.... For both cases, advanced and comprehensive logging programs were implemented, combining petrophysics, geological data, downhole testing, and acoustic measurements. These efforts aimed to assess crucial rock properties such as porosity, fluid distribution, lithofacies, saturation, and permeability under...

... Abstract The Gharif sandstone reservoir in the Mukhaizna Field presents significant challenges for reservoir characterization due to its high vertical and lateral heterogeneity. Fundamental petrophysical properties, including water saturation (Sw), porosity, permeability, and Pc...

... Abstract Water saturation (Sw) is a key parameter for evaluating original oil in place (OOIP) and original gas in place (OGIP) for oil and gas reservoirs. Sw can be derived from porosity and resistivity measurements. Standard methods for determining porosity utilize core analysis and downhole...

..., induced gamma ray spectroscopy, borehole microresistivity image, and dipole sonic measurements for the reservoir characterization of the shale-oil reservoir. An integrated solution based on the source rock analysis, reservoir movable oil volume and saturation, fracture development, and brittleness provide...

... the saturation exponent was derived from digital capillary pressure and resistivity index data. The resulting cementation and saturation exponents were consistent with expectations for this reservoir type. The electrical property results were used to calibrate the saturation model in Archie log saturation...

... Abstract This study investigates the complexities of CO 2 injection/storage associated with dispersion in depleted natural gas reservoirs, examining the role of reservoir heterogeneity, permeability distributions, autocorrelation lengths, and variations in residual and mobile water saturations...

... capacity of the reservoir rock causes the distance of CO 2 migration to be greater than the distance of reservoir temperature change. Due to the temperature difference between the initial temperature of the aquifer and the temperature of the injected CO 2 , there is a smaller saturation front...

... matrix mudrock rock type shale gas production forecasting condensate reservoir modeling & simulation mudstone permeability influx compressibility surface condition flowback model emami-meybodi equation journal relative permeability saturation specialty plot hf permeability hf...

...-phase system, including water, (non-aqueous) liquid (typically, CO 2 -rich liquid phase), gas, and two solid phases, namely hydrate and salt. The model is designed to simulate the formation and dissociation of hydrate in porous media as well as CO 2 -H 2 O partitioning. Three distinct water saturation...

... Abstract Fluid saturations are essential parameters in reservoir analysis due to their impact on reserve estimation and petroleum economics. Traditional methods for determining these properties are often limited by high costs, extensive time requirements, or inadequate accuracy. This study aims...

... conditions, where the effluents were collected every 0.05 PV for high-performance liquid chromatography and pH analyses. It is found that the pH of the CO 2 -saturated brine and the charge of the mineral surface are heavily dependent on CO 2 pressure, which can therefore affect the surfactant adsorption...

... to enhance oil recovery and increase CO 2 storage capacity. sedimentary rock geologist fluid dynamics complex reservoir carbonate rock geology carbonate reservoir subsurface storage rock type co 2 nanoparticle concentration saturation hysteresis flow in porous media enhanced recovery...

... geology subsurface storage enhanced recovery scale remediation production control wax remediation flow assurance permeability reduction machine learning university paraffin remediation ch 4 co 2 chemical flooding methods geological subdiscipline reduction saturation oilfield chemistry...

... on data from single phase gas producing wells and for data from wells producing hydrocarbon and water if well pressure is above fluid saturation pressure. The new equations required for successful FLF analysis when the data comes from wells producing hydrocarbon and water above fluid saturation pressure...

... Sandstone Permeability variation factor 0.1 The reservoir area, acres 19,000 Flooding pattern Five Spots Formation thickness, ft 40 Average porosity, % 20 Average permeability, mD 240 Average connate water saturation, % 28.6 Reservoir temperature, °F 194...

... to establish a baseline, followed by 11 cycles of Surfactant Alternating Gas (SAG) injection for foam generation. A robust surveillance program was implemented for real-time monitoring of pressure responses, saturation profiles, and reservoir fluids dynamics, ensuring a detailed evaluation of the SAG flooding...

... Abstract Miscible gas injection is the most widely applied enhanced oil recovery (EOR) method in light oil carbonate reservoirs, both as tertiary and secondary method. Miscible gas has high displacement efficiency and usually results in a low residual oil saturation (S orm ) in the part...

... proposes the use of a basic diagnostic plot derived from Darcy flow equation to predict unstable flow as a phenomenon happening not only in the wellbore, but also in the reservoir due to gas blockage caused by an increase in liquid saturation near wellbore. It will be demonstrated that critical rate...

... fluid sensitivity was picked in both flowing and shut-in passes. This was complemented with the extraction of a new MDPN nuclear attribute responding to condensate in borehole. Additional MDPN nuclear attributes were used to assess the change in saturation components, including condensate. The bespoke...

... measurements which in turn increases the data confidence. Depending on rock quality and wettability NMR data might give some good insight in fluid saturations. Furthermore, NMR data gives a permeability Index (also while drilling) which can be useful for selecting pressure stations while drilling, it might...