12.07.2015 Views

Next* Magazine, Issue 4 - Chevron

Next* Magazine, Issue 4 - Chevron

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Next GenerationKrista Heidersbach:Corrosion FighterKrista Heidersbach faces a tough situation.She manages corrosion-related researchwithin <strong>Chevron</strong>, with a significant focus ontop-of-the-line corrosion, which occurs inwet-gas pipeline systems when water carriedby the gas condenses during transportation,damaging the pipeline.According to Heidersbach, this problem isespecially prevalent in the Asia-Pacific regionand Australia’s North West Shelf, costingthe industry millions of dollars annually inpipeline replacements. Heidersbach is alsoactively involved in research on corrosioncaused by microorganisms found in seawaterthat compromise nearly every engineeringmetal and alloy used offshore.Recent projects include a wet-gas pipelinesystem in Thailand. She has worked on majoroffshore capital developments in Angola,Nigeria and the U.S. Gulf of Mexico. “Throughour research, we are gaining a better understandingof the various causes of corrosionand the steps we can take to prevent ormitigate it,” said Heidersbach. “Corrosion isa big problem, and we have a constant goal—making sure pipe can last for the design lifeof the project.”Heidersbach, a nine-year <strong>Chevron</strong>employee, received her bachelor’s degree fromSouthern Methodist University in Texas and hasa Ph.D. in engineering science and mechanicsfrom Pennsylvania State University.Trevor Demayo: Alternative Energy InvestigatorTrevor Demayo leads ETC’s low-carbon energy team. In that capacity, he supervises fourpeople and collaborates extensively, performing due diligence on various alternatives:including solar, wind, geothermal, nuclear, fuel cell and electric vehicle technologies.Demayo and his team project future energy trends, developing economic and technicalassessment models to help guide <strong>Chevron</strong>’s strategic planning.Recent activities include a project in Angola to eliminate gas flaring by tracking theprogress of reduction plans and reporting the results to senior management. Demayoworks with <strong>Chevron</strong>’s university partners, helping to rank and prioritize research proposalsfor company funding and developing strong collaborative relationships in advanced energyresearch and development.Demayo is currently representing <strong>Chevron</strong> on the Intergovernmental Panel on ClimateChange special report on renewable energy sources, for which he and his team are helpingwrite and co-edit chapters on geothermal energy, bioenergy and transportation. “<strong>Chevron</strong>is one of the few companies involved in coordinating this effort,” said Demayo. “Projectssuch as this one underscore the seriousness of our commitment to studying and promotingalternative energy among virtually the entire range of potential applications.”Demayo has been with <strong>Chevron</strong> since 2003. He did his undergraduate work at SimonFraser University in British Columbia, Canada, and has a master’s degree and Ph.D. inmechanical and environmental engineering from the University of California, Irvine.PHOTOS, FROM TOP: PAUL S. HOWELL; MARILYN HULBERT48 | <strong>Next*</strong>

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