仿生异型齿钻头在干热岩钻探中的应用

doi:10.13278/j.cnki.jjuese.20170221

吉林大学学报(地球科学版) ›› 2018, Vol. 48 ›› Issue (6): 1804-1809.doi: 10.13278/j.cnki.jjuese.20170221

• 地质工程与环境工程 • 上一篇

仿生异型齿钻头在干热岩钻探中的应用

高科¹, 高红通¹, 谭现锋², 赵长亮², 李梦³

1. 吉林大学建设工程学院, 长春 130026;
2. 山东省鲁南地质工程勘察院, 山东济宁 272100;
3. 中国地质调查局水文地质环境地质调查中心, 河北保定 071028

收稿日期:2017-09-04 发布日期:2018-11-26
作者简介:高科(1977-),男,副教授,博士,主要从事超硬材料及地质、石油钻头方面的研究工作,E-mail:gaokenm@jlu.edu.cn
基金资助:
中国地质调查局项目（12120114055001）；吉林大学优青培养计划（精英阶段）（20152016）；吉林大学高层次创新团队项目（201702）

Application of Bionic Abnormal Shape Bit in Dry Rock Drilling

Gao Ke¹, Gao Hongtong¹, Tan Xianfeng², Zhao Changliang², Li Meng³

1. College of Construction Engineering, Jilin University, Changchun 130026, China;
2. Shandong Province Lunan Geological Engineering Investigation Institute, Jining 272100, Shandong, China;
3. Hydrogeology and Environmental Geology Investigation Center, China Geological Survey, Baoding 071028, Hebei, China

Received:2017-09-04 Published:2018-11-26
Supported by:
Supportd by Program of China Geological Survey (12120114055001),Jilin University Excellent Youth Training Program (Elite Stage)(2015-2016) and Program of Jilin University Science and Technology Innovative Research Team (201702)

摘要/Abstract

摘要： 干热岩具有硬度大、研磨性弱、可钻性差和钻进难度大等特点，常规孕镶金刚石钻头钻进时打滑严重、寿命短。针对此技术难题，根据干热岩岩性和设计的井身结构特点，引入仿生高效耐磨技术，以穿山甲爪趾为仿生原型，结合孕镶金刚石钻头的结构和制备工艺方法，研制了与该类地层相对应的仿生异型齿钻头。在青海共和县干热岩现场的钻进试验结果表明：仿生异型齿钻头未出现打滑现象，相比于打滑不严重的常规软胎体孕镶金刚石钻头，仿生异型齿钻头的钻进速度提高97.5%，寿命（仿生钻头寿命为推算寿命）提高1.268倍。进一步证明了仿生异型齿钻头在坚硬打滑的干热岩地层中钻进能够提高效率、缩短钻井周期、节约钻井成本。

关键词: 仿生异型齿钻头, 穿山甲爪趾, 干热岩, 青海共和县

Abstract: Hot dry rock has the characteristics of high hardness, poor abrasiveness, poor drill-ability, difficult drilling and so on; in drilling, a conventional impregnated diamond bit is easy to slip or quickly wear out. Aiming at these technical problems, we developed a bionic abnormal shape bit to improve its wear-resistance, and the bit was made with referring to a pangolin claw toe as a bionic prototype and combining with the structure and manufacturing techniques of impregnated diamond bit. In field drilling tests of the hot dry rocks in Gonghe County of Qinghai Province, no slip occurred with the bionic abnormal shape bit. Compared to the conventional impregnated diamond bit, the drilling speed of the bionic abnormal shape bit increased by 97.5%, and the life span (bionic drill life is calculated life) increased by 1.268 times. It is proved that the bionic abnormal shape bit can improve drilling efficiency, shorten drilling cycle and save drilling cost in a hard and slippery hot dry rock formation.

Key words: bionic abnormal shape bit, pangolin claw, hot dry rock, Gonghe County, Qinghai Province

中图分类号:

TE921

高科, 高红通, 谭现锋, 赵长亮, 李梦. 仿生异型齿钻头在干热岩钻探中的应用[J]. 吉林大学学报(地球科学版), 2018, 48(6): 1804-1809.

Gao Ke, Gao Hongtong, Tan Xianfeng, Zhao Changliang, Li Meng. Application of Bionic Abnormal Shape Bit in Dry Rock Drilling[J]. Journal of Jilin University(Earth Science Edition), 2018, 48(6): 1804-1809.

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仿生异型齿钻头在干热岩钻探中的应用

Application of Bionic Abnormal Shape Bit in Dry Rock Drilling

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