Patents by Inventor Eldon Dalrymple

Eldon Dalrymple 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: 20080045423
    Abstract: The invention provides for a composition for treating a subterranean formation, the composition comprising a water-swellable agent and a sealing agent. Preferably, the water-swellable agent: i) absorbs greater than 100 weight % of water; and ii) swells to greater than 100 weight % as it absorbs water. Preferably the sealing agent: i) is greater than 0.01 weight % soluble in water; and ii) forms a three dimensional gel structure in water. The invention also provides for a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of: a) introducing a sealing agent into the subterranean formation; and b) introducing a water-swellable agent into the subterranean formation.
    Type: Application
    Filed: October 29, 2007
    Publication date: February 21, 2008
    Inventors: Don Everett, Larry Eoff, Eldon Dalrymple
  • Publication number: 20070054811
    Abstract: Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comprising an aqueous fluid, a chitosan-based compound, a chitosan-reacting polymer, and a phenol source; introducing the crosslinkable-polymer composition into the portion of the subterranean formation; and allowing the crosslinkable-polymer composition to form a crosslinked gel in the portion of the subterranean formation.
    Type: Application
    Filed: November 3, 2006
    Publication date: March 8, 2007
    Inventors: B. Reddy, Julio Vasquez, Larry Eoff, Eldon Dalrymple
  • Publication number: 20070044961
    Abstract: Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comprising an aqueous fluid, a chitosan-based compound, a chitosan-reacting polymer, and a phenol source; introducing the crosslinkable-polymer composition into the portion of the subterranean formation; and allowing the crosslinkable-polymer composition to form a crosslinked gel in the portion of the subterranean formation.
    Type: Application
    Filed: November 3, 2006
    Publication date: March 1, 2007
    Inventors: B. Reddy, Julio Vasquez, Larry Eoff, Eldon Dalrymple
  • Publication number: 20070029087
    Abstract: Methods comprising introducing a relative permeability modifier fluid into at least a portion of a subterranean formation to form a treated portion of the subterranean formation; and introducing a consolidating agent into the treated portion of the subterranean formation so as to transform at least a section of the treated portion of the subterranean formation into a consolidated region. In some embodiments, the subterranean formation may have been previously hydraulically fracture-stimulated.
    Type: Application
    Filed: October 10, 2006
    Publication date: February 8, 2007
    Inventors: Philip Nguyen, Stephen Ingram, Leopoldo Sierra, Eldon Dalrymple, Larry Eoff
  • Publication number: 20070012445
    Abstract: Methods for stabilizing unconsolidated or weakly consolidated portions of a subterranean formation and controlling the production of water in those portions include introducing a consolidating agent into the subterranean formation so as to transform a portion of the subterranean formation surrounding the well bore into a consolidated region; and introducing a relative permeability modifier fluid into the subterranean formation so as to penetrate at least a portion of the consolidated region. Fracturing steps may be used to reconnect the well bore to portions of the formation (e.g., formation reservoirs) in certain embodiments. Optionally, preflush fluids, after-flush fluids, and shutting-in periods may be used as desired.
    Type: Application
    Filed: July 15, 2005
    Publication date: January 18, 2007
    Inventors: Philip Nguyen, Leopoldo Sierra, Eldon Dalrymple, Larry Eoff
  • Publication number: 20060293446
    Abstract: Crosslinkable polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.
    Type: Application
    Filed: June 28, 2005
    Publication date: December 28, 2006
    Inventors: B. Reddy, Larry Eoff, Eldon Dalrymple, Julio Vasquez
  • Publication number: 20060289158
    Abstract: Crosslinkable-polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable-polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.
    Type: Application
    Filed: June 28, 2005
    Publication date: December 28, 2006
    Inventors: B. Reddy, Larry Eoff, Eldon Dalrymple, Julio Vasquez
  • Publication number: 20060266522
    Abstract: Methods comprising providing a carrier fluid comprising an aqueous-based component, a water-soluble relative permeability modifier, and gravel particulates wherein the water-soluble relative permeability modifier suspends at least a portion of the gravel particulates; and introducing the carrier fluid into a well bore penetrating a subterranean formation, such that the gravel particulates form a gravel pack near the well bore. In some embodiments, the carrier fluid is substantially free of a viscosifying agent.
    Type: Application
    Filed: August 9, 2006
    Publication date: November 30, 2006
    Inventors: Larry Eoff, David Brown, Eldon Dalrymple, Paul Brown
  • Publication number: 20060260812
    Abstract: The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional group selected from the group consisting of carboxylic acid and carboxylic acid derivative. The invention also provides for a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of forming the treatment fluid and introducing the treatment fluid through the wellbore and into contact with the formation.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Larry Eoff, B. Reddy, Eldon Dalrymple, Julio Vasquez
  • Publication number: 20060240994
    Abstract: The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce the production of water from and stimulate hydrocarbon production in a subterranean formation. In certain embodiments, the methods of the present invention generally comprise the steps of providing a permeability-modifying aqueous treatment fluid comprising a relative permeability modifier and contacting a subterranean formation with the permeability-modifying aqueous treatment fluid. Optionally, the permeability-modifying aqueous treatment fluid may be injected in the subterranean formation at a pressure sufficient to create or enhance at least one fracture therein. In another embodiment, the relative permeability modifier may be provided by appropriate reaction in situ.
    Type: Application
    Filed: June 20, 2006
    Publication date: October 26, 2006
    Inventors: Larry Eoff, Eldon Dalrymple, B. Reddy
  • Publication number: 20060234874
    Abstract: The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce the production of water from and stimulate hydrocarbon production in a subterranean formation. In certain embodiments, the methods of the present invention generally comprise the steps of providing a permeability-modifying aqueous treatment fluid comprising a relative permeability modifier and contacting a subterranean formation with the permeability-modifying aqueous treatment fluid. Optionally, the permeability-modifying aqueous treatment fluid may be injected in the subterranean formation at a pressure sufficient to create or enhance at least one fracture therein. In another embodiment, the relative permeability modifier may be provided by appropriate reaction in situ.
    Type: Application
    Filed: June 20, 2006
    Publication date: October 19, 2006
    Inventors: Larry Eoff, Eldon Dalrymple, B. Reddy
  • Publication number: 20060234871
    Abstract: A sealant composition for servicing a wellbore comprising at least one gel system, a leak off prevention material and water.
    Type: Application
    Filed: January 19, 2006
    Publication date: October 19, 2006
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Eldon Dalrymple, Larry Eoff, Diederik van Batenburg, Jip van Eijden
  • Publication number: 20060213662
    Abstract: A package and methods for treating a wellbore using the same are disclosed. In one embodiment, the method comprises servicing a wellbore in contact with a subterranean formation by placing a material in the wellbore, wherein the material is disposed within a closed container. The material is suitable for use in a wellbore and is capable of plugging a flow pathway. The method further comprises releasing the material from the container. In an embodiment, the material is a swelling agent, which may plug a permeable zone.
    Type: Application
    Filed: March 25, 2005
    Publication date: September 28, 2006
    Inventors: Prentice Creel, B. Reddy, Eldon Dalrymple, Ramzi Abdulkadir, James Venditto, Ronald Crook
  • Publication number: 20060169455
    Abstract: The invention provides for a composition for treating a subterranean formation, the composition comprising a water-swellable agent and a sealing agent. Preferably, the water-swellable agent: i) absorbs greater than 100 weight % of water; and ii) swells to greater than 100 weight % as it absorbs water. Preferably the sealing agent: i) is greater than 0.01 weight % soluble in water; and ii) forms a three dimensional gel structure in water. The invention also provides for a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of: a) introducing a sealing agent into the subterranean formation; and b) introducing a water-swellable agent into the subterranean formation.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 3, 2006
    Inventors: Don Everett, Larry Eoff, Eldon Dalrymple
  • Publication number: 20050284632
    Abstract: The present invention relates to methods useful during sand control operations and, more particularly, to using water-soluble relative permeability modifiers that are useful for controlling fluid loss during sand control operations. In one embodiment, the present invention provides a method of providing fluid loss control during sand control operations comprising introducing a fluid that comprises a water-soluble relative permeability modifier into a well bore; and stabilizing unconsolidated formation particulates in a section of a subterranean formation penetrated by the well bore. In other embodiments, the present invention provides methods of providing fluid loss control during sand control operations and methods of reducing fluid loss from carrier fluids used in sand control operations.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 29, 2005
    Inventors: Eldon Dalrymple, Larny Eoff, B. Reddy
  • Publication number: 20050279502
    Abstract: The present invention provides a method of cementing in a subterranean formation that includes providing a cement composition that includes water, cement, and a fluid loss control additive that includes a water-soluble hydrophobically modified polymer or a hydrophilically modified water-soluble polymer; placing the cement composition into the subterranean formation; and allowing the cement composition to set therein. In certain embodiments, the water-soluble hydrophobically modified polymer or the hydrophilically modified water-soluble polymer may include a polymer backbone that comprises polar heteroatoms. In another embodiment, the water-soluble hydrophobically modified polymer may be a reaction product of a hydrophobic compound with a polyvinylamine, a poly(vinylamine/vinyl alcohol), or an alkyl acrylate polymer.
    Type: Application
    Filed: June 21, 2004
    Publication date: December 22, 2005
    Inventors: Larry Eoff, Eldon Dalrymple, B. Raghava Reddy
  • Publication number: 20050261139
    Abstract: The present invention provides a well treatment fluid containing water, a amine-based polymer, and an oxidized polysaccharide-based polymer. The oxidized polysaccharide-based polymer is able to crosslink with the amine-based polymer and produce a gel having a viscosity of greater than about 20 cp, measured at a pH of about 4 to about 7 and at STP. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore comprising the steps of: (a) forming the well treatment fluid, and (b) contacting the subterranean formation with the fluid.
    Type: Application
    Filed: July 27, 2005
    Publication date: November 24, 2005
    Inventors: B. Raghava Reddy, Larry Eoff, Eldon Dalrymple
  • Publication number: 20050230116
    Abstract: The present invention relates to spacer fluids used in subterranean operations and, more particularly, to spacer fluids that comprise water-soluble relative permeability modifiers and methods of using the spacer fluids in subterranean operations. In one embodiment, the present invention provides a method of displacing a first fluid from a well bore that comprises introducing the first fluid into the well bore; and displacing the first fluid with a spacer fluid, the spacer fluid comprising water, and a water-soluble relative permeability modifier comprising a hydrophobically modified polymer or a hydrophilically modified polymer. In another embodiment, the present invention provides a spacer fluid that comprises water, and a water-soluble relative permeability modifier comprising a hydrophobically modified polymer or a hydrophilically modified polymer.
    Type: Application
    Filed: July 16, 2004
    Publication date: October 20, 2005
    Inventors: Larry Eoff, B. Reddy, Eldon Dalrymple
  • Publication number: 20050199396
    Abstract: Provided are methods of using fluid loss control additives that comprise a water-soluble polymer with hydrophobic or hydrophilic modification. In one embodiment, a method of providing at least some degree of fluid loss control during a subterranean treatment is provided. In an example of such a method, the method may comprise providing a treatment fluid comprising an aqueous liquid and a fluid loss control additive, the fluid loss control additive comprising a water-soluble polymer with hydrophobic or hydrophilic modification; and introducing the treatment fluid into a well bore that penetrates a subterranean formation, wherein there is at least a partial reduction in fluid loss into at least a portion of the subterranean formation from the treatment fluid and/or another aqueous fluid introduced into well bore subsequent to the treatment fluid.
    Type: Application
    Filed: April 8, 2005
    Publication date: September 15, 2005
    Inventors: Leopoldo Sierra, Eldon Dalrymple, Larry Eoff, Barireddy Reddy, Matthew Blauch, Mark Parker
  • Publication number: 20050194140
    Abstract: Methods of using relative permeability modifiers for the diversion of aqueous fluids during subterranean operations are provided. An embodiment of the present invention provides a method of diverting fluids in a subterranean formation that may comprise providing a treatment fluid comprising an aqueous fluid and a relative permeability modifier that comprises water-soluble polymer with hydrophobic or hydrophilic modification; introducing the treatment fluid into a well bore that penetrates the subterranean formation; and at least a first portion of the treatment fluid to penetrate into a portion of the subterranean formation so as to substantially divert a second portion of the treatment fluid or another aqueous treatment fluid to another portion of the subterranean.
    Type: Application
    Filed: May 5, 2005
    Publication date: September 8, 2005
    Inventors: Eldon Dalrymple, Larry Eoff, B. Reddy