Evaluation of Well Logs for Recognition of Depositional Sequences: A Case Study from the Permian-Triassic Successions of the Persian Gulf and Coastal Fars Regions

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ENAYATI BIDGOLI AMIRHOSSEIN; RAHIMPOUR BONAB HOSSAIN; Nickandish Abbasali

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Journal: PETROLEUM RESEARCH Year:2017 | Volume:27 | Issue:92 Page(s): 69-81

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Title

Evaluation of Well Logs for Recognition of Depositional Sequences: A Case Study from the Permian-Triassic Successions of the Persian Gulf and Coastal Fars Regions

Author(s)

ENAYATI BIDGOLI AMIRHOSSEIN | RAHIMPOUR BONAB HOSSAIN | Nickandish Abbasali | Issue Writer Certificate

Keywords

Depositional SequenceQ1

Well LogQ1

Wavelet AnalysisQ1

Permian-TriassicQ1

Dalan and Kangan FormationsQ1

Abstract

Using of Well Logs in un-cored wells in order to identify rock strata related features usually has been discussed between the geologists. In this study, firstly, based on drilling cores, Depositional Sequences and surfaces of the Permo-Triassic successions in the Persian Gulf and Coastal Fars areas are identified. Then, using processed gamma and density Well Logs (Wavelet Analysis), in Cyclolog software, sequence stratigraphic surfaces including sequence boundary and maximum flooding surfaces are recognized and compared with the petrographical results. The recognized surfaces based on gamma ray logs are more compatible with the identified surfaces based on depositional facies, than results of density Well Logs. According to decreasing and increasing trends and turning points on the processed gamma ray and density Well Logs of the studied wells and fields, several (isochronous) correlatable surfaces are recognized. Rather than gamma ray and density Well Logs, Sonic, Neutron, Potassium, Thorium, spectral gamma ray and resistivity, are analyzed using wavelet method which gamma, Potassium, Thorium and Neutron Well Logs show same results.

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APA: Copy

ENAYATI BIDGOLI, AMIRHOSSEIN, RAHIMPOUR BONAB, HOSSAIN, & Nickandish, Abbasali. (2017). Evaluation of Well Logs for Recognition of Depositional Sequences: A Case Study from the Permian-Triassic Successions of the Persian Gulf and Coastal Fars Regions. PETROLEUM RESEARCH, 27(92 ), 69-81. SID. https://sid.ir/paper/114613/en

Vancouver: Copy

ENAYATI BIDGOLI AMIRHOSSEIN, RAHIMPOUR BONAB HOSSAIN, Nickandish Abbasali. Evaluation of Well Logs for Recognition of Depositional Sequences: A Case Study from the Permian-Triassic Successions of the Persian Gulf and Coastal Fars Regions. PETROLEUM RESEARCH[Internet]. 2017;27(92 ):69-81. Available from: https://sid.ir/paper/114613/en

IEEE: Copy

AMIRHOSSEIN ENAYATI BIDGOLI, HOSSAIN RAHIMPOUR BONAB, and Abbasali Nickandish, “Evaluation of Well Logs for Recognition of Depositional Sequences: A Case Study from the Permian-Triassic Successions of the Persian Gulf and Coastal Fars Regions,” PETROLEUM RESEARCH, vol. 27, no. 92 , pp. 69–81, 2017, [Online]. Available: https://sid.ir/paper/114613/en

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