This oil is what I learned our involvement in South Vietnam actually was about. People didn’t talk much about that.
Suggest researching the Straits of Molocca.
Choke Points. Related:
http://www.deepgreencrystals.com/images/GlobalOilChokePoints.pdf
http://www.wright.edu/~tdung/Oil_choke_points_WSJ.pdf
http://www.businessinsider.com/oil-chokepoints-suez-canal-2011-1#1-the-strait-of-hormuz-1
If China attacks India at sea they might find that tankers have a hard time traversing the Indian Ocean.
IMHO, China is more vulnerable than India. Note that China is creating enemies by bullying all of the small neighboring countries. That will not turn out to be wise.