the tree is still being shaken., page-12

I did a web search to find examples but did not find much. My reference books on petroleum geology are all in Australia. You can have a series of oil fields one above the other each with its own oil/water contact.

Diagram 22.13 shows essentially what Faucon is; stacked oil zones on the edge of the salt dome.

http://www.geology.ohio-state.edu/~vonfrese/gs100/lect22/

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