Jack Well, Great White, Thunder Horse, Tobago, and Silvertip. These are the names of the next frontier in oil exploration. Petroleum engineers call them “ultradeep discoveries”, and they are happening here and now in the Gulf of Mexico. “Every 17 seconds another airgun goes off [in the Gulf]. Do you realize the power of those airguns?…” says Dr. Tom Shirley, Endowed Chair of Biodiversity at Harte Research Institute for Gulf of Mexico studies.