Francis Dunu

Experience

• 

  Port-Harcourt Refining Company Ltd

  Jan 2009 - Feb 2010

  Plant Operator (Control Room Operator/Field Operator [CDU Plant/FCC Plant] )

  Monitoring of bed levels and potential leakages in catalytic cooler.Draining of Pumps, Compressors, Knock-out drums, Turbines and Surge drum when due.Commissioning of fuel oil, fuel gas and atomizing steam for main Heater start-up.Close monitoring of Oil-Water interface in the Desalter.Ignition of Pilot burners of Crude Distillation Heaters.Close monitoring of temperature distribution of different Cyclones.Purging of Pre-flash drum and main Heater with snuffing steam.Close monitoring of the Explosivity test carried out in the process plant.Runs the Plant optimally at low cost and high yield. Show less

• 

  Keystone Global Energy Services Nigeria Ltd

  Jan 2011 - Dec 2014

  Crane Rigger

  Worked as Pro-active Indicator (BANKS MAN).Pre-testing and Pre-mobbing inspections of Lifting Equipment.Assessing Risk Assessment Report Sheet before lifting operations.Proficiency in Industrial Rigging Safety Onshore & Offshore with zero accident.

• 

  Air Liquide

  Mar 2015 - Nov 2022

  Monitors and control Process Plant, Power Plant with minimum downtime.Gathering daily production data, managing and evaluating entire production process.Effecting total compliance to the Process Plant and Power Plant Standard Operating Procedure (SOP)Ensuring output meets quality standards at all times.Managing all raw materials to achieve optimal yield.Developing strategies to increase productivity and production.Ensuring target and deadlines are met to achieve the orders.Measure, validate and report production volumes accurately.Daily planning and managing of Process and Power Plant activities.Runs the Plant optimally at low cost and high yield. Show less Administering Permit-To-Work (PTW) for High Risk/Non-routine/Contract jobs.Monitors safe installation and commissioning of 1925KVA Power Plant (Gas Generator)Coordinating Tool Box meeting/Pep talk before task.Monitors safe installation & commissioning of Cosmodyne GFED-3 7TPD LIN/LOX ASU Plant.Analyzing root causes of technical operations problem and developing solutions (RCA)Performs technical operations with Zero accident target.Carry out risk assessment of the plant, equipment and work area.Ensuring all staff comply with the company’s HSE policies for safe operations. Show less Production of Cryogenic Liquids (Nitrogen, Oxygen & Carbon-di-oxide)Deriming/Defrosting of Air Separation Unit (ASU) Plant.Monitors Process Plant, Power Plant Parameters, Variables & Operations from Control Room and making changes to operating conditions for better productivity.Regulates Programmable Logical Controller (PLC), Distributed Control System (DCS) to ensure quality control of Product.Maintains high purity of Carbon-di-oxide Liquid during production.Proficiency in Process Plant, Power Plant Start-up, Commissioning & Plant Shut down.Monitors Metering Station (PRMS) for daily gas consumption rate.Isolating Power Plant, Process Plant Unit Operations for intervention or maintenance.Document and report anomalies in the Process Plant and Power Plant Operations.Runs the Plant optimally at low cost and high yield. Show less

  • Plant Supervisor (Process Plant/Power Plant)

    Sept 2020 - Nov 2022

  • Technical/HSE (Safety) Engineer

    Nov 2019 - Aug 2020

  • Plant Operator (Control Room Operator/Field Operator[ASU Plant, Carbon-di-oxide Plant, Power Plant])

    Mar 2015 - Oct 2019
• 

  Greenville LNG

  Dec 2022 - now

  Production of LNG, LPG, PROPANE,BUTANE, NGL (CONDENSATE)Adjusting Inlet Guard Vain (IGV) set point for safe in flow of mixed refrigerant (MR) into impellers of mixed refrigerant compressor (MRC)Control and maintain De-ethanizer tower pressure, top & bottom temperatures for efficient stripping of lighter components (C1&C2) from the heavier components (C3, C4&C5) of the sweeten natural gas.Controlling and maintaining top and bottom temperature of Amine still column (Stripper) for optimum regeneration of rich amine solution.Throttling the Warm and Cold Joule Thomson valve (JT Valve) in cold boxes to enhance better cooling effect for Liquefaction process.Controlling and monitoring level, temperature and pressure of low temperature separator (Cold Separator) to avoid over flooding and heavy hydrocarbon carry over to the Cold boxes.Activating emergency shutdown systems (ESD), deluge systems from Control room during emergency.Control and maintain Debutanizer tower pressure, top & bottom temperatures for efficient stripping of lighter components (C3&C4) from the heavier components (C5+) of the sweeten natural gas.Proficiency in starting up, commissioning and shutting down of Feed gas system, Amine system, Dehydration system, Liquefaction system, De-ethanizer system, Debutanizer system, De-propanizer system, Utility system, Cooling medium system and Heating medium system from Control room.Deriming/Defrosting of Liquefied Natural Gas (LNG) plant Cold boxes.Monitoring and maintaining good Lean amine solution Reboiler Level keeping away reboiler tubes from excessive heating.Monitoring, jogging and holding of Dryer beds sequences when necessary.Control and maintain De-propanizer tower pressure, top & bottom temperature for efficient stripping of lighter component (C3) from the heavier component (C4) of the sweeten natural gas.Monitoring temperature and pressure profile performance of all passes in the cold box to enhance optimum liquefaction of sweeten natural gas. Show less Pressurizing Feed gas unit from field.Carrying out Condensate draining operations in Coalescer filter vessel, Gas-Gas heat ex changer, Heating medium vessel, Fuel gas scrubber vessel, MS KOD vessel, Regeneration scrubber vessel, Instrument air compressors and Low purity Nitrogen compressorsZero checking and normalizing of field transmitters to align with DCS signal in Control room.Lighting on the Flare Stack system.Making up of De-mineralization water and Fresh amine to Re-boiler for efficient absorption process.Lining, isolating, adjusting and normalizing of all Natural gases, MR vapor line and MR liquid line passes from Cold Boxes.Monitoring stroking of Field Electro Pneumatic control valves to align with DCS signal in Control room.Maintaining accurate process plant parameters field log book entries.Starting Heating Medium System (Burner), Pumps, Low purity Nitrogen Compressors, Instrument air Compressors, Cooling/Condenser Fans from field.Monitoring CO2 analyzers, H2S analyzers, Dew point analyzers from field Gas Chromatography unit.Adjusting Cold Box Passes (B-OUT & C-OUT) to achieve required LNG rundown temperatures to storage tanks.PRV by-pass to flare draining of De-ethanizer column, Debutanizer column, De-propanizer column, Mixed Refrigerant separator vessel, Cold Separator vessel, MS KOD vessel and LNG Rundown line.Close monitoring of the Explosivity test carried out in the Process Plant.Isolating and preparing Process Plant field equipment for intervention or maintenance.Taking Lean amine solution, Reflux drum water and Waste water condensate samples to laboratory for analysis.Making up of Therminol 59 Oil into Heating Medium (Burner) System expansion tank for efficient heat transfer process. Show less

  • DCS-Control Room Operator

    Aug 2023 - now

  • Senior Field Operator

    Dec 2022 - Jul 2023