Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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SY 5668-1993 via email in business day valid
SY/T 5431-2008 The design method of casing program 270.0 via email in 1~3 business day superseded
SY/T 5841-1993 150.0 via email in 1~3 business day abolished
Q/CNPC 115-2006 Specification of Drilling Operating for Oil and Gas Well with Sulfide 195.0 via email in 1~3 business day valid
SY/T 5678-2003 The rules for checking and accepting completed well 270.0 via email in 1~3 business day superseded
Q/CNPC 88-2003 135.0 via email in 1~3 business day valid
SY/T 6544-2003 Property requirements for well cement slurries 270.0 via email in 1~3 business day superseded
SY/T 6615-2005 Evaluation procedure of emulsifiers for drilling fluids 135.0 via email in 1~3 business day valid
GB/T 16783-1997 Procedure for field testing water-based drilling fluids 630.0 via email in 1~8 business day abolished
SY 5339-1988 270.0 via email in 1~3 business day abolished
GB 5005-1985 90.0 via email in 1~3 business day superseded
SY/T 5426-2000 Rock drillability measurement and its classification 90.0 via email in 1~3 business day superseded
GB/T 24956-2010 Recommended practice for petroleum and natural gas industries - Drill stem design and operating limits 1800.0 via email in 1~3 business day valid
SY/T 5412-2005 Operation code for casing running 600.0 via email in 1~8 business day superseded
SY 5089-1992 1050.0 via email in 1~10 business day valid
GB/T 16783.2-2012 Petroleum and natural gas industries—Field testing of drilling fluids—Part 2:Oil-based fluids 870.0 via email in 1~3 business day valid
SY/T 5956-2004 Technical regulations of drill etring abandonment 60.0 via email in 1~3 business day valid
SY/T 5660-1995 Encapsulating agent PAC141 and fluid loss reducers PAC142/PAC143 for drilling fluids 180.0 via email in 1~3 business day valid
SY/T 5504.4-2008 Evaluation method for well cement additives—Part 4:Accelerator 105.0 via email in 1~3 business day valid
SY/T 5560-1992 Evaluation Procedure for Defoaming Agents Used in Drilling Fluids 90.0 via email in 1~3 business day valid
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