Houston The number of rigs exploring for oil and natural gas in the U.S. increased by two this week to 756.
Texas increased by six rigs, North Dakota was up three, Louisiana gained two and Utah one, Houston oilfield services company Baker Hughes Inc. said Friday.
Of those, 609 rigs sought oil and 146 explored for natural gas this week. One was listed as miscellaneous.
A year ago, 489 rigs were active.
Oklahoma declined by three, Pennsylvania and Wyoming each dropped two a
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