Oh really???
From the Hess corporate page......
The Company has operations in the United States, United Kingdom, Norway, Denmark, Russia, Equatorial Guinea, Algeria, Libya, Gabon, Egypt, Ghana, the Joint Development Area of Malaysia and Thailand, Indonesia, Thailand, Azerbaijan, Australia, Brazil and St. Lucia. We continue to increase reserves outside the mature regions of the United States and North Sea.
Ouch... there is an awful lot of not American there....