Reserve Jillian Roberts led Tulsa (3-3), which lost its third straight game, with 12 points.
Bass missed her first shot from the field, then hit five straight as Duke closed the first half with a 24-7 run. Bass had 13 points and Beard 12 to help Duke build a 44-15 lead at the break.
Duke outscored Tulsa 22-6 in the first 9_ minutes of the second half.
Bass shot 7-for-8 from the field and 7-for-11 at the line to match her career best for points.
Duke outrebounded Tulsa 53-31.