Quantitative Analysis of Integrity Failures in Subsea Oil Wells Using a Markovian Model
- Danilo Colombo (Petrobras S.A. and Fluminense Federal University) | Danilo Taverna Martins Pereira de Abreu (Universidade of Sao Paulo) | Marcelo Ramos Martins (Universidade of Sao Paulo) | Gilson Brito Alves Lima (Fluminense Federal University) | Maurício Moraes Neves Jr. (Petrobras S.A.) | Pauli Adriano de Almada Garcia (Fluminense Federal University) | Paulo Fernando Ferreira Frutuoso e Melo (Federal University of Rio de Janeiro)
- Document ID
- Society of Petroleum Engineers
- SPE Production & Operations
- Publication Date
- February 2020
- Document Type
- Journal Paper
- 98 - 110
- 2020.Society of Petroleum Engineers
- well integrity, inspection, blowout, Markov chain
- 5 in the last 30 days
- 76 since 2007
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Well-integrity management is a key activity to prevent hydrocarbon leakages during the oil-well life cycle. Accordingly, qualitative techniques associated with the monitoring, testing, and checking of well integrity are widespread in the industry. However, there is still space to advance in terms of quantitative approaches that support the decision making regarding what action to perform when a failure occurs and, additionally, the resource planning without overlooking the risks. In line with this, we propose a Markovian model that allows computing the probability of uncontrolled hydrocarbon releases into the environment. This paper includes a case study demonstrating the model application and the impact of considering successful component tests and evidence of failures.
|File Size||964 KB||Number of Pages||13|
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