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2021
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Invention
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Method and system for remotely signalling a downhole assembly comprising one or more downhole too... |
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Invention
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Screens. A screen assembly, such as a downhole/sand screen assembly, comprising first and second ... |
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2020
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Invention
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Downhole anchor. An anchoring apparatus for use in a wellbore, comprises at least one movable wal... |
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Invention
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Apparatus and methods for use in wellbore packing. An apparatus for use in a well borehole packin... |
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Invention
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Pressure operated apparatus and method. A downhole apparatus comprises a piston mounted within a ... |
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Invention
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Perforating apparatus. An apparatus comprises perforating guns, bypass, and isolator mechanism. T... |
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2019
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Invention
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Downhole apparatus. Downhole apparatus is provided for location in a fluid-filled bore, such as a... |
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Invention
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Completion system apparatus. A completion system apparatus having a body comprising a throughbore... |
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Invention
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Completion system apparatus. A completion system apparatus (10) having a body (12) comprising a t... |
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Invention
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Downhole screen assembly. A screen assembly, such as a downhole/sand screen assembly, comprising ... |
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2018
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Invention
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Method and apparatus for washing an annulus. Some examples of the present disclosure relate to a ... |
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Invention
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Downhole apparatus. A downhole apparatus comprises a housing, a seat mounted in the housing and c... |
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Invention
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Downhole apparatus. A downhole apparatus (10) comprises a housing (12), a seat (20) mounted in th... |
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Invention
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Downhole apparatus and method. A downhole apparatus (10) comprises a landing arrangement (12) com... |
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Invention
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Downhole fluid control apparatus. A downhole fluid control apparatus comprises first and second c... |
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Invention
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Downhole fluid control apparatus. A downhole fluid control apparatus (26) comprises first and sec... |
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Invention
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Actuator assembly. An oil or gas well actuator (1) assembly comprising a fixed member (10), an ac... |
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Invention
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Downhole valve assembly. A downhole valve assembly comprises a sleeve concentric with a housing a... |
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2017
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Invention
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Antenna for downhole communication. An antenna 200, 300, 400 and associated systems 1400, 1500 an... |
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Invention
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Connector apparatus. A releasable connector apparatus has a connector mandrel to be coupled to a ... |
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Invention
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Connector apparatus. A releasable connector apparatus comprises a connector mandrel (18) to be co... |
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Invention
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Apparatus and method for downhole data acquisition and or monitoring. An apparatus (10) for downh... |
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Invention
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Apparatus and method for downhole data acquisition and/or monitoring. An apparatus (10) for downh... |
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Invention
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Downhole slip apparatus. A downhole slip apparatus that includes a radially extendable slip assem... |
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Invention
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Downhole slip apparatus for boreholes of smaller and of larger diameter. A downhole slip apparatu... |
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2016
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Invention
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Downhole artificial lift system. A downhole artificial lift system comprises a production string ... |
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Invention
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Downhole artificial lift system. A downhole artificial lift system (10) comprises a production st... |
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Invention
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Torque limiting device. A work string assembly for an oil or gas well has a first and second tubu... |
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Invention
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Pressure operated apparatus and method. A downhole pressure operated apparatus comprises a piston... |
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Invention
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Connector system. A subsea connector system (10) for providing a connection with a subsea well co... |
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Invention
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Valve assembly with a filter chamber. a) arranged within the flow path and a filter assembly arra... |
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Invention
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Wellbore injection system. A wellbore injection system comprises a tubing hanger mountable within... |
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2015
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Invention
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Downhole anchor. An anchoring apparatus (110) for use in a wellbore, comprises at least one movab... |
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Invention
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Pressure operated valve assembly. A valve assembly comprises an actuation fluid inlet, an actuati... |
