The number of rigs exploring for oil and natural gas in the U.S. increased by 29 this week to 975. Louisiana's count gained three rigs for the week to 61 and is up seven from a year ago. 

The U.S. exceeds the 741 rigs that were active this time a year ago. It bottomed out in May 2016 at 404.

Houston oilfield services company Baker Hughes reported Friday that 791 rigs drilled for oil this week and 184 for gas.

Among major oil- and gas-producing states, Texas increased by 14 rigs; North Dakota and Wyoming, four each; New Mexico, three; and Kansas and Oklahoma, one each.

Colorado decreased by one.

Alaska, Arkansas, California, Ohio, Pennsylvania, Utah and West Virginia were unchanged.