Banca de QUALIFICAÇÃO: LARISSA ALCÂNTARA FRANKLIN DA SILVA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : LARISSA ALCÂNTARA FRANKLIN DA SILVA
DATE: 03/10/2025
TIME: 09:00
LOCAL: https://meet.google.com/ero-mkiz- ktn
TITLE:

Mitigation of Oil Spills: Performance Evaluation of Chemical Dispersants and Modeling Using the OSCAR/Oil Weathering Model (OWM).

KEY WORDS:

OSCAR; blowout; chemical dispersants; high-resolution forcings; SAO maps.

PAGES: 70
BIG AREA: Outra
AREA: Ciências Ambientais
SUMMARY:

The oil industry represents a significant environmental risk, with the potential for spills occurring at all stages of its operations, from drilling to distribution. This dissertation project aims to evaluate the effectiveness of chemical surfactants and improve the predictive modeling of oil spills using the OSCAR (Oil Spill Contingency and Response) model. Deterministic simulations of spills involving the oil produced by the FPU P-53 will be carried out, both at the surface and subsurface levels. The simulations will include scenarios both with and without the application of chemical dispersants authorized by IBAMA. The research focuses on a comprehensive response to oil spills, with particular attention to the 2019 spill from the FPU P-53, located in the Marlim Leste field in the Campos Basin, Rio de Janeiro. The objective is to understand how simulations with different configurations—surface and subsurface, with and without dispersant use— influence the model’s outputs and to assess the oil's behavior under these varying conditions. To achieve this, high-resolution hydrodynamic forcings from REMO and wind data from ECMWF, both provided by Petrobras, will be used to enhance the accuracy of the simulations. Additionally, Environmental Sensitivity Index (ESI) maps will be integrated into the model to improve the analysis of environmental impacts and emergency response strategies in the event of incidents. To ensure the accuracy of the simulations related to the 2019 spill from the FPU P-53, specific parameters from the IBAMA report will be used. These include the oil mass balance from the facility, which totaled 122 m³, as well as the date and location of the spill—March 25, via the discharge of oil through the produced water line. Furthermore, the date and location of the oil’s arrival on the coast—April 3 at Praia dos Anjos, in Arraial do Cabo—will be used as critical benchmarks in evaluating the simulation results. This approach aims to understand how different types of Brazilian crude oils respond to variations in model configurations and to assess their behavior under diverse environmental conditions and control methodologies. As a result, the analysis will be deeper and more accurate, allowing for a detailed evaluation of potential environmental impacts and the effectiveness of response strategies.

COMMITTEE MEMBERS:
Presidente - 3074889 - ANGELO TEIXEIRA LEMOS
Externo à Instituição - RENATO PARKINSON MARTINS - PETROBRAS
Externa à Instituição - GABRIELA SOUZA GOMES - UFES
Externo à Instituição - RENATO DAVID GHISOLFI - UFES