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A CO.sub.2 drive process for oil recovery employing an alcohol e

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Above packer perforate test and sample tool and method of use

Wells – Processes – Sampling well fluid
Patent

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Above packer perforate, test and sample tool and method of use

Wells – Processes – Sampling well fluid
Patent

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Abrasive jet cutting system and method for cutting wellbore...

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Abrasive slurry delivery apparatus and methods of using same

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Abrasive slurry delivery apparatus and methods of using same

Wells – Processes – Graveling or filter forming
Patent

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Abrasives for well cleaning

Wells – Processes – Cleaning or unloading well
Patent

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Accelerated downhole pressure testing

Wells – Processes – With indicating – testing – measuring or locating
Patent

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Accelerated downhole pressure testing

Wells – Processes – With indicating – testing – measuring or locating
Patent

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Accelerated polymer gelation process for oil recovery applicatio

Wells – Processes – Cementing – plugging or consolidating
Patent

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Accelerating set of retarded cement

Wells – Processes – Cementing – plugging or consolidating
Patent

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Accelerating set of retarded cement

Wells – Processes – Cementing – plugging or consolidating
Patent

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Access control between a main bore and a lateral bore in a...

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

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Acid coated sand for gravel pack and filter cake clean-up

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Acid dissolvable cements and methods of using the same

Wells – Processes – Graveling or filter forming
Patent

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Acid foam fracturing

Wells – Processes – Placing fluid into the formation
Patent

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Acid gas disposal method

Wells – Processes – Separating material entering well
Reexamination Certificate

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Acid gels for fracturing subterranean formations

Wells – Processes – Chemical inter-reaction of two or more introduced materials
Patent

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Acid soluble coating for well screens

Wells – Processes
Patent

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Acid soluble coating for well screens

Wells – Processes – Graveling or filter forming
Patent

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