However, according to EGIG, 37% of safety incidents are detected by the public and only 17% by inspection surveys. Operators inspect once every one to three weeks the total length of their pipeline route from the air. Until now, the most common strategy for preventing TPIs is aerial surveying using helicopters. Examples of TPIs are excavations, construction activities, and deep ploughing. According to the European Gas Pipeline Incident Data Group ( EGIG), TPIs are responsible for almost 50% of all failures in high pressure gas transmission pipelines. In Europe, the main cause for failures in high pressure gas transmission pipelines are what are called Third Party Interferences (TPIs). Pipeline accidents tend to be high-impact incidents that can put people and the environment at great danger, as well of course as damaging the pipeline itself. In most cases, this network is not very deep just 1.5 meters below the surface.įor the pipeline operators, reliability is of course important, but safety is paramount. These numbers pertain only to transmission pipelines, the backbone of the system they do not include the final distribution lines to our homes and places of work. It may come as a surprise to learn how many kilometers of oil and gas pipeline are buried under our feet: worldwide there is a total of some two million km for the EU alone there are 180,000 km, of which 140,000 km for gas, the rest for oil and related products.
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