| 井下动力钻具串联组合及串联机理分析 |
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| 引用本文： | 苏义脑,张润香.井下动力钻具串联组合及串联机理分析[J].石油机械,1994,22(5):24-28,59. |
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| 作者姓名： | 苏义脑 张润香 |
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| 作者单位： | 石油勘探开发科学研究院 |
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| 摘 要： | 分析了以两根螺杆钻具串联而成的组合钻具的工作特性及转矩、压降、排量、轴向力等问题。讨论了涡轮－螺杆串联组合钻具的工作特性和匹配问题，并将涡轮钻具、螺杆钻具和涡抢－螺杆串联组合钻具的特性进行了对比，指出在井下动力钻具尚以螺杆钻具为主的我国，不宜发展串联组合钻具。
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| 关 键 词： | 螺杆钻具，涡轮钻具，串联 |
Discussion on Series Combination or Downhole Drill Motors |
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| Su Yinao,Zhang Runxiang.Discussion on Series Combination or Downhole Drill Motors[J].China Petroleum Machinery,1994,22(5):24-28,59. |
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| Authors: | Su Yinao Zhang Runxiang |
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| Affiliation: | Su Yinao;Zhang Runxiang |
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| Abstract: | The authors analyze the operational performance, torsion, pressure drop, displacement and axial force of a compound downhole drill comprised of two serially connected screwdrills, discuss the operational performance of a serially connected turbodrill and serewdrill and their matching requirements, compare the characteristics of turbodrill, screwdrill and turbo-screw compound drill, and point out it is inadvisable to develop the compound drill in China where screwdrills are still successfully used. |
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| Keywords: | screwdrill turbodrill series connection |
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