please help in getting the correct answer to this logic puzzle

[vibes1234]

ah ok. i thought it might be due to the misunderstanding of a clue. managed to solve it finally.
Here's the grid in case anybody wants to have a...

[vibes1234]

Hello all,
I seek your help in solving this difficult logic puzzle. i am unable to proceed beyond a certain point and would appreciate any assistance...

[vibes1234]

we have very good solvers on the forum. just post your doubt and I'm sure you will get good solutions for them.

[vibes1234]

you're very welcome. but was it crystal clear and eliminated all doubts?

[vibes1234]

i'll try my best to explain this clue in a simpler language by breaking it down into multiple steps.

the clue says "Of the OIL CREW...