China's three new standards for geological drilling equipment passed the acceptance

On August 24th, the “Research on the Standardization of Key Technologies for the Development and Standardization of Key Technologies for Land and Resources” in the Land and Resources Public Welfare Industry Project “Three Standards for the Revision of the Geological Core Drilling Tools Specification Series” passed the acceptance test.

It is understood that the subject belongs to the special research project of the land and resources public welfare industry. The main task is to carry out the revision and revision of the three standards of “Geological Core Drilling Tools”, “Geological Core Drilling Diamond Drills” and “Geological Core Drilling Diamond Reamers”. . Among them, the "Geological Core Drilling Tools" national standard has been approved for release, will be implemented on October 1 this year, the other two standards will be released as an industry standard in the near future.

According to reports, "Geological Core Drilling Tools" for the first time combines cemented carbide, composite sheet and diamond drilling tools into a series, unifying the rope core drilling diameter and diamond drilling caliber, asymmetrical trapezoidal thread and negative angle trapezoidal thread and New technologies such as ZT750 and ZT850 high-strength steel grade pipes are standardized and incorporated. They are forward-looking at the technical and application levels, which is conducive to the promotion of new technologies, new processes, new methods and new products. In the process of compiling the three standards, the international standards and foreign advanced standards were fully studied, and relevant contents were borrowed and adopted, and closely related to the research work of drilling technology in China. The standards have strong applicability and operability.

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