Oklahoma benefited from a 24-5 advantage at the free throw line to earn the 11-point victory after leading by just three at halftime.
Oklahoma registered the first five points of the contest, three coming from the free throw line, before a senior guard Dynile Forbes up-and-under move got ULM on the board. Hooper then knocked down a triple as the Warhawks leveled the score at five, three-and-a-half minutes into the contest.
Back-to-back trifectas by junior forward Lawrence Gilbert and Hooper extended the ULM run to 11-0, giving the Warhawks a six-point advantage. After a triple by the Sooners, five-straight points by Forbes gave ULM an eight-point lead, 16-8, just past the midway point of the first half.
The Sooners went on a 6-0 run to cut the ULM lead to just two, 16-14, before senior forward Malcolm Thomas ended the Warhawks' drought with a layup with 5:13 to play before the half.
A 10-2 run by Oklahoma to end the first half gave the Sooners a 27-24 lead headed into the intermission.
Oklahoma's Willie Warren led all scorers at the half with 11 points; Forbes led the way for ULM with seven. The Sooners made 10-of-13 free throws in the opening 20 minutes to just 2-of-2 for the Warhawks.
ULM took its first lead of the second half, 39-38, with 14:11 to play on a basket by senior guard Jarvis Hill. But the Sooners followed that basket with a 9-0 run, the first six points of the burst coming from the free throw line, to take a 47-39 lead with 12 minutes remaining.
Oklahoma pushed its lead to 11, 55-44, with an 8-2 run, capped by free throws by Warren with just under nine minutes to play.
Down the stretch, ULM was unable to close the gap as Oklahoma had an answer for every basket made by the Warhawks, holding on for the 11-point victory.
Junior center Rudy Turner added 12 points and five rebounds for ULM; Forbes finished the contest with 11 points.
Warren led all scorers for Oklahoma with 24 points, Tony Crocker chipped in 13 for the Sooners.
ULM's two-game road trip concludes on Saturday (Nov. 21) as the Warhawks travel to Morehead State in Morehead, Ky. Game time against the Eagles is scheduled for 6:30 p.m., CT, and can be heard on KLIP, 105.3 FM.