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cock kelly

cock kelly, Total:4 items.

In the international standard classification, cock kelly involves: Equipment for petroleum and natural gas industries.

YU-JUS, cock kelly

• JUS M.J2.102-1989 Rotary drilling eguipment. Upper and lower kelly cocks

Professional Standard - Petroleum, cock kelly

• SY/T 5525-2009 The upper and lower kelly cock of the rotary equipment on drilling industry
• SY/T 5525-1992 Rotary Drilling Equipment Upper and Lower Kelly Plug Valves

国家能源局, cock kelly

• SY/T 5525-2020 Oil and gas drilling equipment rotary drilling equipment upper and lower kelly plug valves

Others:   cock kelly.