SY/T 6645-2019 Specifications for the design and compilation of injection and production well completion projects for oil and gas reservoir-type underground gas storages (English Version)
2019SY/T 6645-2019 Specifications for the design and compilation of injection and production well completion projects for oil and gas reservoir-type underground gas storages
2006SY/T 6645-2006 Regulations drafted for the injection and production well of perforated complection design of the underground gas storage about the depleted sandstone reservoir