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AAPG Southwest Section Annual Convention

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Finding the Sweet-Spot in Unconventional Resources using Onsite Isotope Analysis and Tight Oil Analyzer

Abstract

As the oil industry emerges deeper into the unconventional drilling and production of oil and gas reservoirs, more advanced techniques have been developed to better model unconventional resources with respects to their different fluid properties, transport mediums, and nano-porosity and ultimately, a competent, reliable method for identifying sweet spot targets. Paladin Geological Services has developed a novel method utilizing onsite organic geochemical analytics (Onsite Isotope Analysis and Tight Oil Analysis) to determine the key factors (light hydrocarbons, relative permeability and pressure, and isotopic profiling) which supply operators with a zone- by-zone characterization of sweet spot targets during drilling of unconventional reservoirs. Paladin applies onsite isotope analysis (δ13C1,2,3) on both mud gases (free-state gases) and headspace cuttings gases (dynamic/multi-stage testing protocol) with corresponding concentration measurements (C1-C6+) to determine relative permeability and pressure and high production targets during drilling in real-time. In addition, Paladin also performs proprietary Tight Oil Analysis (TOA) to identify light hydrocarbon species (