本文介绍了美国太阳石油公司向空气制品公司购买氮气,与天然气混合,高压注入油田,保持了油层压力,使路易斯安娜州油田继续采油的期限从一年半延长至二十年。采用氮气是因为天然气短缺且价格上涨。注氮后采油量即回升。因此认为注氮采油是一种既快又省的办法。计划在油田建造两台氮气设备。 This article describes the purchase of nitrogen by Air Products from Air Products, mixed with natural gas, high pressure injection into the field, maintaining reservoir pressure and extending the duration of oil recovery in the Louisiana State oil field from one year and a half to twenty years. Nitrogen is used because gas is scarce and prices go up. Nitrogen recovery after oil recovery. Therefore, nitrogen injection is considered as a quick and economical solution. Plans to build two nitrogen facilities in the field.