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Assembly and method for locating lateral wellbores drilled...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Assembly and method for providing a means of support and...

Wells – Processes – Parallel string or multiple completion well
Reexamination Certificate

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Assembly and method for the extraction of fluids from a...

Wells – Processes – Producing the well
Reexamination Certificate

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Assembly and process for drilling and completing multiple wells

Wells – Processes – Parallel string or multiple completion well
Patent

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Assembly and process for drilling and completing multiple wells

Wells – Processes – Parallel string or multiple completion well
Patent

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Assembly and process for drilling and completing multiple wells

Wells – Processes – Parallel string or multiple completion well
Patent

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Assembly and subterranean well tool and method of use

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Assembly comprising an extension tube and a sleeving conduit ins

Wells – Submerged well – Riser
Patent

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Assembly for connecting a jumper to a subsea structure

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Assembly for introducing steam into an oil-bearing stratum

Wells – With heating – refrigerating or heat insulating means
Patent

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Assembly for locking a polished rod in a pumping wellhead

Wells – Above ground apparatus – Suspension means
Reexamination Certificate

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Assembly for reducing the force applied to a slot and lug guide

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Assembly for sealing the annulus between concentric...

Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Reexamination Certificate

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Assembly of downhole equipment in a wellbore

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Assessing downhole WBM-contaminated connate water

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

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Attachment device for a slip gripping mechanism with floating co

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

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Attachment means for use for insertion and retrieval of a casing

Wells – Packers or plugs – With expanding anchor
Patent

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Attic oil reservoir recovery method

Wells – Processes – Cementing – plugging or consolidating
Patent

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Auto adjusting well control system and method

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

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Auto entry guide

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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