2D Petroleum System Modeling and Exploration Risk Assessment of Equatorial Margin: Piaui-Acarau-Camocim sub-basins, Ceará Basin, Brazil

July 27, 2023
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Report summary

In order to evaluate the exploratory potential of the Piauí-Camocim-Acaraú sub-basins, in the northern part of Ceará Basin, Brazil Petro Studies have developed a study to rank the best areas for petroleum exploration based on the integration of different approaches and exploration tools like seismic interpretation and mapping, high-resolution geochemistry, reservoir petrophysics, tectonic, structural and stratigraphic framework reconstruction and petroleum system quantitative modeling.

Table of contents

2. Regional Geology
2.1. Tectonic Evolution of the Equatorial Margin
2.2. Ceará Structural and Stratigraphic Framework
2.3. Exploratory History
3. Petroleum System Overview through Geochemistry of Oils from Ceará Basin
3.1. Characterization of the Oil Systems
3.2. Biodegradation and Oil Quality
3.3. Carbon Isotopic Signatures and n-Alkanes Distribution of the Oils
3.4. Assignment of Oil Origin through Biomarkers Distribution
3.5. Maturity Parameters and Oil Cracking
4. Seismic Interpretation and Geological Characteristics of the Area
4.1. Seismic Data Quality Control
4.2. Well Tying
4.3. Regional Mapping
4.4. Leads Definition
5. Stratigraphic Modeling
5.1. Quality Control of Well Data (Conversion and Standardization of Log Files)
5.2. Characterization of Potential Reservoirs
5.3. Regional Correlations
5.4. Play Fairway Mapping
6. 2D Petroleum Systems Modeling
6.1. Model Input
6.2. 1D Modeling
6.3. Calibration
6.4. P /T Modeling Results
6.5. Migration Modeling Results
6.6. Lead Evaluation (Dip Line)
6.7. Lead Evaluation (Strike Line)
6.8. Modeling Conclusions
7. Overall Conclusions
8. References

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