SY/T 6914-2012
煤层气钻机
CBM drilling rig
2012-08-23
DZ/T 0250-2010
煤层气钻井作业规范
Specifications for coalbed methane drilling engineering
2011-01-13
GB/T 40547-2021
煤层气钻完井设计指南
Design guidelines for coalbed methane well drilling and completion
2021-08-20
NB/T 10005-2014
煤层气钻井工程设计格式
Drilling design form for coal bed methane well
2014-03-18
DB15/T 1954-2020
煤层气钻井工程技术指南
2020-07-30
NB/T 10003-2014
煤层气钻井工程质量验收评级规范
Quality speccilicafion for eoaIbed methane drilling engineering
2014-03-18