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ARTICLE IN Volume 5, 2010 - Number 1

ENVIRONMENTAL RISK ANALYSIS FOR CRUDE OIL SOIL POLLUTION



Cristiana DUMITRAN1 & Ion ONUTU2
1Environmental & Engineering Consultancy Oil&Gas production Industries Geopetrol S.A. Ploiesti
cristiana.dumitran@geopetrol.roM
2Oil and Gas University of Ploiesti, Department of Petroleum Processing Engineering
ionutu@upg-ploiesti.ro


Full text Downloads: 3565

Abstract

Environmental risk assessment (ERA) is predominantly a scientific activity and involves a critical review of available data for the purpose of identifying and possibly quantifying the risks associated with a potential threat. Risk management (RM) is performed to consider the need to impose measures to control or manage the risk. The working methodology presented in this paper was done based on several research studies for the environmental risk assessment for soil pollution with hidrocarbures from accidental crude oil spills. The qualitative and quantitative assessment of the environmental risk for industrial sites for drilling, gas oil separation it is complex and require several data. For these reasons a environmental risk calculation methodology for soil is presented which is structured in modules and steps. Environment risk assessment of pollution with hydrocarbons from crude oil comprises five interrelated modules: hazard identification, hazard assessment, risk estimation by the award of „grades” for the frequency and severity of consequences environmental risk assessment based on risk criteria (ALARP) and environmental risk management. The modules required data: technical data for the equipment in the upstream industrial activities, extraction and gasoil separation, physico-chemical analysis for the soil contaminants, soil properties that may influence the severity and consequences of the default risk, charts, mathematical equations and matrix assessment of environmental risk intensity. In the methodology are established the steps needed to calculate the alert threshold and intervention and additional studies needed (geotechnical study, pedological and chemical study).

Keywords:

  • methodology
  • environmental
  • risk
  • assessment
  • (ERA)
  • risk
  • assessment
  • soil
  • pollution
  • crude
  • oil
  • extraction
  • procedure
  • hazard
  • assessment.

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ENVIRONMENTAL RISK ANALYSIS FOR CRUDE OIL SOIL POLLUTION

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