Research on evolution hierarchy of major accidents in offshore oil and gas industry in storm disasters

doi:10.16265/j.cnki.issn 1003-3033.2021.07.024

Abstract

Abstract: In order to ensure safety of offshore oil and gas operations in extreme environments, a research method on evolution hierarchy of major accidents based on grounded theory and DEMATEL-ISM is proposed. Firstly, correlation between accidents and external environmental factors and internal factors was discussed through statistical analysis on accident cases. Then, programmed grounded theory was used to carry out objective induction from top to bottom for encoding and categorizing causal factors of accidents. Eventually, accident evolution hierarchy was determined considering subjective deduction characteristics of DEMATEL-ISM. The results show that potential risks for accidents include greater storm intensity, longer service life, lower platform category as well as season and area which see frequent storms. And interaction between B4 and B3 has characteristics of emergence. It also suggests that bad weather and lack of risk awareness are root causes of accidents, damage of supporting structure and loss of seal integrity are key nodes while damage of platform facilities is a necessary route. By intensifying management and control on above factors, risks of offshore oil and gas operations in extreme disasters can be effectively reduced.

Key words: storm disasters, offshore oil and gas accidents, grounded theory, decision making trial and evaluation laboratory (DEMATEL), interpretative structural modeling (ISM)

CLC Number:

X915.5
X937

ZHU Gaogeng, CHEN Guoming, ZHANG Yufei, SHENG Jiliang, YUAN Guanying, LIU Jian. Research on evolution hierarchy of major accidents in offshore oil and gas industry in storm disasters[J]. China Safety Science Journal, 2021, 31(7): 172-179.

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