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DZ 0008-1991Special joint of drilling string for hydrology water well (English PDF)

水文水井钻探用钻柱特种接头

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Issued by

Ministry of Land and Resources

Level / Type

National · Mandatory

Issue date

May 24, 1991

Implementation date

October 1, 1992

Scope

DZ 0008-1991 is the English-translated version of 水文水井钻探用钻柱特种接头.

DZ 0008-1991 — This standard specifies the hydrogeological drilling, water well drilling drillstring special connector (hereinafter referred to as the joint) of the type, size and technical conditions.

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Document preview — DZ 0008-1991

National Standard of the People's Republic of China

Classification: D 81

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the hydrogeological drilling, water well drilling drillstring special connector (hereinafter referred to as the joint) of the type, size and technical conditions. This standard applies to hydrogeological drilling, water well drilling faucet, active drill pipe, drill pipe, drill collars, drill bits and other drill string connecting member, also applies to drill and core barrel and take the powder tube connections.

Document data

Chinese classification (CCS): D81.

Estimated length of the Chinese original: 19,149 words.

Standards quoted by this document

GB 9811; GB 9809; GB 4749

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

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