... Abstract Petroleum fractionation during migration and production is the progressive compositional change as petroleum fluids migrate through or are produced from porous media. This study employed Fourier Transform Ion Cyclotron Resonance mass spectrometry (FT-ICR-MS) coupled with atmospheric...

... light oil and wet gas. Natural gas plots reveal reversed carbon and hydrogen isotope trends which reflect (1) mixing of hydrocarbons of different thermal maturities, (2) Rayleigh fractionation of wet gas during redox reactions with formation water at high temperatures, and (3) isotope exchange between...

... 2017, Meng 2016) cuttings and core chips sealed in headspace, and there are many results reported that there are large isotopic shifts and several models have been proposed that relates the heavy fractionation to permeability and sweetspots. Here, we first use such measurement to show...

...URTeC: 375 Production Fractionation and Efficiency Indicators from Phase Snapshots Brian Horsfield*1, Nicolaj Mahlstedt1, Eric Michael2, Neil McMahon3, Mark Tobey4; 1. GEOS4 GmbH, 2. ConocoPhillips, 3. Kimmeridge Energy, 4. Encana Oil and Gas (USA). Copyright 2019, Unconventional Resources...

... fluids but are systematically lower (130-150 versus 172 Sm³/Sm This is due to production fractionation, i.e., preferential retention of high molecular weight and polar non-hydrocarbons. In line with that, produced oils show an enrichment of N1- containing compounds whereas in-situ fluids are dominated...

... complex reservoir paraffinicity migration shale gas heterogeneity Geochemistry structural geology fractionation thermal maturity Reservoir Characterization Upstream Oil & Gas stack east application aromaticity Mississippian organic geochemistry sesquiterpane Cosmochimica...

... Abstract Petroleum composition is a function of the source rock kerogen type or mixtures thereof, thermal maturity, and any alteration effects. Alteration may result from any number of processes, but also include expulsion and production fractionation, where non-polar compounds...