BusinessLatestTicker Mari Petroleum discovers oil, gas reserves in Mianwali By jasarat_admin - September 18, 2015, 8:23 PM 227 Share on Facebook Tweet on Twitter MIANWALI: Mari Petroleum Company has discovered oil and gas reserves in Karak block of Mianwali on Friday. The company said in a declaration that 3.3 million cubic feet gas and 160 barrel oil will be produced per-day from the site.