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公开(公告)号：US08632047B2
公开(公告)日：2014-01-21
申请号：US13019421
申请日：2011-02-02
IPC分类号： E21B33/06
CPC分类号： E21B33/063 , B23D21/006 , B23D35/001
摘要： A pair of shear blades and a blowout preventer having the pair of shear blades. The shear blades are configured to cut a tubular inside the blowout preventer. The shear blades have different geometries of the front cutting surfaces. One geometry promotes a secure positioning of the tubular relative to the first blade while the second geometry promotes a puncturing of the tubular by the second blade.
摘要翻译： 一对剪切刀片和具有一对剪切刀片的防喷器。 剪切刀片构造成在防喷器内部切割管状物。 剪切刀片具有不同的前切割表面的几何形状。 一个几何形状促进了管状物相对于第一刀片的牢固定位，而第二几何形状促进了第二刀片对管状物的刺穿。
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公开(公告)号：US08505870B2
公开(公告)日：2013-08-13
申请号：US13019438
申请日：2011-02-02
申请人： Seemant Yadav , Luis Melendez
发明人： Seemant Yadav , Luis Melendez
IPC分类号： E21B33/06
CPC分类号： E21B33/063 , Y10T83/9447
摘要： A pair of shear blades and a blowout preventer having the pair of shear blades. The shear blades are configured to cut a tubular inside the blowout preventer. The shear blades have different geometries of the front cutting surfaces. One geometry promotes a secure positioning of the tubular relative to the first blade while the second geometry promotes a puncturing of the tubular by the second blade.
摘要翻译： 一对剪切刀片和具有一对剪切刀片的防喷器。 剪切刀片构造成在防喷器内部切割管状物。 剪切刀片具有不同的前切割表面的几何形状。 一个几何形状促进了管状物相对于第一刀片的牢固定位，而第二几何形状促进了第二刀片对管状物的刺穿。
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公开(公告)号：US08439327B2
公开(公告)日：2013-05-14
申请号：US12643308
申请日：2009-12-21
IPC分类号： E21B33/06
CPC分类号： E21B33/063 , Y10T29/49826 , Y10T29/49963
摘要： A blowout preventer having a first elongated cavity extending along a first axis and a second elongated cavity extending perpendicular to and intersecting the first elongated cavity, a shear block provided in the first elongated cavity and configured to slide along the first axis, where the shear block has a frontal face facing the second elongated cavity and configured to slide towards the second elongated cavity; and a shear blade configured to be attached to the shear block and also configured to shear a tool provided in the second cavity when the shear block slides towards the tool. The frontal face of the shear block has at least a pin region configured to enter a tail region of the shear blade such that the pin region and the tail region form a dovetail joint or the shear block has the tail region and the shear block has the pin region.
摘要翻译： 具有沿着第一轴线延伸的第一细长空腔和垂直于第一细长空腔并与之相交的第二细长空腔的防喷器，设置在第一细长空腔中并构造成沿第一轴线滑动的剪切块，其中剪切块 具有面向所述第二细长空腔并构造成朝向所述第二细长空腔滑动的正面; 以及剪切刀片，其构造成附接到所述剪切块，并且还构造成当所述剪切块向着所述工具滑动时，剪切设置在所述第二腔中的工具。 剪切块的正面具有至少一个销区域，其构造成进入剪切刀片的尾部区域，使得销区域和尾部区域形成燕尾接头，或者剪切块具有尾部区域，并且剪切块具有 引脚区域。
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公开(公告)号：US08408514B2
公开(公告)日：2013-04-02
申请号：US13192908
申请日：2011-07-28
申请人： Seemant Yadav
发明人： Seemant Yadav
IPC分类号： E21B33/06
CPC分类号： E21B33/062 , Y10T29/49826 , Y10T137/0491
摘要： A blowout preventer for sealing a well includes a body having first and second chambers. The first chamber extends substantially perpendicular to and intersecting the second chamber, and the body includes a recess portion on a face of the body. The blowout preventer also includes a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a operator configured to be attached to the body to border the first chamber, wherein the rod is configured to slide in and out of the operator; and a lock ring rotatably attached to the operator and configured to enter the recess portion such that the operator is removably attached to the body.
摘要翻译： 用于密封井的防喷器包括具有第一和第二室的主体。 第一腔室基本上垂直于第二腔室并与之相交，并且主体包括在身体的表面上的凹陷部分。 防喷器还包括一个冲压块，它被构造成在第一腔室内移动以将第二腔室的第一区域与第二腔室的第二区域密封; 杆，连接到压头块并且构造成沿着第一室延伸; 操作器，其构造成附接到所述主体以与所述第一室邻接，其中所述杆被构造成滑入和移出所述操作者; 以及锁定环，其可旋转地附接到操作者并且构造成进入凹部，使得操作者可移除地附接到主体。
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公开(公告)号：US08225857B2
公开(公告)日：2012-07-24
申请号：US12625812
申请日：2009-11-25
申请人： Seemant Yadav , Robert Judge
发明人： Seemant Yadav , Robert Judge
IPC分类号： E21B33/06
CPC分类号： E21B33/062 , E21B17/046 , Y10T137/0491
摘要： A blowout preventer for sealing a well includes a body having first and second chambers, the body including a channel on a face of the body; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a cylinder configured to be attached to the body to border the first chamber, and a ring rotatably attached to the cylinder for attaching the cylinder to the body.
摘要翻译： 用于密封井的防喷器包括具有第一和第二室的主体，主体包括在主体的表面上的通道; 柱塞块，其构造成在所述第一室内移动以将所述第二室的第一区域与所述第二室的第二区域密封; 杆，连接到压头块并且构造成沿着第一室延伸; 构造成附接到主体以与第一室接合的圆筒，以及可旋转地附接到气缸的环，用于将气缸附接到主体。
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公开(公告)号：US08979062B2
公开(公告)日：2015-03-17
申请号：US13192891
申请日：2011-07-28
申请人： Seemant Yadav
发明人： Seemant Yadav
IPC分类号： E21B33/06
CPC分类号： E21B33/062 , Y10T29/49412 , Y10T137/0318
摘要： Method, ram block and ram blowout preventer (BOP) for sealing a well. The BOP includes a body having a first chamber extending along a first direction and a second chamber extending along a second direction, substantially perpendicular to the first direction; a ram block configured to move inside the first chamber, the ram block having a packer region and at least one channel that extends all the way through the ram block; a packer configured to be provided in the packer region to seal a tool provided inside the second chamber; and at least one double piston provided through the at least one channel so that a pressure from the well is transmitted to the packer.
摘要翻译： 方法，冲压块和柱塞防喷器（BOP）密封井。 BOP包括具有沿着第一方向延伸的第一腔室的主体和沿着基本上垂直于第一方向的第二方向延伸的第二腔室; 柱塞块，被构造成在所述第一腔室内移动，所述压头块具有封隔器区域和至少一个通道，所述至少一个通道一直延伸穿过所述压头块; 封隔器，其构造成设置在所述封隔器区域中以密封设置在所述第二室内的工具; 以及至少一个双重活塞，其通过所述至少一个通道设置，使得来自所述井的压力被传递到所述封隔器。
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公开(公告)号：US20110147623A1
公开(公告)日：2011-06-23
申请号：US12643308
申请日：2009-12-21
CPC分类号： E21B33/063 , Y10T29/49826 , Y10T29/49963
摘要： A blowout preventer having a first elongated cavity extending along a first axis and a second elongated cavity extending perpendicular to and intersecting the first elongated cavity, a shear block provided in the first elongated cavity and configured to slide along the first axis, where the shear block has a frontal face facing the second elongated cavity and configured to slide towards the second elongated cavity; and a shear blade configured to be attached to the shear block and also configured to shear a tool provided in the second cavity when the shear block slides towards the tool. The frontal face of the shear block has at least a pin region configured to enter a tail region of the shear blade such that the pin region and the tail region form a dovetail joint or the shear block has the tail region and the shear block has the pin region.
摘要翻译： 具有沿着第一轴线延伸的第一细长空腔和垂直于第一细长空腔并与之相交的第二细长空腔的防喷器，设置在第一细长空腔中并构造成沿第一轴线滑动的剪切块，其中剪切块 具有面向所述第二细长空腔并构造成朝向所述第二细长空腔滑动的正面; 以及剪切刀片，其构造成附接到所述剪切块，并且还构造成当所述剪切块向着所述工具滑动时，剪切设置在所述第二腔中的工具。 剪切块的正面具有至少一个销区域，其构造成进入剪切刀片的尾部区域，使得销区域和尾部区域形成燕尾接头，或者剪切块具有尾部区域，并且剪切块具有 引脚区域。
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公开(公告)号：US20110120699A1
公开(公告)日：2011-05-26
申请号：US12625812
申请日：2009-11-25
申请人： Seemant Yadav , Robert Judge
发明人： Seemant Yadav , Robert Judge
CPC分类号： E21B33/062 , E21B17/046 , Y10T137/0491
摘要： A blowout preventer for sealing a well includes a body having first and second chambers, the body including a channel on a face of the body; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a cylinder configured to be attached to the body to border the first chamber, and a ring rotatably attached to the cylinder for attaching the cylinder to the body.
摘要翻译： 用于密封井的防喷器包括具有第一和第二室的主体，主体包括在主体的表面上的通道; 柱塞块，其构造成在所述第一室内移动以将所述第二室的第一区域与所述第二室的第二区域密封; 杆，连接到压头块并且构造成沿着第一室延伸; 构造成附接到主体以与第一室接合的圆筒，以及可旋转地附接到气缸的环，用于将气缸附接到主体。
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