We now have a situation where the safety rules have been improved and drilling is beginning again in that region.

WHITEHOUSE: Building a Clean Energy Economy

"The security situation has improved so dramatically, and the Iraqi security forces have improved so dramatically, that we are confident that if things continue to trend as they have been, our services will not be needed in Iraq come 2012, " Morrell said.

CNN: Iraq pact timeline calls for troops to leave by 2011, Pentagon says