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作 者:易永根[1] 申坤[1] 贺琦[1] 黄战卫[1] 师现云 折利军
机构地区:[1]中国石油长庆油田分公司第一采油厂,陕西延安716000
出 处:《石油化工应用》2014年第10期62-66,共5页Petrochemical Industry Application
摘 要:安塞油田三叠系油藏微裂缝具有明显的方向性,易造成注入水沿微裂缝快速推进,而使油井水淹,产能损失,影响区块开发效果。为封堵裂缝及高渗透层,扩大水驱波及体积,提高注水开发效果及水驱效率,近年来充分研究油田裂缝储层地质特征、剩余油分布规律,深入开展了裂缝型油藏注水井深部调剖体系研究与评价,确定了影响调剖效果的因素,对改善裂缝型油藏开发效果,保持油田持续稳产提供了有力的技术支撑。Triassic reservoirs in Ansai oilfield micro fractures has an obvious direction which could easily lead to rate of the injection in water along microcracks lastly,so it could make the oil flooding and loss of productivity,even impact the block of development results.For sealing cracks and high permeability layer, it improve waterflood development and waterflood efficiency on expanding water flooding swept volume.In recent years,it study on oilfield geo- logical characteristics in fractured reservoirs fully and the remaining oil distribution to carry out a system research and evaluation on fractured reservoir water depth profile control to de- termine the factors.Meanwhile it improved fractured reservoir development and provide a strong technical support to maintainthe productivity of oil stablely.
分 类 号:TE344[石油与天然气工程—油气田开发工程]
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