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Divers find natural gas pipeline leak in Alaska's Cook Inlet

Eleena Tovar | 12 Апреля, 2017, 13:36

Dive teams are finally working to fix Hilcorp's leaking natural gas pipeline in Cook Inlet.

The leak site, which is about 2 inches long, was on the bottom of a section of the pipeline resting on a boulder embedded in the seafloor, Hilcorp said.

Hilcorp Alaska says it's not sure where oil spotted in the waters near one of its Cook Inlet platforms came from.

Hilcorp said divers, who began the work on Friday, found the leak and were preparing to install a temporary clamp to stop it. The pipeline will not be put back into service until permanent repairs are completed, the line has been pressure tested and regulators sign off on a restart, Nelson said. The spill occurred in an area that is also home to other endangered mammals, including the Steller sea lion and the humpback whale. The company lowered pressure in the line but said minimal pressure was required.

An analysis of gas flow indicated the pipeline probably started leaking in mid-December.

Environmental groups contend the flow of gas is risky for wildlife, but Hilcorp has said it has seen no evidence of environmental damage.