...) of the United States Geological Survey (USGS) using traditional P-wave-arrival methods, and by the Lamont-Doherty Earth Observatory (LDEO) using surface waves with periods around 50 seconds (see (1) for a description of the method). The earthquake was the largest to occur in the Gulf of Mexico since the M?5...

... of core and the deploying of seafloor instruments. upstream oil & gas wob core barrel rmm retrieval lamont-doherty earth observatory drilling operation drill collar instrumented drill collar dss otc 17920 data acquisition technology conference ocean drilling program goldberg...