Field DevelopmentSantos and Repsol approve US$2.6 billion Alaskan oil investmentPikka phase one to produce 80,000 barrels per day from 2026Appraisal drilling: the project in the Alaska North Slope in the US will make use of the area’s existing infrastructure.Photo: SANTOSRussell SearanckeAmanda BattersbyWellington/London