The top 19 schools with ABET accredited petroleum engineering, listed alphabetically:
Colorado School of Mines
Louisiana State University and A&M College
Marietta College
Missouri University of Science and Technology
Montana Tech of the University of Montana
New Mexico Institute of Mining and Technology
Pennsylvania State University
Texas A&M University
Texas Tech University
The University of Kansas
The University of Tulsa
University of Alaska Fairbanks
University of Houston
University of Louisiana at Lafayette
University of Oklahoma
University of Texas at Austin
University of Texas of the Permian Basin
University of Wyoming
West Virginia University
There may be a few others in the process of seeking ABET accreditation.