公开(公告)号：US20160369587A1

公开(公告)日：2016-12-22

申请号：US15185885

申请日：2016-06-17

申请人： WELLTEC A/S

发明人： Lars STÆHR

IPC分类号： E21B33/12

CPC分类号： E21B33/1208 ,  E21B33/127 ,  E21B43/103 ,  E21B2033/005

摘要： The present invention relates to a downhole expandable metal tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable metal tubular having an outer tubular face and a longitudinal extension and comprising a first circumferential edge and a second circumferential edge provided on the outer tubular face and having a distance along the longitudinal extension, and a circumferential sealing element being arranged between the circumferential edges, wherein the downhole expandable metal tubular further comprises: a circumferential resilient element having an outer face part facing away from the outer tubular face and having an extension along the longitudinal extension, the extension of the circumferential resilient element being smaller than the distance, a space arranged adjacent to the circumferential resilient element in the longitudinal extension, and a first portion of the circumferential sealing element at least partly overlapping the outer face part of the circumferential resilient element, the circumferential resilient element arranged between the portion of the circumferential sealing element and the outer tubular face. Furthermore, the present invention relates to an annular barrier, to a downhole completion system and to a sealing method.

摘要翻译： 本发明涉及一种井下可膨胀金属管，其在井下从第一外径扩大至第二外径以抵靠壳体或钻孔的内表面，井下可膨胀金属管具有外管状面和 所述纵向延伸部分包括设置在所述外管状面上的第一周向边缘和第二周向边缘，并且沿着所述纵向延伸部具有一段距离，并且周向密封元件布置在所述周向边缘之间，其中所述井下可扩张金属管道还包括： 周向弹性元件具有外表面部分，该外表面部分远离外管状面并且具有沿着纵向延伸部的延伸部，周向弹性元件的延伸部小于该距离;在纵向方向上邻近周向弹性元件布置的空间 延伸和第一部分 所述周向密封元件至少部分地与所述周向弹性元件的外表面部分重叠，所述周向弹性元件布置在所述周向密封元件的所述部分和所述外管状面之间。 此外，本发明涉及环形挡板，井下完井系统和密封方法。

公开(公告)号：US20170234105A1

公开(公告)日：2017-08-17

申请号：US15502314

申请日：2015-08-07

申请人： WELLTEC A/S

发明人： Ricardo Reves VASQUES ,  Satish KUMAR ,  Lars STÆHR

IPC分类号： E21B34/06 ,  E21B34/14 ,  E21B47/10 ,  E21B47/18 ,  E21B49/08 ,  E21B47/06

CPC分类号： E21B34/06 ,  E21B23/01 ,  E21B23/02 ,  E21B23/03 ,  E21B34/14 ,  E21B41/00 ,  E21B43/12 ,  E21B43/14 ,  E21B43/26 ,  E21B47/06 ,  E21B47/065 ,  E21B47/10 ,  E21B47/18 ,  E21B49/08 ,  E21B2034/007

摘要： The present invention relates to a downhole valve system (1) for controlling inflow of a fluid from and to a formation (100), comprising a casing (2) having an inner surface (3), an outer diameter (ODc) and an inner diameter (IDc), and a cross section (Ac) defined by the inner diameter, the casing comprising a plurality of valves (4, 4a, 4b, 4c)arranged spaced apart from each other for controlling the flow of the fluid to and from the formation through the casing, and a plurality of autonomous operating adjusting devices (5) each controlling one of the plurality of valves and each autonomous operating adjusting device comprising a body (6) having an outer body diameter (Db) and a body cross section (Ab), the plurality of autonomous operating adjusting devices being fastened inside the casing in order to allow the fluid to flow between the outer body diameter of the body of the autonomous operating adjusting device and the casing. The present invention furthermore relates to a method for controlling an inflow of fluid by controlling a plurality of valves in a downhole valve system according to the present invention.

公开(公告)号：US20170101846A1

公开(公告)日：2017-04-13

申请号：US15315926

申请日：2015-06-04

申请人： WELLTEC A/S

发明人： Ricardo Reves VASQUES ,  Line BERGMANN ,  Lars STÆHR

IPC分类号： E21B33/12 ,  E21B33/128

摘要： The present invention relates to a downhole expandable metal tubular having an axial extension, to be expanded in a well downhole to abut against an inner face of a casing or a borehole, comprising a first section having a first outer diameter, two circumferential projections having a second outer diameter which is larger than the first outer diameter, a second section arranged between the two projections, each projection having an inclined face tapering from the second outer diameter towards the second section, wherein the second section has a third outer diameter which is smaller than the first outer diameter in an unexpanded condition, and a sealing element is arranged between the projections opposite the second section, so that during expansion the second section bulges more radially outwards than the first section, forcing the sealing element radially outwards. Furthermore, the present invention relates to an annular barrier, a downhole completion and a sealing expansion method.

公开(公告)号：US20170321515A1

公开(公告)日：2017-11-09

申请号：US15524828

申请日：2015-11-11

申请人： WELLTEC A/S

发明人： Lars STÆHR

IPC分类号： E21B33/127 ,  E21B34/06

CPC分类号： E21B33/1277 ,  E21B34/063

摘要： The present invention relates to a downhole annular barrier to be expanded in an annulus between a well tubular structure and a wall of a borehole or another well tubular structure downhole in order to provide zone isolation between a first zone having a first pressure and a second zone having a second pressure of the borehole, the annular barrier comprising a tubular part adapted to be mounted as part of the well tubular structure, the tubular part having an outer face and an inside, an expandable metal sleeve surrounding the tubular part and having an inner sleeve face facing the tubular part and an outer sleeve face facing the wall of the borehole, each end of the expandable metal sleeve being connected with the tubular part, and an annular space between the inner sleeve face of the expandable metal sleeve and the tubular part, a first opening in fluid communication with the inside, a second opening in fluid communication with the annular space, a bore having a bore extension and comprising a first bore part having a first inner diameter and a second bore part having an inner diameter which is larger than that of the first bore part, wherein the first opening and the second opening are arranged in the first bore part and displaced along the bore extension, and the annular barrier further comprises a piston arranged in the bore, the piston comprising a first piston part having an outer diameter substantially corresponding to the inner diameter of the first bore part and comprising a second piston part having an outer diameter substantially corresponding to the inner diameter of the second bore part, and a rupture element preventing movement of the piston until a predetermined pressure in the bore is reached. Furthermore, the present invention relates to an annular barrier system.

公开(公告)号：US20160053591A1

公开(公告)日：2016-02-25

申请号：US14783932

申请日：2014-04-11

申请人： WELLTEC A/S

发明人： Jørgen HALLUNDBÆK ,  Ricardo Reves VASQUES ,  Ivan Sciera JENSEN ,  Dean Richard MASSEY ,  Lars STÆHR

IPC分类号： E21B43/10 ,  E21B33/129 ,  E21B33/12

CPC分类号： E21B43/108 ,  E21B33/12 ,  E21B33/129 ,  E21B43/103

摘要： The present invention relates to a downhole expandable tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable tubular having an axial extension, wherein the downhole expandable tubular is made of metal and is machined from one metal tubular blank, providing the downhole expandable tubular with at least one circumferential projection. Furthermore, the present invention relates to an annular barrier, to a downhole completion comprising a downhole expandable tubular according to the present invention, to a downhole completion comprising a well tubular structure and an annular barrier according to the present invention and to a manufacturing method for the manufacture of the downhole expandable tubular according to the present invention.

摘要翻译： 本发明涉及一种井下可膨胀管，其在井下井下从第一外直径膨胀到第二外径以抵靠壳体或钻孔的内表面，井下可扩张管具有轴向延伸，其中井下 可膨胀管由金属制成并且由一个金属管状坯料加工而成，其具有至少一个周向突起。 此外，本发明涉及一种环形挡板，包括根据本发明的井下可膨胀管的井下完井，包括根据本发明的井筒结构和环形挡板的井下完井以及制造方法 根据本发明的井下可膨胀管的制造。

公开(公告)号：US20150308240A1

公开(公告)日：2015-10-29

申请号：US14647590

申请日：2013-12-06

申请人： WELLTEC A/S

发明人： Jørgen HALLUNDBÆK ,  Ricardo Reves VASQUES ,  Lars STÆHR ,  Ivan Sciera JENSEN

IPC分类号： E21B43/10 ,  E21B33/128 ,  E21B23/06

CPC分类号： E21B43/105 ,  E21B23/06 ,  E21B33/128 ,  E21B43/103

摘要： The present invention relates to a downhole setting tool for setting an annular sealing structure in an openhole part of a well, comprising: a tool body (5) having a tool axis, a shaft (7) having a first end and a second end, connected to the tool body at the second end, an expandable pipe (10) having a transport position in which the expandable pipe has an unexpanded diameter, and an expanded position in which the expandable pipe has an expanded diameter, an annular sealing element (11), and a pipe expansion element (12) arranged at the first end of the shaft for expanding at least the pipe, wherein the expandable pipe and the annular sealing element are arranged in succession along the tool axis in a non-overlapping manner. The tool further comprises a second expansion (14) with an inclined surface on which annular seal slides when being pushed by expansion element (12) onto the outside of the expandable pipe (10).

摘要翻译： 本发明涉及一种用于在井的裸眼部分中设置环形密封结构的井下固定工具，包括：具有工具轴线的工具主体（5），具有第一端和第二端的轴（7） 在所述第二端连接到所述工具主体，具有可膨胀管具有未膨胀直径的输送位置的膨胀管（10）和所述可膨胀管具有扩展直径的扩张位置，环形密封元件（11 ）和布置在所述轴的第一端处的用于至少扩展所述管的管道膨胀元件（12），其中所述可膨胀管和所述环形密封元件以不重叠的方式沿着所述工具轴线连续布置。 该工具还包括具有倾斜表面的第二膨胀件（14），当被膨胀元件（12）推压到可膨胀管道（10）的外部时，环形密封件在该倾斜表面上滑动。

公开(公告)号：US20160298414A1

公开(公告)日：2016-10-13

申请号：US15036217

申请日：2014-11-24

申请人： WELLTEC A/S

发明人： Lars STÆHR ,  Dean Richard MASSEY

IPC分类号： E21B33/127 ,  E21B34/10 ,  E21B23/06

CPC分类号： E21B33/127 ,  E21B23/06 ,  E21B33/1277 ,  E21B34/101

摘要： The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and a wall of a borehole downhole for providing zone isolation between a first zone having a first pressure and a second zone having a second pressure of the borehole. The annular barrier comprises a tubular metal part for mounting as part of the well tubular structure, the tubular metal part having an outer face; an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part; and an annular space between the inner face of the expandable sleeve and the tubular metal part, the annular space having a space pressure. The annular barrier comprises an anti-collapsing unit comprising an element movable at least between a first position and a second position, the anti-collapsing unit having a first inlet which is in fluid communication with the first zone, and a second inlet which is in fluid communication with the second zone, and the anti-collapsing unit having an outlet which is in fluid communication with the annular space, and in the first position, the first inlet is in fluid communication with the outlet, equalising the first pressure of the first zone with the space pressure, and in the second position, the second inlet is in fluid communication with the outlet, equalising the second pressure of the second zone with the space pressure. The present invention furthermore relates to a downhole system and a zone isolation method.

摘要翻译： 本发明涉及一种在井管结构与钻井井下壁之间的环空中膨胀的环形阻挡件，用于在具有第一压力的第一区域和具有钻孔第二压力的第二区域之间提供区域隔离。 环形阻挡件包括用于作为井筒结构的一部分安装的管状金属部件，管状金属部件具有外表面; 围绕所述管状金属部分并且具有面向所述管状金属部分的内表面和面向所述钻孔壁的外表面的可膨胀套筒，所述可膨胀套筒的每个端部与所述管状金属部件连接; 以及在所述可膨胀套管的内表面和所述管状金属部件之间的环形空间，所述环形空间具有空间压力。 所述环形阻挡件包括抗折叠单元，所述防塌缩单元包括至少在第一位置和第二位置之间可移动的元件，所述防塌陷单元具有与所述第一区域流体连通的第一入口，以及位于 与第二区域流体连通，并且防崩溃单元具有与环形空间流体连通的出口，并且在第一位置，第一入口与出口流体连通，使第一压力与第一区域的第一压力平衡 区域，并且在第二位置，第二入口与出口流体连通，使第二区域的第二压力与空间压力相等。 本发明还涉及井下系统和区域隔离方法。

公开(公告)号：US20160032713A1

公开(公告)日：2016-02-04

申请号：US14774951

申请日：2014-03-11

申请人： WELLTEC A/S

发明人： Jørgen HALLUNDBÆK ,  Ricardo Reves VASQUES ,  Lars STÆHR ,  Mathias FRANCKE ,  Satish KUMAR ,  Dean Richard MASSEY

IPC分类号： E21B47/09 ,  E21B17/00

CPC分类号： E21B47/0905 ,  E21B17/006 ,  E21B33/127 ,  E21B34/14 ,  E21B47/02216 ,  E21B2034/007

摘要： The present invention relates to a completion component having a circumference for insertion into a well tubular structure, comprising a tubular base part having an axial extension and a thickness and being adapted to be mounted as part of the well tubular structure, and a displaceable part having a thickness and being displaceable in relation to the tubular base part from a first position to a second position, wherein the tubular base part comprises a plurality of first markers and the displaceable part comprises a second marker for determining a position of the displaceable part in relation to the tubular base part, the first and second markers being arranged with a marker distance, wherein the first markers are different in geometrical size or material, or arranged with a varying mutual distance. The present invention also relates to a downhole system and to a method for determining a position of a displaceable part of a completion component according to the present invention in relation to a tubular base part.

摘要翻译： 本发明涉及具有用于插入井筒结构的圆周的完井部件，包括具有轴向延伸部和厚度的管状基部部件，并且适于作为井筒结构件的一部分安装，以及可移动部件，其具有 厚度并且相对于管状基部从第一位置移动到第二位置，其中管状基部包括多个第一标记，并且可移位部包括第二标记，用于确定可位移部分的位置关系 所述第一标记和所述第二标记被布置成具有标记距离，其中所述第一标记在几何尺寸或材料上是不同的，或者以不同的相互距离排列。 本发明还涉及一种井下系统和一种用于根据本发明的关于管状基部确定完井部件的可移位部分的位置的方法。

公开(公告)号：US20180128075A1

公开(公告)日：2018-05-10

申请号：US15566068

申请日：2016-04-29

申请人： WELLTEC A/S

发明人： Lars STÆHR

IPC分类号： E21B33/127 ,  E21B34/10

摘要： The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and a wall of a borehole downhole for providing zone isolation between a first zone having a first pressure and a second zone, the annular barrier comprising a tubular metal part for mounting as part of the well tubular structure, the tubular metal part having a first expansion opening, an axial extension and an outer face, an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part, and an annular space between the inner face of the expandable sleeve and the tubular metal part, the annular space having a space pressure, wherein fluid inside the tubular metal part has a tubular pressure, and wherein the annular barrier comprises an expansion unit having a first inlet in fluid communication with the expansion opening, a second inlet in fluid communication with the first zone and an outlet in fluid communication with the annular space, and the expansion unit comprising an element movable at least between a first position and a second position, in the first position the expansion opening being in fluid communication with the outlet and the tubular pressure being higher than the first pressure, and in the second position the outlet being in fluid communication with the first zone and the first pressure being higher than the tubular pressure, wherein the tubular metal part comprises at least one second expansion opening being fluidly connected with the first inlet. The present invention also relates to a downhole system.

公开(公告)号：US20170122066A1

公开(公告)日：2017-05-04

申请号：US15322563

申请日：2015-06-29

申请人： WELLTEC A/S

发明人： Lars STÆHR

IPC分类号： E21B34/06 ,  E21B33/127

CPC分类号： E21B34/06 ,  E21B33/1243 ,  E21B34/14 ,  E21B43/26 ,  E21B2034/007

摘要： The present invention relates to a downhole flow control device for controlling a flow of a fluid from a borehole into a well tubular structure and/or from the well tubular structure into the borehole, comprising a base tubular having an axial axis and adapted to be mounted as part of the well tubular structure, the base tubular having a first opening, a first sleeve arranged within the base tubular, the first sleeve having a first sleeve part and a second sleeve part with a second opening, and the first sleeve being adapted to slide along the axial axis for at least partly aligning the first opening with the second opening, wherein a second sleeve is arranged at least partly between the second sleeve part and the base tubular, and an engagement element is arranged for engaging an indentation of the second sleeve part in a first position and for disengaging the indentation of the second sleeve part in a second position. Furthermore the present invention relates to a downhole system.