The Kangan Formation (Early Triassic) is one of the most important Source rocks in the gas fields of southern Zagros and the northern Persian Gulf. The studied gas field is located in the west of Hormozgan Province and is one of the most important gas fields in Iran. In order to evaluate the depositional environment of the formation in this well, 48 microscopic thin sections were made of 19.9 m core and were studied which resulted in the identification of seven microfacies that deposited in four depositional environments including tidal flat, lagoon, mainly shoal and open marine. By studying and analyzing existing data, especially petrography, it can be concluded that Kangan Formation in this well was deposited mainly on the shoal environment. Also, this study aimed to investigate the quality and extension of reservoir zones by Interactive Petrophysics Software, because the Kangan Formation has been classified according to the reservoir properties into four general zones in previous studies, but in this study, using the digital files obtained from wells' studies and extension of this information in the relevant software environment, and finally by combining interpretive information of output charts including logs SGR, DT, RHOB, PHIE and lithology columns with sections of petrography, Kangan Formation in the wells of the studied field has been divided into three general reservoir zones for the first time.

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