In order to simplify operational procedure and reduce construction cost,the steam-urea-fleeing proof chemical agent tertiary steam stimulation pilot test was carried out by using urea as intensifier.

• 为了简化施工工艺、降低生产成本,利用尿素作为增效剂,开展了"蒸汽+尿素+高温防窜化学剂"三元复合蒸汽吞吐现场试验。