... performed at 75 °C. Determination of plugging capacity Single sand-pack experiments were used to determine the plugging capacity of traditional aqueous foam and new three phase foam, respectively. The experimental flowing chart was shown in Fig. 3 . The length of sand-packs was 20 cm and the inside...

... and conditions for the different experiments. Results of the experiment are subsequently presented prior to a discussion in view of the basic question about the stability of ASP displacement and its implications. Experimental Procedure During each experiment the following steps were taken: Method...

... by theoretical analysis, series of experiments and chemical flooding simulation. Based on these researches, we carried out the first field test of polymer flooding on early stage in LD. Single well polymer injection test was started in Mar 2006 when the water cut in the pattern was lower than 10%. After...

... Abstract In situ formation of microemulsions is studied by co-injection of its individual phases: surfactant solution and decane oil. The experiments were conducted in micro-channels etched on a glass micromodel which facilitates the direct observation of the microemulsion formation...

... CaCl 2 Doped Oil: TC1 Crude oil Acetic acid TC2 Crude oil Propanoic acid TC3 Crude oil Valeric acid Designed Oil: Oil O1: Hexane Hexadecane Stearic Acid Oil O2: Hexane Hexadecane Heptanoic Acid Experiment Experimental Setup: A simple...

... of chemical combination flooding system was tested, for designation of an one-dimensional core flooding experimental methodology. Core flooding experiment contains following steps including, vacuumization of core followed by saturation with simulation formation water, water phase permeability measurements...

... channels, non-uniform flow channels, and viscoelasticity. To explain the apparent shear-thickening behaviour in porous media, the existing models use an ad hoc hypothesis; that is, the experimental evidence for these effects is missing. The objective of this study is to obtain a mechanistic picture. We...

..., saturation pressures and relative volume were matched by comparing to experimental data. The tuning approach was restricted to involve only pseudo components. Three different stages of tuning were exercised to evaluate the effect of different experiment on the prediction: Pure prediction based...

..., and salinity were the most important three parameters. MEOR was suitable in reservoirs of which temperature lower than 80°C, salinity less than 100,000 ppm, and permeability above 50 mD. MEOR experience and study in reservoirs of 120°C, salinity more than 350,000ppm and permeability of 10 mD has expanded...

... and further evaluated in dynamic adsorption test. For comparison purpose, another experiment was performed using a classical salinity gradient strategy. Experimental conditions for these two dynamic adsorption tests are detailed in the Table 6 . Both experiments were conducted in water-wet Lavoux calcite...

... and then flooded with formation water to residual oil saturation at reservoir conditions. Following waterflooding, a number of WAG cycle slugs were injected. The displacements were conducted at pressures well below the estimated minimum miscibility pressure during these experiments. The coreflood experimental...

... to be constant within experimental error (63.7±4.5 %) for the 9 experiments reported. Before the chemical breakthrough, the oil produced is 16.5±0.2 %. After chemical breakthrough, the chemical slug appears at the production site and oil will be present also dissolved in the emulsion phase. Chemical...

... in the experiment were extracted from the Ji Yuan oilfield. The parameters of experimental cores were listed as Table 3 . The brine permeability of the experimental cores was lower than 0.5 mD. A Quizix-SP-5400 pump with the accurate control at the constant low flow rate was used in the flooding system...

... ( Delshad, et al., 2008 )) for these viscoelastic solutions in porous media. The work contrasts experiments on flow and recovery using viscous and viscoelastic polymer solutions. The circumstances under which viscoelasticity is beneficial are demonstrated. The findings are applicable to the design...

... salinity EOR-effect, the crude oil from the Changqing Oil Field was used in zeta potential test and coreflooding experiments. The ingredients of the experimental oil from Changqing Oilfield were shown in Table 1 . The experimental oil was rich in aromatic hydrocarbon and asphaltic bitumen, the main source...

... Experimental Setup Oil recovery experiments Test 1: CO₂-foam flooding at initial oil saturation The equipments used in the experiments are illustrated in Figure 1 . Surfactant solution, brine, oil and carbon dioxide are stored in the accumulators. The fluids in the accumulators...

...Crude Oil Cores Indiana Limestone outcrop cores were purchased from Kocurek Industries. The length and diameter of the cores were 12 inches and 1.5 inches, respectively. The cores were cut to the desired length before the experiments. The permeability for these cores were typically between...

... Abstract Two phase polymer flooding experiments were carried out using a novel Lab-on-a-Chip experimental set up. The microfluidics device uses porous Glass-Silicon-Glass (GSG) micro-models which were constructed based on reservoir rock thin section. The model attempts to resemble the thin...

... paths available for water were changed during ASP flooding. The paper highlights the importance of good laboratory experimental protocols using a more accurate passive tracer such as tritium labelled water. The results from the experiments draw attention to the uncertainties associated with the flow...

... Mechanistic foam model was created to simulate the core flood experiment. This type of model uses dispersed lamella as a component of the gas phase to simulate the foam creation, destruction, and propagation. Foam mobility reduction is then attributed to the concentration of lamella in the gas...