SY/T 6597-2004 Technical Standard of Intelligent Pigging on Steel Pipeline (Text of Document is in English) - Beijing translation compay

1 Scope
This Standard specifies the technical requirements for implementation of pipeline geometric distortion and metal-loss inspection. It specifies the construction preparation, construction procedure controlling, inspection report contents and acceptance method.
This Standard is applicable to intelligent pigging on overland steel pipeline in which the transmission medium is gas or liquid.
For the intelligent pigging on submarine steel pipeline in which the transmission medium is gas or liquid, the implementation of it may refer to this Standard.
2 Normative Reference
The following standards contain provisions which, through reference in this text, 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 to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.

SY/T 5922 Run criterion of natural gas pipeline
SY/T 6148 1995 The operation regulation of crude oil pipeline