NB/T 11470-2023 English Version, NB/T 11470-2023 Technical specification for high level directional long drilling in roof for gas extraction in coal mining face (English Version)

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NB/T 11470-2023 Technical specification for high level directional long drilling in roof for gas extraction in coal mining face (English Version)
Standard No.:	NB/T 11470-2023	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	6000 words	Translation Price(USD):	180.0 remind me the price change Email:
Implemented on:	2024-6-28	Delivery:	via email in 1~3 business day

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Standard No.:	NB/T 11470-2023
English Name:	Technical specification for high level directional long drilling in roof for gas extraction in coal mining face
Chinese Name:	采煤工作面瓦斯抽采顶板高位定向长钻孔技术规范
Chinese Classification:	D09 Hygiene, safety and labor protection
Professional Classification:	NB Professional Standard - Energy
Source Content Issued by:	Nation Energy Administration
Issued on:	2023-12-28
Implemented on:	2024-6-28
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

Standard

NB/T 11470-2023 Technical specification for high level directional long drilling in roof for gas extraction in coal mining face (English Version)
Standard No.	NB/T 11470-2023
Status	valid
Language	English
File Format	PDF
Word Count	6000 words
Price(USD)	180.0
Implemented on	2024-6-28
Delivery	via email in 1~3 business day

Detail of NB/T 11470-2023

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Introduction of NB/T 11470-2023

本文件规定了煤层顶板高位定向长钻孔瓦斯抽采技术的术语和定义、钻孔轨迹与结构、钻孔设计要求、成孔技术、大曲率定向钻进主动防塌工艺、复杂顶板局部孔段扩孔堵工艺、长钻孔筛管完孔工艺和安全技术措施。
本文件适用于采煤工作面瓦斯抽采顶板高位定向长钻孔施工相关作业。

Contents of NB/T 11470-2023

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Keywords:
NB/T 11470-2023, NB 11470-2023, NBT 11470-2023, NB/T11470-2023, NB/T 11470, NB/T11470, NB11470-2023, NB 11470, NB11470, NBT11470-2023, NBT 11470, NBT11470