Patents by Inventor David N. Harry

David N. Harry 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).

  • Publication number: 20150094239
    Abstract: A method of forming a fracturing fluid including mixing produced water or boron-containing oilfield water having an in-situ boron concentration greater than about 20 mg/L at the time of mixing with a hydratable boron crosslinkable polymer to form a fracturing fluid.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 2, 2015
    Applicant: Rockwater Energy Solutions
    Inventors: David N. Harry, Fati Malekahmadi, Christopher Gallagher
  • Publication number: 20130244913
    Abstract: An environmentally acceptable water-in-oil microemulsion composition includes at least one emulsifying surfactant, at least one biodegradable hydrocarbon solvent, at least one co-solvent, at least one hydrocarbon co-surfactant, and water. The microemulsion composition may be used in a method for rendering fluids from oil external to water external. The microemulsion composition may be combined with water or a water based fluid to produce a spacer fluid utilized in removing oil and oil-residues from a surface, particularly that of wellbores in the drilling of oil and gas wells.
    Type: Application
    Filed: March 13, 2012
    Publication date: September 19, 2013
    Inventors: L. Jack Maberry, Fati Malekahmadi, David N. Harry
  • Patent number: 7879771
    Abstract: A non-aqueous, non-flammable Group IVB metal alkoxide crosslinker composition includes a non-aqueous, non-flammable Group IVB metal alkoxide, wherein the metal is chemically bonded to a glycol containing 4 or more carbons, to an alkoxy group containing 6 or more carbons, or a mixture of both. A fracturing fluid employed in the hydraulic fracturing of subterranean formations is formulated through mixture of the non-aqueous, non-flammable Group IVB metal alkoxide crosslinker composition with a polymer solution.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: February 1, 2011
    Assignee: Benchmark Performance Group, Inc.
    Inventors: Derek E. Vaughn, Robert H. Duncan, David N. Harry, Dennis A. Williams
  • Publication number: 20090288828
    Abstract: A non-aqueous, non-flammable Group IVB metal alkoxide crosslinker composition includes a non-aqueous, non-flammable Group IVB metal alkoxide, wherein the metal is chemically bonded to a glycol containing 4 or more carbons, to an alkoxy group containing 6 or more carbons, or a mixture of both. A fracturing fluid employed in the hydraulic fracturing of subterranean formations is formulated through mixture of the non-aqueous, non-flammable Group IVB metal alkoxide crosslinker composition with a polymer solution.
    Type: Application
    Filed: May 20, 2008
    Publication date: November 26, 2009
    Inventors: Derek E. Vaughn, Robert H. Duncan, David N. Harry, Dennis A. Williams
  • Patent number: 5565513
    Abstract: A stable, non-aqueous liquid suspension of delayed boron cross-linkers comprises an anhydrous boron compound or a sparingly soluble borate suspended in a mixture of mineral spirits (commonly termed as naphtha) and a resin. Anhydrous boron compounds suitable for suspension include, but are not limited to, anhydrous borax, anhydrous boric acid, or a mixture of both the anhydrous borax and anhydrous boric acid. Sparingly soluble borates suitable for suspension include, but are not limited to, alkaline earth metal borates, alkali metal borates, or a mixture thereof. The mixture between the mineral spirits and resin produces a mineral spirits-resin solution. Alternatively, the mineral spirits may be replaced with a suitable oil which forms an oil-resin solution when mixed with the resin. The oil-resin solution suspends the anhydrous boron compound or the sparingly soluble borate to produce a stable, non-aqueous liquid suspension of delayed boron cross-linkers.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: October 15, 1996
    Assignee: Benchmark Research & Technology, Inc.
    Inventors: E. Wayne Kinsey, III, Sharif Sharif, David N. Harry
  • Patent number: 5520250
    Abstract: The present invention relates to resin coated particulates, the process of forming the particulates, and the particulates' utilization in petroleum well completions. More particularly, the present invention comprises the resin coated particulates and the process whereby the high strength particulate substrates are coated with a heat curable resin which is reacted with a formaldehyde source-metal compound (FS-MC) complex. The resultant resin coated particulates are less reactive or interactive with the fluids employed to convey those particulates during petroleum well completion operations.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: May 28, 1996
    Assignee: Technisand, Inc.
    Inventors: David N. Harry, Sharif Sharif
  • Patent number: 5488083
    Abstract: A method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation includes the step of adjusting the pH of the guar or derivatized guar polymer solution to between about 8.5 and 12.5. After adjusting the pH, an anhydrous boron compound or a sparingly soluble borate suspended in a mineral spirits-resin solution or an oil-resin solution is added to the guar or derivatized guar polymer solution. The guar or derivatized guar polymer solution and the anhydrous boron compound or the sparingly soluble borate solution suspended in the mineral spirits-resin solution or the oil-resin solution is then pumped into a subterranean formation under sufficient pressure to cause a fracture in the formation rock.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: January 30, 1996
    Assignee: Benchmark Research and Technology, Inc.
    Inventors: E. Wayne Kinsey, III, Sharif Sharif, David N. Harry
  • Patent number: 5425994
    Abstract: The present invention relates to resin coated particulates, the process of forming the particulates, and the particulates' utilization in petroleum well completions. More particularly, the present invention comprises the resin coated particulates and the process whereby the high strength particulate substrates are coated with a heat curable resin which is reacted with a formaldehyde source-metal compound (FS-MC) complex. The resultant resin coated particulates are less reactive or interactive with the fluids employed to convey those particulates during petroleum well completion operations.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: June 20, 1995
    Assignee: Technisand, Inc.
    Inventors: David N. Harry, Sharif Sharif
  • Patent number: 5316792
    Abstract: The present invention relates to resin coated particulates, the process of forming the particulates, and the particulates, utilization in petroleum well completions. More particularly, the present invention comprises the resin coated particulates and the process whereby the high strength particulate substrates are coated with a heat curable resin which is reacted with a formaldehyde source-metal compound (FS-MC) complex. The resultant resin coated particulates are less reactive or interactive with the fluids employed to convey those particulates during petroleum well completion operations.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: May 31, 1994
    Assignee: Benchmark Research and Technology, Inc.
    Inventors: David N. Harry, Sharif Sharif
  • Patent number: 5311946
    Abstract: The present invention relates to resin coated particulates, the process of forming the particulates, and the particulates' utilization in petroleum well completions. More particularly, the present invention comprises the resin coated particulates and the process whereby the high strength particulate substrates are coated with a heat curable resin which is reacted with a formaldehyde source-metal compound (FS-MC) complex. The resultant resin coated particulates are less reactive or interactive with the fluids employed to convey those particulates during petroleum well completion operations.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: May 17, 1994
    Assignee: Benchmark Research and Technology, Inc.
    Inventors: David N. Harry, Sharif Sharif