North American oil and natural gas drillers will need to cut an additional 30 percent from their capital budgets to balance their spending with the cash coming in their doors even if crude rises to $40 a barrel, according to an analysis by IHS Inc. A group of 44 North American exploration and production companies are planning to spend $78 billion on capital projects this year, down from $101 billion last year. Those companies need to cut another $24 billion this year to get their spending in line with a historical 130 percent ratio of spending to cash flow, according to IHS. […]