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。 指定了用于钻孔直径为 1.42 英寸至 5.74 英寸并产生直径为 0.87 英寸至 4.72 英寸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 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 1.42 in to 5.74 in and yielding cores from 0.87 in to 4.72 in in diameter.
英文名称Rotary core diamond drilling equipment — System B — Part 2: Inch units