Expanded Oil Drilling Helps U.S.Wean Itself From Mideast

HOUSTON—America will halve its reliance on Middle East oil by the end of this decade and could end it completely by 2035 due to declining demand and the rapid growth of new petroleum sources in the Western Hemisphere, energy analysts now anticipate.

The shift, a result of technological advances that are unlocking new sources of oil in shale-rock formations, oil sands and deep beneath the ocean floor, carries profound consequences for the U.S. economy and energy security. A good portion of this surprising bounty comes from the widespread use of hydraulic fracturing, or fracking, a technique perfected during the last ...

Copyright 2012 Dow Jones & Company, Inc. All Rights Reserved

This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit

www.djreprints.com

Available to WSJ.com Subscribers