| 国产精细控压钻井系统在蓬莱9井试验与效果分析 |
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| 引用本文： | 周英操,杨雄文,方世良,赵庆,肖润德,唐贵.国产精细控压钻井系统在蓬莱9井试验与效果分析[J].石油钻采工艺,2011,33(6):19-22. |
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| 作者姓名： | 周英操 杨雄文 方世良 赵庆 肖润德 唐贵 |
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| 作者单位： | 1.中国石油集团钻井工程技术研究院，北京 100195 |
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| 基金项目： | 国家科技重大专项“窄密度窗口钻完井技术与装备”(编号:2008ZX05021-03)的部分内容 |
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| 摘 要： | 精细控压钻井是解决窄密度窗口安全钻井问题的新技术之一，其目的是精确控制环空压力剖面，实现井底压力的恒定控制。介绍了自主研发的PCDS-I精细控压钻井系统装备特点、现场试验与应用情况。该系统整体运行稳定、无故障，经受住了现场工况的考验，实现了恒定井底压力控制和微流量控制，钻进过程中，系统回压控制精度达到0.2 MPa，接单根、起下钻过程中，系统回压控制精度达到0.5 MPa。
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| 关 键 词： | 精细控压 窄窗口 溢漏控制 自动节流控制 欠平衡 |
| 收稿时间： | 2019-05-17 |
Field test and analysis on effect of auto-controlled pressure drilling system in the well Penglai 9 |
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| ZHOU Yingcao,YANG Xiongwen,FANG Shiliang,ZHAO Qing,XIAO Runde,TANG Gui.Field test and analysis on effect of auto-controlled pressure drilling system in the well Penglai 9[J].Oil Drilling & Production Technology,2011,33(6):19-22. |
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| Authors: | ZHOU Yingcao YANG Xiongwen FANG Shiliang ZHAO Qing XIAO Runde TANG Gui |
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| Affiliation: | 1.CNPC Drilling Research Institute, Beijing 100195, China2.CNPC Chuanqing Drilling Company, Guanghan 618300,China |
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| Abstract: | MPD is a new technology that to resolve the drilling problem of narrow mud weight window,the aim is to precisely control the annulus pressure profile,to achieve a constant bottom-hole pressure.This article describes the development of the PCDS-I Auto-controlled pressure drilling system,equipped with sophisticated features,field tests and application.The overall stable operation,without failure, has withstood the test of site conditions,to achieve a constant well base pressure control,and micro-flow control,... |
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| Keywords: | MPD narrow mud weight window influx or loss control auto-choke control unbalanced drilling |
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