| 全金属动力钻具马达部件制造材料调研分析 |
| 投稿时间：2020-01-17 修订日期：2020-03-22 点此下载全文 |
| 引用本文：梁晨帆,王瑜,彭志坚,等.全金属动力钻具马达部件制造材料调研分析[J].钻探工程,2020,47(4):94-100.LIANG Chenfan,WANG Yu,PENG Zhijian,et al. Investigation and analysis of the manufacturing process for metal-to-metal downhole drilling motor parts[J]. Drilling Engineering, 2020,47(4):94-100. |
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| 基金项目:国家重点研发计划项目“5000 米智能地质钻探技术装备研发及应用示范”课题四“小口径高效系列钻具研究”（编号：2018YFC0603404）；中央高校基本业务费优秀教师基金项目“全金属动力钻具水力部件旋转振动模型研究”（编号：292018093） |
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| 中文摘要:全金属容积式动力钻具是当前深部钻探研究的热点之一，其在井下工作受到金属摩擦、高速冲蚀、高温腐蚀、拉伸、扭转、振动等复杂工况影响，对制造材料提出了较高的要求。本文首先调研了当前井下机具马达部件定转子的常见选材成分、力学特性和加工性能；随后介绍了超深井对全金属动力钻具马达部件的要求并分析了现存难点；初步优选了定子、转子制造材料，并考虑转子部件上采用新型铜基-铁基材料复合结构；调研分析了其加工处理技术发展现状；提出了加工建议。为全金属动力钻具马达部件的设计和寿命研究提供了参考依据。 |
| 中文关键词:深部钻探 高温 井下动力钻具 全金属 金属材料 热处理 |
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| Investigation and analysis of the manufacturing process for metal-to-metal downhole drilling motor parts |
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| Abstract:The metal-to-metal volumetric power drilling tool is one of the current hotspots in high-temperature drilling research. It is subject to complex conditions such as metal friction, high-speed erosion, high-temperature corrosion, torsion, and vibration in the well, which places higher requirements on material selection and manufacturing processes. This article first investigates the common material composition, mechanical properties and processing performance of the stator and rotor of the motor in the existing downhole tools, and then analyzes the requirements and difficulties of ultra-deep well drilling for the metal-to-metal drilling motor parts. The material for the rotor and stator is selected with a new copper-iron-based composite for the rotor components. Investigation and analysis is also conducted on the existing machining process with the recommendation put forward, providing a reference basis for the design and service life research on metal-to-metal power drill motor components. |
| keywords:deep drilling high temperature downhole motor metal-to-metal metallic material heat treatment |
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