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31.发明申请SYSTEM AND METHOD FOR RAIALLY EXPANDING A TUBULAR ELEMENT COMPRISING AN EMERGENCY BLOW-OUT PREVENTER 审中-公开用于轻度扩展包含紧急防喷器的管状元件的系统和方法公开(公告)号：US20130220639A1
公开(公告)日：2013-08-29
申请号：US13883238
申请日：2011-11-04
CPC分类号： E21B43/108 , E21B7/20 , E21B33/06 , E21B43/103
摘要： The invention provides a system for lining a wellbore, and a method for using said system. The system comprises: a drill string (20) for drilling the wellbore; an expandable tubular element (4) enclosing the drill string, wherein a lower end portion of a wall of the expandable tubular element is bent (14) radially outward and in axially reverse direction to define an expanded tubular section (10) extending around an unexpanded tubular section (8); a pushing device (50) for pushing the unexpanded section into the expanded tubular section; a blow-out preventer (302) for closing off the wellbore in case of an emergency. Herein the blow-out preventer encloses the unexpanded tubular section and comprises a cutter (320) for cutting the unexpanded tubular section and at least one closure device (324) for closing the wellbore.
摘要翻译： 本发明提供了一种用于衬里井筒的系统，以及一种使用该系统的方法。 该系统包括：用于钻井的钻柱（20）; 包围钻柱的可膨胀管状元件（4），其中可膨胀管状元件的壁的下端部分径向向外并沿轴向相反的方向弯曲（14），以限定在未膨胀的周围延伸的膨胀管状部分（10） 管状部分（8）; 推动装置（50），用于将未膨胀部分推入膨胀管部; 在紧急情况下用于关闭井眼的防喷器（302）。 这里，吹出防护器封闭未膨胀的管状部分，并且包括用于切割未膨胀的管状部分的切割器（320）和用于封闭井筒的至少一个封闭装置（324）。
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公开(公告)号：US08479843B2
公开(公告)日：2013-07-09
申请号：US12746998
申请日：2008-12-09
IPC分类号： E21B43/00
CPC分类号： E21B7/20 , E21B43/103
摘要： A system for drilling a wellbore into an earth formation comprises an expandable tubular element extending into the wellbore, wherein a lower end portion of the wall of the tubular element extends radially outward and in an axially reverse direction so as to define an expanded tubular section extending around a remaining tubular section of the tubular element. The expanded tubular section is extendable by downward movement of the remaining tubular section relative to the expanded tubular section whereby said lower end portion of the wall bends radially outward and in an axially reverse direction. A drill string extends through the remaining tubular section into the wellbore, such that a space is formed between the drill string and the remaining tubular section, and the system further comprises sealing means arranged to seal said space from an open-hole lower section of the wellbore.
摘要翻译： 用于将井筒钻入地层的系统包括延伸到井筒中的可膨胀管状元件，其中管状元件的壁的下端部分沿径向向外并沿着轴向相反的方向延伸，以便限定扩展的管状部分延伸 围绕管状元件的剩余管状部分。 膨胀的管状部分可通过剩余管状部分相对于膨胀管状部分的向下运动而延伸，从而所述壁的下端部分径向向外并沿着轴向相反的方向弯曲。 钻柱穿过剩余的管状部分延伸到井眼中，使得在钻柱和剩余的管状部分之间形成空间，并且系统还包括密封装置，其被设置成将所述空间与孔的下部 井筒
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公开(公告)号：US08387709B2
公开(公告)日：2013-03-05
申请号：US12746995
申请日：2008-12-11
IPC分类号： E21B19/00
CPC分类号： E21B43/103
摘要： A method for radially expanding a tubular element in a wellbore formed in an earth formation comprises arranging the tubular element in the wellbore such that a lower end portion of the wall of the tubular element extends radially outward and in an axially reverse direction so as to define an expanded tubular section extending around a remaining tubular section of the tubular element, and axially extending the expanded tubular section by moving the remaining tubular section a selected distance downward relative to the expanded tubular section so that said lower end portion of the wall bends radially outward and in an axially reverse direction. The remaining tubular section is axially extended at an upper end thereof with an extended tubular portion of a length at least equal to said distance of downward movement of the remaining tubular section.
摘要翻译： 用于在形成在地层中的井眼中径向膨胀管状元件的方法包括将管状元件布置在井眼中，使得管状元件的壁的下端部分沿径向向外并沿轴向相反的方向延伸，以便限定 延伸的管状部分围绕管状元件的剩余管状部分延伸，并且通过相对于膨胀的管状部分向下移动剩余的管状部分而使其延伸的管状部分轴向地延伸，使得所述壁的所述下端部径向向外弯曲 并沿轴向反向。 剩余的管状部分在其上端处轴向延伸，其长度至少等于所述剩余管状部分的向下运动的所述距离的延伸管状部分。
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公开(公告)号：US08316932B2
公开(公告)日：2012-11-27
申请号：US12747090
申请日：2008-12-11
IPC分类号： E21B19/08
CPC分类号： E21B43/103 , E21B7/20 , E21B21/12
摘要： A wellbore system comprises a wellbore extending into an earth formation, the wellbore containing a body of fluid, and an expandable tubular element arranged in the wellbore, wherein a lower end portion of the wall of the tubular element is bent radially outward and in an axially reverse direction so as to define an expanded tubular section extending around a remaining tubular section of the tubular element. The expanded tubular section is axially extendable by downward movement of the remaining tubular section relative to the expanded tubular section. The body of fluid is located in the remaining tubular section, and a fluid conduit extends from the body of fluid to a location above the remaining tubular section, the fluid conduit being movable in upward direction relative to the remaining tubular section.
摘要翻译： 井筒系统包括延伸到地层中的井眼，井筒包含一体的流体，以及布置在井眼中的可膨胀管状元件，其中管状元件的壁的下端部分径向向外弯曲并沿轴向 以便限定围绕管状元件的剩余管状部分延伸的膨胀的管状部分。 膨胀的管状部分通过剩余管状部分相对于膨胀的管状部分向下运动而可轴向延伸。 流体的主体位于剩余的管状部分中，并且流体导管从流体主体延伸到剩余管状部分上方的位置，流体导管可相对于剩余的管状部分在向上方向上移动。
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公开(公告)号：US08267184B2
公开(公告)日：2012-09-18
申请号：US12743992
申请日：2008-11-20
IPC分类号： E21B19/00
CPC分类号： E21B43/103
摘要： A method of radially expanding a tubular element extending into a wellbore formed in an earth formation comprises inducing the wall of the tubular element to bend radially outward and in an axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, wherein the bending occurs in a bending zone of the tubular element. The bending zone is induced to move in an axial direction relative to the remaining tubular section to increase the length of the expanded tubular section. An annular space is formed between the expanded tubular section and the remaining tubular section, wherein the method further comprises arranging a seal element in the annular space to define an upper portion and a lower portion of the annular space, the upper and lower portions being sealed from each other by the seal element.
摘要翻译： 径向扩张管状元件的方法，该管状元件延伸到形成在地层中的井眼中，包括引导管状元件的壁沿径向向外并沿着轴向相反的方向弯曲，以便形成围绕剩余的管状部分 管状元件，其中弯曲发生在管状元件的弯曲区域中。 诱导弯曲区域相对于剩余的管状部分在轴向方向上移动以增加膨胀的管状部分的长度。 在所述膨胀的管状部分和所述剩余的管状部分之间形成环形空间，其中所述方法还包括在所述环形空间中布置密封元件以限定所述环形空间的上部和下部，所述上部和下部被密封 通过密封元件彼此。
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公开(公告)号：US20120138314A1
公开(公告)日：2012-06-07
申请号：US13307674
申请日：2011-11-30
CPC分类号： E21B19/22 , E21B43/103 , E21B43/105
摘要： A system and method for radially expanding a tubular element. The method comprises the steps of bending the tubular element radially outward and in axially reverse direction so as to form an expanded tubular section extending around an unexpanded tubular section, wherein bending occurs in a bending zone; and increasing the length of the expanded tubular section by inducing the respective bending zones of the layers to move in axial direction relative to the unexpanded tubular section. The tubular element comprises a first layer, a second layer extending around the first layer, and a third layer interconnecting the first layer and the second layer and allowing the first layer and the second layer to shift relative to each other near the bending zone.
摘要翻译： 一种用于径向膨胀管状元件的系统和方法。 该方法包括以下步骤：径向向外并沿轴向相反的方向弯曲管状元件，以形成围绕未膨胀的管状部分延伸的膨胀的管状部分，其中弯曲发生在弯曲区域中; 并且通过使各层的相应弯曲区域相对于未膨胀的管状部分在轴向上移动来增加膨胀的管状部分的长度。 管状元件包括第一层，围绕第一层延伸的第二层和互连第一层和第二层的第三层，并允许第一层和第二层在弯曲区附近相对于彼此移动。
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公开(公告)号：US20100294487A1
公开(公告)日：2010-11-25
申请号：US12746998
申请日：2008-12-09
CPC分类号： E21B7/20 , E21B43/103
摘要： A system for drilling a wellbore into an earth formation comprises an expandable tubular element extending into the wellbore, wherein a lower end portion of the wall of the tubular element extends radially outward and in an axially reverse direction so as to define an expanded tubular section extending around a remaining tubular section of the tubular element. The expanded tubular section is extendable by downward movement of the remaining tubular section relative to the expanded tubular section whereby said lower end portion of the wall bends radially outward and in an axially reverse direction. A drill string extends through the remaining tubular section into the wellbore, such that a space is formed between the drill string and the remaining tubular section, and the system further comprises sealing means arranged to seal said space from an open-hole lower section of the wellbore.
摘要翻译： 用于将井筒钻入地层的系统包括延伸到井筒中的可膨胀管状元件，其中管状元件的壁的下端部分沿径向向外并沿着轴向相反的方向延伸，以便限定扩展的管状部分延伸 围绕管状元件的剩余管状部分。 膨胀的管状部分可通过剩余管状部分相对于膨胀管状部分的向下运动而延伸，从而所述壁的下端部分径向向外并沿着轴向相反的方向弯曲。 钻柱穿过剩余的管状部分延伸到井眼中，使得在钻柱和剩余的管状部分之间形成空间，并且系统还包括密封装置，其被设置成将所述空间与孔的下部 井筒
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公开(公告)号：US20100243275A1
公开(公告)日：2010-09-30
申请号：US12743992
申请日：2008-11-20
IPC分类号： E21B43/10
CPC分类号： E21B43/103
摘要： A method is disclosed of radially expanding a tubular element extending into a wellbore formed in an earth formation, the method comprising inducing the wall of the tubular element to bend radially outward and in axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, wherein said bending occurs in a bending zone of the tubular element. The bending zone is induced to move in axial direction relative to the remaining tubular section to increase the length of the expanded tubular section. An annular space is formed between the expanded tubular section and the remaining tubular section, wherein the method further comprises arranging a seal element in the annular space to define an upper portion and a lower portion of the annular space, said upper and lower portions being sealed from each other by the seal element.
摘要翻译： 公开了一种径向膨胀管状元件的方法，该管状元件延伸到形成于地层中的井眼中，该方法包括引导管状元件的壁径向向外并沿轴向相反的方向弯曲，从而形成围绕 管状元件的剩余管状部分，其中所述弯曲发生在管状元件的弯曲区域中。 诱导弯曲区域相对于剩余的管状部分在轴向方向上移动以增加膨胀的管状部分的长度。 在所述膨胀的管状部分和所述剩余的管状部分之间形成环形空间，其中所述方法还包括在所述环形空间中布置密封元件以限定所述环形空间的上部和下部，所述上部和下部被密封 通过密封元件彼此。
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公开(公告)号：US20090255689A1
公开(公告)日：2009-10-15
申请号：US12515456
申请日：2007-11-20
CPC分类号： E21B43/103 , E21B43/105
摘要： A method is provided of radially expanding a tubular element. The method comprises inducing the wall of the tubular element to bend radially outward and in axially reverse direction so as to form an expanded section of the tubular element extending around an unexpanded section of the tubular element, wherein said bending occurs in a bending zone of the wall, and wherein an annular space is defined between the unexpanded and expanded sections. At least one guide member is located in the annular space, each guide member being arranged to guide the wall during said bending so that the wall bends at an increased bending radius relative to bending of the wall in case the guide member is absent from the annular space.
摘要翻译： 提供了径向膨胀管状元件的方法。 该方法包括诱导管状元件的壁径向向外并沿着轴向相反的方向弯曲，以形成围绕管状元件的未膨胀部分延伸的管状元件的膨胀部分，其中所述弯曲发生在管状元件的弯曲区域 壁，并且其中在未膨胀部分和膨胀部分之间限定环形空间。 至少一个引导构件位于环形空间中，每个引导构件被布置成在所述弯曲期间引导壁，使得在引导构件不存在环形的情况下，壁相对于壁的弯曲以增加的弯曲半径弯曲 空间。
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公开(公告)号：US07104344B2
公开(公告)日：2006-09-12
申请号：US10490173
申请日：2002-09-19
摘要： Device and method for drilling into geological formations. The device comprises: a rotatable body; drilling cutters arranged on an axial end surface of the rotatable body; a percussion part, which is parallel to the rotating axis reciprocatable arranged on said body; and percussion cutters arranged on an axial end surface of the percussion part. The method comprises the steps of: bringing a percussion part with a percussive movement in contact with the formation in order to crack at least a part of the formation, and scraping the cracked parts of the formation with a drilling part.
摘要翻译： 钻进地质构造的装置和方法。 该装置包括：可旋转体; 布置在可旋转体的轴向端面上的钻孔刀; 平行于布置在所述主体上的可往复运动的旋转轴线的冲击部分; 以及布置在冲击部件的轴向端面上的冲击刀。 该方法包括以下步骤：使敲击运动与地层相接触，以便破裂地层的至少一部分，并用钻孔部分刮除地层的裂纹部分。
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