This standard specifies the full-scale evaluation test method for critical anti-collapse pressure of casing used in oil and gas exploration and development. This standard applies to casing from the manufacturer. Casing from the oil field site can refer to this standard.
SY/T 6238.1-1996 history
2012SY/T 6128-2012 Procedure for evaluation tests of tubing and casing connection properties
1996SY/T 6238.1-1996 Oil country tubular goods full-scale test method Casing collapse test
SY/T 6238.1-1996 Oil country tubular goods full-scale test method Casing collapse test was changed to SY/T 6128-2012 Procedure for evaluation tests of tubing and casing connection properties.