Geochemical and petrophysical studies on E member of Sarajeh Gas field shows presence of different type of clay minerals. Petrography studies along with XRD , SEM and EDX analysis on the present samples, indicate presence of Illite, Chlorite and expandable clay mine
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Geochemical and petrophysical studies on E member of Sarajeh Gas field shows presence of different type of clay minerals. Petrography studies along with XRD , SEM and EDX analysis on the present samples, indicate presence of Illite, Chlorite and expandable clay minerals. Expandable clays comprise, smectite and mixed layer or interstratified Illite/Smectite (I/S) minerals. Petrophsical studies show Th/K on NGS log in Sarajeh, well 12, composed mainly, Illite, chlorite with minor amount of interstratified Illite/Smectite (I/S). Geochemical studies confirm validity of petrophysical results. The presence of different clay minerals of Qom formation in E member, Sarajeh Gas field, may have significant impact on petrophysical properties of reservoir, and hence affect reservoir productivity as well as cause problem during drilling operations.
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