Withdrawn

SY 5247-1991Washover operating methods (English PDF)

套铣作业方法

SY 5247 | Evolution and historical versions

Std ID	Title	Status
SY 5247-1991	Washover operating methods	Obsolete

SY 5247-1991 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Energy

Level / Type

National · Mandatory

Issue date

July 18, 1991

Implementation date

November 1, 1992

Scope

SY 5247-1991 is the English-translated version of 套铣作业方法.

SY 5247-1991 is the Chinese industry standard "Washover operating methods". It was issued on July 18, 1991 by the Ministry of Energy, and took effect on November 1, 1992. It is obsolete: it has been withdrawn.

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Document preview — SY 5247-1991

National Standard of the People's Republic of China

Issued by: Ministry of Energy

Document data

1 Document data

Sector: Petroleum & Gas (industry standard).

Issuing body: Ministry of Energy.

Date of issue: 1991-07-18.

Date of implementation: 1992-11-01.

Status: obsolete, withdrawn.

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

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