Patents by Inventor Chad E. Kiser
Chad E. Kiser 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: 8716199Abstract: Corrosion inhibitor compounds including a corrosion inhibitor and a corrosion inhibitor intensifier composition comprising an intensifier compound that corresponds to the following formula: wherein R1 is a methyl or ethyl group, and R2 is H or an alkyl, aryl, alkyl aryl, alkylthio aryl, alkyloxy aryl, halogenated aryl, phenyl, alkyl phenyl, alkylthio phenyl, alkyloxyphenyl, or a halogenated phenyl group.Type: GrantFiled: February 23, 2011Date of Patent: May 6, 2014Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Patent number: 8361937Abstract: The invention relates to corrosion inhibitor compositions comprising products of a reaction between aldehydes and amides for use in subterranean applications and methods related thereto. In general, the methods for inhibiting corrosion comprise providing a corrosive environment and adding a composition comprising a corrosion inhibitor to the corrosive environment. The corrosion inhibitor comprises a product of a reaction between at least one aldehyde and at least one amide that is not formamide or a formamide derivative.Type: GrantFiled: December 1, 2010Date of Patent: January 29, 2013Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kiser
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Publication number: 20120142563Abstract: The invention relates to corrosion inhibitor compositions comprising products of a reaction between aldehydes and amides for use in subterranean applications and methods related thereto. In general, the methods for inhibiting corrosion comprise providing a corrosive environment and adding a composition comprising a corrosion inhibitor to the corrosive environment. The corrosion inhibitor comprises a product of a reaction between at least one aldehyde and at least one amide that is not formamide or a formamide derivative.Type: ApplicationFiled: December 1, 2010Publication date: June 7, 2012Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Juanita M. Cassidy, Chad E. Kiser
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Patent number: 8058211Abstract: Of the many methods and compositions provided herein, one method includes a method comprising contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a compound that corresponds to a formula R1R2XCCOOH, wherein X is a halogen, R1 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group, and R2 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group.Type: GrantFiled: December 12, 2007Date of Patent: November 15, 2011Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kiser, J. Michael Wilson
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Patent number: 7994099Abstract: Provided herein are methods and compositions that include a method comprising contacting a metal surface with an acidic fluid comprising a corrosion inhibitor that comprises a reaction product formed from a direct or an indirect reaction of an aldehyde with a thiol and/or an amine functionalized ring structure. A composition provided includes an acidic treatment fluid that comprises an aqueous-base fluid, and acid, and a corrosion inhibitor that comprises a reaction product formed from a direct or an indirect reaction of an aldehyde with a thiol and/or an amine functionalized ring structure.Type: GrantFiled: April 14, 2009Date of Patent: August 9, 2011Assignee: Haliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kiser, Jim L. Lane
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Patent number: 7994101Abstract: Many methods are presented herein including a method comprising: providing a metal surface; and contacting the metal surface with a treatment fluid comprising an aqueous base fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a corrosion inhibitor compound that corresponds to a formula: PR1R2R3, wherein R1, R2, and R3 are chosen from the group consisting of C1-C20 alkyl, cycloalkyl, oxyalkyl, and aryl groups, and R1, R2, and R3 may or may not be equal. Corrosion inhibitor intensifier compositions also are provided.Type: GrantFiled: December 12, 2006Date of Patent: August 9, 2011Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kiser, Jim L. Lane
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Publication number: 20110190173Abstract: Treatment fluids that comprise a phosphorus component useful for inhibiting metal corrosion in acidic environments and associated methods of use are provided. An example of a method of using such treatment fluids may comprise providing a treatment fluid that comprises: an aqueous base fluid, a weak acid or salt thereof, and a phosphorus component, and introducing the treatment fluid into a subterranean formation.Type: ApplicationFiled: April 14, 2011Publication date: August 4, 2011Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Publication number: 20110155959Abstract: Of the many methods provided herein, a method comprising: (a) combining a corrosion inhibitor composition with an aqueous acid solution, the corrosion inhibitor composition comprising a benzylideneaniline compound corresponding to Formula 1 below: wherein R is H, methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups and/or a cinnamylideneaniline compound corresponding to Formula 2 below: wherein R is H methyl, ethyl, hydroxy, methoxy, ethoxy, bromo, chloro, fluoro, mercapto, dimethylamino, or diethylamino groups; and contacting a metal surface with the aqueous acid solution.Type: ApplicationFiled: February 24, 2010Publication date: June 30, 2011Inventors: Juanita M. Cassidy, Chad E. Kiser, Anupom Sabhapondit
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Publication number: 20110140049Abstract: Corrosion inhibitor compounds including a corrosion inhibitor and a corrosion inhibitor intensifier composition comprising an intensifier compound that corresponds to the following formula: wherein R1 is a methyl or ethyl group, and R2 is H or an alkyl, aryl, alkyl aryl, alkylthio aryl, alkyloxy aryl, halogenated aryl, phenyl, alkyl phenyl, alkylthio phenyl, alkyloxyphenyl, or a halogenated phenyl group.Type: ApplicationFiled: February 23, 2011Publication date: June 16, 2011Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Patent number: 7960316Abstract: At least in aspect, the invention provides methods that include a method comprising: contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising an intensifier compound that corresponds to the following formula: wherein R1 is a methyl or ethyl group, and R2 is H or an alkyl, aryl, alkyl aryl, alkylthio aryl, alkyloxy aryl, halogenated aryl, phenyl, alkyl phenyl, alkylthio phenyl, alkyloxyphenyl, or a halogenated phenyl group.Type: GrantFiled: September 25, 2009Date of Patent: June 14, 2011Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Publication number: 20110077174Abstract: At least in aspect, the invention provides methods that include a method comprising: contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising an intensifier compound that corresponds to the following formula: wherein R1 is a methyl or ethyl group, and R2 is H or an alkyl, aryl, alkyl aryl, alkylthio aryl, alkyloxy aryl, halogenated aryl, phenyl, alkyl phenyl, alkylthio phenyl, alkyloxyphenyl, or a halogenated phenyl group.Type: ApplicationFiled: September 25, 2009Publication date: March 31, 2011Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Patent number: 7846879Abstract: The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound (“esterquat”) and methods of their use. One embodiment of the present invention provides a method of inhibiting metal corrosion during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of reducing sludge formation during a subterranean treatment operation formation comprising the step of using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of inhibiting the formation of emulsions during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides an acidic subterranean treatment fluid comprising an acidic fluid and an esterquat.Type: GrantFiled: May 11, 2006Date of Patent: December 7, 2010Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Publication number: 20100261623Abstract: Provided herein are methods and compositions that include a method comprising contacting a metal surface with an acidic fluid comprising a corrosion inhibitor that comprises a reaction product formed from a direct or an indirect reaction of an aldehyde with a thiol and/or an amine functionalized ring structure. A composition provided includes an acidic treatment fluid that comprises an aqueous-base fluid, and acid, and a corrosion inhibitor that comprises a reaction product formed from a direct or an indirect reaction of an aldehyde with a thiol and/or an amine functionalized ring structure.Type: ApplicationFiled: April 14, 2009Publication date: October 14, 2010Inventors: Juanita M. Cassidy, Chad E. Kiser, Jim L. Lane
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Patent number: 7651982Abstract: Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil are disclosed. An aqueous acid solution of the invention comprises water, hydrochloric acid, a cationic hydrochloric acid corrosion inhibitor and a conjugate ion pair of a cationic amine oxide surfactant and an anionic surfactant that does not react with the cationic hydrochloric acid corrosion inhibitor.Type: GrantFiled: August 21, 2004Date of Patent: January 26, 2010Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Chad E. Kiser, Jim L. Lane
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Publication number: 20090156432Abstract: Of the many methods and compositions provided herein, one method includes a method comprising contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a compound that corresponds to a formula R1R2XCCOOH, wherein X is a halogen, R1 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group, and R2 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventors: Juanita M. Cassidy, Chad E. Kiser, J. Michael Wilson
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Publication number: 20080139414Abstract: Many methods are presented herein including a method comprising: providing a metal surface; and contacting the metal surface with a treatment fluid comprising an aqueous base fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a corrosion inhibitor compound that corresponds to a formula: PR1R2R3, wherein R1, R2, and R3 are chosen from the group consisting of C1-C20 alkyl, cycloalkyl, oxyalkyl, and aryl groups, and R1, R2, and R3 may or may not be equal. Corrosion inhibitor intensifier compositions also are provided.Type: ApplicationFiled: December 12, 2006Publication date: June 12, 2008Inventors: Juanita M. Cassidy, Chad E. Kiser, Jim L. Lane
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Publication number: 20070287641Abstract: Treatment fluids that comprise a phosphorus component useful for inhibiting metal corrosion in acidic environments and associated methods of use are provided. An example of a method of using such treatment fluids may comprise providing a treatment fluid that comprises: an aqueous base fluid, a weak acid or salt thereof, and a phosphorus component, and introducing the treatment fluid into a subterranean formation.Type: ApplicationFiled: June 7, 2006Publication date: December 13, 2007Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Patent number: 7163056Abstract: The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound (“esterquat”) and methods of their use. One embodiment of the present invention provides a method of inhibiting metal corrosion during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of reducing sludge formation during a subterranean treatment operation formation comprising the step of using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of inhibiting the formation of emulsions during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides an acidic subterranean treatment fluid comprising an acidic fluid and an esterquat.Type: GrantFiled: May 11, 2006Date of Patent: January 16, 2007Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser
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Patent number: 7073588Abstract: The present invention relates to acidic treatment fluids that comprise an acid fluid and an ester-containing quaternary ammonium compound (“esterquat”) and methods of their use. One embodiment of the present invention provides a method of inhibiting metal corrosion during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of reducing sludge formation during a subterranean treatment operation formation comprising the step of using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides a method of inhibiting the formation of emulsions during a subterranean treatment operation comprising using an acidic treatment fluid comprising an acidic fluid and an esterquat. Another embodiment of the present invention provides an acidic subterranean treatment fluid comprising an acidic fluid and an esterquat.Type: GrantFiled: February 27, 2004Date of Patent: July 11, 2006Assignee: Halliburton Energy Services, Inc.Inventors: Juanita M. Cassidy, Jim L. Lane, Chad E. Kiser