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SY/T 6644-2006 Recommended Practice for Design of Continuous Flow Gas Lift Installations Using Injection Pressure Operated Valves (USD) via email in 1-8 business day ABOLISHED
SY/T 5810-2003 Design and downhole operation of continuous gas lift (USD) via email in 1-3 business day ABOLISHED
SY/T 6675-2007 The calibration methodology of the down hole flow meter gauge (USD) via email in 1-3 business day VALID
SY/T 5587.3-2013 Code for conventional workover job—Part3:Killing well,displaced flow and induced flow (USD) via email in 1-3 business day VALID
SY/T 5587.9-2007 Codes for conventional workover job-Part 9: Procedure of wellhead for replacing opertating (USD) via email in 1-3 business day VALID
SY 5342-1988 (USD) via email in 1-3 business day ABOLISHED
SY/T 6214-2016 Gelling agent for viscous acid via email in VALID please email coc@codeofchina.com for quotation
SY/T 6565-2003 Technique requirements for CO2 injection in petroleum or water well safety (USD) via email in 1-3 business day ABOLISHED
SY 5329-1988 (USD) via email in 1-5 business day ABOLISHED
SY/T 5906-2003 The method for plotting chart on pressure-loss curve through choke of water injection well (USD) via email in 1-3 business day ABOLISHED
SY/T 6446-2000 Specification for making quality control targets for testing shaped chargs of well (USD) via email in 1-3 business day ABOLISHED
SY 5451-1992 (USD) via email in 1-3 business day ABOLISHED
SY/T 6484-2005 Recommended practice for operations maintenance and trouble-shooting of gas lift installations (USD) via email in 1-5 business day ABOLISHED
SY/T 5252-2002 Natural gamma spectrographic method of analysing for core sample (USD) via email in 1-3 business day ABOLISHED
SY/T 5274-2000 Resin-coated sand (USD) via email in 1-3 business day ABOLISHED
SY/T 5630-1993 via email in ABOLISHED please email coc@codeofchina.com for quotation
SY/T 5352-2007 Releasing drillable packers bridge plugs and setting tools (USD) via email in 1-3 business day ABOLISHED
SY/T 5587.4-2004 Codes for conventional workover job -- Part 4: Finding and sealing of casing leak for cased wells (USD) via email in 1-3 business day ABOLISHED
SY/T 5796-1993 (USD) via email in 1-3 business day VALID
SY/T 0600-2009 Prediction of scaling tendency in oil-field water (USD) via email in 1-3 business day ABOLISHED
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