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Keywords: isotherm
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3722999-MS
... wells. Analysis of these data revealed that the early change in liquid yield above saturation point correlated well with changing trend of C1/C2 ratio with time. This would suggest release of C1 from the adsorbed gas as a viable mechanism for the producing CGR alteration. The classical Type I isotherms...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5550-MS
... and isotherms) under varying stress conditions. The objective of this work is to facilitate the interpretation of laboratory-scale experiments, at relevant conditions, in an attempt to bridge the gap in scales between laboratory- and field-scale observations. We have conducted a series of high-pressure...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-1074-MS
..., and the isotherms used to model adsorption of CO 2 to shale are listed and their advantages and limitations are described. Another main focus of this research is the capacity of CO 2 that can be stored in shale via adsorption. The research therefore covers the adsorption capacity in scf/ton for different shale...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-534-MS
... et al. 2012) PVT measurement Modeling & Simulation Upstream Oil & Gas chalk sample silica gel experimental study porous material bulk fluid isotherm Valdemar field determination thermogram Phase Behavior synthetic porous material different porous material temperature...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902821-MS
... Langmuir isotherm as well as the phase separation of nitrogen at 77 K. We then apply our model to three different pore geometries (i.e. slit, circular and triangular) to simulate nitrogen adsorption isotherm at 77 K, which is frequently used for pore size distribution and surface area characterization...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902677-MS
...-relevant conditions. This methodology progresses the accuracy of PVT analysis for use in unconventional reservoirs. complex reservoir Phase Behavior experiment PVT measurement isotherm nanopore glass bead core holder condensation Reservoir Characterization empty core holder composition...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2886080-MS
... shale gas Upstream Oil & Gas adsorption shale oil oil shale methane information complex reservoir sample cell pore pressure experiment URTeC absorption gas content gas isotherm imaging gas drilling operation van der waal gas equation isotherm adsorbed gas shale sample...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2457581-MS
... by subtracting adsorbed gas reservoir volume from free gas volume in order to obtain improved OGIP estimations. This change was assessed in the context of Langmuir and BET isotherm adsorption models. A 25-year EUR response surface model was created using a semi-analytical model from our previous work. Both OGIP...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2461269-MS
... the fate of residual treatment water in shale systems. In this work, thickness and stability of water film were investigated by water sorption isotherm on clay and shale samples. Meanwhile, a new approach based on surface forces (disjoining pressure), which result in the instability of adsorbed film...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2169349-MS
... well; the other models failed to account for both measurements. shale gas pore structure complex reservoir core 6 Upstream Oil & Gas isotherm adsorption desorption isotherm disaggregated pore evaporation pressure bundle treelike structure adsorption pore mercury spe-178656-m...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2174964-MS
... and the adsorption isotherm can be fitted by Langmuir type of adsorption isotherm. Besides, non continuum features of gas transport behaviors such as slippery boundary and Knudsen diffusion dominated flow demonstrate that conven- tional Darcy s equation may not adequately describe the flow behavior in shale...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1913287-MS
... concentrations. The data could be fit to a Langmuir type adsorption isotherm. The adsorption parameters were determined and results were compared and discussed. This work shows that the non-ionic surfactant is able to reduce the reservoir oil-brine IFT from its original value (27 mN/m) down to 15 mN/m while...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1928491-MS
... Upstream Oil & Gas isotherm porosity compressibility characterization mechanism adsorbed gas fracture equation unconventional gas reservoir shale gas adsorption pseudotime function flow regime reservoir complex reservoir gas desorption society of petroleum engineers...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922165-MS
... pore pressure shale gas equilibrium pressure isotherm Reservoir Characterization Upstream Oil & Gas pore compressibility complex reservoir compressibility porosity apparatus mole correlation sandstone laboratory measurement equation URTeC effective stress shale sample Akkutlu...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 12–14, 2013
Paper Number: URTEC-1583690-MS
... Upstream Oil & Gas organic-rich shale thermal maturity shale gas isotherm porosity standard entropy adsorption clay-rich rock sorption capacity organic-matter type kerogen complex reservoir organic matter thermodynamic parameter clay mineral gas ADSORPTION Langmuir pressure...

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