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Keywords: Phase Behavior
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5169-MS
... fluid properties and the distribution of nanopores. We integrate the deviated phase behavior into the reservoir model by shifting the critical properties based on extensive simulated results for simple and long-chain alkanes from a prior study. We compare the estimated ultimate recovery (EUR...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5293-MS
...URTeC: 5293 Molecular Simulation of Multi-scale Multi-Component Hydrocarbon Phase Behavior in Liquid-Rich Shale Reservoirs Fangxuan Chen*, Ran Bi, Hadi Nasrabadi, Texas A&M University. Copyright 2021, Unconventional Resources Technology Conference (URTeC) DOI 10.15530/urtec-2021-5293 This paper...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2675-MS
... Abstract The use of foams and energized fluids for hydraulic fracturing treatments has emerged as an interesting technology to increase oil and gas recovery in tight formations. However, there is limited understanding of the compositional and phase behavior of theses complex fluids during...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3135-MS
... Abstract The nanopore confinement plays an important role in fluid phase behavior and transport. However, investigation of the confinement effect on fluid phase behavior and production performance is lacking in the petroleum industry. Conventional models need to be adjusted to account...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3179-MS
.... This work not only deepens our understanding of the confinement effect on phase behavior characterization and also sheds light on the computation of the thermodynamic properties of hydrocarbons in nanopores. The results also provide practical instructions for the EOR development of unconventional reservoirs...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-498-MS
... coexisting with the pre-loaded Bakken oil. Three types of phase behavior can be captured under certain conditions including liquid oil-Vapor CO 2 (LV), liquid oil-liquid CO 2 -Vapor CO 2 (L 1 L 2 V), and liquid oil-liquid CO 2 (L 1 L 2 ), which are common fluid types in the formation during CO 2 EOR...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-248-MS
... gas condensate on the gas permeability on selected pore networks, considering an empirical criterion of condensate pore bridging and gas flow and transport mechanisms. The workflow makes use of Soave-Redlich–Kwong (SRK) EOS to model the fluid phase behavior, Zuo and Stenby's parachor based method...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902592-MS
... gas critical property PVT measurement Phase Behavior confinement nitrogen porous media URTeC: 2902592 Experimental and Theoretical Investigation of the Confinement Effect on Gas Properties in Nano-scale Porous Media Shadi Salahshoor*, Mashhad Fahs; Petroleum & Geological Engineering...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902677-MS
... Abstract Current pressure, volume, and temperature (PVT) analysis used in the development of tight oil reservoirs largely omits the impact of nanopores which may drastically alter the phase behavior of confined fluids. Nanopores represent a majority of the total porosity in tight shale...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2903084-MS
... used equations of state (EOS) to be applied in such reservoirs. The objective of this work is to modify the existing Peng-Robinson EOS (PR EOS) to make it applicable for unconventional reservoir fluids. In this work, techniques have been developed to compute the phase behavior and thermodynamic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2698056-MS
... Summary This paper sheds a new light on the physics of flow and the relevant hydrocarbon recovery mechanisms from liquid-rich shale reservoirs. Spatial confinement in tiny pores affects the phase behavior, fluid properties and flow behavior as a result of the pore proximity. Specifically...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2697659-MS
... shale reservoir shale gas methane porosity vapor pressure hysteresis capillary condensation hydrocarbon capillary pressure Phase Behavior storage mechanism bulk fluid property Reservoir Characterization Upstream Oil & Gas storage measurement fluid property NMR porosity URTeC...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2693139-MS
... Abstract Reliable performance assessment of unconventional reservoirs requires accurate modeling of inter-porosity flow characteristics in hydraulic fractures, microfractures and reservoir rock. In addition, phase behavior in nano-porous rocks plays an important role in reservoir performance...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2669950-MS
... behavior and fluid distribution in shale. Capillary pressure effect on phase behavior of reservoir fluid is analyzed where a dynamic interfacial tension calculation process is incorporated to account for the effect of pore size and fluid composition in capillary pressure calculations. In addition...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2670123-MS
... reservoir simulation Upstream Oil & Gas complex reservoir Phase Behavior Fluid Dynamics Modeling & Simulation PVT measurement confinement oil saturation equation spe annual technical conference pore size distribution permeability relative permeability capillary pressure curve society...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2456191-MS
... Furthermore, the production characterization of tight oil reservoirs is quite different from the conventional one. 3 Recent studies have mainly focused on the fluid phase behavior in tight reservoirs. 4–12 complex reservoir Phase Behavior diameter shale gas shale reservoir nanopore pore...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2459272-MS
...) plays exhibit several other challenges to modeling and analysis, including abnormally flattened produced gas-oil ratio (GOR), complex phase behavior and heterogeneous rock properties, etc. In this paper, we report results of our investigations of multiphase flow in LRS plays including the impact...

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