IMPACTS OF DIAGENETIC PROCESS ON RESERVOIR QUALITY OF THE MIDDLE CRETACEOUS UPPER SARVAK FORMATION IN ONE OF OIL FIELDS IN THE ABADAN PLAIN, SW IRAN

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ASSADI ALI; HONARMAND JAVAD; MOALLEMI ALI; ABDOLLAHIE FARD IRAJ

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Journal: JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES Year:2016 | Volume:32 | Issue:1 (62) Page(s): 57-80

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Title

IMPACTS OF DIAGENETIC PROCESS ON RESERVOIR QUALITY OF THE MIDDLE CRETACEOUS UPPER SARVAK FORMATION IN ONE OF OIL FIELDS IN THE ABADAN PLAIN, SW IRAN

Author(s)

ASSADI ALI | HONARMAND JAVAD | MOALLEMI ALI | ABDOLLAHIE FARD IRAJ | Issue Writer Certificate

Keywords

ABADAN PLAINQ1

UPPER SARVAK FORMATIONQ1

DIAGENETIC PROCESSQ1

DIAGENETIC SEQUENCEQ1

RESERVOIR QUALITYQ2

Abstract

During the precipitation of Sarvak formation imprints of climate, tectonic and sea level fluctuation lead to some of the most prolific reservoirs in Zagros and Persian Gulf basins. The RESERVOIR QUALITY of UPPER SARVAK FORMATION in ABADAN PLAIN oil fields are highly influenced by various DIAGENETIC PROCESS. Based on core studies, petrographic analysis, well logs and properm data from two key well in a giant field, DIAGENETIC SEQUENCE is reconstructed and the main processes effecting the RESERVOIR QUALITY are discussed. Three main diagenetic environments including 1- marine diagenesis (Micritization, Bioturbation, marine cementation) 2- meteoric diagenesis (mineralogy stability, recrystallization, meteoric cementation, mixing zone dolomitization, Dedolomitization, fabric and none fabric selective dissolution) and finally 3- burial diagenesis (physical and chemical compaction, burial dolomitization, fracturing, burial cementation, Silicification and pyritization and some none fabric dissolution) have affected the UPPER SARVAK FORMATION after deposition. Dissolution of matrix and grain, especially aragonite shells was a main porosity creating process, and took place primarily by meteoric diagenesis. Diagenetic studies indicate meteoric environment products highly modified RESERVOIR QUALITY. Calcite cementation and compaction are the chief factors controlling the reduction properm whilst dissolution and fracturing have enhanced RESERVOIR QUALITY of the studied interval. This study resulted that distribution and intensity of DIAGENETIC PROCESS are dominantly controlled pore systems and RESERVOIR QUALITY.

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APA: Copy

ASSADI, ALI, HONARMAND, JAVAD, MOALLEMI, ALI, & ABDOLLAHIE FARD, IRAJ. (2016). IMPACTS OF DIAGENETIC PROCESS ON RESERVOIR QUALITY OF THE MIDDLE CRETACEOUS UPPER SARVAK FORMATION IN ONE OF OIL FIELDS IN THE ABADAN PLAIN, SW IRAN. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, 32(1 (62)), 57-80. SID. https://sid.ir/paper/157041/en

Vancouver: Copy

ASSADI ALI, HONARMAND JAVAD, MOALLEMI ALI, ABDOLLAHIE FARD IRAJ. IMPACTS OF DIAGENETIC PROCESS ON RESERVOIR QUALITY OF THE MIDDLE CRETACEOUS UPPER SARVAK FORMATION IN ONE OF OIL FIELDS IN THE ABADAN PLAIN, SW IRAN. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES[Internet]. 2016;32(1 (62)):57-80. Available from: https://sid.ir/paper/157041/en

IEEE: Copy

ALI ASSADI, JAVAD HONARMAND, ALI MOALLEMI, and IRAJ ABDOLLAHIE FARD, “IMPACTS OF DIAGENETIC PROCESS ON RESERVOIR QUALITY OF THE MIDDLE CRETACEOUS UPPER SARVAK FORMATION IN ONE OF OIL FIELDS IN THE ABADAN PLAIN, SW IRAN,” JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, vol. 32, no. 1 (62), pp. 57–80, 2016, [Online]. Available: https://sid.ir/paper/157041/en

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