Patents by Inventor Wayne R. Dreher
Wayne R. Dreher 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).
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Publication number: 20230375143Abstract: The process begins by obtaining a first batch of monomers selected from a group of acrylates with a molecular weight equal to or less than butyl acrylate and/or methacrylate with a molecular weight equal to or less than butyl methacrylate. A second batch of monomers is then selected from a group of acrylates with a molecular weight greater than butyl acrylate and/or methacrylate with a molecular weight greater than butyl methacrylate. A mixture is then prepared by mixing the first batch of monomers and the second batch of monomers, wherein the second batch of monomers are greater than 50% by weight of the mixture. Finally, the mixture is polymerized to produce a drag reducing polymer. The drag reducing polymer is capable of imparting drag reducing properties in liquid hydrocarbons.Type: ApplicationFiled: February 13, 2023Publication date: November 23, 2023Inventors: Zhiyi BAO, Stuart N. MILLIGAN, Michael OLECHNOWICZ, Ray L. JOHNSTON, Timothy L. BURDEN, Kenneth W. SMITH, William F. HARRIS, Wayne R. DREHER, JR.
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Publication number: 20220099255Abstract: The process begins by obtaining a first batch of monomers selected from a group of acrylates with a molecular weight equal to or less than butyl acrylate and/or methacrylate with a molecular weight equal to or less than butyl methacrylate. A second batch of monomers is then selected from a group of acrylates with a molecular weight greater than butyl acrylate and/or methacrylate with a molecular weight greater than butyl methacrylate. A mixture is then prepared by mixing the first batch of monomers and the second batch of monomers, wherein the second batch of monomers are greater than 50% by weight of the mixture. Finally, the mixture is polymerized to produce a drag reducing polymer. The drag reducing polymer is capable of imparting drag reducing properties in liquid hydrocarbons.Type: ApplicationFiled: September 15, 2021Publication date: March 31, 2022Inventors: Zhiyi BAO, Stuart N. MILLIGAN, Michael OLECHNOWICZ, Ray L. JOHNSTON, Timothy L. BURDEN, Kenneth W. SMITH, William F. HARRIS, Wayne R. DREHER, JR.
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Publication number: 20210261707Abstract: A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.Type: ApplicationFiled: May 13, 2021Publication date: August 26, 2021Inventors: Wayne R. DREHER, JR., Kenneth W. SMITH, Stuart N. MILLIGAN, Timothy L. BURDEN, William F. HARRIS, Ray L. JOHNSTON, Wolfgang KLESSE, Gerold SCHMITT, John WEY
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Patent number: 11028210Abstract: A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.Type: GrantFiled: July 15, 2016Date of Patent: June 8, 2021Assignee: LIQUIDPOWER SPECIALTY PRODUCTS INC.Inventors: Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston, Wolfgang Klesse, Gerold Schmitt, John Wey
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Publication number: 20200284398Abstract: The process begins by obtaining a first batch of monomers selected from a group of acrylates with a molecular weight equal to or less than butyl acrylate and/or methacrylate with a molecular weight equal to or less than butyl methacrylate. A second batch of monomers is then selected from a group of acrylates with a molecular weight greater than butyl acrylate and/or methacrylate with a molecular weight greater than butyl methacrylate. A mixture is then prepared by mixing the first batch of monomers and the second batch of monomers, wherein the second batch of monomers are greater than 50% by weight of the mixture. Finally, the mixture is polymerized to produce a drag reducing polymer. The drag reducing polymer is capable of imparting drag reducing properties in liquid hydrocarbons.Type: ApplicationFiled: February 11, 2020Publication date: September 10, 2020Inventors: Zhiyi BAO, Stuart N. MILLIGAN, Michael OLECHNOWICZ, Ray L. JOHNSTON, Timothy L. BURDEN, Kenneth W. SMITH, William F. HARRIS, Wayne R. DREHER, JR.
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Publication number: 20190242529Abstract: The process begins by obtaining a first batch of monomers selected from a group of acrylates with a molecular, weight equal to or less than butyl acrylate and/or methacrylate with a molecular weight equal to or less than butyl methacrylate. A second batch of monomers is then selected from a group of acrylates with a molecular weight greater than butyl acrylate and/or methacrylate with a molecular weight greater than butyl methacrylate. A mixture is then prepared by mixing the first batch of monomers and the second batch of monomers, wherein the second batch of monomers are greater than 50% by weight of the mixture. Finally, the mixture is polymerized to produce a drag reducing polymer. The drag reducing polymer is capable of imparting drag reducing properties in liquid hydrocarbons.Type: ApplicationFiled: December 28, 2018Publication date: August 8, 2019Inventors: Zhiyi BAO, Stuart N. MILLIGAN, Michael OLECHNOWICZ, Ray L. JOHNSTON, Timothy L. BURDEN, Kenneth W. SMITH, William F. HARRIS, Wayne R. DREHER
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Patent number: 10370502Abstract: A drag reducing composition comprising at least one non-polyalphaolefin polymer having an average particle size in the range of from about 5 to about 800 micrometers. The non-polyalphaolefin polymer can initially be formed via emulsion polymerization. The initial polymer particles can then be at least partially consolidated and then reduced in size and suspended in a carrier fluid. The resulting drag reducing composition can be added to a hydrocarbon-containing fluid to decrease the pressure drop associated with the turbulent flow of the hydrocarbon-containing fluid through a conduit.Type: GrantFiled: October 9, 2017Date of Patent: August 6, 2019Assignee: LIQUIDPOWER SPECIALTY PRODUCTS INC.Inventors: Timothy L. Burden, Ray L. Johnston, William F. Harris, Kenneth W. Smith, Wayne R. Dreher, Stuart N. Milligan
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Publication number: 20180156390Abstract: The process begins by obtaining a first batch of monomers selected from a group of acrylates with a molecular weight equal to or less than butyl acrylate and/or methacrylate with a molecular weight equal to or less than butyl methacrylate. A second batch of monomers is then selected from a group of acrylates with a molecular weight greater than butyl acrylate and/or methacrylate with a molecular weight greater than butyl methacrylate. A mixture is then prepared by mixing the first batch of monomers and the second batch of monomers, wherein the second batch of monomers are greater than 50% by weight of the mixture. Finally, the mixture is polymerized to produce a drag reducing polymer. The drag reducing polymer is capable of imparting drag reducing properties in liquid hydrocarbons.Type: ApplicationFiled: October 9, 2017Publication date: June 7, 2018Inventors: ZHIYI BAO, STUART N. MILLIGAN, MICHAEL OLECHNOWICZ, Ray L. Johnston, Timothy L. Burden, Kenneth W. Smith, William F. Harris, Wayne R. Dreher
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Publication number: 20180118893Abstract: A drag reducing composition comprising at least one non-polyalphaolefin polymer having an average particle size in the range of from about 5 to about 800 micrometers. The non-polyalphaolefin polymer can initially be formed via emulsion polymerization. The initial polymer particles can then be at least partially consolidated and then reduced in size and suspended in a carrier fluid. The resulting drag reducing composition can be added to a hydrocarbon-containing fluid to decrease the pressure drop associated with the turbulent flow of the hydrocarbon-containing fluid through a conduit.Type: ApplicationFiled: October 9, 2017Publication date: May 3, 2018Inventors: Timothy L. BURDEN, Ray L. JOHNSTON, William F. HARRIS, Kenneth W. SMITH, Wayne R. DREHER, JR., Stuart N. MILLIGAN
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Patent number: 9783644Abstract: A drag reducing composition comprising at least one non-polyalphaolefin polymer having an average particle size in the range of from about 5 to about 800 micrometers. The non-polyalphaolefin polymer can initially be formed via emulsion polymerization. The initial polymer particles can then be at least partially consolidated and then reduced in size and suspended in a carrier fluid. The resulting drag reducing composition can be added to a hydrocarbon-containing fluid to decrease the pressure drop associated with the turbulent flow of the hydrocarbon-containing fluid through a conduit.Type: GrantFiled: October 13, 2010Date of Patent: October 10, 2017Assignee: LIQUIDPOWER SPECIALTY POWER SPECIALTY PRODUCTS, INC.Inventors: Timothy L. Burden, Ray L. Johnston, William F. Harris, Kenneth W. Smith, Wayne R. Dreher, Jr., Stuart N. Milligan
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Patent number: 9784414Abstract: A process for preparing a drag reducing polymer which is to be added to a liquid hydrocarbon. The liquid hydrocarbon has an asphaltene content of at least about 3 weight percent and an API gravity of less than about 26°. The drag reducing polymer can comprise the residues of a monomer having at least one heteroatom. Treatment of the liquid hydrocarbon with the drag reducing polymer allows a reduction in pressure drop associated with turbulent flow of the liquid hydrocarbon through a conduit.Type: GrantFiled: August 12, 2011Date of Patent: October 10, 2017Assignee: LIQUIDPOWER SPECIALTY PRODUCTS, INC.Inventors: Zhiyi Bao, Stuart N. Milligan, Michael Olechnowicz, Ray L. Johnston, Timothy L. Burden, Kenneth W. Smith, William F. Harris, Wayne R. Dreher
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Publication number: 20160326294Abstract: A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.Type: ApplicationFiled: July 15, 2016Publication date: November 10, 2016Inventors: Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston, Wolfgang Klesse, Gerold Schmitt, John Wey
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Publication number: 20160305613Abstract: A composition in a pipeline includes a liquid hydrocarbon having an asphaltene content of at least about 3 weight percent and an API gravity of less than about 26° and a drag reducing polymer is disclosed. The drag reducing polymer can comprise the residues of a monomer having at least one heteroatom. The drag reducing polymer allows a reduction in pressure drop associated with turbulent flow of the liquid hydrocarbon through a conduit.Type: ApplicationFiled: May 6, 2016Publication date: October 20, 2016Inventors: Stuart N. Milligan, Zhiyi Bao, Michael Olechnowicz, Timothy L. Burden, Wayne R. Dreher, JR., Kenneth W. Smith, Ray L. Johnston, William F. Harris
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Patent number: 8960286Abstract: A method of producing heavy oil by first injecting water and sulfur hexafluoride molecules into a region. The method then introduces electromagnetic waves such as microwaves and/or radio frequencies into the region at a frequency sufficient to excite the water and the sulfur hexafluoride molecules and increase the temperature of at least a portion of the water and sulfur hexafluoride molecules within the region to produce heated water and sulfur hexafluoride molecules. At least a portion of the heavy oil is heated in the region by contact with the heated water and sulfur hexafluoride molecules to produce heated heavy oil. The heated heavy oil is then produced.Type: GrantFiled: September 15, 2011Date of Patent: February 24, 2015Assignees: ConocoPhilips Company, Harris CorporationInventors: Dwijen K. Banerjee, Tawfik N. Nasr, Wayne R. Dreher, Jr., Francis E. Parsche, Mark A. Trautman, Victor Hernandez
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Patent number: 8936090Abstract: A method is described for accelerating start-up for SAGD-type operation by providing radio frequency heating devices inside the lateral wells that can re-heat the injected steam after losing heat energy during the initial injection. The method also extends the lateral wells such that the drilling of vertical wells can be reduced to save capital expenses.Type: GrantFiled: September 14, 2011Date of Patent: January 20, 2015Assignees: ConocoPhillips Company, Harris CorporationInventors: Daniel R. Sultenfuss, Wayne R. Dreher, Jr., Thomas J. Wheeler, Francis E. Parsche, Mark A. Trautman
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Patent number: 8689865Abstract: A process for utilizing microwaves to heat H2O within a subterranean region wherein the heated H2O contacts heavy oil in the subterranean region to lower the viscosity of the heavy oil and improve production of the heavy oil.Type: GrantFiled: June 7, 2011Date of Patent: April 8, 2014Assignee: ConocoPhillips CompanyInventors: Dwijen K. Banerjee, John L. Stalder, Daniel R. Sultenfuss, Wendell P. Menard, Wayne R. Dreher, Jr., Curtis G. Blount
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Patent number: 8534350Abstract: A method of producing heavy oil from a heavy oil formation with steam assisted gravity drainage. The method begins by drilling a borehole into a heavy oil formation comprising a steam barrier between a first pay zone and a second pay zone, wherein the steam barrier prevents a steam chamber to be formed between the first pay zone and the second pay zone. The steam barrier is then heated with a radio frequency. The steam barrier is then fractured to permit a steam chamber to be formed within the first pay zone and the second pay zone. Heavy oil is then produced from the heavy oil formation with steam assisted gravity drainage.Type: GrantFiled: September 13, 2011Date of Patent: September 17, 2013Assignees: ConocoPhillips Company, Harris CorporationInventors: Daniel R. Sultenfuss, Wendell Menard, Wayne R. Dreher, Jr., Curtis G. Blount, Francis E. Parsche, Mark A. Trautman
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Patent number: 8450251Abstract: A system for reducing pressure drop associated with the turbulent flow of asphaltenic crude oil through a conduit. The crude oil has a high asphaltene content and/or a low API gravity. Such reduction in pressure drop is achieved by treating the asphaltenic crude oil with a high molecular weight drag reducing polymer that can have a solubility parameter within about 20 percent of the solubility parameter of the heavy crude oil. The drag reducing polymer can also comprise the residues of monomers having at least one heteroatom.Type: GrantFiled: August 11, 2011Date of Patent: May 28, 2013Assignee: Phillips 66 CompanyInventors: Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, Kenneth W. Smith, William F. Harris
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Patent number: 8450249Abstract: A method of introducing a drag reducing polymer into a pipeline such that the friction loss associated with the turbulent flow though the pipeline is reduced by suppressing the growth of turbulent eddies. The drag reducing polymer is introduced into a liquid hydrocarbon having an asphaltene content of at least 3 weight percent and an API gravity of less than about 26° to thereby produce a treated liquid hydrocarbon. The treated liquid hydrocarbon does not have a viscosity less than the viscosity of the liquid hydrocarbon prior to treatment with the drag reducing polymer. Additionally, the drag reducing polymer is added to the liquid hydrocarbon in the range from about 0.1 to about 500 ppmw.Type: GrantFiled: August 11, 2011Date of Patent: May 28, 2013Assignee: Phillips 66 CompanyInventors: Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, Kenneth W. Smith, William F. Harris
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Patent number: 8450250Abstract: A method of preparing a drag reducing polymer wherein the drag reducing polymer is able to be injected into a pipeline, such that the friction loss associated with the turbulent flow through the pipeline is reduced by suppressing the growth of turbulent eddies. The drag reducing polymer is injected into a pipeline of liquid hydrocarbon hydrocarbon having an asphaltene content of at least 3 weight percent and an API gravity of less than about 26° to thereby produce a treated liquid hydrocarbon wherein the viscosity of the treated liquid hydrocarbon is not less than the viscosity of the liquid hydrocarbon prior to treatment with the drag reducing polymer. The drag reducing polymer has a solubility parameter within 4 MPa1/2 of the solubility parameter of the liquid hydrocarbon. The drag reducing polymer is also added to the liquid hydrocarbon in the range from about 0.1 to about 500 ppmw.Type: GrantFiled: August 11, 2011Date of Patent: May 28, 2013Assignee: Phillips 66 CompanyInventors: Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, Kenneth W. Smith, William F. Harris