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- SY/T 5993-1994 Gas Reservoir Engineering Information Code
- SY/T 5993-1994
-
- SY/T 5679-1993 Lignite resin SPNH for drilling fluid
- SY/T 5679-1993
-
- SY/T 5678-1993 Drilling and completion acceptance rules
- SY/T 5678-1993
-
- SY/T 5677-1993 Filter paper for drilling fluid
- SY/T 5677-1993
-
- SY/T 5661-1995 Drilling fluid viscosity enhancer 80A51
- SY/T 5661-1995
