氮气泡沫冲砂洗井工艺在靖边气田的应用 关键词:气田;低压气井;氮气泡沫;冲砂洗井 [gap=1293]Key words:Jianbian gas field;low pressure gas wells;nitrogen foam;sand-washing
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高压低渗气井 High-pressure and low-permeability gas well
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