(EnergyAsia, May 3) — Chinese upstream company CNOOC Limited said its first quarter oil and gas revenue jumped 48.1% to RMB11.42 billion (US$1.38 billion). It did not disclose its net profit performance. The company’s total net daily production rose 13.4% to 411, 424 barrels of oil equivalent (BOE), including a 19% year-on-year increase in net…