Results 71 to 80 of about 636 (179)

Laboratory investigation of the gradual asphaltene precipitation and mineral re-deposition from injection to production spot during varying concentration of CO₂ injection in an Iranian carbonate reservoir: A novel insight into CO₂ enhanced oil recovery and carbon sequestration process

open access: yesResults in Engineering
This study investigates the effects of CO₂ and flue gas injection on asphaltene deposition and mineral dissolution in an Iranian carbonate reservoir with an initial pressure of 4100.0 psi and a temperature of 74.0°C.
Sadraddin Sobhani   +4 more
doaj   +1 more source

Modeling Asphaltene Precipitation-Part II: Comparative Study for Asphaltene Precipitation Curve Prediction Methods

open access: yesJournal of Engineering
Asphaltenes' solubility in crude oils is frequently affected by temperature, pressure, and oil composition changes. This could lead to the precipitation and deposition of asphaltene in various parts of the total production system, which would cause a ...
Ali A. Ali, Ghassan H. Abdul-Majeed
doaj   +1 more source

Combining zinc oxide nanoparticles with green and novel nanocomposites for enhanced oil recovery in porous media by considering asphaltene deposition and production parameters

open access: yesJournal of Petroleum Exploration and Production Technology
Enhanced oil recovery in depleted, heavy oil, and asphaltene reservoirs has been known as an important matter among researchers. One enthusiastic enhanced oil recovery technique is nano-flooding, where considerable reduction in contact angle and ...
Meysam Hemmati, Yaser Ahmadi
doaj   +1 more source

Investigation of Asphaltene Stability in the Iranian Crude Oils [PDF]

open access: yesIranian Journal of Chemical Engineering, 2008
The influence of different factors on the asphaltene stability in three iranian crude oils was evaluated. Compositional studies and structural characterization of resins and asphaltenes were carried out in order to study a possible relationship between ...
doaj  

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