Deletion of Mud engineer

Comment: Essentially unsourced.  The Schlumberger glossary entry just talks about bentonite without even mentioning the term ''Mud engineer''.  I don't consider the Career Trend source to be a .  Don't redirect to Drilling_fluid#Mud_engineer because that's totally unsourced as well.  If somebody wants to start from scratch and write a properly sourced article about this, that's fine, but this isn't it
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS)

Comment: There are plenty of books about drilling and the relating engineering required to do this well.  And the article lists a few.  |AfD is not cleanup
Stance: keep
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:NOTCLEANUP)

Comment: per Axl and Andrew D. The problem with retrospectively sourcing the article is simply that it's difficult to know where to start. But yeah, 
Stance: keep
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:NOTCLEANUP)

Comment: This discussion page was created without the {{tl|afd2}} template and never transcluded to a daily log.  Fixed now--I have no opinion on the nomination itself at this time.  {{ping|Chemical Engineer}} For future nominations, please fully follow the steps at .  Thanks
Stance: comment
Cited policy: Wikipedia:Articles for deletion (WP:AFDHOWTO)