The operator inherited the line and is required to abandon it properly, they don't want to pay for a nitrogen spread.
To properly pig the line with sea water the pig has to make it to the end of the pipeline. With big enough leaks it won't.
They tried using dye but no indications made it to the...
The Pipeline is to be abandoned in 298fsw. Using a series of pumps pushing 1500gpm of seawater at 250 psi it is decided that there is at least one leak in the 30 mile long pipeline to be abandoned.
The Operators want to use air to help the divers find the leaks so they can be fixed.
There is...