Patent ID: 8968481
Filing Date: 2015-03-03
Classification: B08B,F16L

Abstract:
1. An apparatus for receiving and cleaning debris off a pig comprising: a receiver housing arranged to enable connection to a pipeline; a pig retention mechanism mounted within said receiver housing, said pig retention mechanism arranged such that it is operable to retain the pig within the housing; a first sealing member operable to seal the portion of the receiver housing through which the pig can be removed from the apparatus; a second sealing member operable to seal the portion of the housing that connects said receiver to the pipeline; a fluid inlet; a jet header pipe mounted internally within the receiver housing in fluid communication with the fluid inlet and having jetting nozzles configured to fluidise debris in the receiver housing and off the pig; and a fluidisation and transportation device attached to the receiver housing arranged to receive fluidized debris from the receiver housing, wherein the apparatus is arranged such that, in use, pressurized fluid is introduced into the enclosed interior of the receiver housing via the fluid inlet and the jetting nozzles in order to fluidise debris which is then removed from the receiver housing prior to the opening of the receiver housing, via the fluidisation and transportation device.