| 稠油热采井补砂工艺技术的研究与应用 |
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| 引用本文： | 杜丙国. 稠油热采井补砂工艺技术的研究与应用[J]. 特种油气藏, 2010, 17(1): 118-120 |
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| 作者姓名： | 杜丙国 |
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| 作者单位： | 中国石油大学,山东,东营,257061;中石化胜利油田分公司,山东,东营,257051 |
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| 基金项目： | 胜利油田科技攻关项目"稠油油藏蒸汽吞吐井长效防砂技术研究" |
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| 摘 要： | 针对胜利油田稠油热采井开发实际,根据稠油热采井补砂技术的基本原理,分析了防砂后期存在的问题,提出在原防砂管柱的基础上对地层及筛套环空应用补砂技术。补砂后形成高效挡砂屏障,弥补了地层亏空,提高了近井地带的渗透率,避免了捞出防砂管柱再次进行防砂的繁杂工序;同时挤入地层的大量砾石在弥补地层亏空的同时,也缓解了地层能量的损失,减少了套管受到的轴向压力,间接保护了套管不受损伤。该项技术通过在400余口热采防砂井上应用,取得了显著的效果,具有良好的推广应用价值。
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| 关 键 词： | 稠油热采 补砂技术 应用效果 胜利油田 |
Study and application of sand injection technology for heavy oil thermal recovery wells |
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| DU Bing-guo. Study and application of sand injection technology for heavy oil thermal recovery wells[J]. Special Oil & Gas Reservoirs, 2010, 17(1): 118-120 |
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| Authors: | DU Bing-guo |
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| Affiliation: | DU Bing-guo1,2(1. China University of Petroleum,Dongying,Sh,ong 257061,China,2. Shengli Oilfield Company,SINOPEC,Sh,ong 257051,China) |
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| Abstract: | Sand injection technology can be applied to reservoir and screen-casing annulus with the original sand control string in accordance with the practical problems of heavy oil thermal recovery wells in Shengli oilfield. An efficient sand-blocking shield can be formed after sand injection to replace reservoir voidage, improve permeability in the immediate vicinity of wellbore, and avoid the complicated process of performing sand control again after tripping out the sand control string; at the meantime of compen... |
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| Keywords: | heavy oil thermal recovery sand injection technology application result Shengli oilfield |
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