BUZZ-Oil producers, services companies: Prices at new five-year low

** Oil and gas producers and services providers' shares down as prices fall on fresh signs of oversupply and weak demand

** Brent crude falls to $64.04 a barrel - lowest since September 2009; U.S. crude falls to $60.88 - lowest since July 2009

** Exxon Mobil Corp shares down 2.9 pct at $88.76, Chevron Corp down 3.3 pct at $103.48, Hess Corp down 3.9 pct at $69.33

** Smaller rivals Penn West Petroleum Ltd (NYSE: PWE - news) down 13.2 pct at $2.31; Approach Resources Inc (NasdaqGS: AREX - news) down 9.4 pct at $5.88; Energy XXI Ltd (NasdaqGS: EXXI - news) down 8.6 pct at $2.92

** Oilfield services and equipment providers Schlumberger Ltd down 3.2 pct at $82.78, Halliburton Co down 3 pct at $33.26, National-Oilwell Varco Inc down 2.8 pct at $63.10