https://www.usgs.gov/publications/molecular-and-isotopic-analyses-hydrocarbon-gases-within-gas-hydrate-bearing-rock
Gas hydrates, which are crystalline substances of water molecules that encase gas molecules, have the potential for being a significant source of natural gas....
hydrocarbon gasesmolecularisotopicanalyseswithin
https://kpfu.ru/eng/priority-areas/oil-production-refining-and-petrochemistry/world-class-laboratories/laboratory-of-stratigraphy-of-oil-and-gas-bearing
Laboratory of Stratigraphy of Oil and Gas Bearing Reservoirs
gas bearinglaboratorystratigraphyoilreservoirs