4/3/2025, 10:14:09 PM 星期四
南极冰岩界面钻进过程孔斜规律研究及调控装置设计
CSTR:
作者:
作者单位:

1.吉林大学建设工程学院,吉林 长春 130026;2.自然资源部复杂条件钻采技术重点实验室,吉林 长春 130026

中图分类号:

P634

基金项目:

国家重点研发计划“南极冰下复杂地质环境多工艺钻探理论与方法”(编号:2021YFA07191)课题3“冰岩界面及冰下基岩多工艺取心钻进机理与方法”(编号:2021YFA0719103)


Research on hole inclination law during the drilling at Antarctic ice and rock interface and design of the control device
Author:
Affiliation:

1.College of Construction Engineering, Jilin University, Changchun Jilin 130026, China;2.Key Laboratory of Drilling and Exploitation Technology in Complex Conditions of Ministry of Natural Resources, Changchun Jilin 130026, China

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    摘要:

    南极冰层下基岩取心,对于研究南极冰川形成的历程和全球气候变化等方面具有重要的意义。钻遇冰层和岩层的倾斜交界面时,极易发生孔斜,影响基岩取心的质量甚至成败。本文分析了钻头在冰岩界面钻进过程中的受力状态,探究了地层倾角、钻压、转速、机械钻速、单位体积切削功等因素对钻头受力及孔斜规律的影响。最后,基于满眼防斜的原理设计了针对冰岩界面防斜的垂直入岩装置。

    Abstract:

    Cores from bedrock beneath the Antarctic ice sheet are important for studying the history of Antarctic glacier formation and global climate change. When drilling the inclined interface between ice and rock, it is very easy for hole inclination to occur, affecting the quality and even the success of bedrock coring. This paper analyses the force state of the drill bit during the drilling process at the ice and rock interface, and investigates the effects of factors such as formation inclination, drilling pressure, rotational speed, mechanical drilling speed and cutting work per unit volume on the force on the drill bit and hole inclination law. Finally, a vertical rock entry device was designed based on the principle of full-hole anti-slanting for the ice and rock interface.

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张永田,陈晨,涂桂刚,等.南极冰岩界面钻进过程孔斜规律研究及调控装置设计[J].钻探工程,2023,50(S1):98-105.
zhangyongtian, chenchen, tuguigang, et al. Research on hole inclination law during the drilling at Antarctic ice and rock interface and design of the control device[J]. Drilling Engineering, 2023,50(S1):98-105.

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  • 收稿日期:2023-06-01
  • 最后修改日期:2023-08-09
  • 录用日期:2023-08-10
  • 在线发布日期: 2023-10-21
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