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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 ...
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 pigs cleaning head is accelerated by this pressure drop, forming strong cleaning jets.
August 15 – Two pipeline workers were injured when a lid on a pipeline pig trap blew off of a gas pipeline, near Barstow, Texas. A fire followed. [42] September 5 – A gasoline pipeline ruptured and ignited at a Plantation Pipeline Terminal in Bremen, Georgia. For a time, there were fears the fire might spread to nearby fuel storage tanks ...
October 15 – A natural gas pipeline under construction in Grand Prairie, Texas was running a cleaning pig without a pig "trap" at the end of the pipe. The 150 pound pig was expelled from the pipeline with enough force to fly 500 feet (150 m), and crash through the side of a house. No one was injured. [44]
Pigging slugs are caused by pigging operations in the pipeline. The pig is designed to push all or most of the liquids contents of the pipeline to the outlet. This intentionally creates a liquid slug. Slugs formed by terrain slugging, hydrodynamic slugging or riser-based slugging are periodical in nature.
They can reproduce quickly; female pigs can have multiple litters a year, up to 8 at a time, and hogs reach sexual maturity at a young age. Farm land torn up by wild hogs in Horry County
Editor's note: The University of Georgia announced that Kirby Smart's father, Sonny Smart, died early Saturday morning. By almost any measurement, Georgia's Kirby Smart is one of the best coaches ...
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