4. Wells
  5. Processes
  6. Cleaning or unloading well

Richard F. Stevens, Jr.

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Compositions for treating a well penetrating a subterranean...

Wells – Processes – Dissolving or preventing formation of solid oil deposit
Reexamination Certificate

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Method for displacing oil base drilling muds and/or residues...

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Method of using solubilized transition metal oxides in well...

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3031214

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