WesternGeco received a revenue boost in the third quarter from added seismic vessel work in the North Sea, providing a bright spot amid declining earnings at Schlumberger.

The New York-listed company also said its WesternGeco subsidiary scored a contract with Statoil 4D monitoring survey for the Gulfaks oilfield in the Norwegian waters of the North Sea.

And it said Lundin Norway signed up for a similar survey for the Edvard Grieg field.

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