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U.S. Department of Energy
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Use of risk-analysis methods in the LNG industry

Conference ·
OSTI ID:5300575
This paper examines the use of probabilistic risk analysis methods in the liquefied natural gas (LNG) industry and summarizes some ongoing work being conducted at Pacific Northwest Laboratory (PNL) using risk analysis techniques to assess LNG facility release prevention systems. The basic facilities for LNG processing, transportation, and storage include export terminals, marine vessels, import terminals, peakshaving/satellite facilities, and truck tankers. Risk analysis results can be used to characterize the safety of the current systems, to identify areas for improvement, to determine regulatory compliance, to guide research and development, and to evaluate system changes. Previous risk analysis studies on LNG facilities are reviewed in terms of successes and problems in meeting the above objectives. PNL is performing a study of the effectiveness of LNG release prevention and control systems. The overall objectives of this PNL research project are to develop an adequate understanding of LNG release prevention and control systems and to identify factors which may alter or nullify their usefulness. Analyses of LNG import terminal release prevention systems are summarized. Representative release scenarios are developed for reference import terminal. The analysis of these release scenarios consists of four main parts: (1) predicting the expected number of occurrences for each scenario, (2) determining the reliability and effectiveness of the emergency sensors and shutdown systems, and (3) estimating the size of the potential releases, and (4) evaluating design alternatives.
Research Organization:
Pacific Northwest Lab., Richland, WA (USA)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
5300575
Report Number(s):
PNL-SA-10515; CONF-820656-3; ON: DE82019214
Country of Publication:
United States
Language:
English