Quarterly report pursuant to Section 13 or 15(d)

Reclamation and Restoration Provisions (Tables)

v3.21.2
Reclamation and Restoration Provisions (Tables)
9 Months Ended
May 31, 2019
Reclamationand Restoration Provisions [Abstract]
Schedule of reclamation and restoration provisions
Oil Extraction Facility Site Restoration Total
Balance at August 31, 2017 $ 364,140 $ 208,080 $ 572,220
Accretion expense 7,283 4,161 11,444
Balance at August 31, 2018 371,423 212,241 583,664
Accretion expense 5,571 3,184 8,755
Balance at May 31, 2019 $ 376,994 $ 215,425 $ 592,419