4. Mineral oils: processes and products
  5. Tar sand treatment with liquid

Teh F. Yen

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Method for fracturing of oil shale

Wells – Processes – Placing fluid into the formation
Patent

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Method of optimizing mesophase formation in graphite and coke pr

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent

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Native petroleum surfactants

Compositions – Preservative agents – Anti-corrosion
Patent

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Petroleum recovery process using native petroleum surfactants

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

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Purifying oil shale retort water

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent

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Profile ID: LFUS-PAI-P-419542

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