The platform's operator, Shengli Oilfield, a subsidiary of Sinopec China said in a statement that the valve on the oil rig has been closed and there is no risk of an oil spill.
The Shengli Oilfield No. 3 drilling platform leaned over 45 degrees when Typhoon Malou struck the bay last evening.
Four people fell into the sea while 32 were trapped on the platform. Thirty four people, including two who fell into the sea, had been rescued.
Rescuers were still searching for the other two who fell into the sea. The rescued workers are in stable conditions, the Xinhua qutoed the statement as saying.
Shandong Marine Search and Rescue Center immediately sent rescue teams to the platform.
The Ministry of Transport has organised teams from Tianjin Marine Search and Rescue Center to help with the rescue.
At least six vessels and two helicopters were participating in the rescue operation. The platform is located five nautical miles from the coast and is in waters seven meters deep.
Strong winds have prevented rescue boats from docking at the platform, Zhai Jiugang, an official with the China Marine Search and Rescue Centre said.
Published 08 September 2010, 06:11 IST