Alexsandra D. Martinez
Senior Engineer, Vice President
Alexsandra D. Martinez joined DeGolyer and MacNaughton in September 2015 as a petroleum engineer specializing in reserves evaluation. She has 14 years of experience in the industry.
Martinez earned a bachelor’s degree in petroleum engineering from Texas A&M University in 2011 and a master’s degree in petroleum engineering in 2024. She has been an active member of the Society of Petroleum Engineers, serving in several leadership roles, including as Reservoir Study Group Chair in 2018 and as Chair of the SPE Gulf Coast Section in 2023. She is fluent in both English and Spanish and was named a Vice President of D&M in 2025.
Geographical Experience
- Argentina
- India
- Saudi Arabia
- United States
Topical Areas of Expertise
- Reserves and resources evaluation
- Well performance analysis
- Assessment of unconventional resources
- Production forecasting
- Simulation modeling
- Geological modeling
Major Projects
Martinez estimates reserves using decline‑curve analysis and production diagnostics, integrating current well economics with development planning to support defensible reserves and resources evaluations. She performs well performance assessments in unconventional resources plays using production performance diagnostic techniques within a consistent technical workflow aligned with the standards of the SEC and PRMS. She has experience across multiple North American basins, including the Bakken, Bone Spring, Eagle Ford, Haynesville, Mississippian, Marcellus, Niobrara, Three Forks, Utica, Woodford, and Wolfcamp, and actively contributes to the development of internal software tools for analyzing and forecasting unconventional production data.
Prior to joining D&M, Martinez worked for 4 years at Anadarko Petroleum Corporation (Oxy) in the Reservoir Technology Group as an Independent Reservoir Engineer Consultant. Martinez participated in the project planning and data acquisition for all Southern Region microseismic projects completed from 2012 through 2015. Martinez has experience in building single-well geomodels to export and use for simulation. In addition, Martinez performed numerical simulation studies to evaluate drainage area and well spacing in the Haynesville Shale and well performance of infill wells in the Marcellus
