WHEN it relinquished four old oilfields at Cepu, Pertamina might as well have given away the goose that laid the golden eggs. Those fields could have helped the state company increase domestic oil production, which currently stands at 500,000 barrels per dayfar below the target of 800,000 bpd. But instead of directly managing the oilfields, located on the border between East Java and Central Java, they were handed over to Geo Minergy Sungai Lilin