This standard specifies the on-site sampling methods and requirements for geological logging analysis samples of oil and gas exploration wells. This standard applies to on-site sampling of geological logging analysis samples for oil and gas exploration wells.
SY/T 6294-1997 history
2008SY/T 6294-2008 Specification of collecting the logging analytical sample in the wellsite
1997SY/T 6294-1997 Specifications of collecting analytical sample for oil & gas exploration well in the wellsite