ISO10426-1isaninternationalstandardthatspecifiesrequirementsandprovidesrecommendationsforwellcementingmaterialsusedinthepetroleumandnaturalgasindustries.Itcoverstheclassification,chemicalandphysicalproperties,testingmethods,andqualitycontrolofcementitiousmaterialsforoilandgaswellapplications.Thestandardensuresthatcementingmaterialsmeetthenecessaryperformancecriteriatoprovidezonalisolation,wellboreintegrity,andlong-termdurabilityunderdownholeconditions.Itservesasacriticalreferenceforoperators,servicecompanies,andmanufacturersinvolvedinwellconstructionandcementingoperations.
