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Keywords: concentration
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Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193642-MS
...). Variables such as reactor pressure, concentration of biodiesel in steam, and condensation time were modified independently to determine the optimal conditions for stable SBDWE generation. Surfactant behavior of the SBDWE samples was then tested through various methods (glass tube experiments, spreading...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193708-MS
...: Change the polymer type and reduce the polymer concentration to about 50% of that initially used Dissolved oxygen in the water can have two impacts on the system; Corrosion (of carbon steel), which will generate iron oxide (rust); & Oxidative degradation of polymer. Oxygen impact can be mitigated...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193663-MS
... polymer concentration fracturing fluid and variable viscosities are utilized in different treatment stages. The concentration is only 0.2%-0.28% and residue content is 82mg/l reduced 45% and 35% that of the past fracturing fluid,4)Many fracturing treatment parameters are changed such as proppant's type...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193664-MS
... biopolymers. These polymers were made in solutions of synthetic seawater brine ( Table 3 ). More details on polymer selection and in specific the chemical stability in presence of H 2 S are given in Al-Murayri et al. (2018). Figure 2 Polymer viscosity in SKOCS vs. concentration (35°C, 7.3 s −1...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193711-MS
... Upstream Oil & Gas total clay content experiment enhanced recovery concentration smectite clay content shale average total clay content palygorskite clay mineral structural geology heterogeneity reservoir quality channel-fill sand body sandstone permeability steam phase argillaceous...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193665-MS
... tested in this study were composed of anionic surfactants including alkyl benzene sulfonate (ABS) and alkyl glyceryl ether sulfonate (AGES). chemical flooding methods waterflooding surfactant adsorption injection strategy Artificial Intelligence concentration injection sequence enhanced...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193744-MS
... enhanced recovery concentration salinity reservoir waterflooding brine concentration different nacl concentration oil recovery factor core porosity NaCl brine water flooding Upstream Oil & Gas alhuraishawy sandstone core sample thin section Low salinity waterflooding was attracted...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193739-MS
... where i is the current density, t r is the transference number, D e is the diffusion coefficient, c is the concentration of the reactant, C b is the bulk reactant concentration, C s is the reactant concentration on the disk, y is the distance from the disk, ω is the rotation...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193763-MS
... Figure 1b Schematic of model experiment setup for sulfate ion concentration effect. Table 4 Injection schedules for each core used in the experiments. Abstract Waterflooding with different inonic composition called advanced ion management which play a role...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193760-MS
... visualize the losses profile through a gravel bed with porosity up to 40%. Four different blends at different concentrations (between 9 – 17 lb/bbl) were mixed in a 7% bentonite mud and evaluated at 100 psi using the newly developed apparatus. The depths of fluid invasion, the fluid loss, and the filter...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193743-MS
... rate, polymer concentration and salinity are entered in the reservoir simulation model. Polymer adsorption and inaccessible pore volume fraction were also considered. The molar mass of the selected polymer (HPAM 3630s from SNF Floerger) was measured in the laboratory yielding a value of 18,000,000...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193771-MS
... prepared by low speed mixing at 200 rpm using a magnetic stirrer for 24 hours. Table 1 Properties of Polymer Name Molecular weight (MDa) Concentration (%) HPAM 3130 3.6 1.46 HPAM 3630 18-20 0.225 Table 2 Composition of brine Salts Concentration (mg/L...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193802-MS
... hydrocarbons. The average bubbles size distribution and foam texture were analysed using an Olympus stereo microscope SZX100 equipped with 5 mp camera. The results show that the CO 2 -foam stability enhanced with increasing nanoparticles/polymer concentrations up to threshold values. The optimum...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193797-MS
...% OOIP (original oil in place), respectively. This indicates that although the oil recovery in conventional pure steam injection was maximum, increasing the alkali concentration in the aqueous solution from 4% to 8% has caused the improvement in the recovery. The theoretical and practical information is...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184086-MS
... chemical slugs with different durations and concentrations) using several wells patterns (inverted 5-spot, inverted 9-spot, inverted 7-spot with vertical wells, line-drive with horizontal wells) covering various sizes in terms of area. Preliminary simulations of depletion and waterflooding scenarios were...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184083-MS
... temperature. The tests were conducted at static conditions; without agitation. Several solvent systems were evaluated as follows: Xylene in diesel was used with 5 vol % mutual solvent. This system was examined at different xylene concentrations ranging from 10 to 30 vol %. A solvent system containing n...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184139-MS
... steam-assisted gravity drainage SAGD enhanced recovery thermal method TDS particle size Hascakir interaction produced water discharge zeta potential water sample hardness Upstream Oil & Gas water management bitumen extraction concentration thermal enhanced oil recovery...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184153-MS
... flaring during exploratory well testing operations. Shallow reservoir required to be tested contains low energy, viscous and heavy oil with extreme H 2 S concentration presents significant technical challenges on selection of safe handling of sour reservoir fluid during well testing operations. The...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184117-MS
...) was measured for nanofluids of measured pH values equal to 5.83 and a concentration of 0.1 wt% for the aforementioned nanoparticles using the DLS apparatus. The measured ζ-potential values were calculated by averaging three ζ-potential measurements for all suspensions of NPs. The characterization...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184141-MS
... required to seal the formation in red dots, and the objective is to have the correct sizes and concentrations of the chemicals that will match these values drilling fluid chemistry drilling fluid formulation circulation rate drilling fluid property wellbore stability calcium carbonate shale...

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