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公开(公告)号：US20190331466A1
公开(公告)日：2019-10-31
申请号：US16508109
申请日：2019-07-10
申请人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
发明人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
摘要： A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.
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公开(公告)号：US11435170B2
公开(公告)日：2022-09-06
申请号：US16508109
申请日：2019-07-10
申请人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
发明人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
摘要： A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.
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公开(公告)号：US10393482B2
公开(公告)日：2019-08-27
申请号：US15340429
申请日：2016-11-01
申请人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
发明人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
摘要： A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.
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公开(公告)号：US20180120066A1
公开(公告)日：2018-05-03
申请号：US15340429
申请日：2016-11-01
申请人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
发明人： Suman Khatiwada , John Welch , Anil Sadana , Ramon Garza
CPC分类号： F42B3/04 , E21B23/065 , F42B3/22
摘要： A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.
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公开(公告)号：US20160369154A1
公开(公告)日：2016-12-22
申请号：US15157932
申请日：2016-05-18
申请人： Michael H. Johnson , Anil Sadana , Suman Khatiwada
发明人： Michael H. Johnson , Anil Sadana , Suman Khatiwada
摘要： A downhole material and a soluble glass dispersed within the material. A method for operating in a borehole.
摘要翻译： 井下材料和分散在材料内的可溶性玻璃。 一种在钻孔中操作的方法。
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公开(公告)号：US20170114480A1
公开(公告)日：2017-04-27
申请号：US14921103
申请日：2015-10-23
申请人： Suman Khatiwada
发明人： Suman Khatiwada
CPC分类号： D03D15/0011 , B29C43/003 , B29K2029/04 , B29K2067/043 , B29K2067/046 , B29K2995/0062 , D10B2401/12 , E21B33/12
摘要： In one embodiment, a method to form a downhole element is disclosed, including weaving a continuous glass filament and a continuous degradable thermoplastic filament to form a commingled glass fiber. In another embodiment, a commingled glass fiber is disclosed, including a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament. In another embodiment, a downhole element is disclosed, including a commingled glass fiber. The commingled glass fiber includes a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament.
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7.发明申请METHODS OF MANUFACTURING POLY(HEXAHYDROTRIAZINE)S VIA SUSPENSION OR EMULSION POLYMERIZATION 有权通过悬浮或乳液聚合制备聚（十六氢化INE INE INE INE））ATION ATION ATION ATION ATION ATION ATION ATION ATION ATION ATION ATION公开(公告)号：US20160289387A1
公开(公告)日：2016-10-06
申请号：US14674213
申请日：2015-03-31
申请人： Xiao Wang , Anil K. Sadana , Suman Khatiwada
发明人： Xiao Wang , Anil K. Sadana , Suman Khatiwada
CPC分类号： C08G73/065 , C08G12/08 , C08G73/024 , C08G73/0638 , C08G73/0644 , C08J3/12 , C08J2379/04
摘要： A method of manufacturing a hemiaminal dynamic covalent network (HDCN) comprises reacting a diamine and formaldehyde in the presence of a reaction medium comprising a polar solvent and a nonpolar solvent at a temperature of about 15° C. to about 100° C. to form the HDCN. A composition comprising the produced HDCN can be molded to form various articles comprising poly(hexahydrotriazine)s.
摘要翻译： 制备血液动力共价网络（HDCN）的方法包括在约15℃至约100℃的温度下，在包含极性溶剂和非极性溶剂的反应介质存在下使二胺和甲醛反应形成 HDCN。 可以将包含所生产的HDCN的组合物模制成包含聚（六氢三嗪）的各种制品。
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公开(公告)号：US10753016B2
公开(公告)日：2020-08-25
申请号：US14921103
申请日：2015-10-23
申请人： Suman Khatiwada
发明人： Suman Khatiwada
摘要： In one embodiment, a method to form a downhole element is disclosed, including weaving a continuous glass filament and a continuous degradable thermoplastic filament to form a commingled glass fiber. In another embodiment, a commingled glass fiber is disclosed, including a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament. In another embodiment, a downhole element is disclosed, including a commingled glass fiber. The commingled glass fiber includes a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament.
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公开(公告)号：US10329407B2
公开(公告)日：2019-06-25
申请号：US14953472
申请日：2015-11-30
申请人： Ping Duan , Anil K. Sadana , Suman Khatiwada , Yingqing Xu , Xiao Wang
发明人： Ping Duan , Anil K. Sadana , Suman Khatiwada , Yingqing Xu , Xiao Wang
IPC分类号： C08K7/14 , B29C43/00 , E21B41/00 , C08K3/16 , E21B33/00 , E21B33/12 , E21B34/00 , B29K105/00
摘要： A degradable polymer composition comprises a polyurethane comprising ester groups in a backbone of the polyurethane and carboxylic acid groups attached to the backbone of the polyurethane; and a filler comprising one or more of the following: a powder comprising particles having an average particle size of about 5 microns to about 500 microns; or a fiber having an average length of about ⅛ inch to about 5 inches. Also disclosed are articles comprising the composition. A method to degrade the article includes exposing the article to a fluid at a temperature of about 25° C. to about 300° C.
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10.发明授权Methods of manufacturing poly(hexahydrotriazine)s via suspension or emulsion polymerization 有权通过悬浮或乳液聚合制备聚（六氢三嗪）的方法公开(公告)号：US09505885B2
公开(公告)日：2016-11-29
申请号：US14674213
申请日：2015-03-31
申请人： Xiao Wang , Anil K. Sadana , Suman Khatiwada
发明人： Xiao Wang , Anil K. Sadana , Suman Khatiwada
CPC分类号： C08G73/065 , C08G12/08 , C08G73/024 , C08G73/0638 , C08G73/0644 , C08J3/12 , C08J2379/04
摘要： A method of manufacturing a hemiaminal dynamic covalent network (HDCN) comprises reacting a diamine and formaldehyde in the presence of a reaction medium comprising a polar solvent and a nonpolar solvent at a temperature of about 15° C. to about 100° C. to form the HDCN. A composition comprising the produced HDCN can be molded to form various articles comprising poly(hexahydrotriazine)s.
摘要翻译： 制备血液动力共价网络（HDCN）的方法包括在约15℃至约100℃的温度下，在包含极性溶剂和非极性溶剂的反应介质存在下使二胺和甲醛反应形成 HDCN。 可以将包含所生产的HDCN的组合物模制成包含聚（六氢三嗪）的各种制品。
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