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Database: 189760 (25 Oct 2025)
SY/T 6645-2019 English PDF
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SY/T 6645-2019
: (Code for design and completion of injection and production well completion engineering of oil and gas reservoir type underground gas storage)
Status: Valid
SY/T 6645: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
SY/T 6645-2019
English
559
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5 days [Need to translate]
(Code for design and completion of injection and production well completion engineering of oil and gas reservoir type underground gas storage)
Valid
SY/T 6645-2019
SY/T 6645-2006
English
799
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4 days [Need to translate]
Regulations drafted for the injection and production well of perforated completion design of the underground gas storage about the depleted sandstone reservoir
Obsolete
SY/T 6645-2006
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Basic data
Standard ID
SY/T 6645-2019 (SY/T6645-2019)
Description (Translated English)
(Code for design and completion of injection and production well completion engineering of oil and gas reservoir type underground gas storage)
Sector / Industry
Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard
E14
Classification of International Standard
75.020
Word Count Estimation
24,236
Date of Issue
2019
Date of Implementation
2020-05-01
Issuing agency(ies)
National Energy Administration