Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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SY/T 6566-2003 Hydraulic fracturing safety technique specification 135.0 via email in 1~3 business day abolished
SY/T 0531-2012 Determination of particle size of suspended solid in oilfield injecting wate. Resistance induction method 120.0 via email in 1~3 business day valid
SY/T 6449-2000 Calibration of detecting tool and evaluating method for cementing quality 195.0 via email in 1~3 business day valid
SY/T 5625-2008 Hydrostatic packer 210.0 via email in 1~3 business day valid
SY/T 5340-2000 Gravel paching method for sand control in cased hole 860.0 via email in 1~5 business day abolished
SY/T 5745-2008 Major terms of oil & gas production engineering 1500.0 via email in 1~3 business day valid
SY/T 5733-1995 90.0 via email in 1~3 business day abolished
SY/T 5329-1994 405.0 via email in 1~5 business day abolished
SY/T 6690-2008 Specification for well control technology of downhole operation 420.0 via email in 1~5 business day superseded
SY/T 5587.4-2004 Codes for conventional workover job -- Part 4: Finding and sealing of casing leak for cased wells 135.0 via email in 1~3 business day valid
SY/T 6675-2007 The calibration methodology of the down hole flow meter gauge 135.0 via email in 1~3 business day valid
SY/T 5952-2005 Legend of downhole process strings and tools for hydrocarbon production well and water injection well 420.0 via email in 1~3 business day superseded
SY/T 6261-1996 135.0 via email in 1~3 business day abolished
SY/T 5796-1993 Assessment method for flocculant 90.0 via email in 1~3 business day valid
SY/T 5851-1993 90.0 via email in 1~3 business day abolished
SY/T 6125-2013 Technology Procedures for Gas Well Testing, Gas Producting and Performance Monitoring 300.0 via email in 1~3 business day valid
SY 5412-1991 330.0 via email in 1~5 business day superseded
SY/T 6214-1996 Evaluation method for acid densifier 120.0 via email in 1~3 business day abolished
SY 5107-1986 via email in business day superseded
SY/T 6300-1997 General specification of paraffin inhibition and removal agent for the use of oil production 450.0 via email in 1~3 business day superseded
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