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۱Application of Thermal Modelling for Geochemical Characterization of Gadvan Formation, Persian Gulf, Iran
اطلاعات انتشار: International Journal of Mining & Geo-Engineering، چهل و هشتم،شماره۲، ۲۰۱۴، سال
تعداد صفحات: ۱۰
In the this research, the hydrocarbon generation potential of the Gadvan Formation as a probable source rock was investigated in the central part of the Persian Gulf at the borders of Iran. Type and maturity level of kerogen were investigated in six wells using the results of Rock–Eval pyrolysis and compared with results yielded by the modelling software program known as Pars Basin Modeler (PBM). The cross–plot of hydrogen index (HI) versus maximum temperature suggests that the Gadvan Formation reached early to mid–maturity stages in the studied area, which means that it could act as a gas prone source rock. Furthermore, the burial and thermal history of the Gadvan Formation was determined in one well. Two methods, Easy %Ro and time–temperature index (TTI) were used for the reconstruction of thermal modelling and studying the thermal maturity level in all of the drilled wells reaching the Gadvan Formation. The results of the TTI and Easy %Ro methods were in good agreement and both of confirmed the results of Rock Eval analysis. An integrated approach using different techniques showed that the Gadvan Formation can be classified as a poor gas bearing source rock in the studied area, while its maturity increases towards the southern parts of the Persian Gulf.
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