目录简介 | 1 Scope This standard specifies the internal corrosion control of gathering pipeline system and in-operation pipeline system and corrosion control effect evaluation of highly hydrogen sulphide gas field. This standard is applicable to highly hydrogen sulphide gas collection pipeline, gas field water pipeline and vessel containing natural gas whose hydrogen sulphide content is larger than or equal to 5% (volume fraction). 2 Normative References Provisions of the following documents, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest edition of the normative document referred to applies. |