The Abu Dhabi National Oil Company (ADNOC) is launching Abu Dhabi’s second competitive bid round for oil and gas exploration of conventional and unconventional resources, the state oil firm said on Wednesday. ADNOC and Abu Dhabi are opening for bidding five new blocks, including three offshore and two onshore blocks, with one of the onshore blocks offering two separate licensing opportunities for conventional and unconventional oil and gas, respectively. “Based on existing data from detailed petroleum system studies, seismic surveys,…