component fibers. A method of making the article and use of the article for insulation are also disclosed.
    Type: Application
    Filed: July 5, 2012
    Publication date: May 22, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael D. Crandall, Ignatius A. Kadoma, Andrew J. Peterson, Yong K. Wu
  • Publication number: 20140014330
    Abstract: A method of treating a siliciclastic, hydrocarbon-bearing formation is disclosed. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amine oxide. Siliciclastic, hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Application
    Filed: January 13, 2012
    Publication date: January 16, 2014
    Inventors: Rudolf J. Dams, Yong K. Wu, Steven J. Martin, Douglas E. Johnson
  • Publication number: 20130338271
    Abstract: The present disclosure relates to a degradable material comprising (a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and (b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material, where the second material is an oligomer comprising lactate and giycolate. In another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a Tg less than 56° C. In still another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a tan delta peak of less than 65° C.
    Type: Application
    Filed: December 8, 2011
    Publication date: December 19, 2013
    Applicant: 3M Innovative Properties Company
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Jay M. Jennen, Sasha B. Myers
  • Patent number: 8596361
    Abstract: Compositions comprising a proppant core having an outer surface and polymeric microspheres attached to at least a portion of the outer surface are described. The compositions are useful, for example, to increase the productivity of a hydrocarbon oil or gas bearing well.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 3, 2013
    Assignees: 3M Innovative Properties Company, Schlumberger Technology Corporation
    Inventors: Dean Michael Willberg, James G. Carlson, Ignatius A. Kadoma, Yong K. Wu, Michael D. Crandall
  • Publication number: 20130310491
    Abstract: There is provided self-degrading fibers, and methods of making and methods of using such self-degrading fibers.
    Type: Application
    Filed: December 8, 2011
    Publication date: November 21, 2013
    Applicant: 3M 9NNOVATIVE PROPERTIES COMPANY
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Daniel J. Zillig, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130284518
    Abstract: A method of forming a subterranean well and a method of reducing lost circulation in a subterranean well while drilling the subterranean well are disclosed. The methods include using multi-component fibers as lost-circulation materials. The multi-component fibers having external surfaces and include at least a first polymeric composition and a second polymeric composition. At least a portion of the external surfaces of the multi-component fibers includes the first polymeric composition, which at least partially adhesively bonds the mud cake formed during the method.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 31, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yong K. Wu, Keith A. Rutkowski, Clara E. Mata, Ignatius A. Kadoma, Michael D. Crandall
  • Publication number: 20130274385
    Abstract: There is provided controlled degradation fibers, and methods of making such controlled degradation fibers.
    Type: Application
    Filed: December 8, 2011
    Publication date: October 17, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yong K. Wu, Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130269932
    Abstract: A method of treating a carbonate hydrocarbon-bearing formation is disclosed. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amine oxide. Carbonate hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Application
    Filed: December 20, 2011
    Publication date: October 17, 2013
    Inventors: Rudolf J. Dams, Yong K. Wu, Steven J. Martin
  • Patent number: 8353344
    Abstract: Fiber aggregate comprising organic polymeric fibers, wherein the organic polymeric fibers have an average length in a range from 2 to 20 millimeters, an average diameter up to 100 micrometer, and comprise at least 75 percent by solid volume of the fiber aggregate, wherein the fiber aggregate has an unrestrained bulk density of at least 0.05 g/cm3, and wherein at least 85% by volume of the fiber aggregate disassociates to provide dispersed fibers. The fiber aggregates are useful, for example, for flowback control in wellbores and reservoirs.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 15, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: James G. Carlson, Michael R. Berrigan, Michael D. Crandall, Ignatius A. Kadoma, Yong K. Wu
  • Patent number: 8281857
    Abstract: Fluid compositions and methods of making and using same are described, one composition comprising a well treatment fluid and an additive combined with the well treatment fluid, wherein the additive is selected from solids, liquids and combinations thereof, the additive having a surface shape, at least one property of the surface shape enabling it to change under influence of a controllable parameter after the composition is deployed into a hydraulic fracture or gravel pack. In methods of the disclosure, the additive exists initially in a first state, and then is changed to a second state. The first state may increase proppant flowback efficiency, while the second state may increase hydraulic conductivity. In certain embodiments, the additive may change back to its first state.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: October 9, 2012
    Assignees: 3M Innovative Properties Company, Schlumberger Technology Corporation
    Inventors: Dean Michael Willberg, James G. Carlson, Ignatius A. Kadoma, Yong K. Wu, Michael D. Crandall
  • Publication number: 20120097393
    Abstract: Method of treating a carbonate hydrocarbon-bearing formation. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amphoteric compound. Carbonate hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Application
    Filed: July 2, 2010
    Publication date: April 26, 2012
    Inventors: Rudolf J. Dams, Steven J. Martin, Yong K. Wu
  • Publication number: 20120055668
    Abstract: A method of treating a hydrocarbon-bearing formation that includes receiving data comprising a temperature and a brine composition of the hydrocarbon-bearing formation; selecting a treatment composition for the hydrocarbon-bearing formation comprising a fluorinated compound and solvent, wherein, at the temperature, a mixture of an amount of the brine composition and the treatment composition separates into at least two separate transparent liquid layers, and wherein the mixture is free of precipitated solid; and contacting the hydrocarbon-bearing formation with the treatment composition. Compositions containing certain fluorinated polymers and solvents containing water, monohydroxy alcohols, and ketones are also disclosed.
    Type: Application
    Filed: May 11, 2009
    Publication date: March 8, 2012
    Inventors: Yong K. Wu, Rudolf J. Dams, Steven J. Martin, Wayne W. Fan