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Logging of subterranean wells using coiled tubing

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

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Logging system for use in a wellbore

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

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Logging tool deployment systems and methods with pressure...

Wells – Processes – Assembling well part
Reexamination Certificate

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Logging tool deployment systems and methods without pressure...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Logging tool retrieval system

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

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Long chain alcohol additives for surfactant foaming agents

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

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Long-line-drive pattern for in situ gasification of subterranean

Wells – Processes – Specific pattern of plural wells
Patent

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Loop systems and methods of using the same for conveying and...

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

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Loop systems and methods of using the same for conveying and...

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

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Loop systems and methods of using the same for conveying and...

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

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Lost circulation control

Wells – Processes – Cementing – plugging or consolidating
Patent

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Lost circulation fluid for oil field drilling operations

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

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Lost circulation treatment for oil field drilling operations

Wells – Processes – Cementing – plugging or consolidating
Patent

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Low clearance downhole pump

Wells – Processes – Producing the well
Reexamination Certificate

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Low cost method and apparatus for fracturing a subterranean...

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Low debris shaped charge perforating apparatus and method...

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

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Low density ball sealers for use in well treatment fluid diversi

Wells – Processes – Fluid flow causes pellet to block opening in wall of conduit
Patent

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Low density cement slurry and its use

Wells – Processes – Cementing – plugging or consolidating
Patent

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Low density proppant

Wells – Processes – Specific propping feature
Reexamination Certificate

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Low density proppant particles and use thereof

Wells – Processes – Specific propping feature
Reexamination Certificate

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