Annual report [Section 13 and 15(d), not S-K Item 405]

ASSET RETIREMENT OBLIGATIONS

v3.26.1
ASSET RETIREMENT OBLIGATIONS
12 Months Ended
Dec. 31, 2025
ASSET RETIREMENT OBLIGATIONS  
ASSET RETIREMENT OBLIGATIONS

NOTE 3 ASSET RETIREMENT OBLIGATIONS

The changes in ARO were as follows (in thousands):

Year Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

Asset retirement obligations, beginning of period

$

548,832

$

498,815

Liabilities settled

 

(36,765)

 

(39,692)

Accretion expense

 

33,381

 

32,374

Liabilities acquired

 

 

17,647

Disposition of oil and natural gas properties

(1,469)

Liabilities incurred

1,175

Revisions of estimated liabilities (1)

 

16,697

 

39,688

Asset retirement obligations, end of period

561,851

548,832

Less: Current portion

 

(26,147)

 

(46,326)

Long-term

$

535,704

$

502,506

(1) The revisions of estimated liabilities are related to changes in the estimated timing, scopes of work and costs.