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公开(公告)号:EP4256168B1
公开(公告)日:2025-01-29
申请号:EP21901651.6
申请日:2021-12-02
Inventor: MARIBU, Kenneth , ELLER, John Gary , RYAN, Anthony
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公开(公告)号:EP4227486B1
公开(公告)日:2024-11-13
申请号:EP23168267.5
申请日:2019-08-27
Inventor: HORA, Kenneth D. , SMALLEY, Michael , TEALE, David W. , TAYLOR, James H.
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公开(公告)号:EP3784873B1
公开(公告)日:2024-07-24
申请号:EP19719298.2
申请日:2019-04-25
IPC: E21B29/00 , E21B29/06 , E21B43/112
CPC classification number: E21B29/005 , E21B29/06 , E21B43/112
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公开(公告)号:EP4390052A2
公开(公告)日:2024-06-26
申请号:EP23213912.1
申请日:2023-12-04
Applicant: Scientific Drilling International, Inc.
Inventor: FREYER, Carsten , HEISIG, Gerald
Abstract: An alignable guidance device includes a tube section and a casing milling shoe within the tube section, a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section, the pre-contoured tube exiting the tube section at an exit angle of between 0° and 45°, and guidance sensors within the tube section.
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公开(公告)号:EP2840226B1
公开(公告)日:2023-10-18
申请号:EP14193056.0
申请日:2009-05-05
Inventor: Redlinger, Thomas M , Koithan, Thomas , Vreeland, Christopher M , Heiskell, Wes , Antoine, Andrew , McIntire, Scott
IPC: E21B7/06 , E21B23/02 , E21B29/06 , E21B31/107 , E21B31/113 , E21B31/12 , E21B47/09 , E21B47/12 , E21B21/10
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公开(公告)号:EP4227486A1
公开(公告)日:2023-08-16
申请号:EP23168267.5
申请日:2019-08-27
Applicant: Weatherford Technology Holdings, LLC
Inventor: HORA, Kenneth D. , SMALLEY, Michael , TEALE, David W. , TAYLOR, James H.
Abstract: A bottom hole assembly for use in a wellbore includes a whipstock; a downhole tool coupled to the whipstock; and a cleaning tool coupled to the downhole tool for cleaning a portion of a wall of the wellbore, wherein the downhole tool is configured to engage the cleaned portion of the wall. In one example, the cleaning tool includes a body and a plurality of cleaning elements for cleaning the portion of the wall.
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公开(公告)号:EP2462313B1
公开(公告)日:2021-05-12
申请号:EP10807284.4
申请日:2010-08-09
Inventor: STOWE, II, Calvin J. , PONDER, Andrew
IPC: E21B29/00 , E21B29/06 , E21B29/12 , E21B10/573
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公开(公告)号:EP3341558B1
公开(公告)日:2020-07-08
申请号:EP16840262.6
申请日:2016-08-29
Applicant: Robertson Intellectual Properties, LLC
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公开(公告)号:EP3063362B1
公开(公告)日:2019-12-25
申请号:EP13896557.9
申请日:2013-10-28
Applicant: Halliburton Energy Services Inc.
Inventor: HESS, Joseph E.
IPC: E21B29/06
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公开(公告)号:EP3224446B1
公开(公告)日:2019-12-18
申请号:EP15863543.3
申请日:2015-11-24
Applicant: ABRADO, INC.
Inventor: RUTTLEY, David J.
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