Brent falls to near $92 on strong dollar, surplus

* Dollar index near 4-year high after upbeat U.S. jobs * Brent could fall to $90, first time since June 2012 By Keith Wallis SINGAPORE Oct 6 (Reuters) - Brent crude futures fell to near $92 a barrel on Monday, extending this year's rout that saw the international benchmark hit a 27-month low in the previous session due to a strong U.S. dollar and ample oil supply. Brent lost nearly 5 percent ...