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Under-neutralized alkylxylene sulfonic acid composition for...

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

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Use of aqueous dispersions for tertiary mineral oil production

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

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Use of breaker chemicals in gelled hydrocarbons

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

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Use of butadiene-styrene copolymers in crude oils

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

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Use of dispersion polymers as friction reducers in aqueous...

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

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Use of encapsulated acid in acid fracturing treatments

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
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Use of fluorocarbon surfactants to improve the productivity...

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

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Use of high purity imidazoline based amphoacetate surfactant as

Earth boring – well treating – and oil field chemistry – Well treating – Contains intended gaseous phase at entry into wellbore
Patent

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Use of mineral oils to reduce fluid loss for viscoelastic...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
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Use of oil and gas field chemicals

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

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Use of oil-based gel-breaker/inhibitor compounds with polymer ge

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

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Use of sized salts as bridging agent for oil based fluids

Earth boring – well treating – and oil field chemistry – Well treating
Patent

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Use of surfactant mixtures for tertiary mineral oil extraction

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
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Using nanoparticles for water flow control in subterranean...

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