1、Design,Installation,Operation,Test,and Redress of Subsurface Safety Valve SystemsAPI RECOMMENDED PRACTICE 14B SIXTH EDITION,SEPTEMBER 2015 Special NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulati
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15、s and materials is published annually 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.iii ContentsPage1Scope.12Normative References.13Terms,Definitions,Acronyms,a
16、nd Abbreviations.23.1Terms and Definitions.23.2Acronyms and Abbreviations.54Design.64.1SSSV System Equipment.64.2Control System.84.3Wellhead/Tubing Hanger Passages and Connectors.104.4Control Line Protectors .104.5SSSV.104.6Flow Couplings.124.7Lock Mandrels,Safety Valve Landing Nipples,and Sealing Devices .124.8Secondary Tools.125Installation.125.1General.125.2Control line.125.3Lock Mandrels,Safety Valve Landing Nipples,and Sealing Devices.125.4Secondary Tools.135.5Equipment Verification.136Oper
