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公开(公告)号:EP3947899B1
公开(公告)日:2024-09-11
申请号:EP20801419.1
申请日:2020-04-24
CPC分类号: G01V1/42 , G01V1/226 , G01V1/208 , G01V1/168 , G01V2210/12120130101 , G01V2210/129520130101 , G01V2210/142920130101 , F42D3/06 , E21B23/001
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公开(公告)号:EP4405566A1
公开(公告)日:2024-07-31
申请号:EP22840445.5
申请日:2022-11-27
CPC分类号: E21B23/00 , E21B47/01 , E21B47/138 , E21B2200/0820200501
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4.
公开(公告)号:EP4353946A3
公开(公告)日:2024-06-12
申请号:EP24161399.1
申请日:2013-04-11
发明人: TAHOUN, Ahmed Moustafa , KAFAFY, Raed Ismail , JAWAMIR, Karam J. , ALDHEEB, Mohammed Abdulmalek , KHALIL, Abdul Mushawwir
CPC分类号: E21B34/06 , E21B34/066 , E21B34/14 , E21B23/006 , E21B2200/0420200501
摘要: An apparatus is disclosed for remotely controlling fluid flow in tubular string (110) and wellbore annulus (156), wherein the apparatus includes a body (200) defining the boundaries between an inner flow passage (152) through the apparatus and an annular flow passage (154) within the wellbore annulus (156), and wherein the body (200) comprises a controllable valve (220) disposed in the inner flow passage (152), the controllable valve (220) comprising at least one moveable element, and where the element is movable to a plurality of predetermined positions, positioned and arranged to alter fluid flow between the first end, the second end, and the at least one lateral hole (210), and where a predetermined position of movable element determines a desired altered fluid flow state of controllable valve (220).
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公开(公告)号:EP4281648A1
公开(公告)日:2023-11-29
申请号:EP22701600.3
申请日:2022-01-24
申请人: Welltec A/S
发明人: BORG, Peder Løkke
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公开(公告)号:EP3068969B1
公开(公告)日:2023-09-27
申请号:EP14815789.4
申请日:2014-11-11
发明人: MOYES, Peter
IPC分类号: E21B23/00 , E21B33/128 , E21B23/01 , E21B23/06
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公开(公告)号:EP4163468A1
公开(公告)日:2023-04-12
申请号:EP21202037.4
申请日:2021-10-11
申请人: Welltec A/S
发明人: ANDERSEN, Tomas Sune
摘要: A downhole self-propelling wireline tool string to be used in wellbores, comprising, a first tool body (3a), a first electric motor (4), a first electric control unit (18), one first drive section (30a), comprising, a plurality of wheels (8), a first hydraulic pump (12) driven by the electric motor for generation of a second fluid pressure for driving the hydraulic motor(s) rotating the wheel(s), and wherein the downhole self-propelling wireline tool string further comprises a second downhole self-propelling wireline tool (lb), having similar construction as the first sel-propelling tool, wherein each electric motor of the first and second tools comprises a power-limiting unit (31) in order to distribute a first part of the current from the wireline to power the first electric motor and a second part of the current to power the second electric motor.
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