标准摘要
[中文适用范围]： 建立术语并规定主要尺寸，以确保以下设备在系统 A 范围内的互换性：钻杆和接头；套管、套管接箍、套管钻头、套管鞋、驱动鞋和套管扩孔壳；取芯筒、取芯钻头、取芯器和扩孔壳。 规定了用于钻孔直径从 30 毫米到 200 毫米以及产生直径从 18.5 毫米到 165 毫米的岩心的一系列设备的特性。 [外文原描述]： Establishes the nomenclature and lays down the leading dimensions to ensure interchangeability within the limits of system A of the following equipment: drill rods and couplings; casings, casing couplings, casing bits, casing shoes, drive shoes and casing ream shells; core barrels, core bits, core lifters and reaming shells. Specifies the characteristics of a range of equipment for drilling holes having diameters from 30 mm to 200 mm and yielding cores having diameters from 18,5 mm to 165 mm.
英文名称Rotary core diamond drilling equipment — System A — Part 1: Metric units