... Abstract Most of the prolific fields in Niger Delta are increasingly producing water with substantial bypassed oil saturation left unrecovered. The major challenge facing oil and gas industry today is the ability to maximize recovery; reducing the residual oil saturation left trapped after...

... flooding method and increased up to 90.41 % in CSF method. The remaining oil saturation reached to 0.35 during water flooding and dropped to 0.061 during the CSF. Moreover, the result obtained in CSF which indicates that the optimum porosity and permeability range of 0.26 to 0.29 in porosity and 390...

... reservoir fluid dynamics efficiency enhanced recovery waterflooding oil recovery efficiency experiment oil viscosity oil saturation wettability waterflood oil recovery oil recovery recovery wettability alteration interfacial tension flow in porous media carbonate reservoir viscosity...

... waterflooding resource in place estimate completion oil saturation injection water injector water injection Introduction Mature fields around the world face the continued challenge of declining reservoir production and the search for economic development strategies to extend field life. Both...

... In the volumetric equation of estimating OIIP, oil FVF (B o ), oil saturation (S oi ), and porosity (∅) are key parameters that are uncertain in estimating OIIP. The volumetric model equation is written as: (1) STOIIP = 7758 V b ∅ ( 1 - S Wi ) B oi...

... of salinity" measurement it detects to indirectly measure formation oil saturation, really like electrical logs. Thermal neutron capture which is the primary measurement, is very much affected by salinity of the formation water. High salinity is required and must be known so as to detect oil as "low saline...

... gas injection method upstream oil & gas pseudo-black oil model enhanced recovery equation of state pvt measurement bubble point pressure fluid property mmp oil saturation gas miscibility history match gas miscible process solution gor compositional model saturation Introduction...

... ABSTRACT Obtaining a core behind the flood front appears to be the most appropriate way to directly measure residual oil saturation. Conventional analysis based on resistivity logs requires the water salinity to be known. As the pore space behind the flood front contains a mix of formation...

... pixel oil production salinity waterflood oil recovery Upstream Oil & Gas Efficiency experiment oil saturation waterflooding porous medium viscosity residual oil saturation sea water enhanced oil recovery calcite grain flood rate quartz grain Oil Recovery Introduction Since...

... Upstream Oil & Gas experiment berea core sample different concentration nanoparticle waterflooding Surfactant Flooding oil saturation saturation interfacial pressure enhanced recovery concentration residual oil saturation flooding core sample mechanism recovery mechanism...

..., the residual oil saturation to water in the presence of trapped gas becomes an issue. The objectives of this study are: The field is highly faulted with 9 hydrostatically pressured reservoir horizons from D9500 to F2000. The E1000 reservoir is believed to communicate with the E1800 and E2000 reservoirs...

... of remaining oil saturation (ROS) of the swept region, the vertical efficiency, and the pattern efficiency. Analysis of open hole logs from recent infill wells in the Eko field that penetrated swept intervals provided useful insight into in-situ ROS values. The found ROS of between 0.05 to 0.11 were...

... that influence recovery when designing such projects. Reservoir Characterization oil reservoir high recovery interpretation Upstream Oil & Gas recovery oil saturation macroscopic sweep efficiency Stoiip depletion consideration recovery factor reservoir enhanced recovery sand quality...

... of grain size on residual oil saturation (ROS) from experimental studies of oil recovery potentials of a formulated ASP slug in synthetic porous media. 1% weight of sodium hydroxide (NaOH), 0.15% weight of shell enordet 0242 supplied by shell research centre and 0.02% weight of hengfloc 63020 were used...

...) methods provide an avenue to Petroleum engineers to unravel this challenge. In lieu of this, we investigated the feasibility of improving recovery with polymer flooding technique in the Niger Delta region of the Sub-Sahara Africa. A sequence of brine saturation, oil saturation, water flooding and polymer...

... Abstract In this work, we present extensive study of Alkaline-Surfactant-Polymer (ASP) flooding in reduction of residual oil saturation in both core plugs and heterogeneous beads-packs. During the ASP flooding of the core plugs, the effectiveness of the ASP flooding EOR technique on a typical...

... of grain size on residual oil saturation (ROS) from experimental studies of oil recovery potentials of a formulated ASP slug in synthetic porous media. 1% weight of sodium hydroxide (NaOH), 0.15% weight of shell enordet 0242 supplied by shell research centre and 0.02% weight of hengfloc 63020 were used...

... flooding in reservoirs with similar properties of the cores used in the experiment can be inferred. chemical flooding methods concentration experiment enhanced recovery Efficiency sweep efficiency surfactant polymer viscosity oil saturation Upstream Oil & Gas mobility ratio operation...

...% production reduction. Hence, fracture porosity and storativity capacity are considerable factors in reinfiltration mechanism in naturally fractured reservoirs. Upstream Oil & Gas lower matrix block gas-oil gravity drainage equation reservoir simulation Gravity Drainage oil saturation...

... Efficiency residual oil saturation surfactant water flooding Upstream Oil & Gas mechanism asp flooding saturation chemical flooding methods Brine gum arabic slug displacement efficiency polymer Sodium Hydroxide oil saturation Lauryl Sulphate Oil Recovery Introduction Over time...