SUBSEA PIG LAUNCHING AND RECEIVING SYSTEM AND METHOD OF USE AND INSTALLATION

摘要

A pig launching and receiving system for use in cleaning a subsea flowline (10). A method of propelling a pig (19) trhough a flowline (10) using a pressurized accumulator (13), a method of assembling a subsea pig receiver (16) in a flowline (10) using a remotely operated vehicle, and a method of collecting a sample from a subsea flowline (10), using an accumulator (13) connected to a pig launcher (9).