Business News Archive - September 13, 2007

By Kaiser, Mark J ESTIMATING DRILLING COSTS-2 Using indices to describe and compare drilling complexity and analyzing the efficiency of the energy applied to formations while drilling can improve performance.

David Hanson has two little Zenos to care for these days. There's his 18-month-old son Zeno, who prattles and smiles as he bounds through his father's cramped office. Then there's the robotic Zeno.