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SY/T 5821-2012 Water shutoff technology with organic plugging agent for carbonate reservoir (USD) via email in 1-3 business day VALID
SY/T 6449-2000 Calibration of detecting tool and evaluating method for cementing quality (USD) via email in 1-3 business day VALID
SY/T 6121-1995 (USD) via email in 1-3 business day ABOLISHED
SY/T 5755-2016 The performance evaluation method of cleanup additive for fracturing and acidizing via email in VALID please email coc@codeofchina.com for quotation
SY/T 6646-2006 Well Abandonment and Inactive Well Practices (USD) via email in 1-5 business day ABOLISHED
SY/T 6640-2005 The calibration methodology of the down hole electronic pressure gauge (USD) via email in 1-3 business day ABOLISHED
SY/T 6566-2003 Hydraulic fracturing safety technique specification (USD) via email in 1-3 business day ABOLISHED
SY/T 6378-1998 Technology method for fishing and tieback casing of oil and injection well (USD) via email in 1-3 business day ABOLISHED
Q/CNPC 8.1-2003 (USD) via email in 1-3 business day ABOLISHED
SY/T 6377-2008 The regulation of fish impression (USD) via email in 1-3 business day ABOLISHED
SY/T 5925-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
SY/T 5791-2007 The operating procedures for lifting and laying down of hydraulic workover rigs mast (USD) via email in 1-3 business day
SY/T 6846-2012 Horizontal well completion technology with stage cementing (USD) via email in 1-3 business day VALID
SY/T 5827-2013 Process of releasing and fishing (USD) via email in 1-3 business day ABOLISHED
SY/T 5182-2008 via email in please email coc@codeofchina.com for quotation
SY/T 5587.5-1993 (USD) via email in 1-3 business day ABOLISHED
SY/T 0530-1993 (USD) via email in 1-3 business day ABOLISHED
SY/T 6120-2013 Specification for blowout prevention during down-hole operations in oil well (USD) via email in 1-3 business day ABOLISHED
SY/T 5185-2008 Evaluation methods of water-based carrying fluid for gravel packing sand control via email in ABOLISHED please email coc@codeofchina.com for quotation
SY/T 5183-2000 Evaluation method for sand control effect of oil well (USD) via email in 1-3 business day ABOLISHED
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