U.S. energy firms deepened their cuts in oil drilling rigs in the seventh week of declines to the lowest levels since March 2010, data showed on Friday, as they continue to cut spending due to the collapse in crude prices. Drillers removed 31 oil rigs in the week ended Feb. 5, the biggest cut since April last year, bringing the total rig count down to 467, oil services company Baker Hughes Inc said in its closely followed report. That compares with 1,140 oil rigs operating in same week a year ago. In 2015, drillers cut on average 18 rigs per week for a total of 963 oil rigs for the year, the biggest annual decline since at least 1988. Before this week, drillers have cut on average 10 rigs per week so far this year. The deepest cuts this week were seen in the most active state, Texas, where […]