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Keywords: crude oil
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206045-MS
... pressure oil recovery production trap high-pressure production trap petroleum engineer crude oil international petroleum technology conference Abstract This study aims to propose an intelligent operational advisory solution that guides the plant operation team to optimal HPPT/LPPT pressure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206118-MS
... Abstract This study aims to compare the roles of rock and crude oil in improving recovery by low salinity water injection (LSWI) and, particularly, to explore the significance of micro-dispersion formation in LSWI performance. Core samples and crude oil were taken from two carbonate reservoirs...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206135-MS
... Crude oil from Yanchang formation (Nanniwan Oilfield) with the viscosity of 4.34mPa·s and density of 0.84g/cm 3 was used. Core samples used in coreflooding experiments were obtained from the outcrops of Yanchang formation and their petrophysical properties are shown in Table 1 . Table 1...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206180-MS
... properties was developed successfully. It was applied in a waxy crude oil from West Africa with high pour point and a wax content of about 24%. Crucial for the project success was a close collaboration among all involved stakeholders from operator, service company and chemical supplier. In the initial lab...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206299-MS
... shale mullin lower sand history matching crude oil asphaltene connectivity reservoir fluid geologic time reservoir Introduction Figure 5 provides excellent data for evaluation of connectivity.[ 28 ] The upper sand and thelower sand each have oils with equilibrated asphaltenes thus...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206288-MS
... enhanced recovery upstream oil & gas concentration flow in porous media fluid dynamics ne form investigation surfactant synthetic surfactant crude oil core analysis steam-assisted gravity drainage candidate rl-based biosurfactant application surfactant solution reservoir bio-based...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206341-MS
... crude oils in a reactor. A maximum of 63% ultimate hydrogen content is obtained in the generated gas mixtures, while the original CO 2 content in all experiments is negligible (<1%). Catalysts can promote hydrogen generation by accelerating rate and locally enhancing microwave (MW) absorption...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201613-MS
... hydrocarbons. This study investigates the cost competitiveness of an alternative strategy to market crude oil priced to cover the cost of removing an amount of carbon dioxide equal to that produced through combustion of transportation fuels to be refined from it. This strategy enables continued use of fossil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201670-MS
... curve sac coreflood experiment rock surface carboxylic acid tan brine composition contact angle measurement crude oil interaction composition wettability alteration oil recovery Introduction Most cEOR techniques involve the injection of chemicals that interact with the reservoir oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201671-MS
..., which consequently stabilized the CO 2 foam especially in the presence of crude oil. NCF-st-CO 2 foam presented dense bubbles and a thick framework as observed visually from the cell. The flow behaviors of CO 2 foam in fractures were largely determined by the bulk foam stability. NCF-st-CO 2 foam...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201747-MS
... does not always increment oil recovery. It is a specific combination of properties of an asphaltenic crude oil, chemically equilibrated brine, and rock surface that may explain the success or failure of LSW. In this work, we introduce a novel experimental approach to study asphaltene-like chemical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201743-MS
... are; ethane, propane and n-butane. At sufficiently high pressures, natural gas, flue gas, liquefied petroleum gas and carbon dioxide can develop multi-contact miscibility with crude oil. The pressure essential to develop miscibility is dependent on the oil composition and the reservoir temperature...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201336-MS
...Chemicals Deionized water was obtained from a Milli-Q water system (Synergy, EMD Millipore Corporation), giving resistivity greater than 18.2 MPΩ.cm at 25°. Toluene (99.9%, Fisher Chemicals) was used as received to dilute the crude oil. In all of our studies, we used 3 wt% crude oil in toluene...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201369-MS
... by acids from the crude oil under the alkali environment. These hydrophobic molecules tend to agglomerate at the oil-water interface. Together with polar components from the crude oil, they can organize into a highly viscous network and stabilize water droplets in the oleic phase. Oil-soluble alcohol...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201297-MS
... Methanol (99.9%, VWR), MEG (100%, Alliance Chemical), n-pentane (98%, Alfa Aesar) and Xylenes (≥98.5%, Fisher Scientific) were used as received. Crude oil and wax samples were generously provided by four independent operators in US. General information about these samples are given in Tables 1...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201513-MS
... analyzed for theirasphaltenes content( Amyx et al. 1960 ; ASTM 2011; Kar et al. 2016 ). To investigate the interaction of polar head group in surfactants with the polar groups of crude oil, polarity of the produced oil samples was determined indirectly through dielectric constant measurement using...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-204276-STU
... injecting low salinity brine into oil saturated microfluidic devices during a waterflooding process, resulting in oil remobilization and improving the sweep efficiency. Reduced electrostatic bond attraction and repulsive disjoining pressure at the crude oil-brine-rock (COBR) interface observed...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-204273-STU
... remediation enhanced recovery oil sand hydrate remediation production chemistry asphaltene remediation oilfield chemistry wax inhibition complex reservoir reservoir simulation upstream oil & gas asphaltene inhibition adsorption isotherm taborda bitumen crude oil hydrate inhibition scale...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199783-STU
... have been developed to predict the PVT properties of crude oil based on parameters such as solution gas-oil ratio, saturation pressure, viscosity, and density. These correlations have had shortcomings such as utilizing a leave-one-out approach, or recently, focused on non-inferable methods...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199781-STU
... pore co 2 crude oil enhanced recovery asphaltene concentration shale reservoir filtrate injection pressure adsorption capacity filter membrane complex reservoir adsorption experiment filtride society of petroleum engineers adsorption experiment chemical flooding methods interaction...

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