THE STUDY OF ROLE AND TEXTURE OF ANHYDRITE IN PRODUCTION ZONE OF ASMARI FORMATION IN MANSURI OIL FIELD, ZAGROS, IRAN

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KAVIANPOR SANGNO M.; NAMDARIAN A.; MOUSAVI HARAMI S.R.; MAHBOUBI A.; OMIDPOUR A.

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Journal: GEOSCIENCES Year:2015 | Volume:24 | Issue:94 (STRATIGRAPHY & SEDIMENTOLOGY) Page(s): 229-236

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Title

THE STUDY OF ROLE AND TEXTURE OF ANHYDRITE IN PRODUCTION ZONE OF ASMARI FORMATION IN MANSURI OIL FIELD, ZAGROS, IRAN

Author(s)

Keywords

MANSUORI OIL FIELDQ2

ASMARI FORMATIONQ2

EVAPORATES MINERALQ2

ANHYDRATE TEXTUREQ2

DIAGENESQ2

Abstract

Evaporites include wide range of chemical deposits, which are precipitated in surface or near surface, from the concentrated brine by evaporation. Diagenetic processes are important factors can effect on reservoir quality. The Oligo-Miocene Asmari reservoir comprise of siliciclastic and carbonate sequences in the Mansouri Oil Field and reservoir quality of these rocks are affected by diagenetic processes during the time. One of the most important processes is anhydrite cement, which spread as layer, poikilotopic, pores filler and pervasive, early nodular, nodular- burial, scattered crystals, fracture and vein filler in the reservoir. Spread of anhydrite cement has a negative impact on the reservoir quality. On the other hand, the higher solubility of anhydrite cement than carbonate cement can have a positive effect on the reservoir quality. The Interplay of digenetic processes and anhydrite texture is visible in increasing or decreasing of characteristics of the Asmari reservoir. The result of this study shows that anhydrite (during DIAGENESis) as a cement with poikilotopic fabric and pervasive texture of porosity filler has the most important role in reduction of reservoir quality, but the processes such as dissolution has the main role in increasing of reservoir quality of the ASMARI FORMATION in the Mansouri Oil Field.

Cites

EVAPORITE (ANHYDRITE AND CELESTITE) MINERALIZATION AND ITS EFFECT ON RESERVOIR QUALITY OF THE DOLOSTONE INTERVALS OF THE ASMARI FORMATION, NORTHERN PART OF DEZFUL EMBAYMENT, SOUTHWEST OF IRAN

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APA: Copy

KAVIANPOR SANGNO, M., NAMDARIAN, A., MOUSAVI HARAMI, S.R., MAHBOUBI, A., & OMIDPOUR, A.. (2015). THE STUDY OF ROLE AND TEXTURE OF ANHYDRITE IN PRODUCTION ZONE OF ASMARI FORMATION IN MANSURI OIL FIELD, ZAGROS, IRAN. GEOSCIENCES, 24(94 (STRATIGRAPHY & SEDIMENTOLOGY)), 229-236. SID. https://sid.ir/paper/32169/en

Vancouver: Copy

KAVIANPOR SANGNO M., NAMDARIAN A., MOUSAVI HARAMI S.R., MAHBOUBI A., OMIDPOUR A.. THE STUDY OF ROLE AND TEXTURE OF ANHYDRITE IN PRODUCTION ZONE OF ASMARI FORMATION IN MANSURI OIL FIELD, ZAGROS, IRAN. GEOSCIENCES[Internet]. 2015;24(94 (STRATIGRAPHY & SEDIMENTOLOGY)):229-236. Available from: https://sid.ir/paper/32169/en

IEEE: Copy

M. KAVIANPOR SANGNO, A. NAMDARIAN, S.R. MOUSAVI HARAMI, A. MAHBOUBI, and A. OMIDPOUR, “THE STUDY OF ROLE AND TEXTURE OF ANHYDRITE IN PRODUCTION ZONE OF ASMARI FORMATION IN MANSURI OIL FIELD, ZAGROS, IRAN,” GEOSCIENCES, vol. 24, no. 94 (STRATIGRAPHY & SEDIMENTOLOGY), pp. 229–236, 2015, [Online]. Available: https://sid.ir/paper/32169/en

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