| 球悬挂取心技术 |
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| 引用本文： | 许俊良,薄万顺,蒋庆祥.球悬挂取心技术[J].石油钻采工艺,2005,27(4):85-86. |
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| 作者姓名： | 许俊良 薄万顺 蒋庆祥 |
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| 作者单位： | 1.胜利石油管理局钻井工艺研究院, 山东东营 257017 |
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| 基金项目： | 中石化股份公司项目“疏松及破碎地层取心技术研究”（编号JP04011）部分内容. |
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| 摘 要： | 常规松软地层取心时,取心工具采用销钉悬挂内岩心筒,在工具入井时经常出现失效。研制了取心工具的悬挂新结构——球悬挂。该结构内筒的重量不直接作用在销钉上,而是作用在钢球上。钢球的承载能力大,可以避免提前释放内筒组合,防止取心作业失败。简要阐述了该工具的结构和室内及现场试验情况,通过各项试验证实工具结构可行,并提出工具的今后发展方向。
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| 关 键 词： | 胜利油田 球悬挂 结构 取心 新技术 |
| 文章编号： | 1000-7393（2005）03-0085-02 |
| 收稿时间： | 2005-04-25 |
| 修稿时间： | 2005-04-25 |
BALL HANGING CORING TECHNOLOGY |
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| Xu Junliang,Bo Wanshun,Jiang Qingxiang.BALL HANGING CORING TECHNOLOGY[J].Oil Drilling & Production Technology,2005,27(4):85-86. |
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| Authors: | Xu Junliang Bo Wanshun Jiang Qingxiang |
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| Affiliation: | 1.Drilling Technology Research of Sheli Petroleum Administration Bureau, Dongying 257017, Shandong |
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| Abstract: | Coring at weak formation usually uses pin hang in g coring barrel, but when put it down to hole, it is constantly lose effective. Developed a new hanging structure of coring-ball hanging, the weight of its inne r barrel act on ball rather than pin. The carry capacity of ball is well and can avoid release inner barrel in advance, enhanced success rat of coring. At the s ame time, the structure and its experiments of this coring tools are also introd uced. The testing of this tool have confirmed it is useful for coring. |
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| Keywords: | Shengli Oilfield structure coring new techno logy |
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