| 偏心垫块对螺杆钻具造斜能力影响的预测方法 |
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| 引用本文： | 王建军 赵业荣 等. 偏心垫块对螺杆钻具造斜能力影响的预测方法[J]. 石油机械, 1994, 22(12): 25-27 |
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| 作者姓名： | 王建军 赵业荣 等 |
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| 作者单位： | 西安石油学院，长庆石油勘探局 |
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| 摘 要： | 钻具造斜率预测是水平井井眼轨迹控制中的关键问题之一。通过理论分析，研究了加偏心垫块对羊弯螺杆钻具造料能力的影响，推导出产生的造斜率增量表达式，并对长庆油田塞平－１水平井所用１°２５′单弯螺杆钻具加偏心垫块对造斜率的影响进行了现场预测，预测结果与实钻数据一致性较好。
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| 关 键 词： | 螺杆钻县，水平钻井，造斜 |
Predicting the Effect of Eccentric Block on Slant-Building Capacity or a Screwdrill |
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| Wang Jianjun,Zhang Shaohuai,Di Qinfeng,et al.. Predicting the Effect of Eccentric Block on Slant-Building Capacity or a Screwdrill[J]. China Petroleum Machinery, 1994, 22(12): 25-27 |
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| Authors: | Wang Jianjun Zhang Shaohuai Di Qinfeng et al. |
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| Abstract: | Attaching an eccentric block under the stabilizer on a single-bend screwdrill is one of the methods for improving the rate of deviation change in horizontal hole drilling. The authors make a study of the effect of the attached eccentric block on the slant-building capability of the tool, and work out the expression for the increment of deviation change rate. A field prediction conducted shows that the actual drilling data accord quite well with the prediction. |
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| Keywords: | screwdrill horizontal drilling whipstock |
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