Multiclient Seismic Data

3 Months Ended

Mar. 31, 2017

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

7.   Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2017 was as follows:

(Stated in millions)
Balance at December 31, 2016	$	1,073
Capitalized in period		116
Charged to expense		(100	)
Balance at March 31, 2017	$	1,089