This standard specifies the specifications, technical requirements, inspection, marking, packaging, transportation and storage of downhole casing valves for oil and gas fields. This standard applies to the design, manufacture and inspection of downhole casing valves used in oil and gas fields.
SY/T 6869-2012 Referenced Document
GB/T 12361 Steel die forgings.General specification*, 2016-12-13 Update
GB/T 19830 Steel pipes for oil and gas well casing or tubing in the oil and gas industry*, 2023-11-27 Update
GB/T 9253.2 Petroleum and natural gas industries—Threading,gauging and thread inspection of casing,tubing,and line pipe threads*, 2017-11-01 Update
SY/T 6869-2012 history
2012SY/T 6869-2012 Oil and gas industry.Downhole tool used in the Downhole deployment vale