If China is going to go to the length of invading Burma or Thailand to get at the gas assets of Unocal out of necessity brought on by a war, I doubt that the minor point of who owns the assets will matter to them.
They can begin routing Oil away from their enemies (U.S.), Taiwan, Japan, and to themselves without a war.
In the event of a war, C-3 is already in place.
C'mon.