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Methodology to Estimate the Chance of Success of a 4D Seismic Project from the Reservoir Engineering Perspective

Grant number: 10/12162-7
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): January 01, 2011
Effective date (End): July 31, 2014
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geophysics
Principal Investigator:Denis José Schiozer
Grantee:Carla Janaina Ferreira
Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):13/02250-4 - Use of Emulator to estimate the best time to acquire 4D seismic data, BE.EP.DR


Greater the knowledge about the oil reservoir characteristics, more reliable is the prediction of its behavior. After some time of operation is possible to obtain more reliable information about the oil or gas available volumes and other oil accumulation properties. For this, historical matching process is used, which seeks to set the reservoir theoretical model to a known data series, allowing the identification of the main characteristics of the reservoir under study.However, the historical matching application in the first years of production is very limited due to the limited amount of information available and high degree of geological, economic and technological uncertainties. Nowadays a tool that has helped to minimize this problem is the use of 4D seismic surveys, which from qualitative analysis can identify changes in the petrophysical characteristics of the reservoirsRecent studies have developed methodologies that integrate seismic data to the process of history matching, promoting more reliable adjusted models, however, obtaining information has a cost associated.Thus, this research seeks to develop a methodology for determining the optimum time to execute a 4D seismic survey, by obtaining correlations between production data, such as water injection and the optimum time to perform the seismic in order to maximize the benefit of using seismic data in history matching.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FERREIRA, Carla Janaina. Metodologia para a estimativa da chance de sucesso de um projeto de sísmica 4D do ponto de vista da engenharia de reservatórios. 2014. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Mecânica Campinas, SP.

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