LandOfFree - US Patents - Listing for Earth boring, well treating, and oil field chemistry,Earth boring

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Salt water drilling mud and method

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

Reexamination Certificate

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Sampling of hydrocarbons from geological formations

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

Reexamination Certificate

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Scleroglucan based drilling mud

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

Patent

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Secondary emulsifiers for inverted emulsion fluids and...

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

Reexamination Certificate

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Seepage loss reducing additive for well working compositions and

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

Patent

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Self-breakable yield point enhancer for oil based drilling mud

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

Reexamination Certificate

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Self-generating foamed drilling fluids

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

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Settable drilling fluids comprising cement kiln dust

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

Reexamination Certificate

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Settable drilling fluids comprising cement kiln dust

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

Reexamination Certificate

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Shale hydration inhibition agent and method of use

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

Reexamination Certificate

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Shale hydration inhibition agent and method of use

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

Reexamination Certificate

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Shale hydration inhibition agent and method of use

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

Reexamination Certificate

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Shale hydration inhibition agent and method of use

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

Reexamination Certificate

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Shale inhibition

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

Reexamination Certificate

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Shale inhibition additive for oil/gas down hole fluids and...

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

Reexamination Certificate

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Shale stabilizing drilling fluids comprising calcium...

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

Reexamination Certificate

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Shale-stabilizing additives

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

Reexamination Certificate

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Silica-based drilling mud comprising glycoside lubricants...

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

Reexamination Certificate

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Silica-based drilling mud comprising glycoside lubricants...

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

Reexamination Certificate

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Silicate drilling fluid composition containing lubricating...

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

Reexamination Certificate

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