Quarterly report [Sections 13 or 15(d)]

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.26.1
ASSET RETIREMENT OBLIGATIONS (Tables)
3 Months Ended
Mar. 31, 2026
ASSET RETIREMENT OBLIGATIONS  
Schedule of Changes in Asset Retirement Obligations A summary of the changes to ARO is as follows (in thousands):

Three Months Ended March 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

Asset retirement obligations, beginning of period

$

561,851

$

548,832

Liabilities settled

 

(17,166)

 

(3,771)

Accretion expense

 

8,517

 

8,392

Liabilities incurred

1,029

Revisions of estimated liabilities

 

12,837

 

7,369

Asset retirement obligations, end of period

566,039

561,851

Less: Current portion

 

(25,471)

 

(29,098)

Long-term

$

540,568

$

532,753