Multiclient Seismic Data

9 Months Ended

Sep. 30, 2014

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

7. Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the nine months ended September 30, 2014 was as follows:

(Stated in millions)
Balance at December 31, 2013	$	667
Capitalized in period		212
Charged to expense		(128	)
Balance at September 30, 2014	$	751