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Utility Pigs, are used to perform functions such as cleaning, separating, or dewatering. In Line Inspection (ILI) Tools, provide information on the condition of the line, as well as the extent and location of any problems. Gel Pigs, are used in conjunction with conventional pigs to optimize pipeline dewatering, cleaning, and drying tasks.
Pigging systems are designed so that the pig is loaded into the launcher, which is pressured to launch the pig into the pipeline through a kicker line. In some cases, the pig is removed from the pipeline via the receiver at the end of each run. [9] All systems must allow for the receipt of pigs at the launcher, as blockages in the pipeline may ...
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A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. [1] It is traditionally small in size. [ 2 ] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. [ 3 ]
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A photo of a trapper on his line from the 1913 American autobiography Fifty Years a Hunter and Trapper A photo of a modern trapper's cabin from the Brooks Range in Alaska. In the fur trade, a trapline is a route along which a trapper sets traps for their quarry. Trappers traditionally move habitually along the route to set and check the traps ...
March 29 – A road grader hit a gas pipeline near Tuttle, Oklahoma. The grader driver was burned to death. [229] April 10 – A Dow Chemical Company NGL pipeline in Amber Township, Michigan was being purged by passing a plastic pipeline pig propelled by compressed air. Iron sulfide residue inside the pipeline reacted, causing an explosion that ...
Texas Eastern Pipeline (TETCo) is a major natural gas pipeline which brings gas from the Gulf of Mexico coast in Texas and Louisiana up through Mississippi, Arkansas, Tennessee, Missouri, Kentucky, Illinois, Indiana, Ohio, and Pennsylvania to deliver gas in the New York City area. It is one of the largest pipeline systems in the United States.