This document specifies the type, specification and series of geological coring drilling tools, the property of drilling tubulars and their interchangeable dimension. The drilling tool included in this document:
—wireline coring drill pipes, common drill pipes and their connection specification;
—coring tools;
—casing and casing accessory.
This document is applicable to the geological core drilling with borehole depth of less than 3 000 m. The standard includes diamond drilling with conventional coring drilling technology and wireline coring drilling technology. It also includes diamond coring drill bit, PDC coring drill bit and tungstencarbide coring drill bit. This document can be a reference to and also can be adopted by the geological foundation drilling and small diameter engineering drilling industry.

定价： 1356元 / 折扣价： 1153 元 加购物车

本标准规定了地质岩心钻探钻具类别、规格和符号、管材性能和互换性尺寸等内容。包括：
——绳索取心钻杆和普通钻杆及其连接件；
——取心钻具；
——套管及其附件。
本标准适用于钻孔深度3 000 m以内的地质岩心钻探，包括采用提钻取心和绳索取心钻进工艺的金刚石钻进、复合片钻进及硬质合金钻进。工程地质钻探、小口径工程施工钻进可参照采用。

定价： 92元 / 折扣价： 79 元 加购物车

定价： 76元 / 折扣价： 65 元 加购物车

定价： 38元 / 折扣价： 33 元 加购物车