.... This was achieved through first determining the true S orw for carbonate outcrops samples using centrifuge and coreflooding technique for comparison, then showing the effects of trapping number, permeability, and initial oil saturation on S orw , and finally characterizing the CDC through further reducing this S...

... and gas volumes in place and model saturation distribution. The behavior of the primary drainage curve is controlled by the pore throat size distribution, where a much wider pore throat size distribution is observed for heterogenous reservoirs. The objective of this paper is to determine capillary...

... been utilized to determine the residual oil saturation (Sor) before and after chemical injection in a one-spot pilot and cost-effective manner approach. Two wells and two different chemical formulations were investigated for AS injection responses and four tests were conducted in sequence...

... scales. fluid dynamics permeability experiment equation petroleum engineer upstream oil & gas scenario rigorous digital rock technology validation modeling mixed-wet scenario flow in porous media saturation swi saturation direct hydrodynamic simulator porosity simulator...

... Machine learning can also be helpful to improve NMR models and predict petrophysical properties for carbonate rocks such as porosity, permeability, and irreducible water saturation. To apply ML, the selected algorithm is trained on the available dataset to establish a relationship between...

... saturation will reduce the relative permeability of oil and hence results in a lower recovery factor. Figure 3 General schematic of an injector and a producer. Abstract This paper explains the importance for implementation of early water flood in near saturation pressure oil reservoirs...

... theory. Figure. 2 Qualitative Screening Workflow. For water-based chemical agents such as polymer, alkaline and surfactant, LDE is calculated using the same equation with necessary modifications of water viscosity and/or endpoints saturation, Eq. 1 . (1) L D E = ( S...

... and 9 m thick oil rim with a water zone at the bottom. The average initial water saturation in the gas zone is 37%. The field is planned to be depleted by three vertical wells, which were tested with a gas rate up to 365,000 sm 3 /d. A 3D view depicting the initial fluid distribution is shown in Figure...

... europe government enhanced recovery discrete tubing migration id 2 7 8 climate change co2 saturation forecast latin hypercube wellbore Introduction Dynamic Reservoir Parameters: Hydrodynamic properties and a development strategy were added to the static models, to enable reservoir...

... ) we can find several commercial software dedicated to oil reservoir simulations such as STARS of CMG, ECLIPSE-100 of Schlumberger, REVEAL of Petroleum Experts. ECLIPSE Compositional simulator (E300) is used for CO 2 sequestration. The main variables here are the pressure and the saturation...

... flow in porous media core analysis comparison upstream oil & gas well logging sample test deviation fluid dynamics sequence saturation nmr derived capillary pressure curve balcom society imaging evaluation plug united states government log analysis nmr resolution...

... As part of this study, different ML algorithms were used for outlier detection, core data clustering and analytical saturation function coefficients correlation to the petrophysical properties. These algorithms are briefly described hereunder. Outlier Detection Abstract Capillary...

... volumetric method. It presents a lot of uncertainties due to the unknown oil water contact (WOC). Absence of 3D Geological Model: Sonatrach did not have any geological and dynamic models for the concerning reservoir to study the different development scenarios. Uncertainty in the water saturation...

... ways of borehole based reservoir surveillance techniques, Carbon/Oxygen (C/O) mode of pulsed neutron (PN) logging is currently the first choice for quantitatively assessing reservoir fluid saturations for reservoir surveillance, especially those reservoirs undergoing different flooding regimes, where...

... guides the management of the field and increases its recovery. Abstract Monitoring fluid saturation and reservoir surveillance are essential techniques for effective reservoir management. As reservoirs age and water sweep advances, it becomes more difficult to find infill well placements. Reservoir...

... There are several benefits from PNL deployment in this trial: Wider and more precise capture and inelastic elemental spectroscopy resulting in more precise lithology and matrix properties, and oil saturation due to high-output pulsed neutron generator coupled to improvement in LaBr3 near...

.... The measurement was conducted using one oleic and one aqueous phase, applying different fractional flow steps, mimicking the range of varying water saturation in the reservoir during the depletion process. The used microchip has a synthetic pore-structure design with circular grain shapes. The measurements...

... Summary Unstable supply of renewable energy arises with the inevitable seasonal dependency, which contradicts with periodic energy demand. As hydrogen shows high energy density and mobility, yet low solubility and residual saturation, underground hydrogen storage (UHS) becomes a promising...

... characterization completion saturation ffrm Introduction The main objectives of the study are to identify incremental recovery options above the baseline FDP, which can be converted into additional opportunities/ projects to increase production and support the Hydrocarbon Maturation Process (HCM...

... the relative permeability curves and residual CO 2 saturation under different salinity conditions. These data were applied in the subsequent filed-scale CO 2 geo-sequestration simulation models filled with different salinity brine. The migration distance, residual trapping capacity, and solubility trapping...