4. Wells
  5. Processes
  6. Producing the well

Petroleo Brasileiro S.A. - Petrobras

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Anchor

Ships – Anchor – With means driving the anchor into the sea bed
Reexamination Certificate

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Apparatus and process for downflow fluid catalytic cracking

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate

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Apparatus for production in oil wells

Wells – Submerged well
Reexamination Certificate

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Apparatus for securing oil, gas and by-products from pyrobitumin

Distillation: apparatus – Apparatus – Systems
Patent

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Catalytic cracking process for hydrocarbons

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Solids contacting and mixing
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