united oil  gas plc shares fell thursday after the company said recent production at abu sennan in egypt missed expectations and lowered its fullyear oil production guidance for the license shares at 0913 gmt were down 048 pence or 24 at 15 pence the energy companywhich owns a 22 nonoperating interest in the onshore licensesaid the ash4 development wells rates have sharply declined in recent days suggesting that it is connected to a smaller volume of oil than expected predrill the company lowered its fullyear production guidance for abu sennan to 13001325 equivalent barrels net from previous guidance of 14501500 barrels the company said this doesnt include any contributions from workovers still to be completed late in the fourth quarter which could add an additional 175 barrels a day