| Geological Publishing House, Institute of Exploration Technology, Chinese Academy of Geological Sciences | Host |
| Citation: |
SHEN Xing, QI Bo, ZHAO Da-jun, WANG Zhan-she. Treatment and Analysis on Bit Burning in Deep Hole Drilling of Shaanxi Xiaoqinling Gold Mine Area[J]. DRILLING ENGINEERING, 2016, (5): 27-30. doi: 10.3969/j.issn.1672-7428.2016.05.006
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Treatment and Analysis on Bit Burning in Deep Hole Drilling of Shaanxi Xiaoqinling Gold Mine Area
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Abstract
The geological structure is very complex in Xiaoqinling area with thick crushed stratum.Different degrees of bit burning accidents often appear in the drilling construction in this area, which seriously affected the drilling efficiency and drilling cost.For bit burning accident in Q8ZK801, through the methods of reverse screwing the pipe and milling the drill-ing tools matched with processed simplified wire-line fishing tool and milling centralizer, the accidents have been success-fully resolved with good effect.This paper analyzes and summarizes the accident causes and bit burning accident handling methods in detail and discusses the prevention to provide reference to mining area drilling.-
Keywords:
- deep hole /
- bit burning /
- Xiaoqinling mining area
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SHEN Xing, QI Bo, ZHAO Da-jun, WANG Zhan-she. Treatment and Analysis on Bit Burning in Deep Hole Drilling of Shaanxi Xiaoqinling Gold Mine Area[J]. DRILLING ENGINEERING, 2016, (5): 27-30. doi: 10.3969/j.issn.1672-7428.2016.05.006
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