... of various influences on the electrical constraints which included cementation factor, the shape factor for the lithology and saturation exponent. well logging porosity core sample Upstream Oil & Gas carbonate rock resistivity index measurement Archie Pore System carbonate saturation...

... mechanical property limestone society of petroleum engineers Sequestration co2 storage geomechanical study co2 injection core sample carbonate rock carbonate reservoir permeability aquifer Introduction Release CO 2 of gas in the environment is one of the main concern and reason...

... that used to measure permeability ( Shen & Bae, 1987 ). In this technique, two phases are injected simultaneously at constant rates and pressure ( Kantzas et al., 2012 ; Shen & Bae, 1987 ) (see Figure 2 ). The system is assumed steady-state when the pressure drop across the core sample is constant...

... the effectiveness of EDTA and GLDA chelating agents for improving oil recovery from limestone core samples. All experiments were conducted using an overburden pressure of 2500 psi, pore pressure of 1500 psi and temperature of 100°C. The oil recovery and pressure drop across the core samples were recorded...

... and measurements are controlled and collected continuously by using data acquisition system. Flooding run was conducted at reservoir conditions of 5000 psi confining pressure, 2000 psi pore pressure and temperature of 60ο C. The procedure started with the core sample dried at 60° C for 24 hours to dry any...

... used in this study is Cr(III), and its stock solution was prepared using chromium(III) acetate. Table 1 . Three sets of dual-plug composite core samples were assembled for displacement tests. Varied levels of heterogeneity were tested. Figure 1 presents the 2-plug composite core configurations...

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... NMR dispersion Upstream Oil & Gas sequence korb limestone core sample relaxation society of petroleum engineers crude oil rock surface wettability Introduction Wettability is defined as "the tendency of one fluid to spread on or adhere to a solid surface in the presence of other...

... are recorded using spinning drop tensiometer and lie in the range of 10 −1 to 10 −2 m-Nm −1 . Effects of concentration, time and temperature on IFT are evaluated. It is also noted that ultralow IFT is obtained at 50°C and 80°C. Static adsorption has been evaluated by shaking the powdered core samples...

... the mobility of injected fluid in polymer flooding along with a sensitivity analysis of influential parameters. Initially, a coreflooding experiment on carbonate core sample is performed using partially hydrolyzed polyacrylamide, SAV 10 under high temperature high salinity conditions. The coreflood apparatus...

... Measurement reservoir core sample resistivity movable oil tracer test tracer salinity hydrocarbon core data spe annual technical conference Introduction When applying a tertiary recovery on a swept reservoir, it is very important to have a good estimate and distribution of the baseline...

... contents (8 - 12wt%). The core samples were characterized through XRD, SEM and NMR firstly before coreflood experiments to identify the presence and distribution of the different minerals inside the pore system and after the flooding experiments to evaluate the rock integrity after interaction...

... dynamic retention ranging from 0.155 to 0.530 mg/g-rock, and showed a decreasing trend for more permeable core sample. Finally, the studied carbonate constituted of 15.2% to 20.9% pore-volume that was inaccessible to the polymer. Those results besides being essential for numerical-based upscaling...

... displacement experiments on carbonate core samples to demonstrate oil recovery improvement by gel treatment. In these tests, the gel solution was injected into specially prepared heterogeneous carbonate composite core samples, in which different configurations of high permeability channels were created. Gel...

...Experimental Setup Fig. 4 is a schematic digram of the core flood set up. The core holder is accommodated in a constant temperature oven, which can held the core in at mimicked reservoir temperature at 194 0 F and confining pressure of 3000 psi. The pressure drop was across the core sample...

... flooding saturation ionic liquid Oil Recovery flooding IL solution water flooding core sample tertiary flooding permeability Introduction In this section, experiments procedure and scenarios are explained; then, simulation results are described in details. First scenario (Tertiary...

.... Sequential coreflooding tests using limestone core samples following seawater flooding with an increasing concentration of the chelating agent EOR fluids revealed significant incremental oil recovery ranging from 16 to 26%OOIP without any significant increase in the pressure drops. The sequential flooding...

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... reactants were separately injected into core samples with a minihole and upon mixing inside the core, an exothermic chemical reaction occurred and the resultant heat and gas pressure caused macro-fractures. NMR-porosity imaging showed significant increase in macro pores throughout the core. Additionally...