Decommissioning Liabilities

6 Months Ended

Jun. 30, 2024

Asset Retirement Obligation Disclosure [Abstract]

Decommissioning Liability

(4) Decommissioning Liability

The following table summarizes our net decommissioning liability:

	June 30, 2024			December 31, 2023
Wells	$	98,959		$	96,603
Platform		75,810			73,680
Total decommissioning liability		174,769			170,283
Note receivable		(71,443	)		(69,005	)
Total decommissioning liability, net of note receivable	$	103,326		$	101,278

The following table presents accretion expense (in millions):

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2024		2023		2024		2023
Accretion expense	$	2.6	$	2.4	$	5.1	$	4.7