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 B 范围内的互换性：钻杆和接头、钓鱼竿和接头；套管、套管驱动鞋、套管鞋钻头、套管钻头和沉积管；取芯筒、取芯钻头、取芯器和扩孔壳。 规定了一系列用于钻孔直径为 36 毫米至 146 毫米并产生直径为 22 毫米至 120 毫米岩芯的设备的特性。 [外文原描述]： Establishes the nomenclature and lays down the leading dimensions to ensure interchangeability within the limits of system B of the following equipment: drill rods and couplings, fishing rods and couplings; casing tubes, casing drive shoes, casing shoe bits, casing bits and sediment tubes; core barrels, core bits, core lifters and reaming shells. Specifies the characteristics of a range of equipment for drilling holes having diameters from 36 mm to 146 mm and yielding cores from 22 mm to 120 mm in diameter.
英文名称Rotary core diamond drilling equipment — System B — Part 1: Metric units