"Looking forward, we see activity increasing around the world - from the smallest to the largest countries and producers," Halliburton Chief Executive Jeff Miller said in a statement. In North America, he said demand for services is "stronger than I have ever seen at this point in the year." Halliburton said revenue from North America jumped 9% from the second quarter to $2.6 billion. "Halliburton continues to benefit from momentum in activity/exposure to pressure pumping in North America, along with higher contribution from international operations," wrote analysts for investment banking firm Jefferies in a note. Market leader Schlumberger (SLB.N) reported its strongest quarterly profit since 2015, while Baker Hughes Co (BKR.O) posted an adjusted third-quarter profit that topped Wall Street estimates.

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