Multiclient Seismic Data

3 Months Ended

Mar. 31, 2019

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

5.   Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2019 was as follows:

(Stated in millions)
Balance at December 31, 2018	$	601
Capitalized in period		45
Charged to expense		(62	)
Balance at March 31, 2019	$	584