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15、nually by API,1220 L Street,NW,Washington,DC 20005.Suggested revisions are invited and should be submitted to the Standards Department,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.iiiContentsPage1Scope.12Normative References .23Acronyms,Abbreviations,Symbols,Definitions,and Units.24Flui
16、d Flow Fundamentals and Rheological Models .94.1Flow Fundamentals and Rheological Models.94.2Viscosity.104.3Shear Stress.114.4Shear Rate.134.5Shear Stress/Shear Rate Relationship.144.6Fluid Characterization.144.7Newtonian Fluids.144.8Non-Newtonian Fluids .154.9Rheological Models.155Rheological Parameters.175.1Measurement of Rheological Parameters .175.2Rheological Models.196Prediction of Downhole Behavior of Drilling Fluids.226.1Principle.226.2Temperature Predictions of Circulating Drilling Flui