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1.发明授权Method and system for radially expanding a tubular element and directional drilling 有权用于径向膨胀管状元件和定向钻孔的方法和系统公开(公告)号：US09464481B2
公开(公告)日：2016-10-11
申请号：US13979518
申请日：2012-01-12
CPC分类号： E21B7/062 , E21B7/067 , E21B7/068 , E21B7/20 , E21B43/103 , E21B43/108
摘要： The invention relates to 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; increasing the length of the expanded tubular section by pushing the unexpanded tubular section in axial direction relative to the expanded tubular section; operating a drill string, which extends through the unexpanded tubular section and is provided with a drill bit at a downhole end thereof, to drill a borehole; and operating directional drilling means, which are coupled to the drill string, to deviate the borehole and direct the borehole along a predetermined path.
摘要翻译： 本发明涉及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; 通过相对于膨胀的管状部分沿轴向推动未膨胀的管状部分来增加膨胀的管状部分的长度; 操作钻柱，其延伸穿过未膨胀的管状部分，并在其井下端设有钻头，以钻孔; 以及联接到钻柱的操作定向钻井装置，以偏离钻孔并沿着预定路径引导钻孔。
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公开(公告)号：US09303458B2
公开(公告)日：2016-04-05
申请号：US13990953
申请日：2011-12-01
CPC分类号： E21B7/20 , B21D7/00 , B21D7/162 , E21B43/103
摘要： The invention relates to a system and method for radially expanding a tubular element (8). The method comprises the steps of bending the tubular element (8) radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around an unexpanded tubular section (8) wherein bending occurs in a bending zone (14); and increasing the length of the expanded tubular section (10) by inducing the bending zone (14) to move in axial direction relative to the unexpanded tubular section (8). The method includes the further step of heating the bending zone. Several embodiments to enable heating are described.
摘要翻译： 本发明涉及一种用于径向膨胀管状元件（8）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（8），以形成围绕未膨胀的管状部分（8）延伸的膨胀的管状部分（10），其中在弯曲区域（14）中发生弯曲， ; 并且通过使弯曲区域（14）相对于未膨胀的管状部分（8）在轴向上移动来增加膨胀的管状部分（10）的长度。 该方法包括加热弯曲区域的另外的步骤。 描述了能够加热的几个实施例。
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公开(公告)号：US20130213669A1
公开(公告)日：2013-08-22
申请号：US13883221
申请日：2011-11-04
IPC分类号： E21B43/10
CPC分类号： E21B43/103 , E21B7/20 , E21B33/068
摘要： The invention discloses a system (FIG. 1) and a method for lining a wellbore. The system comprises a drill string (20) for drilling the wellbore; an expandable tubular element (84) enclosing the drill string (20), wherein a lower end portion of a wall of the expandable tubular element (14) is bent radially outward and in axially reverse direction to define an expanded tubular section (10) extending around an unexpanded tubular section (8); a pushing device (42) for pushing the unexpanded tubular section (8) into the expanded tubular section (10); and a releasable drilling annulus sealing device (70) for closing an annular opening between an upper end of the expandable tubular element and the drill string.
摘要翻译： 本发明公开了一种系统（图1）和用于衬砌井眼的方法。 该系统包括用于钻井的钻柱（20）; 包围钻柱（20）的可膨胀的管状元件（84），其中可膨胀管状元件（14）的壁的下端部分径向向外并且沿轴向相反的方向弯曲以限定扩展的管状部分（10） 围绕未膨胀的管状部分（8）; 推动装置（42），用于将未膨胀的管状部分（8）推入膨胀的管状部分（10）中; 以及用于封闭可膨胀管状元件的上端和钻柱之间的环形开口的可释放钻孔环形密封装置（70）。
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公开(公告)号：US08141647B2
公开(公告)日：2012-03-27
申请号：US12515456
申请日：2007-11-20
IPC分类号： E21B43/10
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 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：US20100276202A1
公开(公告)日：2010-11-04
申请号：US12743644
申请日：2008-11-19
CPC分类号： E21B43/103 , E21B7/20
摘要： A method of drilling a wellbore (1) into an earth formation is disclosed. The method comprises arranging a drill string (6) and an expandable tubular element (8) coaxially in the wellbore, the drill string having an axially extending fluid passage (30), the tubular element surrounding the drill string and having a lower end bent (12) radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around a remaining tubular section of the tubular element, said lower end defining a bending zone of the tubular element, wherein an annular space is formed between the drill string and the remaining tubular section.
摘要翻译： 公开了将井眼（1）钻入地层的方法。 该方法包括将钻柱（6）和可扩展管状元件（8）同轴地布置在井筒中，钻柱具有轴向延伸的流体通道（30），管状元件围绕钻柱并具有下端弯曲 12）径向向外并且沿轴向相反的方向，以便形成围绕所述管状元件的剩余管状部分延伸的扩张管状部分（10），所述下端限定所述管状元件的弯曲区域，其中，环形空间 钻柱和剩余的管状部分。
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公开(公告)号：US20100270036A1
公开(公告)日：2010-10-28
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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7.发明授权公开(公告)号：US09422795B2
公开(公告)日：2016-08-23
申请号：US14127273
申请日：2012-06-29
CPC分类号： E21B43/103 , E21B7/20
摘要： The invention provides a method and system for radially expanding a tubular element below a previous tubular element.
摘要翻译： 本发明提供了一种用于在先前的管状元件下方径向膨胀管状元件的方法和系统。
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公开(公告)号：US20150101803A1
公开(公告)日：2015-04-16
申请号：US14399476
申请日：2013-05-06
CPC分类号： E21B43/108 , E21B7/20 , E21B21/002 , E21B43/103
摘要： The invention provides a method and system for sealing an annulus enclosing a tubular element in a wellbore. The method comprises the steps of: i) introducing a first drilling fluid in the wellbore; ii) drilling an open hole section of the wellbore using a drilling tool suspended at the end of a tool string; iii) pumping a second drilling fluid comprising particles into the wellbore; iv) filtering the particles out of the second drilling fluid near a downhole end of the tubular element; v) extending the tubular element into the open hole section of the wellbore while directing at least part of the filtered particles to an annulus between the tubular element and a wellbore wall. Steps i) to v) may be repeated as often as required.
摘要翻译： 本发明提供了一种用于密封围绕井筒中的管状元件的环的方法和系统。 该方法包括以下步骤：i）将第一钻井流体引入井眼; ii）使用悬挂在工具串末端的钻具钻钻井孔的开孔部分; iii）将包含颗粒的第二钻井液泵送到井筒中; iv）将所述颗粒从所述管状元件的井下端附近的所述第二钻井液中过滤; v）将管状元件延伸到井眼的开孔部分中，同时将至少部分过滤的颗粒引导到管状元件和井筒壁之间的环形空间。 步骤i）至v）可以根据需要经常重复。
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9.发明申请公开(公告)号：US20140131053A1
公开(公告)日：2014-05-15
申请号：US14127273
申请日：2012-06-29
IPC分类号： E21B43/10
CPC分类号： E21B43/103 , E21B7/20
摘要： The invention provides a method and system for radially expanding a tubular element below a previous tubular element. The method includes: connecting a downhole section to an uphole section of the tubular element, the downhole section having a smaller diameter than the uphole section; bending a downhole end of the downhole section radially outward and in axially reverse direction to form a start expanded tubular section extending around an unexpanded part of the downhole section; arranging said start expanded tubular section at least partially within a downhole end of the previous tubular element; anchoring said start expanded tubular section to the previous tubular element; and increasing the length of an expanded tubular section of the tubular element by pushing an unexpanded tubular section downhole relative to said start expanded tubular section to expand the unexpanded tubular section by bending the wall of the unexpanded tubular section radially outward and in axially reverse direction.
摘要翻译： 本发明提供了一种用于在先前的管状元件下方径向膨胀管状元件的方法和系统。 该方法包括：将井下部分连接到管状元件的井上部分，井下部分的直径小于井眼部分的直径; 将井下部分的井下端径向向外并沿轴向相反方向弯曲，以形成围绕井下部分的未膨胀部分延伸的起始膨胀管段; 将所述起始膨胀的管状部分至少部分地设置在先前管状元件的井下端内; 将所述开始膨胀的管状部分锚固到先前的管状元件; 并且通过相对于所述起始膨胀的管状部分在井下推动未膨胀的管状部分来增加管状元件的膨胀的管状部分的长度，以通过使未膨胀的管状部分的壁沿径向向外并沿轴向相反的方向弯曲而膨胀未膨胀的管状部分。
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公开(公告)号：US08196669B2
公开(公告)日：2012-06-12
申请号：US12743644
申请日：2008-11-19
CPC分类号： E21B43/103 , E21B7/20
摘要： A method of drilling a wellbore (1) into an earth formation is disclosed. The method comprises arranging a drill string (6) and an expandable tubular element (8) coaxially in the wellbore, the drill string having an axially extending fluid passage (30), the tubular element surrounding the drill string and having a lower end bent (12) radially outward and in axially reverse direction so as to form an expanded tubular section (10) extending around a remaining tubular section of the tubular element, said lower end defining a bending zone of the tubular element, wherein an annular space is formed between the drill string and the remaining tubular section.
摘要翻译： 公开了将井眼（1）钻入地层的方法。 该方法包括将钻柱（6）和可扩展管状元件（8）同轴地布置在井筒中，钻柱具有轴向延伸的流体通道（30），管状元件围绕钻柱并具有下端弯曲 12）径向向外并且沿轴向相反的方向，以便形成围绕所述管状元件的剩余管状部分延伸的扩张管状部分（10），所述下端限定所述管状元件的弯曲区域，其中，环形空间 钻柱和剩余的管状部分。
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