The Indonesian government will float a tender offering 21 oil and gas blocks in the eastern part of the country in the first round of oil and gas tenders for the current year. For the first time, the tenders will include two shale gas blocks as well. The conventional oil and gas blocks that will be put up for bidding include the Sumba Sawu and East Seringapatam blocks off Sumba Island in East Nusa Tenggara; the East Abadi, West Abadi, and Yamdena blocks off South Maluku Island; the Palmerah Baru block, located onshore at Jambi, South Sumatra; the Sakti block, off the north coast of Central Java and East Java; the North Madura II and North East Madura VI blocks, off the north coast of Madura Island; the Anugerah block, off the East Java coast; the East Bontang block, on and off the shore of Kalimantan; the North Adang, South Sulawesi I, Sulawesi II, Southeast Sulawesi I, and Southeast Sulawesi II blocks, all located off Sulawesi; along with the South Aru and the Meruake blocks in West Papua. The two shale gas blocks are the Barumun block in North Sumatra and Riau and the West Tanjung block in Central Kalimantan. The blocks are expected to add 3.1 billion barrels of crude oil production and 57.6 trillion cubic feet of oil production. The tenders are expected to be floated by mid-June 2013.