Abstract
In oil and gas fields all over the world, nearly 3.5% of the available natural gas is being wasted and flared off into the atmosphere. The Carbon Di-Oxide (CO<inf>2</inf>) emissions from such gas flaring sites lead to global warming and climate change. Microturbine technology can be implemented at such oil and gas field sites to utilize the energy from the waste flare gases to generate electricity. The oil and gas field area considered for this study is also rich in other DERs (Distributed Energy Resources) like- solar energy and hydro energy considering its proximity from the tributaries of the Brahmaputra river flowing in the region. The presented research paper explains the modeling and simulation of a MicroGrid System, having Gas Micro-Turbines, Solar-Photo-Voltaics, Micro-Hydro Turbines, batteries, loads, and controllers using “Hybrid Optimizer for Multiple Energy Resources” (HOMER). An in-depth analysis of the Hybrid Energy System (HES) designed for the Nazira oil and gas fields in upper Assam- India, and its economical and ecological advantages over the existing only grid system are presented in this paper. The Levelized Cost of Energy (LCOE) over the next 25 years for the existing grid was $0.216 whereas, for hybrid architecture, LCOE was$0.114. As a result of the installation of the Hybrid Energy System, the CO<inf>2</inf> emissions will be decreased by 850,922 Kg/year and there will be a reduction of $5.9M in terms of Net Present Cost (NPC) calculated cumulatively for 25 years, making it a far more superior and sustainable alternative to the conventional grid system in oil and gas field areas.
Published Version
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