net acres calculationper the AIF on sedar-
W Septimus- 34,878 net acres
Septimus- 14,393 net acres
Tower- 34,570 net acres
Attachie- 37,785 net acres
Ground Birch- 132,060 net acres
Total net acres- March 2020 253,686 (typically 80 to 97% interest)
Feb 8 reserve reconciliation indicates that there was some disposition of reserves in 2020.
I doubt there has been a significant sale- it would have to be press released.
However, still in a great position. Groundbirch is one of 3 focus area for TOU.