Patents by Inventor Neil A. Stegent
Neil A. Stegent 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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Patent number: 11506037Abstract: A method and system for pressurizing and stimulating a formation with a parent well therethrough, the method including storing and de-liquefying liquefied natural gas (LNG) at an on-site location near the parent well, injecting a first stream of de-liquefied LNG into the parent well to pressurize the formation, and injecting a second stream of de-liquefied LNG into the parent well at a fracturing pressure sufficient to fracture the pressurized formation.Type: GrantFiled: November 11, 2016Date of Patent: November 22, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Ronald G. Dusterhoft, Neil A. Stegent, Enrique A. Reyes, Doug W. Walser
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Patent number: 10968727Abstract: A method and system of treating a formation and a well extending therethrough, including storing liquefied natural gas (LNG) at an on-site location of the well, injecting a first stream of LNG into the formation through the well to contact at least one of a surface of the formation or a metal surface locatable in the well, injecting a chemical agent into the formation through the well to contact at least one of the surface of the formation or the metal surface locatable in the well, and treating at least one of the surface of the formation or the metal surface locatable in the well with the chemical agent and the first stream of LNG.Type: GrantFiled: November 11, 2016Date of Patent: April 6, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Ronald G. Dusterhoft, Neil A. Stegent, Enrique A. Reyes, Doug W. Walser
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Publication number: 20200340341Abstract: A method and system for pressurizing and stimulating a formation with a parent well therethrough, the method including storing and de-liquefying liquefied natural gas (LNG) at an on-site location near the parent well, injecting a first stream of de-liquefied LNG into the parent well to pressurize the formation, and injecting a second stream of de-liquefied LNG into the parent well at a fracturing pressure sufficient to fracture the pressurized formation.Type: ApplicationFiled: November 11, 2016Publication date: October 29, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Ronald G. Dusterhoft, Neil A. Stegent, Enrique A. Reyes, Doug W. Walser
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Patent number: 10704373Abstract: A method and a system for pressurizing a reservoir volume including fluid in a formation with a parent well extending through the formation includes storing liquefied natural gas (LNG) at an on-site location of the parent well, de-liquefying the LNG to form natural gas at the on-site location, and injecting the natural gas into the parent well to pressurize the reservoir volume through the parent well.Type: GrantFiled: November 11, 2016Date of Patent: July 7, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Ronald G. Dusterhoft, Neil A. Stegent, Enrique A. Reyes, Doug W. Walser
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Publication number: 20190264097Abstract: A method and system of treating a formation and a well extending therethrough, including storing liquefied natural gas (LNG) at an on-site location of the well, injecting a first stream of LNG into the formation through the well to contact at least one of a surface of the formation or a metal surface locatable in the well, injecting a chemical agent into the formation through the well to contact at least one of the surface of the formation or the metal surface locatable in the well, and treating at least one of the surface of the formation or the metal surface locatable in the well with the chemical agent and the first stream of LNG.Type: ApplicationFiled: November 11, 2016Publication date: August 29, 2019Applicant: Halliburton Energy Services, Inc.Inventors: Ronald G. Dusterhoft, Neil A. Stegent, Enrique A. Reyes, Doug W. Walser
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Publication number: 20190234194Abstract: A method and a system for pressurizing a reservoir volume including fluid in a formation with a parent well extending through the formation includes storing liquefied natural gas (LNG) at an on-site location of the parent well, de-liquefying the LNG to form natural gas at the on-site location, and injecting the natural gas into the parent well to pressurize the reservoir volume through the parent well.Type: ApplicationFiled: November 11, 2016Publication date: August 1, 2019Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Ronald G. DUSTERHOFT, Neil A. STEGENT, Enrique A. REYES, Doug W. WALSER
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Patent number: 7591313Abstract: Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of particulates, at least one of which comprises a mineral surface; providing a surface-treating reagent capable of modifying the stress-activated reactivity of a mineral surface of a particulate; and allowing the surface-treating reagent modify the stress-activated reactivity of at least a portion of the mineral surface of at least one particulate. In other embodiments, the methods comprise the use of particulates comprising a modified mineral surface in fluids introduced into subterranean formations.Type: GrantFiled: July 12, 2007Date of Patent: September 22, 2009Assignee: Halliburton Energy Services, Inc.Inventors: Jim D. Weaver, Billy F. Slabaugh, Robert E. Hanes, Jr., Diederik van Batenburg, Mark A. Parker, Matthew E. Blauch, Neil A. Stegent, Philip D. Nguyen, Thomas D. Welton
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Patent number: 7580796Abstract: Methods, computer programs, and systems for evaluating and treating previously-fractured subterranean formations are provided. An example method includes, for one or more of the one or more layers, determining whether there are one or more existing fractures in the layer. The method further includes, for one or more of the one or more existing fractures, measuring one or more parameters of the existing fracture and determining conductivity damage to the existing fracture, based, at least in part, on one or more of the one or more measured parameters of the existing fracture. The method further includes selecting one or more remediative actions for the existing fracture, based, at least in part, on the conductivity damage.Type: GrantFiled: July 31, 2007Date of Patent: August 25, 2009Assignee: Halliburton Energy Services, Inc.Inventors: Mohamed Y. Soliman, Loyd E. East, Neil A. Stegent, Joseph Ansah
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Patent number: 7500519Abstract: Provided are methods of modifying the stress-activated reactivity of subterranean fracture faces and other surfaces in subterranean formations. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid and a surface-treating reagent capable of modifying the stress-activated reactivity of a mineral surface in a subterranean formation; introducing the treatment fluid into a subterranean formation; and allowing the surface-treating reagent to modify the stress-activated reactivity of at least a portion of a mineral surface in the subterranean formation.Type: GrantFiled: May 20, 2005Date of Patent: March 10, 2009Assignee: Halliburton Energy Services, Inc.Inventors: Jim D. Weaver, Billy F. Slabaugh, Robert E. Hanes, Jr., Diederik van Batenburg, Mark A. Parker, Matthew E. Blauch, Neil A. Stegent, Philip D. Nguyen, Thomas D. Welton
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Publication number: 20090037112Abstract: Methods, computer programs, and systems for evaluating and treating previously-fractured subterranean formations are provided. An example method includes, for one or more of the one or more layers, determining whether there are one or more existing fractures in the layer. The method further includes, for one or more of the one or more existing fractures, measuring one or more parameters of the existing fracture and determining conductivity damage to the existing fracture, based, at least in part, on one or more of the one or more measured parameters of the existing fracture. The method further includes selecting one or more remediative actions for the existing fracture, based, at least in part, on the conductivity damage.Type: ApplicationFiled: July 31, 2007Publication date: February 5, 2009Inventors: Mohamed Y. Soliman, Loyd E. East, Neil A. Stegent, Joseph Ansah
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Publication number: 20080015119Abstract: Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of particulates, at least one of which comprises a mineral surface; providing a surface-treating reagent capable of modifying the stress-activated reactivity of a mineral surface of a particulate; and allowing the surface-treating reagent modify the stress-activated reactivity of at least a portion of the mineral surface of at least one particulate. In other embodiments, the methods comprise the use of particulates comprising a modified mineral surface in fluids introduced into subterranean formations.Type: ApplicationFiled: July 12, 2007Publication date: January 17, 2008Inventors: Jim Weaver, Billy Slabaugh, Robert Hanes, Diederik van Batenburg, Mark Parker, Matthew Blauch, Neil Stegent, Philip Nguyen, Thomas Welton
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Patent number: 7318473Abstract: Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a sufficient amount of the gravel matrix composition in the longitudinal portion to enhance the structural support of the longitudinal portion. Optional additives may include curable resins, tackifiers, and/or the incorporation of a degradable material in the gravel matrix composition.Type: GrantFiled: March 7, 2005Date of Patent: January 15, 2008Assignee: Halliburton Energy Services, Inc.Inventors: Loyd E. East, Jr., Neil A. Stegent
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Publication number: 20070114032Abstract: Methods for stabilizing portions of a subterranean formation that comprise unconsolidated particulates. In one embodiment, the methods of the present invention comprise: providing a consolidating agent; introducing the consolidating agent into an unconsolidated portion of a subterranean formation through a dynamic diversion tool; and allowing the consolidating agent to at least partially consolidate the unconsolidated portion of the subterranean formation.Type: ApplicationFiled: November 22, 2005Publication date: May 24, 2007Inventors: Neil Stegent, Philip Nguyen, Kevin Halliburton, Matthew Blauch, Loyd East
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Publication number: 20060260808Abstract: Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of particulates, at least one of which comprises a mineral surface; providing a surface-treating reagent capable of modifying the stress-activated reactivity of a mineral surface of a particulate; and allowing the surface-treating reagent modify the stress-activated reactivity of at least a portion of the mineral surface of at least one particulate. In other embodiments, the methods comprise the use of particulates comprising a modified mineral surface in fluids introduced into subterranean formations.Type: ApplicationFiled: May 20, 2005Publication date: November 23, 2006Inventors: Jim Weaver, Billy Slabaugh, Robert Hanes, Diederik van Batenburg, Mark Parker, Matthew Blauch, Neil Stegent, Philip Nguyen, Thomas Welton
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Publication number: 20060260810Abstract: Provided are methods of modifying the stress-activated reactivity of subterranean fracture faces and other surfaces in subterranean formations. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid and a surface-treating reagent capable of modifying the stress-activated reactivity of a mineral surface in a subterranean formation; introducing the treatment fluid into a subterranean formation; and allowing the surface-treating reagent to modify the stress-activated reactivity of at least a portion of a mineral surface in the subterranean formation.Type: ApplicationFiled: May 20, 2005Publication date: November 23, 2006Inventors: Jim Weaver, Billy Slabaugh, Robert Hanes, Diederik van Batenburg, Mark Parker, Matthew Blauch, Neil Stegent, Philip Nguyen, Thomas Welton
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Publication number: 20060196661Abstract: Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a sufficient amount of the gravel matrix composition in the longitudinal portion to enhance the structural support of the longitudinal portion. Optional additives may include curable resins, tackifiers, and/or the incorporation of a degradable material in the gravel matrix composition.Type: ApplicationFiled: March 7, 2005Publication date: September 7, 2006Inventors: Loyd East, Neil Stegent
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Publication number: 20050284637Abstract: The present invention relates to systems and methods useful in subterranean treatment operations. More particularly, the present invention relates to systems and methods for treating subterranean formations using low-molecular-weight fluids. Examples of methods of the present invention include methods of treating a subterranean formation intersected by a wellbore; methods of enhancing production from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; methods of enhancing production, in real time, from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; and methods of reducing the cost of enhancing production from multiple formations penetrated by a well bore by stimulating multiple formations, on a single trip through the well bore, with a fluid that minimizes damage to the formation.Type: ApplicationFiled: June 4, 2004Publication date: December 29, 2005Inventors: Neil Stegent, David Adams, Leldon Farabee
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Publication number: 20050269099Abstract: The present invention relates to systems and methods useful in subterranean treatment operations. More particularly, the present invention relates to systems and methods for treating subterranean formations using low-molecular weight treatment fluids. Examples of methods of the present invention include methods of fracturing a subterranean formation; methods of enhancing production from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; methods of enhancing production, in real time, from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; and methods of reducing the cost of enhancing production from multiple subterranean formations penetrated by a well bore by stimulating multiple formations, on a single trip through the well bore, with a fluid that minimizes damage to the formation.Type: ApplicationFiled: June 4, 2004Publication date: December 8, 2005Inventors: Neil Stegent, David Adams, Leldon Farabee
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Publication number: 20050269101Abstract: The present invention relates to systems and methods useful in subterranean treatment operations. More particularly, the present invention relates to systems and methods for treating subterranean formations using low-molecular-weight fluids. Examples of methods of the present invention include methods for fracturing a portion of a subterranean formation penetrated by a well bore; methods of enhancing production from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; methods of enhancing production, in real time, from multiple subterranean formations penetrated by a well bore during a single trip through the well bore; and methods of reducing the cost of enhancing production from multiple subterranean formations penetrated by a well bore by stimulating multiple formations, on a single trip through the well bore, with a fluid that minimizes damage to the formation.Type: ApplicationFiled: June 4, 2004Publication date: December 8, 2005Inventors: Neil Stegent, David Adams, Leldon Farabee