Multiclient Seismic Data

3 Months Ended

Mar. 31, 2014

Multiclient Seismic Data

6. Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2014 was as follows:

(Stated in millions)
Balance at December 31, 2013	$	667
Capitalized in period		82
Charged to expense		(53	)
Balance at March 31, 2014	$	696