GB201419985D0
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Drill string element and detachable driving element
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GB201312011D0
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Packer apparatuses
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GB201212516D0
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Packer apparatus for a wellbore and fracturing apparatus incorporating such packer apparatus
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GB201209583D0
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Packer apparatus for downhole well casing or open borehole and fracturing apparatus incorporating such packer apparatus
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GB201107336D0
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Downhole tool
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GB201100975D0
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Downhole tools
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GB0701288D0
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New spline bar assembly
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GB0625254D0
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Expandable downhole tool
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GB0621006D0
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A ball-activated tool for use in a drill string
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GB0621007D0
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Downhole tool
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GB0611514D0
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Expandable downhole tool
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GB0514447D0
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Activating mechanism for hydraulically operable downhole tool
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GB0514079D0
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Activating mechanism for hydraulically operable downhole tool
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GB0513140D0
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Novel method of controlling the operation of a downhole tool
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GB0512391D0
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Ball-activated mechanism for actuating downhole tool
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GB0512125D0
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Ball-activated by-pass tool for use in a drilling operation
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GB0511166D0
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A ball-activated tool for use in a drill string
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GB0427785D0
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Downhole tool
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GB0407449D0
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A ball-activated tool for use in a drill string
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GB0223884D0
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Actuator for downhole tool
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