| 控压钻井系统特性分析与关键工艺实现方法 |
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| 引用本文： | 杨雄文,周英操,方世良,纪荣艺,刘伟. 控压钻井系统特性分析与关键工艺实现方法[J]. 石油机械, 2011, 0(10): 39-44,196 |
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| 作者姓名： | 杨雄文 周英操 方世良 纪荣艺 刘伟 |
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| 作者单位： | 中国石油集团钻井工程技术研究院; |
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| 基金项目： | 国家科技重大专项“窄密度窗口安全钻完井技术及装备”(2008ZX05021-003) |
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| 摘 要： | 在系统总结和对比分析国外控压钻井装备特点和技术特征后,重点介绍了国内首台PCDS-I精细控压钻井系统研制进展,阐述了装备结构组成和功能特点,同时开发了一套控压钻井钻进、接单根、重浆压井和起下钻等控压关键工艺实现方法。现场应用表明,该工艺方法动态压力控制精度高,钻进过程系统回压控制精度达到0.2 MPa,接单根、起下钻过程系统回压控制精度达到0.5 MPa,能满足现场控压作业要求。
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| 关 键 词： | 控压钻井 特性 压力控制 工艺 |
The characteristic analysis of the managed pressure drilling system and its key technologies |
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| Yang Xiongwen,Zhou Yingcao,Fang Shiliang,et al.. The characteristic analysis of the managed pressure drilling system and its key technologies[J]. China Petroleum Machinery, 2011, 0(10): 39-44,196 |
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| Authors: | Yang Xiongwen Zhou Yingcao Fang Shiliang et al. |
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| Affiliation: | Yang Xiongwen( CNPC Drilling Research Institute,Beijing),Zhou Yingcao,Fang Shiliang,et al. |
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| Abstract: | After a systematic summary and comparative analysis of the features and technological properties of foreign managed pressure drilling equipment, the paper focused on the introduction of the research progress of the first PCDS-I fine managed pressure drilling system in China. The structural component parts and functional features of the system were expounded. The method to achieve the key pressure control technologies, such as managed pressure drilling, making a connection, killing a well with heavy mud and ... |
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| Keywords: | pressure-control drilling characteristic pressure control technology |
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