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GB201412665D0
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Elastically deformable support for an expandable seal element of a downhole tool
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WO2014108692A2
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Expandable seal assembly for a downhole tool
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US2013213644A1
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Method for signalling a downhole device in a well
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GB0916979D0
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Retrofit safety valve and wellhead insert
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GB0820849D0
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Method for signalling a downhole device in a flowing well
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GB0814120D0
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Sandface vavle
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GB0814019D0
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Sandface valve
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GB0715506D0
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Sandface valve
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GB0618687D0
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Erodeable pressure barrier
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US2007012459A1
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Downhole actuation method and apparatus for operating remote well control device
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GB0524779D0
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Injection valve
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GB0503615D0
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Retrofit safety valve and wellhead insert
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GB0417621D0
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Downhole actuation method and apparatus for operating remote well control device
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GB0411121D0
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Method for signalling a downhole device in a flowing well
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GB0402150D0
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Retrofit method and apparatus for secondary recovery in a well or borehole
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GB0305240D0
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Extended reach borehole tool
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AU2002350898A1
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Pilot valve
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GB0213806D0
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Expansion monitoring means
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GB0128867D0
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Deep set pilot valve
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GB0102739D0
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Access control between a main bore and a lateral bore in a production system
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