** Oil-related stocks take a hit as crude prices dip due to possible return of Libyan production and as rising coronavirus cases stoke worries about global demand

** Brent crude was down $1.21 at $41.94 a barrel by 1346 GMT, while U.S. crude fell $1.21 to $39.90 a barrel

** Both contracts set for their biggest daily drops in two weeks

** Majors Exxon Mobil Corp and Chevron Corp down more than 3% each

** Oilfield services co Halliburton down 6.3% at $13.54, while Schlumberger NV slips 4.4% to $17.91

** Occidental Petroleum Corp  slides nearly 5%, while producers Diamondback Energy Inc and Apache Corp fall 5.3% and 4.6%, respectively

** Meanwhile, European oil majors BP Plc and Royal Dutch Shell Plc down 3.5% and 2.4%, respectively, on the London Stock Exchange

(Reporting by Shruti Sonal in Bengaluru) ((Shruti.Sonal@thomsonreuters.com; Twitter: @shrutisonal26))