Kenai Peninsula Online | Oil leak discovered by workers in Alaska's Cook Inlet Minneapolis Star Tribune ANCHORAGE, Alaska — An oil leak was discovered in Alaska's Cook Inlet on Saturday, causing a major oil and gas producer to shut down two of its platforms there, officials say. Hilcorp Alaska LLC workers felt an impact on the company's Anna Platform ... Hilcorp platform leaking oil into Cook Inlet Oil leak discovered after 'impact' at Hilcorp platform in Cook Inlet 'Several large sheens' observed after leak at Cook Inlet oil platform |