| 普通稠油油藏二次热采开发模式综述 |
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| 引用本文： | 刘文章. 普通稠油油藏二次热采开发模式综述[J]. 特种油气藏, 1998, 5(2): 1-7 |
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| 作者姓名： | 刘文章 |
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| 作者单位： | 刘文章（中国石油天然气总公司石油勘探开发科学研究院 北京 100083） |
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| 摘 要： | 根据国内多数稠油油藏或区块已进入蒸汽吞吐开采中后期，产量递减加快，经济效益下降的紧迫局面，提出了二次热采模式。目的提高原油采收率，挖掘石油资源潜力。结果只要油藏地质条件适宜于蒸汽驱采油，而且有成熟配套的工艺技术，就应适时地将蒸汽吞吐开采转入蒸汽驱开采；对于不适宜进行有效汽驱的油藏，应采用注热水或其它二次热采模式。结论不论何种稠油油藏，在蒸汽吞吐中后期，都应研究、采用二次热采模式，建立二次热采概念，以此找到依靠注入热能及驱替能采出更多的原油途径，稳定稠油产量，提高经济效益。
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| 关 键 词： | 稠油热采 二次热采模式 综述 |
| 收稿时间： | 2008-01-31 |
Summary of secondary thermal recovery for cowventional heavy oil reservoir. |
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| Liu Wenzhang. Summary of secondary thermal recovery for cowventional heavy oil reservoir.[J]. Special Oil & Gas Reservoirs, 1998, 5(2): 1-7 |
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| Authors: | Liu Wenzhang |
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| Abstract: | MethodIn view of the fact that most heavy oil reservoirs or blocks in China are facing the mid and later periocl of steam soaking with rapid decline of production and economic benefit, secondary thermal recovery mode is raised. PurposeTo improve oil recovery factor and to develop the potential of hydrocarbon resources. ResultAs long as the reservoir geological condition is suitable for steam flooding with evailability of matured and relevant recovery techniques, steam soaking should be converted to steam flooding at the right moment. This has been proved both at home and abroad by a lot of researches and practices to be the best and main secondary thermal recovery. For those that are not suitable for offective steam flooding, hot water or other secondary thermal recovery mode should be considered. ConclusionHeary oil reservoir, no matter what category it falls into, should consider conducting secondary thermal recovery mode at middle and later stage of steam soaking performance and estabcishing the concept of secondary thermal recovery in order to find ways to produce more oil, stabilize heavy oil production and improve the economic benefit through heat introduction to the reservoir. |
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| Keywords: | heavy oil thermal recovery secondary thermal recovery mode summary |
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