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1. 发明申请

WO2016057040A1 HYDRAULIC IMPACT APPARATUS AND METHODS 审中-公开
标题翻译：液压冲击装置及方法
公开(公告)号：WO2016057040A1
公开(公告)日：2016-04-14
申请号：PCT/US2014/059916
申请日：2014-10-09
申请人： IMPACT SELECTOR, INC.
发明人： HRADECKY, Jason Allen
IPC分类号： E21B31/00 , E21B31/113
CPC分类号： E21B31/113
摘要： A hydraulic jar coupled between opposing first and second portions of a downhole tool string. The hydraulic jar includes a housing comprising a shoulder protruding radially inward from an internal surface of the housing, a shaft disposed within the housing, a piston fixedly positioned about the shaft and fluidly sealed against the shoulder, and a pressure relief device. The housing and the shaft move axially relative to each other and the shoulder axially interposes first and second portions of an annulus formed between the shaft and the housing. The pressure relief device controls fluid flow from the first annulus portion to the second annulus portion based on a pressure of the fluid in the first annulus portion relative to a set pressure of the pressure relief device.
摘要翻译：联接在井下工具串的相对的第一和第二部分之间的液压缸。液压缸包括壳体，其包括从壳体的内表面径向向内突出的肩部，设置在壳体内的轴，固定地定位在轴周围且与肩部流体密封的活塞和压力释放装置。壳体和轴相对于彼此轴向移动，并且肩部轴向地插入形成在轴和壳体之间的环形空间的第一和第二部分。压力释放装置基于第一环形部分中的流体相对于减压装置的设定压力的压力来控制从第一环形部分到第二环形部分的流体流动。

2. 发明申请

WO2014210400A2 DOWNHOLE-ADJUSTING IMPACT APPARATUS AND METHODS 审中-公开
标题翻译：井下调整冲击装置和方法
公开(公告)号：WO2014210400A2
公开(公告)日：2014-12-31
申请号：PCT/US2014/044470
申请日：2014-06-26
申请人： IMPACT SELECTOR, INC.
发明人： HRADECKY, Jason Allen
IPC分类号： E21B31/107
CPC分类号： E21B31/107 , E21B17/003 , E21B47/12
摘要： A downhole-adjusting impact apparatus (DAIA) mechanically coupled between opposing first and second portions of a tool string, wherein: the tool string is conveyable within a wellbore extending between a wellsite surface and a subterranean formation; the first tool string portion comprises a first electrical conductor in electrical communication with surface equipment disposed at the wellsite surface; the DAIA comprises a second electrical conductor in electrical communication with the first electrical conductor; and the DAIA is operable to: detect an electrical characteristic of the second electrical conductor; impart a first impact force on the second tool string portion when the electrical characteristic is detected; and impart a second impact force on the second tool string portion when the electrical characteristic is not detected, wherein the second impact force is substantially greater than the first impact force.
摘要翻译：机械地联接在工具串的相对的第一和第二部分之间的井下调节冲击装置（DAIA），其中：工具串可在井场表面和地下地层之间延伸的井眼内传送; 第一工具串部分包括与设置在井场表面处的表面设备电连通的第一电导体; DAIA包括与第一电导体电连通的第二电导体; 并且所述DAIA可操作以：检测所述第二电导体的电特性; 当检测到电特性时，对第二工具串部分施加第一冲击力; 并且当没有检测到电特性时，在第二工具串部分施加第二冲击力，其中第二冲击力基本上大于第一冲击力。

3. 发明申请

WO2015013538A2 WIRELINE ROLLER STANDOFF 审中-公开
公开(公告)号：WO2015013538A2
公开(公告)日：2015-01-29
申请号：PCT/US2014/048066
申请日：2014-07-24
申请人： IMPACT SELECTOR, INC.
发明人： HRADECKY, Jason Allen
IPC分类号： E21B23/00
CPC分类号： E21B17/1057 , E21B23/14
摘要： Apparatus comprising a gripper operable to grip a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations. A body is assembled to the gripper. A plurality of rolling elements are each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore. The body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.
摘要翻译：包括夹具的装置，其可操作地夹持在地球表面和井下工具之间延伸的缆索，其中井下工具悬挂在从地球表面延伸到一个或多个地下地层的井筒中。身体被组装到夹具上。多个滚动元件各自可旋转地联接到主体并且当主体沿井身平移时响应于与井筒的侧壁接触而相对于主体旋转。主体和多个滚动元件相对于夹具共同旋转，因此共同地旋转。

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