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Keywords: experiment
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200346-MS
... imbibition into the matrix that promotes counter-current flow of oil into the fractures. In our research, this phenomenon was studied via carefully designed osmotic imbibition experiments that used low- salinity brines. Furthermore, adding a simple surfactant, or a wettability altering chemical, not only...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200306-MS
... research group has designed an experiment with a high pressure-high temperature cell having observation windows for the measurement of oil swelling and diffusivity in oil-gas mixtures and in this study, we present some preliminary results. The measurements were done on a Meramec oil (API-42.7) with 3...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200335-MS
... with concomitant microbial growth indicating the presence of scleroglucan degrading organisms in the inoculum. However, anaerobic samples at temperatures above 60 °C and salinities greater than 7 % retained viscosity during the experiment illustrating polymer stability under conditions similar to those of harsh...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200416-MS
... decreases with a decrease in carbamide concentration at similar temperatures. Figures 6 shows an example of the experimental results for GALKA systems 2A and 2C at 90°C, thereby validating the above claims. Figure 6 Gelation kinetics using rotational viscometry Like the experiments performed...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200351-MS
... flooding assistance from the bottom is considered in the GOC-WFA experiment. The sketch map of the comparison experiments of basic GOC and GOC-WFA is illustrated in Figure 4 . The contrast experimental process and parameters are displayed in Figure 4 and Table 4 . Exp1 denotes the basic GOC experiment...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200383-MS
... soaking experiments were performed to evaluate the oil recovery potential of the EOR formulation fluids. The setup for the test is shown in Fig. 2 . The Woodford shale outcrop core samples were first prepared using the following procedure: The cores were dried in an oven at 100 °C until...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200321-MS
... when compared to the prior probability distribution. machine learning modeling & simulation reservoir characterization bayesian inference enhanced recovery reservoir simulation artificial intelligence upstream oil & gas reservoir simulator experiment dimensionality oil recovery...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200336-MS
... foam in gas and supercritical states including foam stability and texture were thoroughly evaluated in a high-pressure-high-temperature (HP-HT) windowed cell. A series of model fractures with certain apertures in tight rocks were designed and assembled for coreflooding experiments. The differential...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200404-MS
... glutaraldehyde was added into the solution in selected experiments. Figure 2 Schematic plot of the set-up of corefloods Abstract Polymers are extensively used in chemical EOR processes to provide mobility control. Both synthetic polymers (e.g., HPAM) and biopolymers (e.g. Xanthan...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200341-MS
..., before resaturating it with reservoir oil. The reconditioning might help release most of the residual oil [heavy components trapped inside nanopores after pressure-depletion phase ( Bui and Akkutlu 2017 )] and gas in the plug before starting the next HnP experiment. The experimental procedure...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200347-MS
... development. Design parameters key to the surfactant implementation included: surfactant type and concentration, Critical Micelle Concentration (CMC), fluid saturations, oil composition, formation water salinity, fracture intensity, and treatment soak timing. Laboratory experiments included interfacial...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200322-MS
... experiment was designed and performed within a custom pressure cell to study the recovery efficiency at the existing core sample scale. Digital Core Analysis (DCA) has been shown to reliably produce petrophysical properties for tight STACK cores. Laboratory miscibility pressure measurements were conducted...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200410-MS
..., as well as the pore space (used for normalization). Second, experiments can provide only a few data points. Third, these example cases demonstrate the complexity that can occur in understanding experimental measurements of porous media with many simultaneously varying and less controllable parameters (e.g...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200348-MS
.... The aqueous stable surfactants were tested for contact angles on the mineral surface. Seven surfactant candidates were selected for spontaneous imbibition experiments, where oil recovery was monitored as a function of time. Wettability-altering surfactants increase the oil recovery by spontaneous imbibition...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200329-MS
... experimental reservoir brine solutions ( e.g. , HSW and SmartWater solutions) in the sealed HPHT-SFA container to study the effects of reducing the ionic strength of the injection SmartWater on the CO/W/R system. Depending on the experiment, different components of the samples were subsequently extracted...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200387-MS
... are summarized in Table 1 . The polymer concentrations were adjusted so that the in situ viscosity was comparable at the expected in situ shear rates. The experimental setup is described in detail in the paper by Vik et al (2018) . Table 1 Summary of parameters for secondary flood experiments...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200308-MS
... methane content, each lab was asked to perform a slimtube experiment with a different pressure. One carried out a test with 220 bar (undersaturated) and another with 160 bar (below bubble point). This kind of experimental design ( Table 2 ) can add an extra dimension to EOS matching, making the evaluation...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200411-MS
... of materials for further micromodel experiments and core-flood evaluations. The paper is organised in three main sections: First, material and experimental methods are described. Subsequently, results on surface charge of the nanomaterials, influence of nanomaterial and alkali on IFT, and phase screening...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200380-MS
... the scientific literature on LSWF. However, little work has been reported at the pore-network scale (μm to mm), which serves as a link between the sub-pore and Darcy scales. This is partly due to the complexity of the experimental procedure and the associated technical knowhow needed to perform such experiments...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200394-MS
... they remained constant. The equilibrium phase volumes were then used to calculate oil and water solubilization ratios. Crude oil that was used in this study, referred to as oil #1, is an inactive oil (acid number < 0.2 mg KOH/ g oil). The oil fractions used in phase behavior experiments are 25% and 30...

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