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11. 发明授权

EP3008277B1 DOWNHOLE MACHINING SYSTEM AND METHOD 有权
公开(公告)号：EP3008277B1
公开(公告)日：2019-04-10
申请号：EP14735867.5
申请日：2014-06-13
申请人： Welltec A/S
发明人： ANDERSEN, Tomas Sune
IPC分类号： E21B29/00 , B23C3/00 , B23D45/12 , E21B29/06 , E21B4/18

12. 发明公开

EP2795054A1 DOWNHOLE TUBULAR SYSTEM AND ASSEMBLY FOR SEALING AN OPENING 审中-公开
标题翻译： BOHRLOCHROHRANORDNUNG ZUM VERSIEGELN EINERÖFFNUNG
公开(公告)号：EP2795054A1
公开(公告)日：2014-10-29
申请号：EP12808393.8
申请日：2012-12-21
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , ANDERSEN, Tomas Sune
IPC分类号： E21B43/10
CPC分类号： E21B33/13 , E21B33/10 , E21B43/105
摘要： The present invention relates to a downhole system (100) for sealing an opening (2) in a wall of a well tubular structure in a borehole (4) downhole by means of a downhole tubular assembly (1), comprising the downhole tubular assembly comprising an expandable tubular part (5) having an inner face (6) and an unexpanded expandable tubular thickness in an unexpanded state, and a helical spring (7) having a helical inner diameter, a radial helical spring thickness and a helical outer diameter in an unexpanded state, the helical spring being arranged inside the expandable tubular part and substantially concentrically with the expandable tubular part, an expansion tool (9) for expanding the tubular assembly inside the well tubular structure (3) in one direction, the expansion tool comprising an expansion part having a diameter, and the expansion tool being arranged substantially on an axis which is concentric and longitudinal with the tubular assembly, and positioned in a first position, wherein the expandable tubular part is expanded by moving the expansion tool from the first position through the expandable tubular part and the helical spring so that the helical spring extends the diameter of the expansion part and acts as a distance element when expanding the expandable tubular part to abut the well tubular structure for sealing the opening. Furthermore, the present invention relates to a downhole tubular assembly and a method of sealing an opening in a wall of a well tubular structure in a borehole downhole.
摘要翻译：本发明涉及一种井下管状组件（1），用于在井下的钻孔中密封井筒结构（3）的壁中的开口（2）。井下管状组件包括具有内表面（6）和未膨胀状态的未膨胀可膨胀管状厚度（T5）的可膨胀管状部件和具有螺旋形内径（OD7）的螺旋弹簧（7），径向螺旋弹簧厚度和螺旋形外径，其中所述螺旋弹簧布置在所述可膨胀管状部分内部并且与所述可扩张管状部分基本上同心，允许所述可膨胀管状部分膨胀以邻接所述井筒结构。此外，本发明涉及一种在井下钻孔中的井筒结构的壁的密封方法。

13. 发明公开

EP2652240A1 AN INFLOW ASSEMBLY 有权
标题翻译：侵安排
公开(公告)号：EP2652240A1
公开(公告)日：2013-10-23
申请号：EP11802703.6
申请日：2011-12-16
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , ANDERSEN, Tomas Sune
IPC分类号： E21B21/10 , E21B34/14
CPC分类号： E21B34/14 , E21B21/103
摘要： The present invention relates to a an inflow assembly (1) for controlling fluid flow between a hydrocarbon reservoir (2) and a production casing in a well, comprising a first tubular (4) having an axial extension and at least one inlet (5) and a first wall (6) with at least a first axial channel (7) extending in the first wall from the inlet, a second tubular (8) having a first (9) and a second end (10) and at least one outlet (11), the second tubular being rotatable within the first tubular and having a second wall (12) with at least a second axial channel extending in the second wall from the first end to the outlet. The invention further relates to an assembly for controlling fluid flow between a hydrocarbon reservoir and a production casing in a well. Finally, the present invention relates to a downhole completion comprising a casing string and one or more of the inflow assembly/assemblies according the invention.

14. 发明公开

EP4251847A1 DOWNHOLE PACKER ASSEMBLY 审中-实审
公开(公告)号：EP4251847A1
公开(公告)日：2023-10-04
申请号：EP21816433.3
申请日：2021-11-23
申请人： Welltec A/S
发明人： ANDERSEN, Tomas Sune
IPC分类号： E21B23/14 , E21B23/04 , E21B41/00 , E21B43/10 , F16L55/163 , E21B33/12 , E21B29/10

15. 发明公开

EP4163471A1 DOWNHOLE SELF-PROPELLING WIRELINE TOOL 无效
公开(公告)号：EP4163471A1
公开(公告)日：2023-04-12
申请号：EP21202035.8
申请日：2021-10-11
申请人： Welltec A/S
发明人： ANDERSEN, Tomas Sune
IPC分类号： E21B23/00 , E21B23/14
摘要： A downhole driving unit for propelling a tool (1) forward in a well and/or for providing weight on a bit while performing an operation, comprising a tool body (3), an electric motor (4) operating at a rotational speed and powered by a wireline, a plurality of projectable arm assemblies (6) connected in a first arm end with the tool body, a plurality of wheels (8) for contacting a wall of the well, each wheel comprising a hydraulic motor (10) for rotation of the wheel, each arm assembly being at a second arm end connected with one of the plurality of wheels, and a first hydraulic pump (12) driven by the electric motor for generation of a first fluid pressure for projection of the plurality of projectable arm assemblies, wherein the downhole driving unit further comprises a hydraulic section (15) comprising a first controllable valve controlling the first fluid pressure.

16. 发明授权

EP2625375B1 AN ANNULAR BARRIER 有权转让
标题翻译：环状屏障
公开(公告)号：EP2625375B1
公开(公告)日：2017-04-12
申请号：EP11764752.9
申请日：2011-10-06
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , HAZEL, Paul , ANDERSEN, Tomas Sune
IPC分类号： E21B33/127
CPC分类号： E21B33/1277

17. 发明授权

EP2929131B1 A DOWNHOLE TOOL AND DOWNHOLE SYSTEM 有权
标题翻译：孔车刀和井系统
公开(公告)号：EP2929131B1
公开(公告)日：2016-11-02
申请号：EP13802599.4
申请日：2013-12-06
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , ANDERSEN, Tomas Sune , MANGAL, Lars
IPC分类号： E21B17/10
CPC分类号： E21B17/10 , E21B17/1014 , E21B23/14 , E21B41/0035

18. 发明公开

EP2929131A1 A DOWNHOLE TOOL AND DOWNHOLE SYSTEM 有权
标题翻译：孔车刀和井系统
公开(公告)号：EP2929131A1
公开(公告)日：2015-10-14
申请号：EP13802599.4
申请日：2013-12-06
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , ANDERSEN, Tomas Sune , MANGAL, Lars
IPC分类号： E21B41/00 , E21B23/14
CPC分类号： E21B17/10 , E21B17/1014 , E21B23/14 , E21B41/0035
摘要： A downhole tool (1) for insertion into a casing (2) having a lateral (3) extending from a main casing, the ma in casing having a first diameter ( D
1 ) and the lateral having a second diameter (D
2 ), the first diameter being larger than the second diameter, the downhole tool comprising a tool body having a first tool end and a second tool end and a tool width, a wireline (8) connected with the first end of the tool body, a wireline guide device (9) arranged at least partly around the wireline, wherein the wireline is movably arranged with in the wireline guide device, and the guide device is releasably connected (activated by 25) with the tool body. The present invention furthermore relates to a downhole system and to a method for guiding a wireline of a downhole tool as described above.

19. 发明公开

EP2740886A1 A downhole tool and downhole system 审中-公开
标题翻译： Bohrlochwerkzeug und Bohrlochsystem
公开(公告)号：EP2740886A1
公开(公告)日：2014-06-11
申请号：EP12196097.5
申请日：2012-12-07
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , MANGAL, Lars , ANDERSEN, Tomas Sune
IPC分类号： E21B41/00 , E21B23/14
CPC分类号： E21B17/10 , E21B17/1014 , E21B23/14 , E21B41/0035
摘要： A downhole tool (1) for insertion into a casing (2) having a lateral (3) extending from a main casing (4), the main casing having a first diameter (D1) and the lateral having a second diameter (D2), the first diameter being larger than the second diameter, the downhole tool comprising:
- a tool body (5) having a first tool end (6) and a second tool end (7) and a tool width (wt),
- a wireline (8) connected with the first end of the tool body, and
- a wireline guide device (9) arranged at least partly around the wireline, wherein the wireline is movably arranged within the wireline guide device.
摘要翻译：一种用于插入具有从主壳体（4）延伸的侧面（3）的壳体（2）的井下工具（1），所述主壳体具有第一直径（D1），并且所述侧部具有第二直径（D2），所述井下工具包括： - 具有第一工具端（6）和第二工具端（7）和工具宽度（wt）的工具主体（5）， - 有线（ 8），以及 - 至少部分地布置在所述电缆线周围的电缆引导装置（9），其中所述电缆线可移动地布置在所述电缆引导装置内。

20. 发明公开

EP2625375A1 AN ANNULAR BARRIER 有权转让
标题翻译：环状屏障
公开(公告)号：EP2625375A1
公开(公告)日：2013-08-14
申请号：EP11764752.9
申请日：2011-10-06
申请人： Welltec A/S
发明人： HALLUNDBÆK, Jørgen , HAZEL, Paul , ANDERSEN, Tomas Sune
IPC分类号： E21B33/127
CPC分类号： E21B33/1277
摘要： The present invention relates to an annular barrier for being expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier comprises a tubular part for mounting as part of the well tubular structure; an expandable sleeve made of a first metal, surrounding the tubular part and defining a space being in fluid communication with an inside of the tubular part, the expandable sleeve having a longitudinal extension, an inner face facing the tubular part and two ends; a connection part made of a second metal, connecting the expandable sleeve with the tubular part; an opening for letting fluid into the space to expand the sleeve, and a transition area comprising a connection of the sleeve with the connection part.

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