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Paper Information

Title: 

FACIES AND DEPOSITIONAL ENVIRONMENT OF THE DARIYN FORMATION IN TWO SUBSURFACE SECTIONS OF 2S48 AND 2S2 WELLS IN THE SALMAN OIL FIELD (PERSIAN GULF)

Type: POSTER
Author(s): MIRZAPOUR B.,JAHANI D.,VAZIRI SEYED HAMID,NOURI BIZHAN
 
 
 
Name of Seminar: NATIONAL OIL AND GAS EXPLORATION PROTECTIVE PRODUCTION CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  NATIONAL IRANIAN SOUTH OIL COMPANY
Date:  2009Volume 1
 
 
Abstract: 

The Dariyan Formation (Aptian) is one of the important hydrocarbon reservoir rocks of Khami Group in the south west of Iran. As exact evaluation of reservoir rocks is possible through of microfacies and their sedimentary environment analysis, by this way, two subsurface sections (X1 and X2 wells) of Dariyan Formation in Salman oil field, located in 144 kilometers far from south of Lavan Island (Persian GulF) with the mentioned aims was considered and evaluated. This Formation in Salman oil field in subsurface section 2S48 well, with 105 meters thickness andin subsurface section 2S2 well with 123 meters thickness include limestone with limestone with interbeds of shale. Extended microscopic assessment of deposits of the Dariyan Formation in mentioned sections led to recognition various facies in mold of four facies groups related to environments, open marine (A), bar (B), lagoon (C) and tidal flat (D). Its worthy to mentioned in subsurface section X1, four facies group are recognized, while in subsurface section X2 only the facies group that related to open marine environment was recognized. The vertical changes survey and comparing it with recent and old sedimentary environment indicate that the facies of Dariyan Formation in understudy sections have been appeared in a carbonate shelf and most of the facies were deposited in deeper part of the carbonate platform.

 
Keyword(s): MICROFACIES, SEDIMENTARY ENVIRONMENT, SHELF, DARIYAN FORMATION AND SALMAN OIL FIELD
 
 
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