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Chinese Standard: GB/T 28259-2012

Petroleum and natural gas industries—Downhole equipment—Subsurface safety valve equipment

MOD  ISO 10432:2004

全国石油钻采设备和工具标准化技术委员会(SAC/TC 96)

本标准提出了可接受的井下安全阀(SSSV)的最低要求,涉及井下安全阀的所有零部件,这些零部件的公差和间隙可影响井下安全阀的性能或互换性,也包括维修作业和与流量控制设备相关的接口,但不涉及与井下管柱的连接。
注:井下安全阀是一种应急安全装置,不是为降低产量/注入量、停产等作业目的而设计,也不可用作回流阀。

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