煤层气水平井PE筛管完井作业技术规范
PE screen completion operation specifications for coalbed methane horizontal well
2020-10-23
NB/T 10261-2019
煤层气水平井举升工艺设计规范
2019-11-04
NB/T 11161-2023
煤层气L型水平井压裂设计规范
NB/T 11293-2023
煤层气L型水平井压裂设计规范
NB/T 11124-2023
煤层顶板水平井分段压裂抽采煤层气技术方案设计规范
Specification for coalbed methane extraction technical program design of staged hydraulic fracturing horizontal well in coal seam roof