Pig Removal: Recovering an Obstruction in Pressurized 48-Inch Pipeline

(P&GJ) —Following the completion of an offshore pipeline isolation project, STATS were asked by the client if they could offer a solution to a problem of an obstruction in their 48-inch gas export pipeline. During routine launching of an inline inspection tool, a slipper tray was accidently carried into the pipeline and lodged in the first pipeline bend, above grade, about 39 meters from the launcher door.