RELATION BETWEEN MICROFACIES, DEPOSITIONAL ENVIRONMENT AND DIAGENESIS WITH RESERVOIR QUALITY THE JAHRUM FORMATION IN WELL NO. 11, GOLKHARY OIL FIELD, ZAGROS BASIN

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SINAPOUR M.; ARZANI N.; SEYRAFIAN A.

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Journal: IRANIAN JOURNAL OF PETROLEUM GEOLOGY Year:2016 | Volume:6 | Issue:11 Page(s): 43-74

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Title

RELATION BETWEEN MICROFACIES, DEPOSITIONAL ENVIRONMENT AND DIAGENESIS WITH RESERVOIR QUALITY THE JAHRUM FORMATION IN WELL NO. 11, GOLKHARY OIL FIELD, ZAGROS BASIN

Author(s)

SINAPOUR M. | ARZANI N. | SEYRAFIAN A. | Issue Writer Certificate

Keywords

MICROFACIESQ2

DIAGENESISQ2

RESERVOIR QUALITYQ2

JAHRUM FORMATIONQ2

WELL NO. 11Q1

GOLKHARY OIL FIELDQ1

Abstract

In this study the relationship between petrographic studies (MICROFACIES, environment of deposition and DIAGENESIS) and petrophysical data of core analysis in order to identify RESERVOIR QUALITY of the JAHRUM FORMATION in well no.11 at the GOLKHARY OIL FIELD. The GOLKHARY OIL FIELD is located at the west of QatarKazerun fault, in between Binak and Nargesi oil fields. The JAHRUM FORMATION consists of limestone, dolomite limestone and dolomite. Petrographical studies accomplish in two parts MICROFACIES studies led to the recognition of 9 MICROFACIES that were deposited in 3 facies belt tidal flat, lagoon and open marine environment. In DIAGENESIS studies the most important factors included bioturbation, micritization, mechanical compaction, secondary porosity, secondary anhydrite cement, calcite burial cement, stylolites and solution seams, replacement dolomite, dolomite cement and hydrocarbon shows. Porosities identified are intercrystalline, intergrain, intrafossil and intragrain, moldic, fracture, solution along stylolite, solution enlarge and shelter. The results of this study shows that Grain supported MF3 (Bioclast Nummulitidae Rotalia wackestone/ packstone/ grainstone) and MF4 (Bioclast Nummulitidae Orbitolites packstone/ grainstone/ floatstone) due to the presence in the environment energetic, micrite absence, lack of widespread cement, presence of effective porosities includes intergrain porosity and intercrystalline porosity identified are reservoir MICROFACIES. Petrophysical data with high levels of permeability and effective porosity between these two MICROFACIES is the confirmation of the results of petrographic studies.

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APA: Copy

SINAPOUR, M., ARZANI, N., & SEYRAFIAN, A.. (2016). RELATION BETWEEN MICROFACIES, DEPOSITIONAL ENVIRONMENT AND DIAGENESIS WITH RESERVOIR QUALITY THE JAHRUM FORMATION IN WELL NO. 11, GOLKHARY OIL FIELD, ZAGROS BASIN. IRANIAN JOURNAL OF PETROLEUM GEOLOGY, 6(11), 43-74. SID. https://sid.ir/paper/253050/en

Vancouver: Copy

SINAPOUR M., ARZANI N., SEYRAFIAN A.. RELATION BETWEEN MICROFACIES, DEPOSITIONAL ENVIRONMENT AND DIAGENESIS WITH RESERVOIR QUALITY THE JAHRUM FORMATION IN WELL NO. 11, GOLKHARY OIL FIELD, ZAGROS BASIN. IRANIAN JOURNAL OF PETROLEUM GEOLOGY[Internet]. 2016;6(11):43-74. Available from: https://sid.ir/paper/253050/en

IEEE: Copy

M. SINAPOUR, N. ARZANI, and A. SEYRAFIAN, “RELATION BETWEEN MICROFACIES, DEPOSITIONAL ENVIRONMENT AND DIAGENESIS WITH RESERVOIR QUALITY THE JAHRUM FORMATION IN WELL NO. 11, GOLKHARY OIL FIELD, ZAGROS BASIN,” IRANIAN JOURNAL OF PETROLEUM GEOLOGY, vol. 6, no. 11, pp. 43–74, 2016, [Online]. Available: https://sid.ir/paper/253050/en

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