Chibuzo Chimbuogu Onyemara
Aberdeen
Summary
Profile Summary: A goal-oriented fast learner with over nine (9) years of experience in the exploration and production (E&P) operations involved with well test analysis and reservoir-well-surface network interaction predictions for effective water flooding, gas lift, thermal, synthetic, and eco-friendly surfactant injection designs for optimum recovery rate prediction. Seismic and logs mapping for structural, stratigraphic visualization, interpretation, and prospect success rate increase through accurate wells drilling and completion design. Industrious Project Engineer offering 9 years of experience. Skilled in writing specifications, preparing bids, and creating drawings for design and construction. Expert resource-management skills, completing projects according to plans and budgets.
Overview
12
12
years of professional experience
Work history
Operations Petroleum/Reservoir Engineer, P Project Engineer
NNPC Towers
01.2020 - 05.2023
- Low-salinity brine water injection optimization model design to achieve a production recovery factor of 5 percent.
- I prioritized targets by adopting historical intervention data to create a selection process for wells and criteria for acidization and shutoff.
- I developed a formula for optimum downhole pressure and tracked the right trade-off between low pressure and water breakthrough in the well.
- I calculated cumulative oil and original oil in place (OOIP) and used their ratio to determine the recovery factor (RF).
- I built a static seismic geology model and extracted all available subsurface structures, stratigraphy, and velocity for accurate reservoir depth location and drilling design predictions.
- I interpreted composite well logs and accurately predicted reservoir net thickness, shale volume, and water saturation.
- I modeled hydrocarbon PVT behaviors on phase diagram plots to determine various reservoir types, bubble point pressure, artificial lift design, separator tank design, and EOR methods.
- Surfactant-low salinity-gas miscibility conditions prediction and injection design.
- Proven ability to develop and implement creative solutions to complex problems.
- Used critical thinking to break down problems, evaluate solutions and make decisions.
- Cultivated interpersonal skills by building positive relationships with others.
- Proved successful working within tight deadlines and a fast-paced environment.
- Developed strong organizational and communication skills through coursework and volunteer activities.
- Adaptable and proficient in learning new concepts quickly and efficiently.
- Learned and adapted quickly to new technology and software applications.
- Self-motivated, with a strong sense of personal responsibility.
- Applied effective time management techniques to meet tight deadlines.
EOR Research Engineer
University of Aberdeen
aberdeen, aberdeenshire
04.2015 - 11.2021
- HPHT EOR rig design and installation for heavy oil production
- Production pressure and temperature effect management and measurements
- Core rock sampling, SCAL, aging, and saturation experiment for optimum recovery measurement
- Injection and production pressure drop design and prediction
- Low salinity brine design and compositional design and injection prediction analysis
- Chemical surfactants, eco-friendly biosurfactants, low salinity brine, and gas injection designs
- Crude oil, brine, and gas phase interaction design based on viscosity, IFT, SFT, and wettability analyses.
- Well analysis by wellhead pressure and fluid rates lab measurement and simulation
- EOR lab results validation with a numerical method
- Drilling fluid properties analysis using experimental and simulation methods.
- Read drawings to understand or plan the layout of gas installations plumbing, waste disposal, and water supply systems.
- Measured for fittings, listed materials, and costed jobs to provide accurate customer quotes.
- Carried out planned maintenance checks on systems and equipment.
- Recorded work performed and parts used for accurate engineering reports.
- Met health and safety policies for compliant engineering support.
Petroleum Reservoir Geologist
NNPC Towers
12.2010 - 04.2015
- Niger Delta Reserve Estimation and Basin Analysis
- Oil initially in place (OIIP) prediction estimates: I calculated OIIP using the following variables;
- Formation porosity: I have used combined density and neutron logs to determine rock porosity
- Oil formation volume factor: I used the PVT properties of crude oils to determine the oil volume factor
- Initial water saturation: I predicted water formation resistivity using a resistivity log, and shale volume using a Gamma-ray log and then calculated the initial water saturation in the shale and sand reservoirs using Simandoux and Archie models
- Reservoir thickness: I used a Gamma-ray log calibrated with resistivity logs to predict reservoir thickness
- Basin Analysis: I conducted a formation basin study using seismic reflection imaging calibrated by well logs data and predicted;
- Hydrocarbon pay zone depositional environment
- Sequence stratigraphy
- Rock physical properties
- E&P General Simulation Skills
- Structural and stratigraphic mapping for well-design prediction with LandMark DecisionSpace software
- Reserve prospect success rate prediction using Eclipse and Petrel software
- Drilling computation analysis with the use of Drill Bench software
- Steady-state multiphase design using the PIPESIM simulator
- Water and surfactants injection and compositional analysis using Petroleum Expert Reveal software.
- Gained strong leadership skills by managing projects from start to finish.
- Passionate about learning and committed to continual improvement.
- Managed time efficiently in order to complete all tasks within deadlines.
- Applied effective time management techniques to meet tight deadlines.
- Skilled at working independently and collaboratively in a team environment.
Education
Ph.D. - Petroleum Engineering
University of Aberdeen
2020
MSc - Petroleum and Gas Engineering
University of Salford
2012
B.Sc - Geology
Federal University of Technology
2008
Skills
- General Skills
- Good interpersonal relationships with different people, especially team members, and clients from a range of backgrounds
- Adaptability, flexibility, and willingness to work in any part of the world
- 3D drawing
- Change order management
- Writing Requests For Information (RFI)
- Subcontracting management
Interests
Hobbies: , Reading and photographs.
Languages
English
Fluent
Timeline
Operations Petroleum/Reservoir Engineer, P Project Engineer
NNPC Towers
01.2020 - 05.2023
EOR Research Engineer
University of Aberdeen
04.2015 - 11.2021
Petroleum Reservoir Geologist
NNPC Towers
12.2010 - 04.2015
Ph.D. - Petroleum Engineering
University of Aberdeen
MSc - Petroleum and Gas Engineering
University of Salford
B.Sc - Geology
Federal University of Technology
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