By Ross Kelly SYDNEY--Oil Search Ltd. (OSH.AU) on Tuesday reported a 2.7% fall in second-quarter revenue due to lower oil prices and said it expects to conclude a sell-down process for some exploration acreage in natural gas-rich Papua New Guinea soon. Revenue for the three months to June 30 fell to US$211.3 million, down from US$217.8 million on year and beating a UBS forecast of US$171.1 million. Quarterly production edged up to 1.80 million barrels of oil equivalent from 1.77 million BOE and Oil Search stuck to its full year production guidance of 6.2 million-6.7 million BOE. -By Ross Kelly, Dow Jones Newswires; 61-2-8272-4692; Ross.Kelly@dowjones.com Order free Annual Report for OIL SEARCH LTD Visit http://djnweurope.ar.wilink.com/?ticker=PG0008579883 or call +44 (0)208 391 6028 Order free Annual Report for Exxon Mobil Corporation Visit http://djnweurope.ar.wilink.com/?ticker=US30231G1022 or call +44 (0)208 391 6028 Subscribe to WSJ: http://online.wsj.com?mod=djnwires