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Geology - Petroleum Play Analysis of SE Brazil - Espírito Santo Basin - Report Writing Assignment Help
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Geology Report Writing Assignment Help
Task: Petroleum Play analysis of SE Brazil - Espírito Santo Basin The assignment consists in an assessment of the petroleum potential of the 'pre-salt' reservoirs in the Espírito Santo Basin, SE Brazil. Southeast Brazil has witnessed the discovery of major oil fields offshore Rio de Janeiro, Cabo Frio and Victória. Most of these major fields are located below thick Aptian salt units in carbonate microbialites that, due to technological advances, can be ‘stimulated’ to allow favourable recovery rates. Most of the fields in ultra-deep waters are, nevertheless, rich in volatiles (NSOs) that need to be re-injected back into the reservoir units. Offshore Espírito Santo, favourable geological conditions have allowed the loss of these volatiles, and GORs are lower than in ultra-deep prospects. As not all the information required to fully assess the petroleum potential of certain regions of SE Brazil will be available in published journals or online literature, this essay will require some creative, critical thinking – which will be rewarded in the assessment of the essay. The aim of the essay will be to address, based on a series of .ppt slides provided with this document, the role of:- Cretaceous faulting in the release (and migration) of hydrocarbons and volatiles. In other words, explain what is the role of these faults in the enhancement (of not!) of fluid migration, and on the destabilization of strata above the faults.
- Suggest areas to drill in the seismic sections provided, and
- As the study area has plenty of (upper) Cretaceous channel-fill deposits, conclude on the role of submarine channels as CO2 sinks at the time of their deposition, and at present.
- Geological (chronostratigraphy, lithostratigraphy) and geographical terms must be written correctly, using capitals when needed. Examples: Santos Basin, Cretaceous, Albian, Aptian Evaporites, Urucutuca Formation, etc.
- The report should be written in the format of a scientific paper.
- It must begin with a brief Summary/Abstract (1 page) explaining the setting, the goal of the research, the fundamental observations and interpretation that drive your conclusions.
- The report should contain the following sections:
- Abstract
- Introduction and geological setting
- Petroleum elements within the basin, including a short description of
- Potential source rocks
- Potential reservoirs
- Potential Seals
- Potential traps
- Burial and thermal history of the basin
- Discussion – you should address the key topics of the essay:
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