| 煤层气掏穴井钻探施工技术 |
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| 引用本文：袁志坚.煤层气掏穴井钻探施工技术[J].钻探工程,2007,34(7):20-21,24.. Drilling Technique for Enlarging Borehole in Conlbed Methane Shaft[J]. Drilling Engineering, 2007,34(7):20-21,24. |
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| 袁志坚 |
| 河南省煤田地质局,河南郑州450052 |
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| 中文摘要:通过工程实例，介绍了煤层气掏穴井施工的目的、技术要求、设备机具、施工工艺，以及掏穴作业和技术措施。 |
| 中文关键词:煤层气 掏穴井 钻探 |
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| Drilling Technique for Enlarging Borehole in Conlbed Methane Shaft |
| YUAN Zhi-jian |
| Coalfield Geology Bureau of Henan Province, Zhengzhou Henan 450052, China |
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| Abstract:The paper detailed the technical specification, equipment, construction technology and technical measures of enlarging borehole in shaft for coalbed methane with field cases. |
| keywords:coalbed methane enlarging borehole in shaft drilling |
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