| 井下套管阀阀芯设计与室内试验 |
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| 引用本文： | 胡东锋,刘贵喜,杨延增,李前春.井下套管阀阀芯设计与室内试验[J].石油矿场机械,2010,39(3):62-65. |
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| 作者姓名： | 胡东锋 刘贵喜 杨延增 李前春 |
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| 作者单位： | 川庆钻探工程有限公司,工程技术研究院,西安,710018 |
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| 摘 要： | 井下套管阀是全过程欠平衡钻井的核心工具之一,国内尚处于研究和试验阶段,尤其是对套管阀阀芯的研究尚未完全成熟。研制了一种井下套管阀的阀芯,取得了一定的技术突破。采用金属密封和弹性元件密封的复合密封结构,确保密封更为可靠;设置了双弹簧的复位机构,确保阀板复位成功;采用有限元方法对阀板的受力特征进行了分析,根据分析结果对阀芯样机进行了室内承压试验。试验结果表明:阀芯在低压高压条件下密封可靠,25 MPa时阀板强度满足要求。
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| 关 键 词： | 套管阀 阀芯 设计 有限元 试验 |
Design and Laboratory Test of Downhole Casing Shut-off Valve Core |
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| HU Dong-feng,LIU Gui-xi,YANG Yan-zeng,LI Qian-chun.Design and Laboratory Test of Downhole Casing Shut-off Valve Core[J].Oil Field Equipment,2010,39(3):62-65. |
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| Authors: | HU Dong-feng LIU Gui-xi YANG Yan-zeng LI Qian-chun |
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| Affiliation: | HU Dong-feng,LIU Gui-xi,YANG Yan-zeng,LI Qian-chun(Engineering Technology Research Institute,Sichuan-changqing Drilling Engineering Company Limited,Xi\'an 710018,China) |
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| Abstract: | The downhole casing shut-off valve(DCSV) is one of the key implements for the full process underbalanced drilling.At present,DCSV is still in studying and testing stage in China,and especially the research of DCSV core technology is not yet mature,thus,a kind of DCSV core was developed and a certain technology achievements was obtained.Its structure characteristics are: there is a constant sealing angle on the sealing surface,which can make the core have fine external pressure assisting sealing property;usi... |
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| Keywords: | casing shut-off valve core design the finite element method test |
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