Multiclient Seismic Data

3 Months Ended

Mar. 31, 2016

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

6.   Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2016 was as follows:

(Stated in millions)
Balance at December 31, 2015	$	1,026
Capitalized in period		167
Charged to expense		(85	)
Balance at March 31, 2016	$	1,108