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PRCI PR-218-9406
- Analysis of DOT Reportable Incidents for Gas Transmission and Gathering Pipelines - January 1, 1985 Through December 31, 1994
- Report / Survey by Pipeline Research Council International, 05/01/1996
- Publisher: PRCI
$198.00$395.00
L51745e
Kiefner & Associates, Inc.
Need: The pipeline industry has identified the need to maintain a comprehensive database of pipeline incidents. The Department of Transportation maintains the official source of information regarding pipeline incidents in the United States. To date, this database has not been considered to be as useful as it could be for risk assessment applications. Reasons for this include the absence of complete information, the over simplified method for identifying the cause of failures, and the lack of adequate pipeline mileage data.
Benefit: This report provides an analysis and overview of the incidents, and it suggests other ways to analyze the data. To enhance the utility of the information, a technical review of the individual incident reports has been conducted as described herein. This technical review resolved nearly all of the inconsistencies within the database and classified the causes of failures in a more appropriate format. In addition, a PC-compatible database of the 865 incidents reported between 1985 and 1994 was created and is provided with this report. This database is readily accessible in various formats such that pipeline operators and others can review individual incidents or use the data in numerous ways for analysis.
Result: For the purposes of analysis, the incidents are separated by pipeline and non-pipeline incidents (compressor stations, metering facilities, etc.). The proportion of the 865 reported incidents in each category is presented in the study: 683 pipeline incidents (79 percent) and the 182 non-pipeline incidents (21 percent). The results are separated in this manner for two reasons. First, incidents which occur along the pipeline are generally much different in nature than those which occur at other facilities such as compressor stations or metering facilities. Second, the non-pipeline failures account for a much greater percentage of the incidents involving consequences (fatality/ injury, fire, property damage). An important result of this analysis is that the non-pipeline incidents account for 21 percent of all incidents but 47 percent of the incidents involving a fatality or injury, 58 percent of the incidents involving a fire, and 30 percent of the incidents resulting in property damage greater than $250,000. Separating pipeline and non-pipeline incidents provides a more reasonable basis to analyze the consequences of incidents.
Kiefner & Associates, Inc.
Need: The pipeline industry has identified the need to maintain a comprehensive database of pipeline incidents. The Department of Transportation maintains the official source of information regarding pipeline incidents in the United States. To date, this database has not been considered to be as useful as it could be for risk assessment applications. Reasons for this include the absence of complete information, the over simplified method for identifying the cause of failures, and the lack of adequate pipeline mileage data.
Benefit: This report provides an analysis and overview of the incidents, and it suggests other ways to analyze the data. To enhance the utility of the information, a technical review of the individual incident reports has been conducted as described herein. This technical review resolved nearly all of the inconsistencies within the database and classified the causes of failures in a more appropriate format. In addition, a PC-compatible database of the 865 incidents reported between 1985 and 1994 was created and is provided with this report. This database is readily accessible in various formats such that pipeline operators and others can review individual incidents or use the data in numerous ways for analysis.
Result: For the purposes of analysis, the incidents are separated by pipeline and non-pipeline incidents (compressor stations, metering facilities, etc.). The proportion of the 865 reported incidents in each category is presented in the study: 683 pipeline incidents (79 percent) and the 182 non-pipeline incidents (21 percent). The results are separated in this manner for two reasons. First, incidents which occur along the pipeline are generally much different in nature than those which occur at other facilities such as compressor stations or metering facilities. Second, the non-pipeline failures account for a much greater percentage of the incidents involving consequences (fatality/ injury, fire, property damage). An important result of this analysis is that the non-pipeline incidents account for 21 percent of all incidents but 47 percent of the incidents involving a fatality or injury, 58 percent of the incidents involving a fire, and 30 percent of the incidents resulting in property damage greater than $250,000. Separating pipeline and non-pipeline incidents provides a more reasonable basis to analyze the consequences of incidents.
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