The number of rigs actively exploring for or producing oil and natural gas in North Dakota is up 10 percent from last week, state data show. State data shows 32 rigs actively exploring for or producing oil and gas as of Monday, an increase of 10 percent from last week . The move in North Dakota mirrors developments elsewhere in the United States, where relative stability in crude oil prices, since a collapse below $30 in early 2016, is building confidence in the industry. Data from Baker Hughes show the number of active rigs for the week ending July 22 increased for the fourth straight week. Crude oil prices moved lower last week […]