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Gripper assembly for downhole tools

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Reexamination Certificate

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Gripper assembly for downhole tools

Wells – Expansible anchor or casing – Fluid pressure actuated
Reexamination Certificate

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Gripper assembly for downhole tools

Wells – Expansible anchor or casing – Fluid pressure actuated
Reexamination Certificate

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Gripper assembly for downhole tractors

Wells – Expansible anchor or casing – Fluid pressure actuated
Reexamination Certificate

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Gripping assembly for expandable tubulars

Wells – Expansible anchor or casing
Reexamination Certificate

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Gripping member for well packer

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Patent

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Gripping member for well tools

Wells – Expansible anchor or casing
Patent

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Hanger apparatus for suspending pipes

Wells – Expansible anchor or casing – Liner hanger
Patent

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Hanger apparatus for suspending pipes

Wells – Expansible anchor or casing – Liner hanger
Patent

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Hanger apparatus for suspending pipes with positive retrieval ca

Wells – Expansible anchor or casing – Liner hanger
Patent

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Hanger assembly

Wells – Expansible anchor or casing – Liner hanger
Patent

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Hanger mechanism

Wells – Expansible anchor or casing – Liner hanger
Patent

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Helical bearing anchor and catcher

Wells – Expansible anchor or casing – Set by wedge or cam at any point by drop only
Patent

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High expansion slip system

Wells – Expansible anchor or casing – With wedge or cam and friction drag
Patent

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High temperature high pressure retrievable packer with...

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Reexamination Certificate

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Hydra-jet slotting tool

Wells – Expansible anchor or casing
Patent

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Hydraulic holddown for well packer stinger

Wells – Expansible anchor or casing – Fluid pressure actuated
Patent

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Hydraulic operated casing hanger running tool

Wells – Expansible anchor or casing – Liner hanger
Patent

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Hydraulic running tool

Wells – Expansible anchor or casing – Spring set
Reexamination Certificate

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Hydraulic running tool for liner hangers

Wells – Expansible anchor or casing – Liner hanger
Patent

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