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1-16 of 16
Keywords: alteration
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Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4035176-MS
..., investigating the evolution of fracture and matrix physical properties during CO2 pre-fracturing. Firstly, the CO2 and water fracturing experiment was conducted by a pseudo-triaxial fracturing device, and the alterations in fracture permeability under varying effective stresses are examined. Secondly...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4032227-MS
... flooding methods geological subdiscipline climate change orientation reaction reduction diffusivity anisotropy geochemical reactivity equation 1 silicate caprock concentration diffusive leakage journal diffusion coefficient urtec tortuosity alteration URTeC: 4032227 Diffusive Leakage...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4042763-MS
.... After saturation, the samples were exposed to H2 at a pressure of 3000 psi and temperature of 150°F for period of up to 5 weeks. The samples were re-imaged in the exact same areas as prior to H2 exposure. SEM results show alteration to some degree in the microstructure of most of the samples...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4044650-MS
... formulations, resulting in a reasonable understanding of major alterations occurring during stimulation (Harrison et al. 2017, Jew et al. 2017a, Jew et al. 2017b, Dustin et al. 2018, Jew et al. 2020a, Paukert Vankeuren et al. 2017, Jew et al. 2021, Jew et al. 2022). These alterations...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4055021-MS
... fluid. These geochemical interactions have the potential to modify pore structures and hinder mass transport, which drives the imperative to understand the alterations induced by stimulation fluids in the Mowry Shale. In this research, Mowry Shale samples were allowed to react with two fluids. Initially...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3860229-MS
... recovery complex reservoir geological subdiscipline unconventional resource technology conference producible hydrocarbon evaluation niobrara biogeochemistry kerogen alteration carbon isotope donohue Abstract Traditional assessment of "free" oil-in-place via programmed pyrolysis can...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3864852-MS
... sequestration dissolution felipe cruz sidi mamoudou brine experiment alteration oxide exposure precipitation quartz deepak devegowda composition Abstract In efforts to reduce atmospheric carbon emissions, increasing attention has been focused on permanent and safe geological storage of CO 2...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3867104-MS
... that consume hydrogen, generate undesired gases, and alter pore structures of wellbores. Here, we present observations of biogeochemical alteration of wellbore cement after interactions with H 2 . Experiments were conducted with a wellbore cement core and shale submerged in synthetic formation brine...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3864823-MS
... Abstract Carbon sequestration is one of the approaches to achieve carbon dioxide reduction in the atmosphere. Underground storage of CO 2 requires an understanding of geochemical and geomechanical alteration on the integrity of the injection wellbore. In this study, we investigate...
Proceedings Papers
Evan Kias, Rahul Kumar, Bradley Abell, Ashish Mathur, Colton Barnes, Brian Chin, Chad Belanger, Safdar Ali
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5698-MS
... minerals. Tuning of the water salinity has shown positive results to reduce swelling, but problems persist due to alteration in the wettability of the pore system. Proper choices of friction reducers and surfactants have shown remarkable differences in Interfacial Tension Tests (IFT) reduction, and rock...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2956-MS
... Abstract During hydraulic fracturing of unconventional reservoirs, injected fluids and proppants induce a series of chemo-mechanical alterations that impact fluid flow. There is a wide range of alteration types from geochemical reactions to proppant emplacement, which requires understanding how...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2559-MS
... of ∼5.6). This dual reactivity mechanism drives dissolution and precipitation processes, which alter petrophysical properties of the shale, and lead to a significant impact on flow pathways. Barite formation occurs on nucleation sites such as dissolved calcite but is absent on more resistant minerals...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-295-MS
... Abstract The concept of shale oil EOR by adding surfactant into fracturing fluid became quite popular in the recent decade. Mechanisms of the improved productions are either Interfacial Tension (IFT) reduction or Wettability (WTB) Alteration. While surfactant based shale oil EOR has been...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2857198-MS
... the possibility of monitoring the alteration of elastic properties of a low- permeability liquid shale reservoir over time (time-lapse) and implementing it as a means of identifying poorly fractured regions. This is achieved by performing petro-elastic and seismic forward modeling before and after a substantial...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2884598-MS
... systems were tested in this work consisting of one case of water without surfactant component as the base case and three cases with different surfactants. Reduction of IFT, alteration of wettability to water-wet region, and stable zeta potential were observed for the three surfactants tested. Adsorption...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2153955-MS
... that maybe integrated into geophysical data sets to interpret stratigraphic boundaries and changes in basin architecture over geological time. Reservoir Characterization Upstream Oil & Gas organic matter Duvernay Formation structural geology alteration kerogen type complex reservoir western...