4. Earth boring, well treating, and oil field chemistry
  5. Well treating
  6. Contains inorganic component other than water or clay

James B. Crews

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Aminocarboxylic acid breaker compositions for fracturing fluids

Colloid systems and wetting agents; subcombinations thereof; pro – Compositions containing an agent for breaking ; processes of...
Reexamination Certificate

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Aminocarboxylic acid breaker compositions for fracturing fluids

Colloid systems and wetting agents; subcombinations thereof; pro – Compositions containing an agent for breaking ; processes of...
Reexamination Certificate

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Bacteria-based and enzyme-based mechanisms and products for...

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Petroleum oil or shale oil treating
Reexamination Certificate

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Biodegradable chelant compositions for fracturing fluid

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

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Borate crosslinked fracturing fluid viscosity reduction...

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2276496

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