Patents Represented by Attorney Clark Dougherty, Jr.

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  • Oil-based settable spotting fluid
    Patent number: 6315042
    Abstract: Oil-based settable spotting fluid compositions and methods of using the compositions are provided. The oil-based settable spotting fluid compositions are basically comprised of oil, an emulsifying surfactant for emulsifying the oil with water whereby an oil-external emulsion is formed, a de-emulsifying surfactant which in time de-emulsifies said oil-external emulsion when the emulsion is contacted with external water, a hydraulic settable component selected from the group consisting of ASTM Class C or the equivalent fly ash and ASTM Class F or the equivalent fly ash together with a source of calcium and water selected from the group consisting of fresh water and salt water.
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: November 13, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James E. Griffith, Ricky A. Cox, Jiten Chatterji, John L. Dennis, Jr.
  • Resin composition and methods of consolidating particulate solids in wells with or without closure pressure
    Patent number: 6311773
    Abstract: Improved hardenable resin compositions and methods of consolidating particulate solids in subterranean zones penetrated by well bores are provided. The improved hardenable resin compositions of the invention are basically comprised of a hardenable organic resin, an aminosilane resin-to-particulate solid coupling agent, a viscous carrier fluid breaker for breaking separating films of viscous carrier fluid between resin coated particulate solids and a surface active agent for causing the resin composition to flow to the contact points between resin coated particulate solids.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: November 6, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Bradley L. Todd, Billy F. Slabaugh, Ronald J. Powell, Joseph G. Yaritz
  • Cementing wells with crack and shatter resistant cement
    Patent number: 6308777
    Abstract: Improved cement compositions and methods of cementing subterranean zones penetrated by well bores are provided. In accordance with the methods, a crack and shatter resistant cement composition is introduced into a subterranean zone by way of the well bore penetrating it comprised of a hydraulic cement, sufficient hydrophilic fibers to make the cement composition crack and shatter resistant upon setting and sufficient water to form a pumpable slurry. Thereafter, the cement composition is allowed to set in the subterranean zone.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: October 30, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Roger S. Cromwell, Ronald J. Crook, Frank Zamora
  • Cross-linked well treating fluids
    Patent number: 6310008
    Abstract: The present invention provides improved cross-linked well treating fluids and methods for preparing and using the fluids in treating wells such as fracturing subterranean zones therein. The improved cross-linked treating fluids comprise water, a galactomannan gelling agent, a cross-linking agent for cross-linking the galactomannan gelling agent, and a viscosity stabilizing agent selected from the group consisting of formaldehyde, formic acid, or mixtures thereof. The viscosity stabilizing agent alters the properties of the well treating fluids and enables them to retain their viscosity over prolonged periods of time when compared to prior well treating fluids.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: October 30, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Marcel Rietjens
  • Methods of completing unconsolidated subterranean producing zones
    Patent number: 6302207
    Abstract: Improved methods of completing subterranean producing zones containing unconsolidated sands penetrated by well bores are provided. The methods are basically comprised of placing a sand screen in the zone, isolating the annulus between the sand screen and the well bore in the zone, introducing particulate solids and foam forming pellets or open cell foam pieces with or without particulate solids and foam forming pellets into the annulus between the sand screen and the well bore to thereby form a formation sand screening permeable pack in the annulus. When utilized, the foam forming pellets are activated by heat or other means to form a foam which expands and solidifies in the pack thereby eliminating voids and strengthening the pack.
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: October 16, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D. Nguyen, Brahmadeo T. Dewprashad, Kirk L. Schreiner, Ronald D. Dusterhoft
  • Defoaming compositions and methods
    Patent number: 6297202
    Abstract: The present invention provides improved defoaming compositions and methods. The compositions of the invention are basically comprised of polypropylene glycol, particulate hydrophobic silica and a liquid diluent.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: October 2, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Roger S. Cromwell, Bobby J. King
  • Methods and systems for producing off-shore deep-water wells
    Patent number: 6296060
    Abstract: Methods of placing off-shore wells on production comprising the steps of separating a gas from oil or oil and water produced by the well, introducing the gas into the seawater surrounding the well at a depth where the temperature and pressure of the seawater are such that solid gas hydrates are formed when the gas is mixed with the seawater, mixing the gas with the seawater whereby the gas is converted to solid gas hydrates and depositing the solid gas hydrates on the sea floor.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: October 2, 2001
    Assignee: Kerr-McGee Corporation
    Inventor: Kurt P. McCaslin
  • Heat insulation compositions and methods
    Patent number: 6279652
    Abstract: The present invention provides heat insulation compositions and methods. The compositions are basically comprised of an epoxide containing liquid, an insulating material and an epoxide hardening agent.
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: August 28, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, David D. Onan, Roger S. Cromwell
  • Cementing casing strings in deep water offshore wells
    Patent number: 6273191
    Abstract: The present invention provides improved methods of cementing casing strings in deep water offshore formations penetrated by well bores. The methods are basically comprised of the steps of preparing a cement composition having a short transition time comprised of hydraulic cement, a water reducing additive, a dispersing additive, a compressive strength enhancing and set retarding additive, a set accelerating additive and water, placing the cement composition in the annulus between the casing string and the well bore and allowing the cement composition to set into a hard impermeable mass.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: August 14, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Baireddy R. Reddy, Ronald J. Crook, Bryan R. Waugh
  • Sealing subterranean zones
    Patent number: 6271181
    Abstract: The present invention provides improved compositions and methods of using the compositions for sealing subterranean zones. The compositions are basically comprised of water, an aqueous rubber latex, an organophillic clay, sodium carbonate, an epoxy resin and a hardening agent for said epoxy resin.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: August 7, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Roger S. Cromwell, Bobby J. King
  • Methods and compositions for cementing pipe in well bores
    Patent number: 6270565
    Abstract: Methods and compositions for cementing pipe strings in well bores are provided. The compositions are basically comprised of a hydraulic cement, water, an in situ foam generating additive and a water-wetting foam stabilizing surfactant.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: August 7, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventor: James F. Heathman
  • Well cementing methods using compositions containing liquid polymeric additives
    Patent number: 6268406
    Abstract: Methods of cementing subterranean zones penetrated by a well bores are provided. In accordance with the methods, a cement composition is prepared comprised of a hydraulic cement, sufficient water to form a slurry and an effective amount of a liquid fluid loss control additive comprised of an emulsion having a copolymer of N,N-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or a salt thereof contained therein. The cement composition is placed in a subterranean zone and then allowed to set into a hard impermeable mass therein.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: July 31, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Frank Zamora, Bobby J. King, Rita J. McKinley
  • Stimulating fluid production from unconsolidated formations
    Patent number: 6257335
    Abstract: The present invention provides methods of stimulating fluid production from an unconsolidated formation penetrated by a wellbore while preventing the migration of formation sand with fluids produced from the formation. The methods basically comprise the steps of injecting a liquid composition into a portion of the formation surrounding the wellbore which converts into a gel-like substance and plugs the permeability of the injected portion of the formation, but allows the injected portion to remain flexible and resist breakdown due to pressure cycling therein, creating at least one fracture in the formation extending from the wellbore through the plugged portion of the formation into an unplugged portion thereof and depositing hardenable resin composition coated proppant in the fracture and causing the resin composition to harden and consolidate the proppant into a hard permeable mass.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: July 10, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D. Nguyen, Jimmie D. Weaver, John L. Brumley
  • Methods and compositions for grouting heat exchange pipe
    Patent number: 6258160
    Abstract: The present invention provides improved methods and compositions for grouting heat exchange pipe in a hole or trench in the ground. The grouting compositions of the invention have quick set and high thermal conductivity properties and are basically comprised of an amorphous silica material, an alkaline earth metal oxide or hydroxide, a water swellable clay and water present in an amount sufficient to form a slurry. The compositions optionally also include a set retarder and a thermal conductivity increasing agent.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: July 10, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Roger S. Cromwell, W. Andrew Liao, Jason G. Bell
  • Water based compositions for sealing subterranean zones and methods
    Patent number: 6258757
    Abstract: The present invention provides water based compositions and methods of using the compositions for sealing subterranean zones. The compositions are basically comprised of water, an aqueous rubber latex, an organophillic clay and sodium carbonate.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: July 10, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ronald E. Sweatman, Archie J. Felio, James F. Heathman
  • Cathode intercalation compositions, production methods and rechargeable lithium batteries containing the same
    Patent number: 6248477
    Abstract: Intercalation compositions having spinel structures with crystallites of metal oxides (M2O3) dispersed throughout the structure are provided having the general formula Li1+xMyMn2−x−yO4. Methods of producing the intercalation compositions and rechargeable lithium batteries containing the compositions are also provided.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: June 19, 2001
    Assignee: Kerr-McGee Chemical LLC
    Inventors: Wilmont Frederick Howard, Jr., Stephen Wilfred Sheargold, Monte Sean Jordan, Joe Lane Bledsoe
  • Cementing in deep water offshore wells
    Patent number: 6244343
    Abstract: An improved method of cementing casing in a deep water offshore formation penetrated by a well bore comprising the steps of preparing a foamed cement composition comprised of calcium aluminate cement, a set accelerating additive, a thickening time increasing additive, water, a gas, and a mixture of foam forming and foam stabilizing surfactants; placing the cement composition in the annulus between the casing and well bore; and allowing the cement composition to set into a hard impermeable mass therein.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: June 12, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Lance E. Brothers, Anthony V. Palmer
  • Flow properties of dry cementitious materials
    Patent number: 6245142
    Abstract: Methods of improving the flow properties of one or more dry particulate cementitious materials are provided. The methods are basically comprised of dry-blending a particulate flow enhancing additive comprised of a particulate solid adsorbent material having a flow inducing polar molecule producing chemical adsorbed thereon with said cementitious materials.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: June 12, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Baireddy R. Reddy, Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald, Ronald J. Crook
  • Circulating nipple and method for setting well casing
    Patent number: 6244349
    Abstract: A circulating nipple used to circulate fluid through well casing while running the casing into a well. The circulating nipple has a body portion and an elongated neck portion. The elongated neck portion is adapted for engagement with a pipe wrench for making the nipple up on the casing string. The body defines one or more holes therethrough adapted for receiving a handle or operating bar therein. The operating bar may be used as an alternative to, or in addition to, the use of the pipe wrench for making the nipple up on the casing string. Methods of running casing using the circulating nipple are also disclosed.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: June 12, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventor: David P. Brisco
  • Methods and compositions for cementing pipe strings in well bores
    Patent number: 6244344
    Abstract: The present invention provides improved methods and compositions for cementing pipe strings in well bores. The methods of the invention are basically comprised of preparing a cement composition comprised of a hydraulic cement, an epoxy resin, a hardening agent for the epoxy resin and sufficient water to form a pumpable slurry. Thereafter, the cement composition is introduced into the annulus between a pipe string and a well bore and the cement composition is allowed to set into a resilient impermeable solid mass.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: June 12, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, Roger S. Cromwell, Robert D. Kuhlman, Bobby J. King