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PBR: Petrobras is a Brazil-based integrated energy company controlled by the Brazilian government. The company focuses on exploration and production for oil and gas in Brazilian offshore fields. Production in 2022 was 2.7 million barrels of oil equivalent a day (80% oil production), and reserves stood at 10.5 billion boe (85% oil). At year-end 2022, Petrobras operated 11 refineries in Brazil with capacity of 1.9 million barrels a day and distributes refined products and natural gas throughout Brazil.


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  • Patent Title: Maritime drilling with fluid reverse circulation without using drilling riser Jul. 18, 2023
  • Patent Title: Process for gasification of a carbonaceous raw material of low value as a fuel using a nanocatalyst Jul. 11, 2023
  • Patent Title: System for coupling between a bend stiffener and a bell mouth comprising a plurality of locking mechanisms Mar. 28, 2023
  • Patent Title: Cable robot for coating procedures Feb. 28, 2023
  • Patent Title: Methods for well construction and completion Nov. 22, 2022
  • Patent Title: Method for producing biolubricant from vegetable oil, and biolubricant Nov. 08, 2022
  • Patent Title: Process for preparing liquid hydrocarbons by the fischer-tropsch process integrated into refineries Oct. 25, 2022
  • Patent Title: Enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction, process for recycling post-consumer poly(ethylene terephthalate), and recycled poly(ethylene terephthalate) Jun. 14, 2022
  • Patent Title: Subsea system and method for pressurization of a subsea oil reserve by injecting at least one of water and gas Oct. 19, 2021
  • Patent Title: Refining process for highly (poly)aromatic and nitrogenated charges Mar. 09, 2021
  • Patent Title: Centrifugal separator device for primary processing of pressurized oil Sep. 01, 2020
  • Patent Title: Method to correct eccentricity in ultrasonic image profiles Feb. 04, 2020
  • Patent Title: Process for preparing a nickel-based catalyst, the nickel-based catalyst, and use thereof in a steam reforming process Jan. 07, 2020
  • Patent Title: Sealing gasket for piping systems and its manufacturing process Dec. 24, 2019
  • Patent Title: Process for simultaneous removal of arsenic and sulphur from hydrocarbon streams Aug. 06, 2019
  • Patent Title: System and optimization method for oil programming in a refinery through linear genetic programming and grammar-oriented programming, and readable storage medium May. 07, 2019
  • Patent Title: Photochemical hydrogenation of heavy fractions of hydrocarbon streams Apr. 16, 2019
  • Patent Title: Process to obtain fuel from biomass in fluid catalytic cracking Apr. 09, 2019
  • Patent Title: Gravitation anchor for offshore anchoring of ships and platforms Feb. 05, 2019
  • Patent Title: Process for obtaining nanocomposites, nanocomposite, method of capture and retrieval of a solubilized and/or dispersed material in organic or inorganic medium, method of purification of an organic or inorganic medium and capture and retrieval kit for a solubilized and/or dispersed material in organic or inorganic medium Oct. 02, 2018
  • Patent Title: Method for extracting precursor acids from calcium naphthenate deposits May. 29, 2018
  • Patent Title: Gas lift nozzle valve Jan. 30, 2018
  • Patent Title: Process for pre-reforming hydrocarbon streams containing olefins, pre-reforming catalyst and a process for preparing said catalyst May. 02, 2017
  • Patent Title: Method for repairing flexible flow lines with a two-piece clamping collar and composite material Nov. 08, 2016
  • Patent Title: Hydroesterification process for producing biodiesel from wet microalgae biomass Sep. 06, 2016
  • Patent Title: Compact restictive seal for bearing housings Aug. 02, 2016
  • Patent Title: Steam reforming process for reducing the tar content of synthesis gas streams Jun. 14, 2016
  • Patent Title: Process for the production of aviation biokerosene and aviation kerosene composition May. 24, 2016
  • Patent Title: Multi-column buoy for deep and ultra-deep water transportation terminals May. 10, 2016
  • Patent Title: Process for the production of pitch Jan. 26, 2016
  • Patent Title: Method for the production of ethene and synthesis gas in circulating fluidized bed Dec. 22, 2015
  • Patent Title: 2.5-furandicarboxylic acid integrated production process Dec. 01, 2015
  • Patent Title: Catalyst and process for obtaining catalyst of high activity Nov. 24, 2015
  • Patent Title: Receiving lateral wellbore and method for implanting same Sep. 29, 2015
  • Patent Title: High-performance combustion device and fluid catalytic cracking process for the production of light olefins Jul. 28, 2015
  • Patent Title: Scuttle for the monitoring and inspection of a flexible riser May. 05, 2015
  • Patent Title: Chromium and nickel catalysts for oligomerization reactions and process for obtaining alpha-olefins using said catalysts Mar. 31, 2015
  • Patent Title: Lactic acid direct synthesis process Feb. 24, 2015
  • Patent Title: Damping sleeve and anchoring method Feb. 17, 2015
  • Patent Title: Catalytic cracking process of a stream of hydrocarbons for maximization of light olefins Jan. 13, 2015
  • Patent Title: Integrated process for the manufacture of olefins and intermediates for the productions of ammonia and urea Jan. 13, 2015
  • Patent Title: Hydrocyclone for the separation of fluids Dec. 16, 2014
  • Patent Title: Heterogeneous catalysts for transesterification of triglycerides and preparation methods of same Oct. 07, 2014
  • Patent Title: System and process for detecting leakage in umbilicals Jul. 15, 2014
  • Patent Title: Process for producing biodiesel Jun. 24, 2014
  • Patent Title: Process for treatment of water/oil emulsions Jun. 10, 2014
  • Patent Title: Method for producing carbon nanomaterials produced from heavy oil May. 13, 2014
  • Patent Title: Diesel cycle fuel compositions containing dianhydrohexitols and related products May. 06, 2014
  • Patent Title: Freestanding hybrid riser system Apr. 08, 2014
  • Patent Title: Cyclone separator and separation method Feb. 25, 2014
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