Indian state refiners Indian Oil Corp NSE:IOC and Hindustan Petroleum Corp NSE:HINDPETRO have together purchased about 8 million barrels of crude oil through tenders last week, trade sources said on Monday.

Prices for the deals were not immediately available.

IOC bought about 1 million barrels of Angola's Kissanje crude from Cathay Petroleum, the sources said. It also purchased 2 million barrels of Nigeria's Agbami and Usan crude from Trafigura, and a further 2 million barrels of Angola's Nemba and Dalia crude from Chevron.

The cargoes are scheduled for delivery between late August and early September.

Separately, HPCL bought 2 million barrels of Brazil's Tupi crude, the sources said.

One of the sources said HPCL also bought 1 million barrels of Kazakhstan's CPC oil via the tender. The cargoes are scheduled for delivery in August and September.

The companies typically do not comment on their commercial sales.