Schlumberger N.V. revenue for the last year amounted to 33.13 B USD, the most of which — 13.48 B USD — came from its highest performing source at the moment, Well Construction, the year earlier bringing 11.40 B USD. The greatest contribution to the revenue figure was made by Middle East & Asia — last year it brought Schlumberger N.V. 11.02 B USD, and the year before that — 9.03 B USD.