公开(公告)号：US20160183453A1

公开(公告)日：2016-06-30

申请号：US14588161

申请日：2014-12-31

Applicant: Ian Doane ,  James Doane

Inventor： Ian Doane ,  James Doane

IPC: A01D34/416

CPC classification number: A01D34/4161

Abstract: A vegetation trimmer with a hub and spool assembly has a cutting filament wound around the spool. The free end of the filament extends through an aperture in the hub into the cutting plane. The hub and spool are rotated at a high rate to allow the filament to cut vegetation. The spool includes a plurality of arms which engage with arms on the hub. When the spool is acted upon, the arms on the spool disengage with the arms on the hub to permit relative rotation of the spool to the hub to feed additional filament into the cutting plane. An indexing feature is used to regulate the amount of additional cutting filament that is allowed to be fed into the cutting plane. The arms on the hub selectively engage with the arms on the spool to limit the axial movement between the spool and the hub. Quick removal is permitted when the spool is rotated relative to the hub and spool assembly, and the arms on the hub no longer limit the axial movement of the spool, and the spool is removed from the hub and spool assembly.

Abstract translation: 具有轮毂和卷轴组件的植被修剪器具有围绕卷轴缠绕的切割细丝。 灯丝的自由端延伸穿过轮毂中的孔进入切割平面。 轮毂和卷轴以高速旋转以允许细丝切割植被。 卷轴包括与轮毂上的臂接合的多个臂。 当阀芯作用时，阀芯上的臂与轮毂上的臂脱离，以允许阀芯相对于轮毂旋转，以将另外的细丝进入切割平面。 使用分度特征来调节允许进入切割平面的附加切割长丝的数量。 轮毂上的臂选择性地与卷轴上的臂接合以限制卷轴和轮毂之间的轴向运动。 当阀芯相对于轮毂和阀芯组件旋转时，允许快速拆卸，并且轮毂上的臂不再限制阀芯的轴向运动，并且阀芯从轮毂和阀芯组件中移除。

公开(公告)号：US12078032B2

公开(公告)日：2024-09-03

申请号：US17668268

申请日：2022-02-09

Applicant: James Doane ,  Kyle Henagan ,  Marc Samuelson

Inventor： James Doane ,  Kyle Henagan ,  Marc Samuelson

IPC: E21B41/00 ,  E21B17/06

CPC classification number: E21B41/0078 ,  E21B17/06

Abstract: A downhole tool, a nozzle assembly for the downhole tool and a nozzle. The nozzle assembly includes an orifice in a housing of the downhole tool. The orifice has a housing groove. A nozzle is insertable into the orifice, the nozzle including a nozzle groove. A release member secures the nozzle to the housing by disposing a first portion of the release member in the housing groove and a second portion of the release member in the nozzle groove. The first portion is removable from the second portion upon applying a force to the nozzle above a release threshold. The nozzle includes a body having an outlet end, a nozzle groove on a surface of the body for receiving a release member to secure the nozzle within a housing, and a seal groove for isolating the nozzle groove from an environment at the outlet end.

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：US20190112887A1

公开(公告)日：2019-04-18

申请号：US15784882

申请日：2017-10-16

Applicant: YingQing Xu ,  Beau Wright ,  Zhiyue Xu ,  James Doane ,  Mike Johnson ,  Jack Farmer ,  David Ruddock

Inventor： YingQing Xu ,  Beau Wright ,  Zhiyue Xu ,  James Doane ,  Mike Johnson ,  Jack Farmer ,  David Ruddock

IPC: E21B29/02 ,  E21B33/12

Abstract: A tubular includes an outer surface and an inner surface defining a passage. A plug is arranged in the tubular blocking the passage. The plug is formed from a disintegrating on demand (DOD) material. An ignition device is coupled to the plug. An excitation mechanism is selectively operatively associated with the ignition device. The excitation mechanism selectively activates the ignition device to break apart the plug.

公开(公告)号：US20180291699A1

公开(公告)日：2018-10-11

申请号：US15482249

申请日：2017-04-07

Applicant: Yingqing Xu ,  Zhiyue Xu ,  James Doane

Inventor： Yingqing Xu ,  Zhiyue Xu ,  James Doane

IPC: E21B33/12 ,  E21B43/26

CPC classification number: E21B33/1208 ,  E21B43/26

Abstract: A downhole tool including a housing, a first portion of a trigger mechanism disposed in the housing, a degradable-on-command component movably disposed within the housing, a second portion of the trigger mechanism disposed in the component, the component being configured to positionally respond to an external input to dispose the first portion and second portion in operational contact with one another resulting in an initiation of degradation of the degradable-on-command component. A method for removing a component of a downhole tool

公开(公告)号：US20180283142A1

公开(公告)日：2018-10-04

申请号：US15599128

申请日：2017-05-18

Applicant: Zhihui Zhang ,  Zhiyue Xu ,  Goang-Ding Shyu ,  Juan Carlos Flores Perez ,  James Doane ,  Yingqing Xu

Inventor： Zhihui Zhang ,  Zhiyue Xu ,  Goang-Ding Shyu ,  Juan Carlos Flores Perez ,  James Doane ,  Yingqing Xu

IPC: E21B41/00 ,  E21B23/04 ,  E21B31/00 ,  E21B31/107 ,  E21B41/02

CPC classification number: E21B29/02 ,  C22C18/00 ,  C22C19/00 ,  E21B23/03 ,  E21B23/04 ,  E21B29/00 ,  E21B31/002 ,  E21B31/107 ,  E21B31/1075 ,  E21B33/0375 ,  E21B33/134 ,  E21B34/066 ,  E21B41/0085 ,  E21B41/02

Abstract: 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.

公开(公告)号：US20180283141A1

公开(公告)日：2018-10-04

申请号：US15599101

申请日：2017-05-18

Applicant: Zhihui Zhang ,  Zhiyue Xu ,  Goang-Ding Shyu ,  Juan Carlos Flores Perez ,  James Doane ,  Yingqing Xu

Inventor： Zhihui Zhang ,  Zhiyue Xu ,  Goang-Ding Shyu ,  Juan Carlos Flores Perez ,  James Doane ,  Yingqing Xu

IPC: E21B41/00 ,  E21B23/04 ,  E21B31/00 ,  E21B31/107 ,  E21B41/02

CPC classification number: E21B29/02 ,  C22C18/00 ,  C22C19/00 ,  E21B23/03 ,  E21B23/04 ,  E21B29/00 ,  E21B31/002 ,  E21B31/107 ,  E21B31/1075 ,  E21B33/0375 ,  E21B33/134 ,  E21B34/066 ,  E21B41/0085 ,  E21B41/02

Abstract: 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.

公开(公告)号：US20130025887A1

公开(公告)日：2013-01-31

申请号：US13190865

申请日：2011-07-26

Applicant: Bennett Richard ,  James Doane

Inventor： Bennett Richard ,  James Doane

IPC: E21B33/12

CPC classification number: E21B33/1285

Abstract: A packer arrangement for forming a seal between an inner member and an outer tubular string in a borehole includes an outer tubular string member having a chamber portion; and a packer device disposed at least partially within the chamber portion and including a sealing element for forming a seal against an inner member, the packer device including a degradable layer, the degradable layer temporarily and at least partially protecting the sealing element and method of establishing a seal.

Abstract translation: 用于在钻孔中形成内部构件和外部管状柱之间的密封的封隔器装置包括具有腔室部分的外部管状构件构件; 以及封隔器装置，其至少部分地设置在所述室部内，并且包括用于形成与内部构件密封的密封元件，所述封隔器装置包括可降解层，所述可降解层暂时地并且至少部分地保护所述密封元件和建立方法 印章。

公开(公告)号：US11499385B2

公开(公告)日：2022-11-15

申请号：US17162397

申请日：2021-01-29

Applicant: James Doane ,  Christopher Young ,  Gary Anderson ,  David Ruddock

Inventor： James Doane ,  Christopher Young ,  Gary Anderson ,  David Ruddock

IPC: E21B23/02 ,  E21B23/10 ,  E21B33/12

Abstract: A releasable locking assembly including a housing, a body defining a longitudinally extending flow bore having a first end and a second end disposed within the housing, a window defined through a radial wall of the body, a locking segment having an outer convex surface of a first radius defined by distance from a first axis, and an inner concave surface of a second radius defined by distance from a second axis different than the first axis, the locking segment disposed at least in part in the window, and a support member disposed within the body and moveable between a position where the support member drives the locking segment into engagement with the housing and a position where the support member unsupports the locking segment with regard to engagement with the housing.

公开(公告)号：US10822898B2

公开(公告)日：2020-11-03

申请号：US15983598

申请日：2018-05-18

Applicant: James Doane

Inventor： James Doane

IPC: E21B23/00 ,  E21B23/04 ,  E21B23/01 ,  E21B33/128

Abstract: A settable device including a radially enlargeable portion, a force retention pathway operably connected to the radially enlargeable portion to maintain a setting force to the radially enlargeable portion, a material disposed within the force retention pathway of the device, the material retaining force when in solid form and disengaging force retention when in fluid form.