Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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SY/T 5274-2000 Resin-coated sand 90.0 via email in 1~3 business day abolished
SY/T 6570-2003 Regulations drafted for the lift technology design of oil-wells 390.0 via email in 1~3 business day superseded
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 5405-1996 Test method and evaluation indicators for performance of corrosion inhibitors used for acidification 300.0 via email in 1~3 business day valid
SY/T 5339-2000 Recommended practice for sand control technology of artificial borehole 300.0 via email in 1~5 business day abolished
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process strings and tools for hydrocarbon production well and water injection well 420.0 via email in 1~3 business day superseded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 5107-2005 Recommended practices on measuring the properties of water-based fracturing fluid 195.0 via email in 1~3 business day abolished
SY/T 6846-2012 Horizontal well completion technology with stage cementing 270.0 via email in 1~3 business day valid
SY/T 5796-1993 Assessment method for flocculant 90.0 via email in 1~3 business day valid
SY/T 6645-2006 Regulations drafted for the injection and production well of perforated completion design of the underground gas storage about the depleted sandstone reservoir 255.0 via email in 1~3 business day valid
SY/T 6904-2012 The calibration method of production well logging surface system 150.0 via email in 1~3 business day valid
SY/T 6377-2008 The regulation of fish impression 75.0 via email in 1~3 business day valid
SY/T 5587.12-2004 Codes for conventional workover job -- Part 12: Fishing 180.0 via email in 1~3 business day valid
SY/T 5797-1993 Performance assessment method for oil-in-water emulsion breaker 90.0 via email in 1~3 business day valid
SY/T 6678-2007 The calibration methodology of the electronic dynamometer 135.0 via email in 1~3 business day valid
SY/T 6644-2006 Recommended Practice for Design of Continuous Flow Gas Lift Installations Using Injection Pressure Operated Valves 975.0 via email in 1~8 business day superseded
SY/T 5755-1995 Performance evaluation method for cleanup additive for fracture and acidificaiton 90.0 via email in 1~3 business day abolished
SY/T 5862-2008 Technical criterions of polymer for oil displacement 240.0 via email in 1~3 business day valid
SY/T 6740-2008 The calibration method of caliper 150.0 via email in 1~3 business day valid
SY/T 5763-1995 Flocculant JX-II 120.0 via email in 1~3 business day valid
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