Pipeline transportation

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Pipeline transportation safety investigation report

Pipeline transportation safety investigation P18H0088

The occurrence

On , at about 1725 Pacific Daylight Time, a 914.4 mm (36-inch) pipeline operated by Enbridge Inc. that was transporting sweet natural gas ruptured about 13 km northeast of Prince George, British Columbia (BC). Following the rupture, the natural gas ignited, resulting in a fire. Some 125 people within a 2 km radius of the occurrence location were evacuated as a precaution. There were no injuries.

Pipeline transportation safety investigation P20H0023

The occurrence

On , at approximately 11:20 p.m. MST, the Trans Mountain Pipeline released crude oil from the Sumas pump station located near Abbotsford, British Columbia. The pipeline was shut down, and crews were dispatched to investigate. A 1-inch pipeline fitting has been identified as the source of the leak. No product was observed outside of company property. There were no injuries.

Pipeline transportation safety investigation P21H0143

The occurrence

On , at approximately 1518 Central Daylight Time, the Minell Pipeline, a 6-inch natural gas pipeline operated by Manitoba Hydro, was struck by the blade of a farm tractor as it was scraping the ground in an agricultural field near McAuley, Manitoba. The pipeline ruptured and released approximately 84 000 m³ of natural gas. The released gas did not ignite and no evacuation was required. No one was injured.

Pipeline transportation safety investigation P24H0018

The occurrence

On 16 April 2024, at approximately 1045 Mountain Daylight Time, a 36-inch (914 mm) pipeline operated by NOVA Gas Transmission Ltd., transporting sweet natural gas, ruptured about 36.5 km northwest of Edson, Alberta. Following the rupture, the natural gas ignited, resulting in a fire that self-extinguished about 3 hours later. Approximately 5 980 000 m3 of natural gas was released. There were no injuries, and no evacuation of members of the public was required.

Pipeline occurrence datasets from January 1979

With a view to advancing transportation safety, the TSB is publishing data from its Pipeline Occurrence Database System (PODS) on reportable accidents and incidents (which together are called occurrences) for use by industry and the public. The TSB gathers these data in the course of its investigations and uses them to analyze safety deficiencies and identify risks in the Canadian transportation system.

Background and Fact Sheet for the Pipeline Investigation Report No. P00H0061

Compressor Station Occurrence, East Hereford, Quebec 28 December 2000

The sole mission of the Transportation Safety Board of Canada (TSB) is to advance safety through the investigation of accidents or incidents in the marine, pipeline, rail and air modes of transportation. As a result of the detailed investigation into the pipeline occurrence in East Hereford, Quebec, significant safety actions have already been taken to make the system safer. These actions include:

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