December 28, 1988 (20 Boshin the winter months), Shengli Oilfield discovered a hundred million tons of new oil fields.

1988 12 28, Shengli Oilfield billion tons in reserves on a large oil field. Oilfield Battle Command named it as was the island oilfields.
was Island oil field is located in the shallow waters of the Yellow River estuary north shore of the Bohai Sea, the geological experts repeatedly argued, geological oil reserves of 100 million tons. the Oilfield
was found a large oil field in the shallow waters of China, it marks the shallow sea oil exploration in China achieved a major breakthrough. (L $ dj��.��r��)