Lightening,
What is your chief concern with XOM? They are making just 5% more per gallon of gas now than they were when gas was $1.20/gallon 5 years ago. We aren't getting screwed over by XOM, we live in an environment where other countries are willing to pay more for the available oil, and there is more demand for oil in general, and less supply.
If China/other nations are willing to pay $105/bbl, we have to be willing to pay at least that or they will get all the oil.