Subsea compressor cleaning method wherein the cleaning liquid is retrieved from the multiphase process fluid

摘要

There are described methods and apparatus for operating and/or cleaning a compressor. In an embodiment, a first fluid comprising gas may be passed through the compressor, whilst the compressor operates to compress the first fluid. A second fluid may be passed through the compressor, the second fluid comprising gas and liquid from at least one well. The second fluid may be passed through the compressor for a limited time period to clean a surface inside the compressor, whilst the compressor operates to compress the second fluid.