We Welcome Texas Tech to PHDwin Week 2023

Introduction

Stella boasts a decade-long career as a Petroleum Reservoir Engineer, with expertise in reservoir modeling and simulation, reserves assessment and documentation, well and reservoir oversight, design and analysis of well-testing, field progression, and optimizing production.

Currently pursuing a Ph.D, Stella’s research encompasses Integrated Reservoir Simulation Modeling for Geological CO2 storage projects, Unconventional Reservoirs, and the constructive repurposing of Produced water.

With a rich background spanning industry and academia, and a dedication to excellence, Stella stands out as a significant contributor in the realm of petroleum engineering.

Professional Experience

First Exploration & Petroleum Development Company, Petroleum Reservoir Engineer | 2013-2021

Analyzed assets for the acquisition of hydrocarbon or divesture in a timely manner.
Provided reservoir engineering support in the Integrated hydrocarbon FDP covering the exploration phase, assessment & evaluation phase, definition, conceptualization & design selection phase, design & construction, execution, and operation phase in the acquired field.
Proactively developed analytical model and reservoir numerical simulation model with history match and prediction aspects when required for Reserve estimation, production forecast, depletion strategies, preferred well trajectories, well counts, and gas management re-entry program.
Planned and executed the drilling campaign of two fields with a current capacity of 40,000bopd in an integrated manner.
Delivered the reservoir and production input of the drilling programs and economic analysis & before AFE approvals.
Led a team in identifying the downside risks and upside opportunities of the gas storage project.
Communicated the team position on technical evaluations, experiments, field studies, Well, reservoir, and facility management with the Management team.
Involved in real-time field decision-making, such as the design and execution of data acquisition programs and execution.
Led several engineering studies, including flow assurance issues and production optimization.
Co-ordinated yearly reserves reporting of the entire company assets in accordance with the Petroleum Resources Management System (PRMS)
Facilitated engagement with the regulatory bodies and supported the yearly business planning activities.
Identified new technology and potential applications and engaged the contractors for technical validation and possibly implementation.
Coached and mentored interns on technical report writing and presentation skills.

Laser Engineering and Resource Consultants Limited, Petroleum Engineer | 2012-2013

Determined the development option and production predictions and analyzed the reservoir performance of hydrocarbon fields.
Generated the production optimization/nodal system analysis with well problem diagnosis.
Predicted reservoir sand production using the sonic logs and recommended efficient and cost-effective methods to the management.

Shell Petroleum Development Company, Reservoir Engineer Intern | 2008

Coordinated field performance review, recommendations, and documentation for the hydrocarbon field.
Performed reserve evaluation using decline curve analysis to evaluate the remaining reserves.

Education

2024 Ph.D. (expected)

Petroleum Engineering, Texas Tech University (CGPA 3.91/4.00)

Preliminary Dissertation: Repurposing Produced Water and Carbon-dioxide waste stream to reduce oil and gas footprint and enhance CO2 capture and storage

2012 M.Sc.,

Petroleum Engineering & Project Development, University of Port Harcourt, Nigeria (CGPA 4.83/5.00).

Thesis: Principles and Problems of Log-derived Permeability

2010 B.Sc.,

Petroleum & Gas Engineering, University of Lagos, Nigeria (CGPA 4.80/5.00).

Thesis: Prediction of Reservoir Performance in a Multi-well Reservoir System Using a Modified Hyperbolic Decline Model

2004 Diploma,

Chemical Engineering, Lagos State Polytechnics, Nigeria (CGPA 3.58/4.00)

Research Interests

Stella is currently active in researching the Geological storage of CO2 and how the storage capacity can be optimized in saline formation. This work covers experimental and numerical simulation models using the Petrel/Eclipse Software. In addition,

Stella is a member of the Texas Produced Water Consortium, which is heavily invested in bringing together information and resources to study the economics and technologies related to Produced Water beneficiary reuse.

Research Categories

Reservoir Engineering

Reservoir Simulation

Geological CO2 storage

Reserves/storage estimation (PRMS and SRMS)

Water conservation and Beneficial reuse of produced water

Publications-Journal Articles by Year

2023

Eyitayo S., Watson M.C., Kolawole O. Produced Water Treatment and Utilization: Challenges and Future Directions. SPE Production & Operations (2023). https://doi.org/10.2118/212275-PA

Eyitayo S., Watson M.C., Kolawole O., Xu P., Lawal K.A., Wigwe M.E., Giussani A. Novel Systematic Approach for Produced Water Volume Quantification Applicable to Beneficial Reuse. Environ. Sci.: Adv., 2023, 2, 508 (2023) https://doi.org/10.1039/D2VA00282E

2022

Eyitayo S.I., Lawal K.A., Watson M.C., Kolawole O., Abdullahi I., Yadua A.U., Okoh O.M., Matemilola S., Alabi T. Coupled Tripartite Investigation of Breaker Fluid Invasion and Impact on Hydrocarbon Recovery in Sandstone Reservoirs. Petroleum Research (2022). https://doi.org/10.1016/j.ptlrs.2022.11.002

Eyitayo S.I., Watson M.C., Kolawole O., Xu P., Bruant R., Henthorne L. External Utilization of Oil and Gas Produced Water: Why is the Industry Hesitant to Full-Scale Implementation?. Environment, Development and Sustainability (2022). https://doi.org/10.1007/s10668-022-02746-0

Eyitayo S.I., Watson M.C., Kolawole O., Xu P., Bruant R., Henthorne L. Produced Water Treatment: Review of Technological Advancement in Hydrocarbon Recovery Processes, Well Stimulation, and Permanent Disposal Wells. SPE Production & Operations (2022). https://doi.org/10.2118/212275-PA

2021

Yadua, A. U., Lawal, K. A., Eyitayo, S. I., Okoh, O. M., Obi, C. C., & Matemilola, S. (2021). Performance of a gas-lifted oil production well at steady state. J Petrol Explor Prod Technol 11, 2805–2821 (2021) https://link.springer.com/article/10.1007/s13202-021-01188-0

2020

Lawal, K.A., Yadua, A.U., Ovuru M.I., Eyitayo, S.I., et al. Rapid screening of oil-rim reservoirs for development and management. J Petrol Explor Prod Technol 10, 1155–1168 (2020), https://doi.org/10.1007/s13202-019-00810-6

Okoh, O.M., Lawal, K.A., Yadua, A.U., Eyitayo, S.I., et al. A semi-empirical method for predicting GOC in oil reservoirs with limited PVT dataset. SN Appl. Sci. 2, 1289 (2020). https://doi.org/10.1007/s42452-020-3091-7

Yadua, A.U., Lawal, K.A., Okoh, O.M. Mathilda I. Ovuru, Stella I. Eyitayo, Saka Matemilola & Chinyere C. Obi. Stability and stable production limit of an oil production well. J Petrol Explor Prod Technol 10, 3673–3687 (2020). https://doi.org/10.1007/s13202-020-00985-3

2017

Lawal, K. A., Ovuru, M. I., Eyitayo, S. I., Matemilola, S., & Adeniyi, A. T. (2017). Underground storage as a solution for stranded associated gas in oil fields. Journal of Petroleum Science and Engineering, 150, 366–375, https://doi:10.1016/j.petrol.2016.12.020

Publications-Refereed Conference Papers by Year

2022

Eyitayo S., Watson M.C., Kolawole O. (2022). Produced Water Treatment and Utilization: Challenges and Future Directions. SPE Western Regional Meeting, Bakersfield, CA, SPE-209310-MS.

2021

Eyitayo, S. I., Watson, M.C., Kolawole, O. Produced Water Treatment, and Utilization: Creating and Harnessing Innovative Potentials – SPE Western Regional Meeting Submission SPE-209310-MS. DOI: https://doi.org/10.2118/209310-MS

Eyitayo, S. I., Lawal, K. O., Abdullahi, I.N., Akadang, J., Anyanwu, V., Ainoje, B., Matemilola, S. Alabi, T. I., & Owolabi, S. (2021). Optimization of the turnaround time and quality of production-screening tests in offshore fields – some case studies. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/207105-ms

Salako, A., Pelemo, B., Otubanjo, M., Lawan, Z., Olushoga, E. O., Eyitayo, S. I., Ukaonu, C. E., Lawal, K. O., Matemilola, S., & Owolabi, S. (2021). A Simple Strategy for Subsurface Delivery of Ideal Development Wells–Field Examples. SPE Nigeria Annual International Conference and Exhibition, https://doi.org/10.2118/207120-MS

2020

Eyitayo, S. I., Ekundayo, J. M., & Mumuney, E. O. Prediction of Reservoir Saturation Pressure and Reservoir Type in a Niger Delta Field using Supervised Machine Learning ML Algorithms. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/203697-ms

Eyitayo, S. I., Lawal, K. A., Guobadia, K. O., Ovuru, M. I., Okoh, O. M., Yadua, A. U., & Matemilola, S. A Comparative Evaluation of Selected Correlations for Estimating Wax-Appearance Temperature of Crude Oils. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/203618-ms

Okoh, O. M., Lawal, K. A., Yadua, A. U., Odude, A., Anyanwu, O. T., Ovuru, M. I., Eyitayo, S.I., and Nwaeri, E. Using Limited and Cheap PVT Data to Reduce GOC Uncertainties in Reservoirs with Unknown GOC. Society of Petroleum Engineers. https://doi:10.2118/203611-MS

2019

Lawal, K. A., Okoh, O. M., Yadua, A., Ovuru, M. I., Eyitayo, S. I., & Ramaswamy, S. (2019). Improvements to the Dynamic Material-Balance Method of Reservoir Surveillance. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/198741-ms

Lawan, Z. M., Lawal, K. A., Ukaonu, C. E., Eyitayo, S. I., & Matemilola, S. (2019). The Future of Petroleum Engineering in an Emerging Renewable-Energy World. SPE Nigeria Annual International Conference and Exhibition. https://doi:10.2118/198743-ms

2018

Eyitayo, S. I., Lawal, K. A., Ukaonu, C., Ovuru, M. I., Anyadike, E., Sanyaolu, A. and Matemilola, S. (2018). Simple Upscaling of Oil-Water Relative-Permeability Models. SPE Nigeria Annual International Conference and Exhibition.

Eyitayo, M., Eyitayo, S., & Lawanson, S. (2018, August 6). Using a Land Rig in an Offshore Location: Some Lessons from a Niger-Delta Experience. Society of Petroleum Engineers, https://doi:10.2118/193493-MS

2017

Eyitayo, S. I., Lawal, K. A., Ukaonu, C. E., Ovuru, M. I., Sanyaolu, A. A., Otubanjo, M. A., and Matemilola, S. (2017). Using Compositional-Grading Simulations to Assess Gas-Oil Contacts: Practical Cases from the Niger Delta. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/189089-ms

Lawal, K. A., Ukaonu, C. E., Ovuru, M. I., Eyitayo, S. I., & Matemilola, S. (2017). Simple Quantitative Characterisation and Grouping of Electrofacies in Shaly Sandstone Formations. SPE Nigeria Annual International Conference and Exhibition. https://doi:10.2118/189082-ms

Ukaonu, C., Odubanjo, T., Lawal, K. A., Eyitayo, S. I., Ovuru, M. I., Anyadike, E., & Matemilola, S. (2017). Use of Petro-Elastic Analysis to Evaluate Potential for Sand Production in Petroleum Reservoirs. SPE Nigeria Annual International Conference and Exhibition. https://doi:10.2118/189177-ms

2016

Lawal, K. A., Ovuru, M. I., Eyitayo, S. I., Matemilola, S., & Adeniyi, A. T. (2016). An Evaluation of Underground Storage as a Potential Solution for Stranded Associated Gas in Oil Fields. SPE Nigeria Annual International Conference and Exhibition, https://doi:10.2118/184266-ms

Awards, Credentials, and Organizations

Scholarships, Honors, Awards

2023 ASME Petroleum Division Scholarship

2023 Paul Whitfield Horn Fellowship

2021 Henry Dewitt Award, Society of Petroleum Engineer

2021 SPE Permian Basin Scholarship

2011 Total E & P, Nigeria Scholarship for M.Sc. Program

2009 New Era Foundation Award for leadership

Skills

Creativity, Analytical Thinking, Data Analytics, Leadership, Time Management, Problem-Solving, Adaptability, Collaboration, Communication, Emotional Intelligence, Professional Writing, ML Algorithms, Programming

Technology Expertise

PHDwin

STIMPLAN

PETRA
Computer MOdelling Group (CMG)

ECLIPSE

PETREL

IHS Harmony-Forecast-SE

PIPESIM

SAPHIRE

Crystal Ball

Python

Machine Learning Algorithms

Certificates & Special Training

100 Days of Code: The Complete Python Pro Bootcamp for 2023
Expressway to Data Science: Python Programming Specialization (2023)
Climate Change: Carbon Capture and Storage by University of Edinburgh EDX (2022)
Petra Fundamentals (2021)
Machine Learning by Stanford University (Coursera)-completed (2020)
Introduction to Artificial intelligence by EDX (2019)
Fundamentals and Practical Aspects of Machine learning and Data Analytics for the Energy Professionals SPE Short course (NAICE 2019)
Reservoir Simulation principles and practices by Mobility Oil & Gas (2019)
Drilling & Completions Essentials by Havillah Energy (2019)
Reservoir Management Training by PetroSkills UK
CMG Training by Computer Modelling Group, Dubai
Petroleum Resources-Evaluation, Classification, and Reporting by First EPDC, Nigeria
Best Practices in Integrated Reservoir Modelling series NAICE 2014
Well and Reservoir Management, NAICE 2016

Professional & Academic Organizations

2022-2023 | Membership Chair, American Rock Mechanic Association (ARMA) at Texas Tech University

2020-2021 | Membership Chair, Society of Petroleum Engineers (SPE) at Lagos, Nigeria

2008-2009 | Vice President, SPE student Chapter, at the University of Lagos

2022-2023 | Member, American Society of Mechanical Engineers (ASME)

2021-2023 | Member, Produced Water Society

2011-2013 | National Registry of Environmental Professionals (certified)

2019-2023 | Member, Nigeria Association of Petroleum Explorationists (NAPE)

2019-2023 | Co-operate Member, Nigerian Society of Engineers (NSE-certified)

2021-2023 | Co-operate Member, Council for the Regulation of Engineering in Nigeria (COREN-certified)

Connect with Stella on Professional Networks

Google Scholar

ResearchGate