A RISK ANALYSIS SCHEME OF THE CO_2 LEAKAGE FROM GEOLOGIC SEQUESTRATION

摘要

Basic concept of risk analysis for the CO_2 leakage from a geological sequestration operation is described. First, necessary elements of a leakage scenario are summarized for the evaluation of risks. Mechanisms and paths, and sequestration structures are categorized for this purpose. Scheme of the risk evaluation based on the constructed leakage scenario gives different meanings of risk for different category of seal reliability. A sample of risk analysis is presented with general ideas.