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ICS 73.040 D 20 DB14 山西省地方标准 DB 14/T 2053—2020 煤层气废弃及长停井处置操作规范 CBMabandonedwellsandinactivewells disposaloperatingspecifications 2020-06-10发布2020-09-10实施 山西省市场监督管理局发布 DB14/T 2053—2020 目次 前言 ....................................................................................................................................................................II 引言 ..................................................................................................................................................................III 1范围 ................................................................................................................................................................1 2规范性引用文件 ............................................................................................................................................1 3术语和定义 ....................................................................................................................................................1 4原则 ................................................................................................................................................................2 5作业准备 ........................................................................................................................................................2 6作业程序 ........................................................................................................................................................2 7工艺和质量 ....................................................................................................................................................5 8施工与验收 ....................................................................................................................................................6 9井控和安全环保 .....................................................................................................
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