By Mariyamni Awang, Berihun Mamo Negash, Nur Asyraf Md Akhir, Luluan Almanna Lubis
This ebook offers the complaints of the third foreign convention on built-in Petroleum Engineering and Geosciences 2014 (ICIPEG2014). issues lined at the petroleum engineering part comprise reservoir modeling and simulation, superior oil restoration, unconventional oil and gasoline reservoirs, construction and operation. equally geoscience displays conceal assorted parts in geology, geophysics palaeontology and geochemistry. the chosen papers specialize in present pursuits in petroleum engineering and geoscience. This e-book can be a bridge among engineers, geoscientists, academicians and industry.
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Additional resources for ICIPEG 2014: Proceedings of the International Conference on Integrated Petroleum Engineering and Geosciences
Hirschberg et al.  advocated that resins have a strong tendency to associate with asphaltenes. This statement was strengthened by Speight [21, 22] who regarded asphaltenes–resins interactions appear to be preferable over asphaltenes– asphaltenes interactions and resins–resins interactions when both asphaltenes and resins coexist in petroleum fluids. When incompatibility occurs among petroleum fluids, the loss of dispersability in colloidal suspension causes the higher molecular weight polar components (asphaltenes and resins) to precipitate.
Samples of 2 cm × 2 cm dimension of each core slab were taken for scanning electron microscopy (SEM). The SEM analysis was done using a Carl Zeiss Supra 55VP FESEM with variable pressure ranging from 2 to 133 Pa and probe current between 1 pA and 10 nA. Energy dispersive X-ray spectroscopy (EDX) of specific points in the samples was taken to determine the elemental composition at these points. Porosity and Permeability Modification … 51 Core plug permeability was measured using a Vinci Technologies Coreval 30 poro-perm equipment.
2 Simulation Studies Using the parameters and input data as from the literature, asphaltene precipitation model for each oil sample has been generated by the simulator. 15 and 16, for three oil samples over different CO2 mol% gas injection. 15 has been generated to find out the bubble-point pressure (Pb) at reservoir temperature. Both P–T diagram and asphaltene precipitated weight percentage graphs have been generated for all three oil samples, over various CO2 mol% gas injection. Tables 3, 4, and 5 summarize the lower and upper AOP, bubble-point pressure, and pressure at maximum asphaltene precipitation for different CO2 mol% injection at reservoir temperature for oil sample 1, Iranian oil, and SCS oil 3, respectively.