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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
... temperature conditions (1.6 MPa, 200°C). 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...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193708-MS
... term investigation into the impact of water-contaminated polymer on plants in the wet lands was positive with the plants showing no necrosis with back produced polymer concentrations up to 500 ppm which is achievable given the excessive amount of water received at the facility level that dilute...
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
... Field contains high salinity water, it is shallow with concerns about injectivity limitations, and high concentrations of H 2 S (up to 5 mol% in reservoir fluids) which may adversely impact the effectiveness of the injected polymer solutions. A comprehensive laboratory and numerical modeling...
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
... Artificial Intelligence concentration injection sequence enhanced recovery adsorption experiment seawater surfactant concentration salinity injection salinity gradient adsorption inhibitor Reservoir Conditions coreflood experiment Upstream Oil & Gas pressure drop surfactant formulation...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193763-MS
... during waterflooding. The main purpose of this study is to evaluate the effects of SO4 and low salinity water on improving oil recovery in oil-wet carbonate reservoirs. Sulfate ion concentration, low salinity water, rock composition, porosity, and permeability were examined using a designed model...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193760-MS
..., to 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
... Modeling & Simulation polymer pilot well water saturation Upstream Oil & Gas concentration polymer concentration heavy oil reservoir surfactant oil desaturation chemical flooding methods average water saturation PPM slug saturation injectivity evolution injection Injection Rate...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193744-MS
... 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 Introduction 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-193771-MS
... of 1 ft/day. Two polymer solutions with different concentration and salinity are selected such that low molecular weight (Mw) polymer (HPAM 3130) provides higher shear resistance than high Mw polymer (HPAM 3630). Extensional characterization of these two polymer solutions performed using capillary...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193739-MS
.... Rotation speeds of 200, 400, 600, and 1,000 rpm were tested at each acid concentration. The diffusion coefficient was then calculated. Parameters of the CFD model were then adjusted to match the rock dissolved throughout the RDA experiments. The rock dissolved in the disk from the CFD model matched...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193802-MS
... of 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
...% and 5.5% 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...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184083-MS
.... 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-184086-MS
... chemical EOR strategy. Both technical and economic results are discussed. The approach used involves the simulation of various chemical EOR scenarios (injection of chemical slugs with different durations and concentrations) using several wells patterns (inverted 5-spot, inverted 9-spot, inverted 7-spot...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184153-MS
... to location constraints the flaring should be minimized to the possible extent. As the well is exploratory, the well was not connected yet to the production facility. The only means of oil transportation will be by using road tankers, for that the H 2 S concentration in oil needs to be reduced...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184141-MS
... concentration laminar flow Inhibition filter cake gauge hole Kuwait society of petroleum engineers laboratory testing phase asphaltene stability annular velocity precipitation gauged hole turbulent flow Case History heavy oil well unconsolidated formation objective fracture Introduction...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184112-MS
... the bubblepoint. If the sample is not maintained higher than the asphaltene onset pressure, asphaltenes precipitate in the sample chamber and cannot be reconstituted as single phase in the laboratory. The new optical composition analyzer can also identify fluid stream components and their relative concentration...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference and Exhibition, December 6–8, 2016
Paper Number: SPE-184117-MS
... conductivity) at a concentration of 0.05 wt% with SH at 1 PV exhibits highest oil recovery near 46.9%, followed by combination of ZnO (high thermal conductivity) at same concentration with SH which had a recovery of 42.7%, then followed by SH steam of 35% recovery. This indicates the ability of HFNP with low...

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