China's Sinopec Group, Asia's largest oil refiner, said on Thursday it agreed to sell a stake of 30 percent in an oil and gas block in Myanmar to Taiwan's CPC Corp, one of a series of deals between state-owned energy giants and the Taiwan firm.

Sinopec, the parent of Hong Kong-listed Sinopec Corp, gave no financial details of the transaction of block D, which is awaiting approval from regulators, nor did it give any estimate of the reserves.

The block, over which Sinopec acquired full exploration rights in 2004 from Myanmar Oil and Gas Enterprise, sprawls over 12,000 sq. km near Myanmar's second-largest city of Mandalay.

There have been three oil and gas discoveries at the six exploration wells drilled in the onshore block, CPC said on its website.

Last month, CNPC, the parent of PetroChi

na, entered a joint exploration pact with CPC to hunt for oil in Niger, as well as a long-term crude supply deal.

State-run CNOOC, parent of offshore oil and gas specialist CNOOC Ltd, also agreed last month to supply the Taiwanese firm liquefied natural gas.

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