This standard specifies the quality evaluation methods for oil well pipe products. This standard is applicable to the evaluation of the quality of oil well pipe products such as general-purpose tubing, casing, drill pipe, integrally weighted drill pipe, drill collars, drilling tool stabilizers, drill pipe joints and adapter joints.
SY/T 5539-2000 history
2013SY/T 5539-2013 Quality assessment method for oil country tubular goods
2000SY/T 5539-2000 Assessment procedure for OCTG quality
1993SY/T 5539-1992 Quality evaluation method for petroleum special pipe products