| 松南深层火成岩储层的损害分析与保护技术 |
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| 引用本文： | 王文立.松南深层火成岩储层的损害分析与保护技术[J].探矿工程,2010,37(5):5-9. |
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| 作者姓名： | 王文立 |
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| 作者单位： | 中国石化石油工程技术研究院,北京100101 |
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| 基金项目： | 中国石化科技部项目“松辽盆地南部断陷层勘探目标与技术研究（P06020）”部分研究成果 |
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| 摘 要： | 松南火成岩的储层特征中石英发育裂隙,发育构造微裂缝,由于天然气气层存在易于移动、易被压缩,且存在束缚水含量高、低压敏感性强、高毛管力等特点,导致气层更容易受到损害,从钻井取心、测井解释和有关的地质描述看,深层储气层普遍存在着裂隙。在对松南深层储层物性的认识以及实施常规钻井技术下储层潜在损害方式、损害程度研究的基础上,研究分析了钻井、完井等各个阶段保护技术的作用原理,制定了针对性的储层保护方案。研究实践表明,同时采用欠平衡钻井工艺,实施屏蔽暂堵的承压堵漏方案,采用优质非渗透钻井液完井液体系,改善侵入储层滤液性质,基本满足深层勘探钻井完井过程中保护储层的技术需求。现场应用表明,各项储层保护措施的实施在保护储层、地质资料需求和勘探发现等方面取得了良好的效果。
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| 关 键 词： | 松南火成岩 损害分析 储层保护 裂缝 承压堵漏 欠平衡钻井 低伤害钻井液 完井 |
| 收稿时间： | 2010/3/18 0:00:00 |
| 修稿时间： | 2010/3/18 0:00:00 |
Analysis on the Deep Igneous Reservoir Damage in Songnan and the Protection Technology |
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| WANG Wen-li.Analysis on the Deep Igneous Reservoir Damage in Songnan and the Protection Technology[J].Exploration Engineering(Drilling & Tunneling),2010,37(5):5-9. |
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| Authors: | WANG Wen-li |
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| Institution: | WANG Wen-li(Sinopec Research Institute of Petroleum Engineering,Beijing 100101,China) |
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| Abstract: | Based on the knowledge for deep reservoir physical property in Songnan and the potential damage pattern degree with conventional drilling technology,analysis was made on action principles of protection technologies of well drilling and completion in each stage and the corresponding reservoir protection schemes were made.Research practices show that the technology requirement of reservoir protection are satisfied in well drilling and completion through the pressure sealing with temporary shielding plugging by underbalanced drilling and the improvement on the property of filtrate invaded reservoir with high quality non-invasive drilling fluid and completion fluid system. |
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| Keywords: | Songnan igneous damage analysis reservoir protection fracture pressure sealing underbalanced drilling low damage drilling fluid well completion |
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