..., updating the local dip angle, and identifying areas, where additional features, such as thin layers, are to be added. The accounting for density and neutron porosity for layers in the petrophysical analysis increases the efficiency of calculating clay volume and porosity, which affects the saturation...

... in the interaction of metallic fillers with water saturated with carbon dioxide in a reactor at low (room) temperatures and further analysis of the resulting gas mixture using a chromatograph. Qualitative and quantitative evaluation of the produced gas composition, study of the effect of reaction system volume...

... was to reproduce the saturation conditions of reservoirs, initially related to transition zones and characterized by the presence of different types of fluids (formation water / oil). Testing was carried out on duplicate samples, which were characterized by very similar petrophysical properties, and were saturated...

... to thin bed low-porosity reservoirs with a complex structure of void space. The high heterogeneity of deposits laterally and the presence of different levels of oil-water contact (OWC) in the marginal isolated zones necessitate a more accurate assessment of the oil-saturated effective thicknesses...

...-retained oil) and as a film on the surface of hydrophobic minerals (oil films). To confirm this, core analysis tests were performed on three pre-prepared core columns made up of standard core samples with different porosity ϕ , absolute permeability k , irreducible water saturation S wir and other...

... experiment core model oil displacement coefficient reservoir surveillance gas injection method pvt measurement carbon dioxide oil sample co 2 saturation permeability recombined oil sample permian-carboniferous deposit Introduction Due to the accelerated recovery of heavy oil reserves...

... Abstract The article considers the first successful example of the UGS operation process modeling based on a saturation parameter derived from well logging data in a multivariant space-time form. Well logging data is a valuable source of information on the actual gas distribution in the UGS...

... deposits of a complex lithofacial structure of a unique field in the South of Iraq. reservoir characterization complex reservoir geologic modeling well logging log analysis reservoir simulation geological modeling flow in porous media upstream oil & gas water saturation structural...

... coefficient experiment fluid dynamics viscosity core analysis drilling fluids and materials interstitial velocity scenario core plug relative permeability curve permeability mini core plug interfacial tension upstream oil & gas water saturation saturation polymer solution aqueous polymer...

..., and the condensate loss dynamics were compared with and without the presence of water in the system. The method reproducingactual conditions The reservoir gas-condensate mixture was fully saturated with water vapor by calculating phase equilibrium with the brineat reservoir thermobaric conditions...

... for preserving in-situ core saturations are discussed: the collection of an isolated core with subsequent conservation or the preparatory work with the extraction, drying and saturation of samples. While conducting multi-stage compression tests for building Mohr circles, chose of the right moment to stop...

..., to determine free and bound fluids, permeability, residual water saturation, to assess the nature of saturation by analyzing the two-dimensional distribution of relaxation times and diffusion coefficient directly at the wellsite without preliminary core preparation for studies. Efficiency of the unit...

... experiments to calculate the absolute permeability, the creation of residual water saturation using different approaches (simulation of the laboratory protocol and geological process) and the determination of oil displacement when injecting various EOR agents (formation water, carbon dioxide and smart water...

... are associated with a high heterogeneity, a low degree of prediction of effective thicknesses, the difficulty of correctly calculating well flow rates, saturation behavior and, accordingly, water cut, and high production decline rates identified as a result of putting new wells into operation. log analysis...

... and evaluation of dynamic adsorption of chemicals. waterflooding water salinity flow in porous media fluid dynamics enhanced recovery upstream oil & gas concentration viscosity residual oil saturation efficiency phase behavior experiment composition surfactant evaluation chemical...

... spontaneous imbibition experiments performed on the core under ambient pressure. The micro-CT experiments conducted for steady flow core flooding experiments on harsh cleaned cores. The three-dimensional images acquired for dry core, core saturated with brine and kerosene followed by oil injection. For better...

... development. Cores from four post steam flooding drilling wells show that only top 2-3m of the total 25-30m pay zone has a steam chamber which is the main steam channel and its residual oil saturation is about 20%, the other 22-27m pay zone is displaced by hot water and its oil saturation is 40-55%. A 3D...

... within Bazhenov formation was estimated with a numerical simulation using various OM saturation matrices. The main research goal was to determine the influence of specification of input parameters on the cumulative oil production. The result of the study is the conclusion about the influence...

... of gas, attainability of miscible flood, technology of gas injection. This paper combines modern achievements in theory and practice of gas application for EOR with new approaches for ternary phase and saturation diagram analysis, comparison of different gas injection technologies on saturation triangle...

... oil field. Also, report contains design of on-site determination of residual oil saturation using Single Well Chemical Tracer test technology for evaluation of EOR efficiency. Laboratory tests showed, that low-salinity Jurassic water flooding with total salinity about 5 g/l could rase recovery factor...