Of course, they do...and for good reason. LOL As I've said before I've worked as a PetGeologist since 1975. But also slipped in as a reservoir engineer and then often as a drilling engineer during the last 10 years. Besides working with PetGeologists I've managed a good many of them over the years. And the majority of them couldn't CONSISTANTLY find oil to save their lives. Geophysicists did pretty good finding natural gas once "bright spot" (look it up) techniques developed. But rarely helped finding oil.
But for good reason: geologists can only map structural closures that MIGHT contain oil. Geologists typically rated the probability of those structures containing oil much too high. But that's what management always want. Not me. More than a few times when I killed a prospect management over road my call and it was drilled. And very rarely was I wrong. Constant pressure from upper managers/board of directors to drill something...ANYTHING. I lost more than one consulting gig for being too pessimistic. Even during my last 10 when I was VP Operations (typically held by an engineer) our Prez (a refinery engineer) wouldn't listen to me. Finally, our owner got tired of spending many tens of $millions on dry holes and fired our two geologists. Too late by then and soon afterwards sold the company to some ignorant investors.
A 66yo at that point I said fuck and retired. My MS was getting to be too much of a traveling problem.