| 双层结构协同增效保护油气层技术及其室内实验评价 |
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| 引用本文： | 吕开河,韩立国,刘玉霞,任冠龙,乔伟刚,陈亚男.双层结构协同增效保护油气层技术及其室内实验评价[J].中国海上油气,2012,24(4):53-56. |
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| 作者姓名： | 吕开河 韩立国 刘玉霞 任冠龙 乔伟刚 陈亚男 |
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| 作者单位： | 1. 中国石油大学(华东)石油工程学院
2. 胜利石油管理局塔里木油田第六勘探公司 |
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| 基金项目： | 国家科技重大专项，％％ |
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| 摘 要： | 针对屏蔽暂堵保护油气层技术存在的问题,提出了双层结构协同增效保护油气层技术,即通过镶嵌屏蔽剂与膜屏蔽剂复配使用,在封堵较大孔隙或微裂缝基础上形成有效聚合物胶束屏蔽膜,从而有效降低钻井液侵入地层。室内实验评价表明:镶嵌屏蔽剂与膜屏蔽剂的复配使用可产生较好的协同增效保护油气层作用,对钻井液流变性影响不大,具有降滤失作用明显、渗透率封堵率高、封堵强度大、易返排等特点。
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| 关 键 词： | 油气层保护技术 双层结构协同增效 镶嵌屏蔽 膜屏蔽 复配 实验评价 |
The reservoir protection technology with synergy of double-layer structure and its laboratory evaluation |
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| Lü Kaihe
,
Han Liguo
,
Liu Yuxia
,
Ren Guanlong
,
Qiao Weigang
,
Chen Ya' nan.The reservoir protection technology with synergy of double-layer structure and its laboratory evaluation[J].China Offshore Oil and Gas,2012,24(4):53-56. |
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| Authors: | Lü Kaihe Han Liguo Liu Yuxia Ren Guanlong Qiao Weigang Chen Ya' nan |
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| Affiliation: | Lü Kaihe1 Han Liguo2 Liu Yuxia1 Ren Guanlong1 Qiao Weigang1 Chen Ya’nan1(1.College of Petroleum Engineering,China University of Petroleum,Shandong,266580;2.Tarim Oil field NO.6 Exploration Company of Shengli Petroleum Administration Bureau,Xinjiang,841000) |
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| Abstract: | Aiming at the problems of temporary plugging reservoir protection technology,we propose the reservoir protecting technology with synergy of double-layer structure,which compounds the embedding shielding agent and membrane shielding agent to form the effective shielding membrane on the surface of the wall with a unidirectional plugging effect for large pores and cracks,so that to minimize the drill fluid invasion.The results of laboratory evaluation show that the combination of the two agents can generate better synergy for protecting reservoir with little impact on the fluid rheological property,and is characterized by obvious fluid loss control ability,high plugging ability and strength,easy flow back and so on. |
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| Keywords: | reservoir protection technology synergy of double-layer structure embedding shielding membrane shielding compound laboratory evaluation |
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