Schlumberger Ltd. , -0.17% shares fell 1.2% Friday in premarket trade after the oil driller announced a second-quarter profit which exceeded expectations, but revenue that was a little short. The net income increased to $1.03billion, or 72c per share, from $959m, or 67c per share, during the previous period. The adjusted earnings per share, which excludes nonrecurring items and was 72 cents, exceeded the FactSet consensus estimate of 71 cents. The revenue grew by 19.6%, to $8.999 billion. However, it missed the FactSet consensus estimate of $8.204. This was due to growth of at least 20% in international markets and a 14% increase in North America. Olivier Le Peuch, Chief Executive Officer of the company, said that “we continue to see a positive upstream investment trend in international and offshore markets.” These markets are driven by long-cycle offshore development, production capacity expansions and global exploration and appraisal.