Property and Equipment

12 Months Ended

Dec. 31, 2023

Property and Equipment

Property and Equipment

4.           Property and Equipment

Property and equipment, together with the related estimated useful lives at December 31, 2023 and 2022, were as follows (in thousands):

	December 31,
	2023		2022 (as adjusted)		Useful Lives
Land, building and other	$	13,476	$	13,440		3 to 40 years
Recording equipment		140,156		154,132		5 to 10 years
Vibrator energy sources		64,690		64,110		5 to 15 years
Vehicles		23,633		22,997		1.5 to 10 years
		241,955		254,679
Less accumulated depreciation		(225,447)		(234,211)
Property and equipment, net	$	16,508	$	20,468