Kuwait's Oil Minister Sheikh Ahmed Abdullah Al-Sabah has said the Oil Producing and Exporting countries (OPEC) should maintain its official out-put quota and called on the member states for more production compliance. <br/><br/> Talking to newsmen in Kuwait city today, Mr. Al-Sabah said his country will push for more output quota compliance in the OPEC Ministerial meeting in Vienna tomorrow. However, the Oil Minister said the market is well supplied and there is enough oil supply.