This standard specifies the classification of drilling coring tools (conventional coring, special coring) and the basic procedures, contents and requirements for coring operations. This standard applies to oil and natural gas drilling coring tool coring operations. Other drilling cores with the same conditions can also be used as a reference.
SY/T 5347-2005 history
2016SY/T 5347-2016 Code of practice for drilling coring operation
2005SY/T 5347-2005 Specification of drilling coring operation