National Oil Company of Liberia (Nocal) has signed a multi-year well data management agreement with Core Laboratories Sales BV in an attempt to revive its offshore oil and gas exploration efforts. Speaking at the 1 August signing ceremony, Nocal chief executive Saifuah-Mai Gray said the agreement signalled a new era for the sector, which had been dormant for the past three years. “A key mandate of the Nocal Act involves the management of data which represents a major income stream for Nocal.