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Keywords: crude oil
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Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200078-MS
... efficiency in water-flooded heterogenous reservoirs with very high temperature and ultra-high salinity. flow in porous media capillary entry pressure crude oil injection upstream oil & gas permeability max-min ratio core flooding experiment formation water chemical flooding methods fluid...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200160-MS
... in carbonates, and a new cleaning and restoration protocol is tested to reproduce wettability in carbonate core samples. Two water-wet chalk core plugs were restored with the same initial formation water saturation (S wi =10%), and then were saturated and aged in crude oil to create an initial wetting...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200237-MS
.... concentration residual oil saturation enhanced recovery clay content application waterflooding clay mineral surface crude oil upstream oil & gas field trial kaolinite clay content lswf oil recovery inter-well field trial core flooding experiment reservoir low salinity water Introduction...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200057-MS
... laboratory artefacts, long cores were used in the experiments and to observe the effect of gravity both 2-inch diameter and 4-inch diameter (whole core) were used. The experiments were performed under reservoir conditions using live crude oil. The core wettability was restored by ageing the core in crude oil...
Proceedings Papers

Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200202-MS
... asphaltene inhibition asphaltene stability remediation of hydrates missan oilfield viscosity watercut upstream oil & gas emulsion formation damage scale remediation production chemistry scale inhibition streaming potential fbhp production well crude oil asphaltene asphaltene deposition...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190352-MS
... be mobilized. In contrary, if the forces are smaller than the threshold pressure, the trapped oil droplets will divert water flow toward the unswept areas. The crude oil was slowly dropped to the alkaline solution, the changes of the pH values of emulsion was monitored. Figure 2 plots the pH values...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190400-MS
... contaminant, it starts to incorporate the oil into the swollen micelles of the CSB. In this paper, a new species of surfactants, the blend of anionic-cationic surfactants (S a/c ) without any co-surfactants or co-solvents was carefully designed to produce in-situ microemulsion with crude oil with high...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190406-MS
... surfactant crude oil concentration stability interfacial tension emulsion spontaneous emulsification system enhanced oil recovery low permeability reservoir Oil Recovery Introduction In a long period of time for the future, low permeability reservoirs will play a significant role...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190363-MS
... boosting surfactants to come up with the most adapted chemical cocktail in terms of solubility, IFT with crude oil and foaming properties in hard brine. The selected formulation is then quantitatively characterized for IFT with crude oil, phase behavior with live oil, foam stability in reservoir pressure...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190465-MS
.... Furthermore, it was clearly observed that the crude oil was uniformly dispersed into small drops. For the hybrid system consisting of 660 mPa's crude oil and 1000 mg/L activator with a mixed ratio of 1:1 by volume, the flowing time measured by kinematic viscometers was reduced to 8 s compared with 340 s...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190418-MS
... polymer concentration injection SP formulation separation performance reservoir chemical flooding methods polymer salinity surfactant surfactant concentration Upstream Oil & Gas reference synthetic brine crude oil formulation composition target salinity coreflood test Introduction...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190460-MS
... Abstract Polymer-flooding is one of the most promising techniques used to increase the productivity of mature oil reservoirs. Polymers reduce the mobility ratio of the injected water relative to the crude oil, improving the displacement of the entrapped oil and, consequently, increasing oil...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190448-MS
..., polymeric surfactants can be considered as a replacement to the traditional polymer in highly heterogeneous reservoirs after water flooding or polymer flooding. chemical flooding methods functional group concentration enhanced recovery experiment crude oil polymer flooding flooding surfactant...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190438-MS
... Fouling of heat exchangers in presence of polymers is very complex to tackle due to the numerous chemical and physical phenomena involved inside the heater in presence of produced water, crude oil and chemical additives. These phenomena depend on the nature of crude oil, the composition...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190414-MS
... Abstract To evaluate the feasibility of "Smart Water" injection, reproducing representative initial wettability in laboratory experiments is essential. Experimental studies have confirmed that adsorption of polar organic components from crude oil to the rock surface is a main contributor...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190470-MS
... were performed with diluted dead crude. It has been shown in previous studies that decaline is an appropriate solvent to attain the viscosity of live crude. Water composition Since crude oil can contain a significant amount of petroleum soaps, the oil-brine ratio is often a critical parameter...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190455-MS
... adsorption thermal method steam-assisted gravity drainage viscosity stability base case foam apparent viscosity experiment crude oil formulation foam stability solubility steam-foam case formation water reservoir rock steam injection cumulative steam-oil ratio injection injection water...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190440-MS
... Chemistry Upstream Oil & Gas crude oil emulsion stability stable emulsion enhanced recovery fluid compatibility aqueous solution water bath chemical treatment droplet igepal co-530 oilfield chemistry surfactant enhanced oil recovery crude oil emulsion stability CTAB rock/fluid...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179806-MS
... surfactant solution in reservoir representative conditions of 250°C. We study the impact of crude oil on its foaming properties. Previous publications demonstrate that formulation viscosity as well as foamability and foam stability are key parameters to optimize steam mobility reduction in model porous...

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