Laue, Mike L. Economic Recovery of Oil Trapped at Fan Margins Using High Angle Wells and Multiple Hydraulic Fractures, report, May 30, 1997; (https://digital.library.unt.edu/ark:/67531/metadc669480/m1/1/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .