1、Downhole Chemical Injection Devices and Related EquipmentAPI SPECIFICATION 19CIFIRST EDITION,JUNE 2019Special NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulations should be reviewed.Neither API no
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15、s of the publication can be ascertained from the API Standards Department,telephone(202)682-8000.A catalog of API publications and materials is published annually by API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Suggested revisions are invited and should be submitted to the Standard
16、s Department,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.iii1 Scope.12 Normative References.13 Terms,Definitions,Abbreviations,and Acronyms.33.1 Terms and Definitions.33.2 Abbreviations and Acronyms.104 Functional Specification.114.1 General.114.2 Background.114.3 Functional Characteristics.124.4 Well Parameters.134.5 Operational Parameters.134.6 Fluid Cleanliness.144.7 Compatibility with Well Equipment.144.8 Design Validation Grades.144.9 Functional Testing G
