1、Gas-lift Valve Performance TestingAPI RECOMMENDED PRACTICE 11V2SECOND EDITION,MARCH 2001REAFFIRMED APRIL 2008Gas-lift Valve Performance TestingUpstream SegmentAPI RECOMMENDED PRACTICE 11V2SECOND EDITION,MARCH 2001SPECIAL NOTESAPI publications necessarily address problems of a general nature.With res
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15、ENTSPage0INTRODUCTION.11SCOPE.12DEFINITIONS AND ABBREVIATIONS.12.1Definitions.12.2Abbreviations.23TEST SITE RECOMMENDATIONS.23.1Introduction.23.2General Description.33.3Test Specimen.33.4Test Section.43.5Throttling Control Valves.43.6Pressure Surge Protection.63.7Flow Measurement .73.8Pressure Taps.
16、73.9Pressure Measurement.73.10 Temperature Taps.83.11 Temperature Measurement.83.12 Equalizing Valves.83.13 Gas Supply.83.14 Documentation.84GAS-LIFT VALVE PROBE TEST.84.1Introduction.84.2Equipment Required.104.3Probe Test Procedure.104.4Determining Valve Load Rate.114.5Determining Maximum Effective Stem Travel.114.6Documentation.115FLOW COEFFICIENT TEST PROCEDURE.135.1Introduction.135.2Test Specimen.145.3Flow Coefficient Tests.155.4Data Evaluation.165.5Use Of Cv And Xt Test Data.175.6Documentat
