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公开(公告)号：US12055000B2
公开(公告)日：2024-08-06
申请号：US17563541
申请日：2021-12-28
申请人： YingQing Xu , Zhiyue Xu , Zhihui Zhang
发明人： YingQing Xu , Zhiyue Xu , Zhihui Zhang
IPC分类号： E21B33/12 , E21B17/10 , E21B33/124
CPC分类号： E21B17/1078 , E21B33/12 , E21B33/124 , E21B2200/08
摘要： A casing/liner string buoyancy arrangement including a casing/liner string, and a material defining a volume disposed within the string, the material excluding downhole fluids from the volume, the volume being of a lower specific gravity than the same downhole fluids. A method for managing buoyancy of a casing/liner string including configuring a casing/liner string, running the string, and selectively maintaining or degrading the material to adjust buoyancy of the string. A borehole system including a borehole in a subsurface formation, and an arrangement disposed in the borehole.
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公开(公告)号：US20230203894A1
公开(公告)日：2023-06-29
申请号：US17563541
申请日：2021-12-28
申请人： YingQing Xu , Zhiyue Xu , Zhihui Zhang
发明人： YingQing Xu , Zhiyue Xu , Zhihui Zhang
IPC分类号： E21B17/10 , E21B33/124
CPC分类号： E21B17/1078 , E21B33/124 , E21B2200/08
摘要： A casing/liner string buoyancy arrangement including a casing/liner string, and a material defining a volume disposed within the string, the material excluding downhole fluids from the volume, the volume being of a lower specific gravity than the same downhole fluids. A method for managing buoyancy of a casing/liner string including configuring a casing/liner string, running the string, and selectively maintaining or degrading the material to adjust buoyancy of the string. A borehole system including a borehole in a subsurface formation, and an arrangement disposed in the borehole.
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3.发明授权公开(公告)号：US10364631B2
公开(公告)日：2019-07-30
申请号：US15599031
申请日：2017-05-18
申请人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
发明人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
IPC分类号： E21B29/02 , F42D1/045 , E21B33/12 , E21B47/00 , E21B34/10 , E21B36/02 , E21B34/00 , E21B47/06
摘要： A downhole assembly includes a downhole tool including a degradable-on-demand material including: a matrix material; and, an energetic material configured to generate energy upon activation to facilitate the degradation of the downhole tool; and, a triggering system including: an electrical circuit having an open condition and a closed condition, the electrical circuit configured to be in the closed condition after movement of an object downhole that engages directly or indirectly with the triggering system; and, an igniter within the electrical circuit, the igniter arranged to ignite the downhole tool in the closed condition of the electrical circuit. In the open condition of the electrical circuit the igniter is inactive, and in the closed condition of the electrical circuit the igniter is activated.
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公开(公告)号：US20210140268A1
公开(公告)日：2021-05-13
申请号：US16680789
申请日：2019-11-12
申请人： Zhihui Zhang , YingQing Xu , Zhiyue Xu
发明人： Zhihui Zhang , YingQing Xu , Zhiyue Xu
IPC分类号： E21B33/134 , E21B33/129
摘要： An anchoring device comprises a degradable substrate; and a ceramic biting member secured to an outer surface of the degradable substrate and configured for engagement with another member, the ceramic biting member comprising a ceramic material which has a density of greater than about 90% of theoretical density and contains one or more of the following: Al2O3; MgO; CaO; SiO2; TiO2; Y2O3; ZrO2; SiC; BN, or Si3N4.
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公开(公告)号：US20200318741A1
公开(公告)日：2020-10-08
申请号：US16378078
申请日：2019-04-08
申请人： Zhihui Zhang , YingQing Xu , Zhiyue Xu
发明人： Zhihui Zhang , YingQing Xu , Zhiyue Xu
摘要： A plug system including a housing, a member movably disposed in the housing, a seat disposed at the member, the seat receptive to an object, and a flapper connected to the member and closable onto the member when the member is shifted by the object.
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6.发明授权公开(公告)号：US10364632B2
公开(公告)日：2019-07-30
申请号：US15599081
申请日：2017-05-18
申请人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
发明人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
IPC分类号： E21B29/02 , E21B47/06 , E21B47/00 , E21B47/18 , E21B47/12 , E21B33/12 , E21B34/06 , E21B43/116 , E21B43/1185 , E21B34/00 , E21B43/26
摘要： A downhole assembly arranged within a borehole includes a downhole tool including a degradable-on-demand material, the degradable-on-demand material including: a matrix material; and, an energetic material configured to generate energy upon activation to facilitate the degradation of the downhole tool; and, a triggering system including: an electrical circuit; an igniter in the electrical circuit arranged to ignite the energetic material; a sensor configured to sense a target event or parameter within the borehole; and, a control unit arranged to receive sensed signals from the sensor and to deliver a start signal to the electrical circuit in response to the sensed signals indicating an occurrence of the target event or parameter; wherein, after the start signal is delivered from the control unit, the electrical circuit is closed and the igniter is initiated.
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公开(公告)号：US10221642B2
公开(公告)日：2019-03-05
申请号：US15599128
申请日：2017-05-18
申请人： Zhihui Zhang , Zhiyue Xu , Goang-Ding Shyu , Juan Carlos Flores Perez , James Doane , Yingqing Xu
发明人： Zhihui Zhang , Zhiyue Xu , Goang-Ding Shyu , Juan Carlos Flores Perez , James Doane , Yingqing Xu
IPC分类号： E21B29/02 , E21B41/00 , E21B23/04 , E21B31/00 , E21B31/107 , E21B41/02 , E21B29/00 , E21B23/03 , E21B33/037 , C22C18/00 , C22C19/00 , E21B34/06
摘要： A downhole assembly includes a downhole tool including a degradable-on-demand material including: a matrix material; and, a unit in contact with the matrix material. The unit includes a core including an energetic material configured to generate energy upon activation to facilitate degradation of the downhole tool; and, an activator disposed in contact with the core, the activator including a triggering system having an electrical circuit and an igniter within the electrical circuit, the electrical circuit having an open condition and a closed condition, the electrical circuit configured to be in the closed condition after movement of an object downhole that engages directly or indirectly with the triggering system, and the igniter arranged to ignite the energetic material in the closed condition of the electrical circuit. In the open condition of the electrical circuit the igniter is inactive, and in the closed condition of the electrical circuit the igniter is activated.
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公开(公告)号：US10221641B2
公开(公告)日：2019-03-05
申请号：US15599101
申请日：2017-05-18
申请人： Zhihui Zhang , Zhiyue Xu , Goang-Ding Shyu , Juan Carlos Flores Perez , James Doane , Yingqing Xu
发明人： Zhihui Zhang , Zhiyue Xu , Goang-Ding Shyu , Juan Carlos Flores Perez , James Doane , Yingqing Xu
IPC分类号： E21B29/02 , E21B41/00 , E21B23/04 , E21B31/00 , E21B31/107 , E21B41/02 , E21B29/00 , E21B23/03 , E21B33/037 , C22C18/00 , C22C19/00 , E21B34/06
摘要： A downhole assembly includes a matrix material and a unit in contact with the matrix material. The unit includes a core having an energetic material, an activator disposed in direct contact with the core, and at least one layer disposed on the core. The activator includes a triggering system having an igniter and a pre-set timer connected in an electrical circuit. The igniter is inactive in an open condition of the electrical circuit, and, after a pre-set time period, the pre-set timer closes the electrical circuit and the igniter is activated.
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9.发明申请公开(公告)号：US20180171738A1
公开(公告)日：2018-06-21
申请号：US15599081
申请日：2017-05-18
申请人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
发明人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
CPC分类号： E21B29/02 , E21B33/12 , E21B34/06 , E21B43/116 , E21B43/1185 , E21B43/26 , E21B47/00 , E21B47/06 , E21B47/122 , E21B47/124 , E21B47/18 , E21B2034/005
摘要： A downhole assembly arranged within a borehole includes a downhole tool including a degradable-on-demand material, the degradable-on-demand material including: a matrix material; and, an energetic material configured to generate energy upon activation to facilitate the degradation of the downhole tool; and, a triggering system including: an electrical circuit; an igniter in the electrical circuit arranged to ignite the energetic material; a sensor configured to sense a target event or parameter within the borehole; and, a control unit arranged to receive sensed signals from the sensor and to deliver a start signal to the electrical circuit in response to the sensed signals indicating an occurrence of the target event or parameter; wherein, after the start signal is delivered from the control unit, the electrical circuit is closed and the igniter is initiated.
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10.发明申请公开(公告)号：US20180171737A1
公开(公告)日：2018-06-21
申请号：US15599031
申请日：2017-05-18
申请人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
发明人： Zhiyue Xu , James Doane , Yingqing Xu , Zhihui Zhang
CPC分类号： E21B29/02 , E21B33/1204 , E21B34/14 , E21B43/1185 , E21B2034/007
摘要： A downhole assembly includes a downhole tool including a degradable-on-demand material including: a matrix material; and, an energetic material configured to generate energy upon activation to facilitate the degradation of the downhole tool; and, a triggering system including: an electrical circuit having an open condition and a closed condition, the electrical circuit configured to be in the closed condition after movement of an object downhole that engages directly or indirectly with the triggering system; and, an igniter within the electrical circuit, the igniter arranged to ignite the downhole tool in the closed condition of the electrical circuit. In the open condition of the electrical circuit the igniter is inactive, and in the closed condition of the electrical circuit the igniter is activated.
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