Reservoir Characterization using Core data and Well Logging analysis in Obayied Field, Western Desert, Egypt
Ahmed Nasr Abd El-Rahman Gomaa;
Abstract
The main purpose of the current study is to determine the different reservoir parameters characterizing the reservoir zones utilizing core data and well logging analysis in the Obayied field.
The available data for the current study are:
I. Well-logging data of five wells including Composite logs of gamma-ray logs, formation density compensated logs, neutron compensated logs, resistivity logs, and borehole compensated sonic logs.
II. Core data of three wells including core porosity logs for chosen depths at Upper Safa Member and Lower Safa Member.
III. Structure map of Lower Safa Member.
The different well logging data of five wells in the Obayied field were used to study the different petrophysical parameters of the Upper and Lower Safa reservoirs. The Well log analysis allows for the following conclusions:
The Upper Safa reservoir in the interval 3553.33-3757.05 m depth (Total vertical depth subsea) has been shown four hydrocarbon bay zones based on the well logs correlation. The average values of the petrophysical parameters of thus zones have been measured. The nature of the fluids in the permeable pay zones is determined by the analysis of the porosity and resistivity logs. The interpretation of both the response of the resistivity tools and the neutron-density log response through the Upper Safa zones show that the
The available data for the current study are:
I. Well-logging data of five wells including Composite logs of gamma-ray logs, formation density compensated logs, neutron compensated logs, resistivity logs, and borehole compensated sonic logs.
II. Core data of three wells including core porosity logs for chosen depths at Upper Safa Member and Lower Safa Member.
III. Structure map of Lower Safa Member.
The different well logging data of five wells in the Obayied field were used to study the different petrophysical parameters of the Upper and Lower Safa reservoirs. The Well log analysis allows for the following conclusions:
The Upper Safa reservoir in the interval 3553.33-3757.05 m depth (Total vertical depth subsea) has been shown four hydrocarbon bay zones based on the well logs correlation. The average values of the petrophysical parameters of thus zones have been measured. The nature of the fluids in the permeable pay zones is determined by the analysis of the porosity and resistivity logs. The interpretation of both the response of the resistivity tools and the neutron-density log response through the Upper Safa zones show that the
Other data
| Title | Reservoir Characterization using Core data and Well Logging analysis in Obayied Field, Western Desert, Egypt | Other Titles | تقييم الخزانـات بإستخدام بـيـانـات العينات اللـبيه وتحاليل تسجيلات الآبــار فى حقل الأُبيــض – الصـحـراء الغربية – مصـر | Authors | Ahmed Nasr Abd El-Rahman Gomaa | Issue Date | 2020 |
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