Treatment of Bit Burning in ZK6004 of Yaozhan Mining Area of Shanxi

Home > Archive>Volume 42, Issue 5, 2015 >22-25，30

Treatment of Bit Burning in ZK6004 of Yaozhan Mining Area of Shanxi
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                        YU Zhi-jianYU Zhi-jian
The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
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GENG YinGENG Yin
The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
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LI MingLI Ming
The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
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YU Bao-guoYU Bao-guo
The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
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BU FanBU Fan
The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
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Affiliation:The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development,The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development,The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development,The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development,The Fourth Geological Team of Hebei Provincial Bureau of Geological Exploration and Mineral Development
Clc Number:P634.8
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Abstract:

The designed depth of ZK6004 was 1450m in Yaozhan mining area of Shanxi with complex formation and hole leakage, the bit burning occurred easily because of this situation. The paper introduces the treatment experience of 2 bit burning accidents in this hole with the analysis on the causes. According to the different conditions, new methods of hole cutting and impacting were adopted. At the same time, the paper also summarizes the experience of pre-washing and the preventive measures for bit burning in deep hole with circulation loss, which can be reference to deep inclined borehole construction in leakage formation.

Key words:leakage formation; deep hole; treatment of bit burning; hole cutting; impacting; Yaozhan mining area of Shanxi

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Received:October 14,2014
Revised:January 13,2015
Adopted:April 17,2015
Online: June 01,2015
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