NB/T 10028-2016.Specifications to operation and management for coalbed methane gathering. 1范围 NB/T 10028规定了煤层气集气管线和采气管线的运行管理和维护方面的技术要求和规定。 NB/T 10028适

NB/T 10030-2016.Lab-evaluation method for drilling and completion fluid damage to CBM reservoirs. 1范围 NB/T 10030规定了煤层气储层受钻井液、完井液和其他外来液体污染后，渗透率损害的室内实验方

NB/T 10031-2016.Specifications for coalbed methane well production design with sucker rod pump. 1范围 NB/T 10031规定了煤层气井有杆泵排采设计的依据、内容、资料录取和格式。 NB/T 10031

NB/T 10025-2016.Artifical coal core making method for water-based fracturing fuid sensitivity evaluation. 1范围 NB/T 10025规定了水基压裂液敏感性评价用人工煤心的制作材料、设备、煤样采

NB/T 10026-2016.The technical regulations of cluster well drilling for coalbed methane. 1范围 NB/T 10026规定了煤层气丛式井设计原则、钻井设备选型、钻具组合原则、轨迹控制、钻井液性能以及井控、固井、完井

NB/T 10027-2016.The program compiling specifications of ground engineering for coalbed methane exploitation. 1范围 NB/T 10027规定了编制煤层气田地面工程可行性研究方案的原则、依据、

NB/T 42121-2017.Technical specifications for thermal power generating units auxiliary motor frequency converter low voltage ride through. 1范围 NB/T 421

NB/T 42089-2016.Technical standard for power conversion system of electrochemical energy storage station. 1范围 NB/T 42089规定了单机功率为100kW 以上电化学储能电站用功率变换系统

NB/T 42107-2017.High-voltage direct current circuit-breaker. 1范围 NB/T 42107适用于直流6kV及以上电力系统用高压直流断路器(以下简称直流断路器)。本标准主要针对机械式直流断路器。电力电子式及混合式直流断路器也可参照本标准。 N

NB/T 42113-2017.Small and medium power gas generating set general technical specifications. 1范围 NB/T 42113规定了往复式燃气发动机驱动的500kW以下中小功率交流工频发电机组(简称“机组”)的技术