Gas isotopes are a flexible tool, adding value in any phase of the upstream activity. For many years, natural gas was primarily characterized by its chemical composition. In the early 1980s, the isotopic characterization of gas was extensively introduced, mainly to distinguish between a thermogenic or biogenic origin of the gas. The increasing availability of isotopic gas-composition data has revealed the ability to provide many additional key pieces of information, including gas maturity, gas provenance, migration patterns, caprock efficiency, reservoir continuity, and well integrity. Isotopes have also been used for geosteering in unconventional reservoirs, maintaining the wellbore within the most prolific organic facies. GEOLOG offers a comprehensive range of carbon isotopic analyses at the wellsite by use of a patented analytical solution. The technology uses equipment based on laser spectrometry to bring isotopic analysis to the wellsite, with the capability to provide isotopic analysis of methane, ethane, and propane while drilling. This ability to perform a multicomponent analysis in real time combined with flexible sampling intervals, all backed by laboratory-quality levels of accuracy, provides a significant advantage to the operator. This service allows the development not only of a high degree of competency in data acquisition but also in the interpretation of the data gathered.
For more information, visit www.geolog.com.
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