| 井径测量精度影响因子分析 |
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| 引用本文： | 龚子华 周志毅 覃军. 井径测量精度影响因子分析[J]. 石油仪器, 2005, 19(5): 39-41 |
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| 作者姓名： | 龚子华 周志毅 覃军 |
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| 作者单位： | 中船重工集团第七二二研究所,湖北武汉 |
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| 摘 要： | 讨论了常用测井推靠类探头井径测量时误差产生的原因，从理论上对比较典型的探头——液压连续测斜探头及微球液压推靠器进行了分析，即从理论模型、机械传动间隙、电位计精度等方面分析了影响井径测量精度的因素，提出了设计探头推靠部分比较合理的建议。
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| 关 键 词： | 测量精度 推靠类探头 传动间隙 电位计精度 |
| 文章编号： | 1004-9134（2005）05-0039-03 |
| 收稿时间： | 2005-11-12 |
| 修稿时间： | 2005-11-12 |
Measurement precision analysis of the borehole diameter |
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| Gong Zihua,Zhou Zhiyi and Qin Jun.. Measurement precision analysis of the borehole diameter[J]. Petroleum Instruments, 2005, 19(5): 39-41 |
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| Authors: | Gong Zihua Zhou Zhiyi Qin Jun. |
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| Abstract: | This paper discusses the measurement errors of the conventional diameters,analyzes the affecting factors on the borehole diameter measuring with hydraulic probe of borehole orientation tool and the hydraulic sidewall contact device of microspherically focused tool in such aspects as the theoretical model,the potentiometer accuracy and the clearance of mechanical transforming.Finally,the paper proposes a reasonable method for the design of the caliper part of these kind of tools. |
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| Keywords: | measurement precision caliper part transforming clearance potentiometer acurucy[KH*5/8D] |
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