Read up on methane hydrate and what it's like offshore. Years ago doing research seismic surveys off the Oregon coast, we saw a lot of it. Shows up as a very

Read up on methane hydrate and what it's like offshore. Years ago doing research seismic surveys off the Oregon coast, we saw a lot of it. Shows up as a very bright layer just below the surface, and very easy to find. It's just sitting there waiting for the right trigger.