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Explosives and Explosive Ordnance Disposal
containing
Kill
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Chinese
perforation in
kill
mud
泥浆压井射孔
普通泥浆压井射孔是一种正压射孔。它利用井筒中重泥浆压力防止井喷。由于泥浆压力大于地层压力,因而孔道中除含有弹片碎块外,还有泥浆块,这不利于原油流出。除此之外,泥浆压井射孔要消耗大量水泥,且完井周期长,完井费用高,孔道不畅通,影响出油量
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