The best chance of the half was saved for the final minute, but Anelka saw his shot from a tight anglewell saved by James and Ashley Cole's effort from the rebound was ballooned well over.
Soon after Charles N'Zogbia weaved his way past three United defenders before firing straight at Edwin Van der Sar who did well to close the angle at the feet of the Wigan man.
Tim Probert, president of global business lines, says that horizontal drilling, a process in which a well is drilled down vertically and then angled around a curve to reach reservoirs from a horizontal angle that increases the well's exposure, is now 55% of Halliburton's total activity.