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Keywords: saturation
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200346-MS
... dynamics experiment surfactant upstream oil & gas concentration imbibition oil shale shale reservoir low salinity brine flow in porous media waterflooding surfactant concentration oil recovery matrix enhanced oil recovery brine fracture water phase saturation unconventional shale...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200408-MS
... surveillance techniques planned for the baseline, ASP flood monitoring, residual oil saturation and incremental recovery estimates from the pilot. The Bhagyam is an onshore field in the Rajasthan state of western India and is part of Mangala-Bhagya m- Aishwariya (MBA) development in the Barmer basin. The main...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200395-MS
... of reservoir for the LGR model (i=7:15, j=5:19 and k=2:5) showing map of initial water saturations. Fractures are represented by the innermost sub-gridblocks identified with highest water saturation. The dashed black line represents a horizontal well. Gridblocks that contain fracture segments...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200352-MS
... to determine the remaining oil saturation after waterflood and after injection of the SP formulation. The Single Well Test was completed in accordance with the objective without any recordable HSSE cases ahead of schedule. The composition of the injected SP formulation was well within the specifications...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200347-MS
... development. Design parameters key to the surfactant implementation included: surfactant type and concentration, Critical Micelle Concentration (CMC), fluid saturations, oil composition, formation water salinity, fracture intensity, and treatment soak timing. Laboratory experiments included interfacial...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200322-MS
... at reservoir conditions (4,500 psi and 183 °F) using field crude samples and the associated gas composition. Seven injection/production cycles were applied to a re-saturated standard core plug with oil production observed and measured in the effluent. Cyclic injection continued until no further oil could...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200410-MS
... are the minimum and maximum values of the Euler characteristic for a phase in a given porous medium. χ min corresponds to the completely connected state of a phase, which is possible at full saturation of that phase whereas χ max corresponds to the completely disconnected state of a phase and therefore...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200371-MS
... which the gas mobility tends to increase again due to destabilization of foam lamella and reduced foam strength (0.5 mL/min, shear thinning regime). For these experiments, core #19 (length = 1.8 in) was prepared by injecting 2 PVs of brine through the core flood apparatus to ensure saturation...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200421-MS
... extrapolate the average oil saturation versus pore-volume −1 plot to obtain the residual oil saturation as shown in Figure 5 . For unit viscosity ratio, the predicted residual oil saturation of 0.3 is the same as the residual oil saturation specified using the relative permeability curves. Figure 4...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200355-MS
... artificial intelligence flow in porous media reserves evaluation upstream oil & gas concentration polymer injection reservoir surveillance waterflooding injector reservoir characterization enhanced recovery reservoir simulation fluid dynamics simulation model saturation recovery factor...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200470-MS
..., we develop and apply a comprehensive laboratory protocol on a tight core plug to simulate leak-off and flowback processes under reservoir pressure, with and without initial water saturation (S wi ). We evaluate the possibility of pore-throat blockage by comparing pore-throat size distribution...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200438-MS
... saturation ct number upstream oil & gas saturation profile relative permeability pressure gradient flow in porous media residual water saturation composition gfe relative permeability curve capillary number permeability equation fluid dynamics gibb free energy experiment saturation...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190166-MS
... based on standard core plugs sizes. With regards to size reduction, miniaturization of coreflood experiments have been also developed recently [ 7 – 9 ]. In these works the objective was to image pore scale mechanisms and local fluid saturation and not experimental time reduction. Yet, it has...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190168-MS
... gas phase separated by thin water films (lamella). However, foams are not expected to remain stable in porous media partially saturated with oil, and in pore-spaces not strongly water-wet, due to the detachment and collapse of lamella in contact with oil-wet pore walls ( Prud’homme and Khan 1996...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190300-MS
... concentration Wheeler gas injection method geomechanics saturation Upstream Oil & Gas oil production relative permeability hysteresis co 2 hysteresis gas injection reservoir injection enhanced recovery Sequestration pressure margin coupling geomechanics continuous gas flooding permeability...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190285-MS
... core-flood experiments were performed in Bentheimer sandstone cores. Nitrogen was injected into cores saturated with n-hexadecane at connate water saturation at constant pressures (5 and 10 bar) and while varying backpressure (5 to 60 bar). Nitrogen was also injected at residual oil to waterflood...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190301-MS
... highly accurate saturation estimates in the virgin zone. (1) S w = a R w Ø m R t n The formation water resistivity ( R w ) value was obtained based on analysis of water samples taken from the Burgan formation; the saturation exponent ( n ) and the cementation...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190254-MS
... displacement to greatly lower residual oil saturation and increase oil mobility. Polymer increases water viscosity to improve the water flood efficiency. Polymer stays only in the aqueous phase. In the model, the viscosity of the aqueous phase increases as the concentration of the polymer increases...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190295-MS
... asphaltene inhibition composition asphaltene formation reservoir permeability remediation of hydrates relative permeability saturation gas flooding crude oil Phase Behavior asphaltene phase behavior wettability alteration equation Upstream Oil & Gas Asphaltene Precipitation asphaltene...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190273-MS
... saturation displacement efficiency local displacement efficiency Many laboratory experiments investigating the mechanisms of CO 2 displacement have been reported in the literature. Rathmell et al (1971 ) presented the development process of the multiple-contact miscibility in CO 2 -oil systems...

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