Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations (Tables)

v3.22.0.1
Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Change in Asset Retirement Obligation [Table Text Block]

The following table is a reconciliation of our ARO (in thousands):

Year Ended December 31, 

    

2021

    

2020

Asset retirement obligations, beginning of period

$

392,704

$

355,594

Liabilities settled

 

(27,309)

 

(3,339)

Accretion of discount

 

22,925

 

22,521

Liabilities incurred and assumed through acquisition

 

454

 

4,860

Revisions of estimated liabilities (1)

 

35,721

 

13,068

Asset retirement obligations, end of period

424,495

392,704

Less current portion

 

(56,419)

 

(17,188)

Long-term

$

368,076

$

375,516

(1) Revisions in 2021 and 2020 were due to changes in scope, weather impact, revisions to actual expenses versus estimates and revisions related to non-operated properties.