An oil drilling rig is seen near Ray, N.D., last September. The well is being drilled into the Bakken Formation, one of the largest contiguous deposits of oil and natural gas in the United States. Karen Bleier/AFP/Getty Images hide caption itoggle caption Karen Bleier/AFP/Getty Images The Two-Way Tracking Oil And Gas Rigs In The U.S. (Yes, There's An App) April 1, 2011 Can you guess the number of rigs that are now actively looking for oil and natural gas in the United States? It now stands at 1,776 — one of America's favorite numbers. The figure reflects a rise of 38 rigs in the past week, and a gain of 311 over the same week one year ago.