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Method for determining the extraction volume of single-layer gas in multi-coal seam by drilling through—Seam holes:measured flow rate method
Standard in brief
Scope of Application：
本文件规定了穿层钻孔预抽多煤层瓦斯时采用实测流量法确定单层抽采量的方法原理、一般要求、测定前的准备、测定过程及测定结果的计算。
本文件适用于煤矿井下采用穿层钻孔预抽多煤层瓦斯时单层抽采量占比的考察确定。
Basic information
Standard No：NB/T 11638-2024
Standard Name：穿层钻孔预抽多煤层瓦斯单层抽采量确定方法 实测流量法
English Name：Method for determining the extraction volume of single-layer gas in multi-coal seam by drilling through—Seam holes:measured flow rate method
Standard Status：现行
Release Date：2024-09-24
Effective Date：2025-03-24
Language of Publication：中文简体
Standard Classification
ICS Number：13.100
CCS Number：D09
Related Standards
Referenced Standards：GB/T 15663.8,MT/T 642
Publication Information
Number of pages：16
Number of words：17 K
Format：大16
Edition：1
Color Pages：0
Electronic Version：Yes
Color Images：No
Print Publication Date：2025-03-01
Standard Revision Information
Has Amendment：No
Other Information
Application Dept：国家能源局
Standard Type：QT
Standard Attribute：NB
Other Standard Number：11638
Drafter：赵旭生、丁红、王振、吴教锟、陈勇、刘贤君、葛兆龙、马宏宇、张天军、刘志伟、曹家华、潘红宇、纪道荣、廉常军、张忠海、贾晓亮、邓照玉、黄光利、周密、张明明
Drafting Organization：中煤科工集团重庆研究院有限公司、黑龙江龙煤鸡西矿业有限责任公司、重庆大学、湖南省瓦斯治理和利用工程研究中心有限公司、西安科技大学
Management Organization：煤炭行业煤矿安全标准化技术委员会
Proposing Department：中国煤炭工业协会
