ISAAC SIMAT
Geothermal Reservoir Engineer
Nakuru
Summary
Driven Reservoir Engineer with keen aptitude for analytical thinking and problem-solving. Skilled in data analysis and project management, with strong teamwork and communication abilities. Committed to optimizing reservoir performance and enhancing resource extraction efficiency.
Overview
13
13
years of professional experience
9
9
years of post-secondary education
Work History
Reservoir engineer
Geothermal Development Company-
Nakuru
09.2016 - 03.2025
- Lead geothermal wireline operations, utilizing advanced logging truck units and tools to collect high-precision subsurface data.
- Design and execute well-test programs, including pressure transient analysis (PTA), step-rate tests, and flow tests, to optimize reservoir performance and resource recovery.
- Develop and implement innovative well-to-well stimulation techniques to enhance field productivity and improve resource extraction.
- Analyze well-test data, fluid properties, and reservoir performance metrics using advanced data analysis tools to inform decision-making and reservoir management strategies.
- Build and refine static and dynamic reservoir models, incorporating complex characteristics (e.g., heterogeneities, structural geology, geochemistry, and thermodynamics) to enhance model accuracy and predict reservoir behavior.
- Conduct history matching and calibrate models using well tests and field production data, ensuring simulations accurately reflect real-world reservoir conditions.
- Perform sensitivity, uncertainty, and risk analyses to optimize reservoir parameters, forecast production, and guide development strategies through probabilistic modeling and decline curve analysis.
- Analyze production and injection data, including pressure and rate-transient data, translating insights into actionable strategies for reservoir optimization.
- Contribute to the development of open-source workflows, streamlining computational modeling processes while maintaining compliance with regulatory standards.
- Prepare and present technical evaluations, reports, and presentations to clients, regulators, and industry stakeholders, actively participating in conferences and knowledge-sharing initiatives.
- Collaborate with cross-functional resource teams to explore and deploy innovative technologies that improve reservoir performance and maximize project outcomes.
- Manage data transfers, file editing, and custodianship, maintaining data integrity through structured workflows and rigorous quality assurance processes.
- Collaborate closely with geologists for accurate geological modelling of reservoirs.
- Review technical reports with keen attention to detail, ensuring accuracy and compliance.
Wireline Engineer (Freelancer Contract)
JRG Energy Consultants
Tulu Moye
09.2022 - 11.2022
- Executed geothermal wireline operations using rig slickline units and Kaldera tools for well intervention and data acquisition
- Designed and implemented well-test programs to optimize field performance and support reservoir evaluation
- Analyzed operational data to troubleshoot technical issues and improve well performance
Apprentice Engineer
Kenya Electricity Generating Company (KenGen)
01.2016 - 06.2016
- Monitored temperature, pressure, and water flow rates at separator stations in the Olkaria geothermal fields
- Assisted in wireline operations, flow testing, and wellhead assembly activities
- Conducted geological and geophysical surveys, including MT and TEM methodologies
On-the-Job Training
Energy Development Corporation
04.2012 - 05.2012
- Compile and analyze historical data from geothermal fields
- Maintain and update digital databases
- Prepare data for presentation
- Perform research, including background literature and well production data, and organize into project datasets
- Work with project manager and engineering personnel to assure adequate data evaluation
- Aid field operations as needed
Education
Kenya Certificate of Secondary Education - High School
Kabarnet Boys' High School
Kenya 01.2005 - 11.2008
Bachelor of Science - Geothermal Engineering
Negros Oriental State University
Philipppines 06.2010 - 03.2015
Professional Certificate - Exploration & Development of Geothermal Resources
GRO-GTP
Kenya 11.2023 - 12.2023
Skills
Reservoir simulation
Reservoir modelling
Data acquisition and processing
Fluid mechanics mastery
Reserves evaluation
Reservoir characterisation
Well testing interpretation
Field development planning
SQL and python programming
Affiliations
Registered Engineer, Engineers Board of Kenya (EBK)
Languages
English
Fluent
Software
Tough2
Leapfrog
Timeline
Professional Certificate - Exploration & Development of Geothermal Resources
GRO-GTP
11.2023 - 12.2023
Wireline Engineer (Freelancer Contract)
JRG Energy Consultants
09.2022 - 11.2022
Reservoir engineer
Geothermal Development Company-
09.2016 - 03.2025
Apprentice Engineer
Kenya Electricity Generating Company (KenGen)
01.2016 - 06.2016
On-the-Job Training
Energy Development Corporation
04.2012 - 05.2012
Bachelor of Science - Geothermal Engineering
Negros Oriental State University
06.2010 - 03.2015
Kenya Certificate of Secondary Education - High School
Kabarnet Boys' High School
01.2005 - 11.2008