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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 6858.1-2012 |
Nondestructive testing method for OCTG. Part 1: Magnetic flux leakage inspection for thread of washover pipe 油井管无损检测方法 第1部分:套铣管螺纹漏磁探伤 |
China Oil & Gas Industry
Standards CTG 1 |
 English PDF |
| SY/T 6857.1-2012 |
Petroleum and natural gas industries. OCTG used for special environment. Part 1: Recommended practice on selection of casing and tubing of carbon and low alloy steels for use in sour service 石油天然气工业特殊环境用油井管 第1部分:含h2s油气田环境下碳钢和低合金钢油管和套管选用推荐做法 |
China Oil & Gas Industry
Standards CTG 1 |
English PDF |
| JJG(SJ)04043-1991 |
(CTG-1 high-frequency C-V characteristics tester test procedures) |
China Metrological
Standards CTG 1 |
English PDF |
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