Is petroleum biogenic or abiogenic

Wikipedia on petroleum:

Which one do you think it is? Convince me.

Here is one of several threads on the subject with others links in it.

Not much support for abiogenic origins.

Damn!

My searches almost never yield any useful results, so this time I skipped it. Go figure. Sorry, Mods.

Don’t sweat it. I only knew about it because I had posted to that thread.