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Hydraulically activated pipeline pigging (HAPP) is a pigging technology applied for pipeline cleaning. The basic principle is that a pressure drop is created over a by-passable pig held back against a pipeline's fluid flow. The pipeline fluid passing through the pig's cleaning head is accelerated by this pressure drop, forming strong cleaning jets.
The wire brush encircles the shaft and scours the interior of the pipeline. A scraper pig shown at the Trans-Alaska Pipeline System Visitors Center. In pipeline transportation, pigging is the practice of using pipeline inspection gauges or gadgets, devices generally referred to as pigs or scrapers, to perform various maintenance operations ...
The compressor is driven by an electric motor or an engine fueled by some of the natural gas bled from the pipeline or liquid fuel such as diesel. Companies install compressor stations along a pipeline route. The size of the station and the number of compressors (pumps) varies, based on the diameter of the pipe and the volume of gas to be moved.
Portions of the San Bruno pipeline had been built in 1956. In ideal situations, pipeline inspection gauges or a “PIG” (see Pigging) is used to inspect and ensure the safe operation of natural gas pipelines. About 63 percent of all natural gas pipelines in the US cannot be properly inspected using a PIG, or automatic robot in the pipes ...
U.S. energy production is higher than it has been in decades, and as a result America's pipelines and processing centers are booming as well. Giant midstream companies such as Enbridge and ...
ROSEN Group is a family business, headquartered in Stans, which specializes in the research, development, production, and operation of inspection devices for pipelines and other complex technical systems.
U.S. domestic oil and gas production is higher than it's been in decades, and as a result, the midstream industry is booming as well. But headline hogs such as Kinder Morgan and TransCanada aren't ...
Robotic non-destructive testing (NDT) is a method of inspection used to assess the structural integrity of petroleum, natural gas, and water installations. Crawler-based robotic tools are commonly used for in-line inspection (ILI) applications in pipelines that cannot be inspected using traditional intelligent pigging tools (or unpiggable pipelines).