MADRID, June 17 (Reuters) - China's Sinopec and its
subsidiary Addax Petroleum UK Limited SASAAP.UL have served an
arbitration notice to Talisman Energy Inc and Talisman Colombia,
both owned by Spanish oil major Repsol REP.MC , demanding pay
back of its 2012 investment in Addax and Talisman joint venture
TSEUK, Repsol said in a statement on Friday.
The total value of the demand is around $5.5 billion, Repsol
said.