This standard specifies the supporting types and technical requirements for drilling well control device combinations. This standard applies to oil and gas drilling well control devices.
SY/T 5964-1994 history
2019SY/T 5964-2019 Drilling well control device combination, installation, commissioning and usage specifications
2006SY/T 5964-2006 Combination installation adjustment and maintenance of well-control equipments
2003SY/T 5964-2003 Combination,installation,adjustment and maintenance of well - control equipments
1970SY/T 5964-1994 Combination installation adjustment and maintenance of well-control equipments