GB/T 16950-2014 in English

《GB/T 16950-2014地质岩心钻探钻具》由TC93（全国自然资源与国土空间规划标准化技术委员会）归口，主管部门为自然资源部(国土)。
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3000m 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。

Scope

This standard specifies the categories, specifications and symbols of drilling tools for geological core drilling, pipe performance and interchangeable dimensions, etc. Including:--wireline core drill pipe and ordinary drill pipe and their connectors;--core drilling tools;--casing and its accessories. This standard applies to geological core drilling with a drilling depth of less than 3 000 m, including diamond drilling, composite sheet drilling and cemented carbide drilling using core extraction and wireline core drilling techniques. Engineering geological drilling and small-diameter engineering construction drilling can be used as a reference.