Meanwhile, the country’s overall oil production is expected to reach 5.3 million barrels a day by 2030, which is 1.1 million barrels per day lower than last year's expectations.
The stock closed 4.17% higher in London Tuesday after the miner revealed the discovery of two rare matching rubies from its Montepuez mine in Mozambique.
U.S., Canada, Germany, France, the UK, Japan, and Italy agreed to cut greenhouse gases by phasing out the use of fossil fuels by the end of the century.
The news comes after Indonesia’s last week decision to drop allegations that the miner had defrauded the state when buying the East Kalimantan coal project.
The country's radical Association of Mineworkers and Construction Union (Amcu) said it would begin a wildcat strike in the sector if its rival union and companies extend wage deal to its members.