公开(公告)号：US12055000B2

公开(公告)日：2024-08-06

申请号：US17563541

申请日：2021-12-28

Applicant: YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

Inventor： YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

IPC: E21B33/12 ,  E21B17/10 ,  E21B33/124

CPC classification number: E21B17/1078 ,  E21B33/12 ,  E21B33/124 ,  E21B2200/08

Abstract: 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.

公开(公告)号：US20230203894A1

公开(公告)日：2023-06-29

申请号：US17563541

申请日：2021-12-28

Applicant: YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

Inventor： YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

IPC: E21B17/10 ,  E21B33/124

CPC classification number: E21B17/1078 ,  E21B33/124 ,  E21B2200/08

Abstract: 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.

公开(公告)号：US20210140268A1

公开(公告)日：2021-05-13

申请号：US16680789

申请日：2019-11-12

Applicant: Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

Inventor： Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

IPC: E21B33/134 ,  E21B33/129

Abstract: 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.

公开(公告)号：US20200318741A1

公开(公告)日：2020-10-08

申请号：US16378078

申请日：2019-04-08

Applicant: Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

Inventor： Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

IPC: F16K1/18 ,  E21B23/10 ,  E21B41/00

Abstract: 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.

公开(公告)号：US20150129215A1

公开(公告)日：2015-05-14

申请号：US14605365

申请日：2015-01-26

Applicant: YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

Inventor： YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

IPC: E21B23/06 ,  E21B37/00 ,  E21B33/16 ,  E21B43/24 ,  E21B33/128 ,  E21B43/26

CPC classification number: E21B23/06 ,  B22F1/025 ,  B22F3/04 ,  B22F3/15 ,  B22F3/17 ,  B22F2009/043 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0408 ,  C22C1/0416 ,  C22C32/0005 ,  C22C32/0089 ,  E21B23/01 ,  E21B33/12 ,  E21B33/1208 ,  B22F9/04 ,  B22F2202/03 ,  B22F3/02 ,  B22F3/10

Abstract: A method of treating a formation includes, setting a treating plug within a structure, withdrawing a mandrel from the treating plug after having set the treating plug, maintaining the setting of the treating plug within the structure without a member extending longitudinally through the treating plug, pumping fluid against a plug seated at the treating plug, treating a formation upstream of the treating plug, and disintegrating at least a portion of the treating plug.

Abstract translation: 处理地层的方法包括：将处理塞置于结构内，在设置处理塞之后从处理塞中取出心轴，将处理插头的设置保持在结构内，而没有纵向延伸穿过处理插头的构件， 泵送流体抵靠位于处理塞上的塞子，处理处理塞上游的地层，以及分解处理塞的至少一部分。

公开(公告)号：US20180119520A1

公开(公告)日：2018-05-03

申请号：US15337532

申请日：2016-10-28

Applicant: YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang ,  Lei Zhao

Inventor： YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang ,  Lei Zhao

IPC: E21B41/00

CPC classification number: E21B41/00 ,  E21B4/00

Abstract: A non-ballistic force generating mechanism includes a non-ballistic first actuator operable to output a first force profile defining a first pressure for a first stroke length, and a non-ballistic second actuator operable to output a second force profile following the first force profile, the second force profile defining an second pressure that is substantially greater than the first pressure for a second stroke length that is less than the first stroke length.

公开(公告)号：US20230203893A1

公开(公告)日：2023-06-29

申请号：US17563514

申请日：2021-12-28

Applicant: YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

Inventor： YingQing Xu ,  Zhiyue Xu ,  Zhihui Zhang

IPC: E21B17/10 ,  E21B33/124

CPC classification number: E21B17/1078 ,  E21B33/124 ,  E21B2200/08

Abstract: An arrangement for a buoyant liner or casing string including a shoe plug affixed to the string and configured to hold a pressure differential from a higher pressure outside of the string to a lower pressure inside of the string and to unseat upon a pressure differential of a higher pressure inside of the string to a pressure outside of the string.

公开(公告)号：US11015409B2

公开(公告)日：2021-05-25

申请号：US15699216

申请日：2017-09-08

Applicant: YingQing Xu ,  Zhihui Zhang ,  James Doane ,  Zhiyue Xu

Inventor： YingQing Xu ,  Zhihui Zhang ,  James Doane ,  Zhiyue Xu

IPC: E21B29/02 ,  E21B23/04 ,  E21B43/1185 ,  C06B33/08 ,  C06B33/06

Abstract: A system for degrading a structure includes the structure formed of a degradable-on-demand material, an ignitor arranged to transfer heat to the structure; and, a mechanical impactor movable with respect to the structure, wherein the ignitor increases in temperature upon impact of the mechanical impactor into the ignitor, and heat from the ignitor initiates degradation of the structure.

公开(公告)号：US10975658B2

公开(公告)日：2021-04-13

申请号：US16415650

申请日：2019-05-17

Applicant: Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

Inventor： Zhihui Zhang ,  YingQing Xu ,  Zhiyue Xu

IPC: E21B33/134 ,  C09K8/46

Abstract: A downhole tool for forming a seal in a wellbore includes a housing configured for attachment to a string usable to transport the tool in the wellbore to a target depth; a holding chamber disposed within the housing, the holding chamber configured to receive a combination of a metal, a metal oxide, and a negative thermal expansion material in the holding chamber; an initiator operable to initiate a chemical reaction; a pressure applicator configured to apply pressure to seal material in the holding chamber; and an opening in a surface of the housing through which the seal material is expellable from the holding chamber.

公开(公告)号：US10253590B2

公开(公告)日：2019-04-09

申请号：US15429761

申请日：2017-02-10

Applicant: YingQing Xu ,  Zhihui Zhang ,  Zhiyue Xu

Inventor： YingQing Xu ,  Zhihui Zhang ,  Zhiyue Xu

IPC: E21B33/12 ,  C06B33/00 ,  C06B33/06 ,  C06B33/12

Abstract: A downhole assembly comprises a first article; and a second article having a surface which accommodates a surface shape of the first article, wherein the first article is configured to provide a chemical, heat, or a combination thereof to facilitate the disintegration of the second article. A method comprises disposing a second article in a downhole environment; disposing a first article on the second article; the second article having a surface which accommodates a surface shape of the first article; performing a downhole operation; and disintegrating the first article to provide a chemical, heat, or a combination thereof that facilitates the disintegration of the second article.