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DZ/T 0227-2010Geological core drilling regulations (English PDF)

地质岩心钻探规程清晰版

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Issued by

Ministry of Land and Resources

Level / Type

National · Recommended

Issue date

November 11, 2010

Implementation date

December 31, 2010

Scope

DZ/T 0227-2010 is the English-translated version of 地质岩心钻探规程清晰版.

DZ/T 0227-2010 — This regulation specifies the technical requirements and relevant management regulations for all processes in the drilling construction process.

The definition of "core" in this regulation is broad and refers to the various types of rock samples that can be collected, that is, in addition to the cylindrical core, including each Rock blocks, rock samples and cuttings, so various reverse circulation continuous cores are also included in the core drilling range.

This procedure is mainly applicable to geological core drilling, engineering survey, engineering construction, hydrological well drilling and small bore drilling of oil and gas well drilling.

For construction, please refer to this regulation. This procedure is applicable to drilling construction with a hole depth of less than 3000m.

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Document preview — DZ/T 0227-2010

National Standard of the People's Republic of China

ICS: 7.06
Classification: D 10

Issued by: Ministry of Land and Resources

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the technical requirements for the drilling process and the construction process all relevant regulations. The standard definition of "core" in a broad sense, refers to the various types can be collected rock samples, that is, except the cylindrical core, but also includes a variety of rock, rock samples and cuttings, so all kinds of reverse circulation continuous Coring is also included in the scope of core drilling. This standard applies to the geological core drilling, construction engineering survey of small diameter drilling, construction, hydrology and water well drilling and oil and gas well drilling, you can refer to this standard. This standard applies to deep hole drilling construction within 3000m.

Document data

International classification (ICS): 7.06.

Chinese classification (CCS): D10.

Estimated length of the Chinese original: 68,636 words.

Standards quoted by this document

GB/T 1.1; GB/T 3787; GB/T 5005; GB 6722; GB/T 9151; GB 15848; GB/T 16950; GB/T 16951; GB/T 18376.2; GB 50194; AQ 2004; DZ/T 0032-1992; DZ/T 0053; DZ/T 0054; DZ/T 0078; DZ/T 0088

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 45 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 16951

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