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Hussan Udochukwu Njoku is a seasoned PVT/Reservoir Fluid Engineer with 20+ years of experience in laboratory tests, reservoir fluid characterization, and simulation modeling. He holds a Bachelor of Engineering in Chemical Engineering and a Post Graduate Diploma in Petroleum Engineering from the University of Port Harcourt. Njoku has worked with various companies, including Oiltest Group and Laser Engineering and Resources Consultants Ltd, and has expertise in PVT analysis, flow assurance, and reservoir engineering data gathering and evaluation.

Experience

    • PVT/Reservoir Fluid Engineer
      • Jan 2019 - Present

      Responsibilities:Laboratory tests which include PVT & phase behaviour, flow assurance, crude assay, production chemistry and compositional analysis etc.Reservoir fluid/PVT data assessment & analysis, data consistency & quality check (QC) and data computation & compilationPreparation and out-putting of lab analysis reports. Presentation and interpretation of oil and gas laboratory analysis data/results to clients and management to address the needs of petroleum fluid management and production.Reservoir fluid characterization/PVT (EOS) modelling and simulation with PVTpro/PVTi/PVTSimManagement of oil and gas samples; collection, identification, preservation, safe keeping of samples, sample inventory and maintenance of appropriate documentation.Onsite Well test metering, sampling and analysis of gas, condensate, and oilWelltest operations, special emphasis on all relevant welltest data acquisition and welltest data QC. Advises the welltest operation crew on the reservoir engineering aspect of the welltest.Surface and bottom-hole sampling program and procedure preparation, field mobilization for surface and subsurface sampling, Surface and bottom-hole sampling of reservoir fluid.Assist the test engineer and transmitting all test data/information to client and base office at the required time.Inventory of laboratory equipment, materials, and chemicals.Calibration, maintenance and pressure testing of laboratory equipment and preparation of sample bottlesCarry out job hazard analysis and ensures the compliance of HSE requirements with the company policy as well as local and national standardsTrain, guide and assist new professionals regarding handling daily processes and weekly activity report preparationAlways represent the group in a professional manner and participate in enhancing the team’s cohesiveness with regards to job performance

    • Reservoir Fluid/PVT Engineer
      • Apr 2014 - Dec 2018
      • Port Harcourt, Nigeria.

      Responsibilities:Laboratory analysis of petroleum fluid which include CCE, CVD/DL, separator test, live & stock tank oil viscosity, density measurement, crude assay, gas & crude oil compositional analysis etc.Preparation and out-putting of lab analysis reports.Interpretation and discussion of PVT analysis data/results with clients, engineers and proponents to address the needs of reservoir fluid management and production.Surface and bottom-hole sampling program and procedure preparations.Surface and bottom-hole sampling of reservoir fluid for PVT, crude assay and flow assurance analysis.Crude Assay (fractional distillation) and properties measurements of crude oil and its fractions which include dead oil viscosity, read vapor pressure, specific gravity/API, BS&W, cloud & pour Point, density, H2S, Sulphur content, Paraffin/Aromatic content, Flash point, Wax content, Asphaltene content, Salt content, Carbon residue etc.Measurement of H2S, H2O vapour, mercaptan, mercury, CO2 etc in natural gas using Gastec and Draeger pumps and tubesInventory of equipment, materials and chemicals in the laboratory and responsible of ordering the deficient and lacking supplies.Preventive maintenance and calibration of laboratory equipment.Ensures the compliance of HSE requirements with the company policy as well as local and national standardsCoaching and mentoring new professionals in Laser Engineering Resources and Consultants Ltd.

    • Reservoir/Geoscience Engineer
      • Apr 2013 - Apr 2014
      • Port Harcourt, Nigeria

      Responsibilities:Integrated Field Development Study, Analysis, and planning which involves:Hydrocarbon fluid/PVT simulation and modeling with PVTi, PVTSim, PVTpro. Dynamic reservoir modeling & simulation with with Eclipse. Decline curve analysis & material balance study with MBAL, production test analysis, production behavior by Field/Reservoir/Well. Production system analysis, modeling, forecast and reserve estimation with PROSPER. Reservoir engineering data gathering and evaluation (QA/QC), uncertainty and sensitivity analysis on rock and fluid properties. Production performance analysis, production system optimization, sensitivity analysis on production parameters. Pressure Transient/Well Test Analysis and Interpretation.

    • Reservoir Fluid/PVT Sampling and Analysis Engineer
      • Aug 2008 - Apr 2013

      Responsibility:Carry out PVT/phase behavior, crude assay and flow assurance studies on black oil and gas condensate which include;o PVT analysis of black oils and gas condensates from different reservoirs in Niger Delta, such as determination of gas-oil ratios, saturation pressures, shrinkage studies, liquid dropout curves, separator tests, Viscosity test, constant volume depletion tests, differential liberation tests, etc. o Physical recombination of separator oil and separator gas into reservoir fluid sample, o Physical Properties measurements of crude oil and its fractions such as dead oil viscosity, read vapor pressure, specific gravity/API, BS&W,cloud & pour Point, density, H2S, sulphur-in-crude etc. o Wax Appearance Temperature (WAT) & Asphaltene Precipitation Pressure of reservoir oil using DBR SDS, Vinci RFP analyser etc.o Fractional distillation of crude oil samples in accordiance with ASTMo Detailed hydrocarbon fluid composition analysis and quantification using Agilent GCso Operation and maintenance of 10,000 psi rated mercury-free DBR PVT cell for PVT analysis.Reservoir fluid sampling which include;o Offshore and onshore well-site sampling of natural gas, crude oil, and condensates from pressured and atmospheric sampling points for laboratory and on-site analysis, such as separator oil and gas sampling during production well testing, well head and flow line fluids, fuel, flare and compressor gases sampling, export crude oil sampling etc

Education

  • 2000 - 2005
    University of Port Harcourt
    Bachelor of Engineering (B.Eng.), Chemical Engineering
  • 2012 - 2013
    Laser Petroleum Geosciences Center
    National Innovative Diploma, Petroleum Geosciences
  • 2011 - 2012
    University of Port Harcourt
    Post Graduate Diploma (Pg.Dip.), Petroleum Engineering

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